Solar Energy

When To Change Pool Water: How Often Should I Drain My Pool?

When summer arrives, your pool calls! Swimming is a great way to beat the heat and spend time with friends and loved ones. Have you ever stopped and thought about what’s left in the pool water after getting out? Some of the things left behind include sweat, hair, dead skin cells, fecal matter and sometimes even urine. Let’s talk about when to change your pool water!

Even with a filtration system, pools need to be drained and refilled to ensure it works. Drain your pool completely only if it’s necessary. Hire a professional to do this to make sure your pool stays in top shape.

How Often Should I Change My Pool Water?

This answer greatly varies between pools. The amount of time can range from two months to as long as five to seven years. Some of the following factors come into play:

  • Number of daily swimmers
  • Climate
  • Type of water (hard or soft)
  • Pool maintenance

The more often that you use your pool, the more you will have to change the water. When people go swimming, water comes out of the pool with them. Splashing and carrying water out on your bodies are some examples of how we take water out of the pool after swimming.

The climate makes a difference as well. For example, rain washes bacteria, dirt, algae spores and other debris into your pool. In turn, it can reduce the effects of chlorine which can throw off the water’s pH balance. On hot days, UV rays reduce the amount of chlorine. Chlorine is essential to killing reducing germs that can make swimmers sick. Algae growth becomes more frequent as well because the spores need sunlight and water to grow.

There are two types of pool water. There’s hard water that has more calcium and magnesium ions. Soft water contains few minerals in comparison. Hard water can stop the pool structure from corrosion, but the water that’s too hard can break down fixtures. Soft water makes for a cleaner pool. However, pools need calcium and soft water will take it from the concrete or tiles of an in-ground pool.

Make sure to create a routine when it comes to your pool. This includes cleaning it as well as ensuring the correct pH level. Having a filter will help maintain such levels. You can check them using a water testing kit. Unbalanced pH levels make the water too acidic which causes skin irritation. The appropriate level should be around 7.4.

When Do I Change and Drain My Pool’s Water?

Deciding when to change your pool water is important. Most in-ground pools should be drained and have the water replaced every five to seven years. How often you drain your pool depends on a couple of things:

  • Maintenance and upkeep
  • Usage
  • Environment

Drain your pool during the mild season when it’s not too hot and not too cold. Spring and autumn are ideal times of the year. This will prevent pool surfaces and filtration systems from being damaged by sun, heat or moisture. You should avoid draining the pool for cleaning as this is done underwater most of the time.

Draining your pool after heavy rain or storms will add extra pressure to the bottom of the pool. This in turn creates a water table that creates a heavy weight of excess water that damages the pool’s floor. Drainers and skimmers will do most of the work for you when it rains. However, it’s always best to clean any debris out of the pool manually because the filter will not get everything.  So there are a few occasions when you will need to drain your pool after the rain.

How Should I Drain Pool Water?

Determine whether your pool needs to be drained by speaking to a professional. Pool maintenance can be done when the pool is partially full. Hire a professional pool maintenance contractor or company to drain your pool if you determine your pool needs to be drained. Hiring a professional to drain your pool costs less than fixing a bad draining.

If you choose to take on draining your own pool, it’s best to use a submersible pump. Using the filter pump is the less appealing option because it’s expensive to replace. Drain your water into a sewer line on your property and make sure to not drain more than 12 gallons per minute. The process takes at least a couple of days. If you are not experienced, always hire a professional to drain your pool!

How Do I Keep Water in my Pool Longer?

Maintaining the appropriate level of chlorine makes all the difference. It kills bacteria and germs, controls organic debris perspiration and body oils and deters algae. Shower before hopping into the pool. Chlorine reacts to:

  • Sweat
  • Makeup
  • Sunscreen
  • Perfume
  • Lotion
  • Urine and fecal matter

All of these are things that can be found on swimmers entering the pool. This can react to chlorine and is the reason that some pools end up with a strong odour. A scent coming from the pool can be a sign that there are multiple compounds in the pool reacting with chlorine.

To maintain water quality and pool infrastructure, chlorinate the water daily. It prevents algae and microorganisms from growing. Clean the pool using suction sweepers and brushes on alternating days. Maintain a pH level between 7.2 and 7.6 to avoid irritating your skin. It’s recommended to have 1 ppm (part per million) of chlorine to kill algae or bacteria effectively.

Having an effective water filtration system recirculates water and returns it to the pool. Quickly removing filterable contaminants reduces the impact on the disinfection system.

Backwashing removes organic materials from your pool and keeps the water clean. This removes built-up contaminants from the pool by reversing the flow of water through the filter.  This sends them to waste or out through the hose connected to the pump. Backwash your pool filter before adding any chemicals to the water.

In Conclusion

Making sure that your pool is drained at the right time is as important. Knowing when to change your pool water is a key part of your pool lasting longer. It’s also makes swimming safer for you, your family and friends!

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    Via Aqua Mobile Swim (no copyright intended). All rights and credits reserved to the respective owner (s).

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    Establishment of the Center for Historical Documentation

    The project “Establishment of the Historical – Documentation Center of the City of Paphos and configuration of the surrounding area” is on track to be implemented and Z&X Mechanical Installations is proud to be part of this project.

    The contract was signed on December 14th, between the Municipality of Paphos and the contracting company N. Gavriel and Sons Ltd for the execution of the Historical Documentation Center of the City of Paphos and shaping of the surrounding area. 

    Z&X Mechanical Installations will provide the following mechanical services and systems:

    • Cooling/heating of space
    • Exhaust ventilation of the space
    • Sewage and planning services
    • Fountains in the garden
    • Irrigation system

    The project, with a total value of €9,636,362.00 plus VAT, will start immediately and the works are expected to be completed within 14 months. The project includes the maintenance – restoration and conversion of the existing listed building, the former central police station of the city into a museum and the renovation of the exterior spaces.

    With the design of the project, an attempt is made to connect the urban space, the natural elements and the history of the city. Through a walking route which starts from the north of the site with the Armenian Genocide Park and a relaxed route, with above-ground and ground-level crossings in areas with rich vegetation, the visitor reaches the urban square north of the building which includes urban equipment , sitting areas and sanitary areas. From there, the visitor can enter the museum through a modern building and, following an internal route, learn about the historical course of the city from 332 BC to the most recent years, following it through digital media and other exhibits that will be in the building. After completing the route to the building, the visitor ends up in the square again to relax, rest, reflect and perhaps continue his tour of the rest of our city.

    Speaking at the signing, the Mayor of Paphos Phaidonas Phaidonos said that the Municipality of Paphos aims to highlight the centuries-old historical heritage of Paphos in a modern and demonstrative way, while at the same time it will increase the number of visitors to the traditional center of the city.

    The Mayor of Paphos referred to the regeneration projects that have taken place in the surrounding area in recent years, such as Kennedy Square, the Commercial Traditional Centre, the regeneration of the Governor’s Office and the surrounding streets and the regeneration of the Town Hall Square. Continuing, he referred to the projects such as the restoration of the Attikon Polychorus, the Municipal Theater Markideio, the central bus station and the reconstruction of Hani Ibrahim. It was also mentioned that the project of renovating the southern area of ​​the traditional commercial center and the Anavargos district is in progress, while the project of the Ivi Maliotou park has been completed. He also added that the projects are completed with the implementation of the project from the Public Garden to the Exo Vrysi. The contract signing ceremony took place in the outdoor area of ​​the former central Police Station of the city.

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      Via Pafos Press (no copyright intended). All rights and credits reserved to the respective owner (s).

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      What Are The Benefits Of Using A Central Heating System In The Home?

      Choosing the right heating system for your property can make a world of difference for both people and pets. Modern ducted heating systems tend to be the best option overall due to being both extremely cost-effective and highly customizable. Here are the 5 main benefits central heating systems provide:

      1. Comfort & convenience

      No one likes to come home to a cold home, let alone spend time in one. Even if you have a great electric heater or air conditioner, you will still have to wait ages for them to fully warm up your living space.

      Central HVAC eliminates this problem by enabling you to set consistent temperatures throughout the day. Smart thermostats and other modern features even enable you to set specific temperatures for each room, automatically lower the temperatures while you are asleep or outside, and so on. What’s more, floor heating keeps you and your loved ones comfy in a way that other heating systems simply can’t match.

      2. It’s healthier

      Central heating systems maintain even temperatures throughout a home. This helps prevent various health issues such as asthma, hypothermia, bronchitis, strokes, and heart attacks. It also reduces condensation in your property, which reduces the risk of mold and mildew.

      3. Eco-friendliness

      Today’s central HVAC systems produce a lot less carbon dioxide and use up less energy than electric heaters and other types of heating. This is especially true of geothermal heating systems, which use the natural heat in the earth to warm up your home during the cold winter months.

      4. Saves you money

      Modern central heating systems are far more energy-efficient than their older counterparts. This provides significant savings in the form of reduced utility bills all year round (and especially during winter) and enables you to recoup part of or most of the cost of your heating system installation after only a few years.

      5. Boost to property value

      Properties that are equipped with central HVAC systems are highly sought after on the real estate market. If the heating system in your house is still under warranty and/or relatively new, your home will be far more likely to attract the right kind of buyer.

      For a full Central Heating System installation or service, leave us your contact details below and we will contact you.

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        Paphos Municpality Will Build New Student Dorms

        The municipality of Paphos is investing another €14 million for the construction of 203-room student residences and Z&X Mechanical Installations is proud to be part of this project which will be completed within less than a year from now (by 25/09/2024).

        Paphos municipality signed a contract on Friday for the construction of the new student accommodation rooms, as the mayor vowed that major changes are on the way.

        Paphos mayor Mr. Phedonas Phedonos said he is very proud that about 90 contracts have been signed in recent years that have “transformed Paphos”. The latest is the student accommodation project, which includes the municipality having paid €1.2 million for about 5,000 square meters of land. The accommodation will provide 203 rooms of 24 square meters each. The third phase of the project is centered on building tennis and basketball courts, parking spots, and green spaces, that will cover 32 plots, the mayor said. He said the accommodation should be ready within 11 months, with the works being carried out by A. N. Ioannou Construction Ltd.

        The mayor thanked the church committee for agreeing to join the plots of land on which the Cyprus University of Technology Paphos (Tepak) is located with land on which a church is located, along with the land of the student accommodation.

        Mr. Phedonas also explained that the state has provided a significant amount of land for Tepak’s agricultural institute in Acheleia. He emphasized that the municipality is determined to continue upgrading the area as it works alongside private property owners, including businesses and shop owners. The mayor praised Tepak’s presence in Paphos as “increasing the critical mass of the city, [it’s] a step towards creating a new pillar in the district’s economy”. The recent projects, he said, have transformed the city’s identity and broadened its horizons.

        Other positive changes have been a significant upgrade of the tourism product and sector, the creation of new jobs, and the enrichment of society and the district’s culture. It was reported in September that classes got underway at the Paphos branch of the Cyprus University of Technology with 300 students enrolled. Mr. Phedonos hailed the modern higher education facilities, with final costs estimated at €20m, as he said the university expects a future enrolment of 1,000 students in total.

        The Tepak School of Tourism Management, Hospitality, and Entrepreneurship is joined in Paphos by a branch of the American University of Beirut.

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          Cyprus Set To Launch ‘Photovoltaics For All’

          Exciting news for all homeowners!

          “Photovoltaics for All” is a program, making it simpler and more affordable to have rooftop solar panels.

          This new program is part of the government’s efforts to help people in need. It’s aimed at giving everyone access to the benefits of solar power, without the big upfront costs.

          In a bold move to expedite the transition to green energy, the Ministry of Energy is gearing up to unveil a groundbreaking solar energy production initiative that promises to reshape the balance between conventional and green energy sources.

          Under the banner of “Photovoltaics for All,” the government’s ambitious plan seeks to lower electricity tariffs while boosting the adoption of renewable energy sources (RES).

          Notably, this project distinguishes itself from past endeavors by eliminating restrictions on the number of beneficiaries. This means that any interested individual can apply for the installation of photovoltaic panels on their roof for self-consumption without the need for an initial capital investment. Moreover, users can anticipate a 50% reduction in their electricity bills once the system is operational.

          No Bank Loans Needed

          You won’t need to get a bank loan to make this happen. The money for the project comes from the Renewable Energy Sources and Energy Conservation Fund. They will cover the cost of buying and installing the solar panels.

          How It Works

          Once the solar panels are up and running, you will start paying for them through your electricity bill from the AHK or another electricity company. This payment is about €150 every two months. But don’t worry, you will save more on your electricity bill, thanks to the solar panels.

          The Five-Step Process

          The “Photovoltaics for All” project aims to streamline the installation process, with bureaucratic procedures and system setup estimated to be completed within three months of application. Here are the five essential steps to install a photovoltaic system in your home:

          -Application (anticipated start date: January 1, 2024).
          -Installation approval.
          -Sponsorship payment (options of €1000 or €1500).
          -Photovoltaic panel installation.
          -Connection to the grid.

          Notably, recent data suggests a significant reduction in delays for RES generation connections, with the number of pending requests dropping from 1000 to below 100.

          Who Can Benefit?

          The “Photovoltaics for All” plan is designed to cater to a wide audience, particularly targeting small and medium-sized homes. Prospective beneficiaries can choose between two grant options: €1000 and €1500. Under the €1000 grant, applicants are not required to make an initial capital investment for the photovoltaic installation, and the maximum solar energy production is capped at 4.5 kW.

          Repayment will occur through installments (€150 on each electricity bill) over three years. On the other hand, the €1500 grant mandates a one-time installation payment, while there is no restriction on solar energy production.

          Funding for this initiative will come from the RES and Energy Saving Fund (RES – ex.(E)), which is bolstered by European funds dedicated to green initiatives. Additionally, resources from the emissions fund may also be utilized, creating a continuous cycle of funds flowing to consumers for green energy production and repaid in installments to the fund.

          Immediate Benefits

          The advantages of this project will become evident as soon as the photovoltaic system goes live. Those opting for the €1000 sponsorship option can expect their electricity bills to be halved. For instance, with an average consumption of €370, consumers will pay only €30 every two months for fixed charges, in addition to the €150 repayment installment for the photovoltaic system—amounting to a total of €180.

          Overall, it’s estimated that the investment in a residential photovoltaic system in Cyprus will be amortized in approximately five years, taking into account the RES and ex Fund.E sponsorship (or six years without sponsorship). It’s worth noting that the lifespan of a photovoltaic system exceeds 20 years.

          Network Modernization

          The “Photovoltaics for All” plan is poised to drive the modernization and enhancement of the electricity transmission and distribution network. Recognizing that the existing infrastructure is outdated and in need of an upgrade, the Energy Minister has initiated a redesign process aimed at transforming it into a “smart” grid, increasing electricity capacity.

          Additionally, the grid will be equipped with battery meters to facilitate energy storage, primarily for nighttime use. Consultations regarding the bolstering of the network with batteries have concluded, and installation is set to commence within the next two years. However, it’s acknowledged that the full upgrade will coincide with the launch of solar energy production under the “Photovoltaics for All” project.

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            Via Home Cy

            Via K News

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            Low-Cost Gel Harvests Drinking Water From Dry Desert Air

            More than a third of the world’s population lives in drylands, areas that experience significant water shortages. Researchers developed a low-cost gel film made of abundant materials that can pull drinkable water from the air in even the driest climates.

            The researchers developed a low-cost gel film comprised of abundant materials that can pull water from the air in even the driest climates. The materials that facilitate this reaction cost just $2 per kilogram, and a single kilogram can produce more than 6 liters (~1.6 gallons) of water per day in areas with less than 15% relative humidity and 13 liters (~3.4 gallons) in areas with up to 30% relative humidity.

            The research builds on previous breakthroughs from the research team, including the ability to pull water out of the atmosphere and the application of that technology to create self-watering soil. However, these technologies were designed for relatively high-humidity environments.

            “This new work is about practical solutions that people can use to get water in the hottest, driest places on Earth,” said Guihua Yu, professor of materials science and mechanical engineering in the Cockrell School of Engineering’s Walker Department of Mechanical Engineering. “This could allow millions of people without consistent access to drinking water to have simple, water generating devices at home that they can easily operate.”

            The researchers used renewable cellulose and a common kitchen ingredient, konjac gum, as a main hydrophilic (attracted to water) skeleton. The open-pore structure of gum speeds up the moisture-capturing process. Another designed component, thermo-responsive cellulose with hydrophobic (resistant to water) interaction when heated, helps release the collected water immediately so that overall energy input to produce water is minimized.

            Other attempts at pulling water from desert air are typically energy-intensive and do not produce much. And although 6 liters does not sound like much, the researchers say that creating thicker films or absorbent beds or arrays with optimization could drastically increase the amount of water they yield.

            The reaction itself is a simple one, the researchers said, which reduces the challenges of scaling it up and achieving mass usage.

            “This is not something you need an advanced degree to use,” said Youhong “Nancy” Guo, the lead author on the paper and a former doctoral student in Yu’s lab, now a postdoctoral researcher at the Massachusetts Institute of Technology. “It’s straightforward enough that anyone can make it at home if they have the materials.”

            The film is flexible and can be molded into a variety of shapes and sizes, depending on the need of the user. Making the film requires only the gel precursor, which includes all the relevant ingredients poured into a mold.

            Source: Scitech Daily

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              Mechanical Engineering Cyprus

              Air to Water Heat Pump (commercial use)

              Q-ton Air To Water

              Q-ton delivers outstanding performance and environmental benefits to a varied number of applications and is exceptionally energy efficient, resulting in big reductions to both power and carbon emissions.

              Q-ton uses the safe and highly efficient CO2 as a refrigerant, which is environmentally friendly as it is a natural gas and does not contain harmful ecological impacts compared to other products using standard refrigerants. Furthermore, the Q-ton provides a constant hot water supply from 60°C to 90°C and maintains full capacity at a low ambient temperature, therefore having the additional benefit of no requirement for a external heating source resulting in reduced installation time and costs.

              The Q-ton Story

              Q-ton Benefits

              Application Example

              How Q-ton Works

              Space Heating

               

              Via Mhi-Mth

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                Mechanical installations Cyprus

                7 Affordable, Stylish Gunite Pool Features to Consider

                Are you planning a gunite swimming pool and want beauty and functionality—without busting your project budget? The good news is that an affordable gunite pool can have style and personality too. While the sky’s the limit on how much you can spend customizing a gunite design, no one has to. A number of features are not only attractive and functional, but reasonably priced. As you research inground pool prices, here are seven features to consider. Every one of them will add visual intrigue and pleasing aesthetics to any aquatic resort. The final cost of each will depend on the size, style, quantity, and local pricing in your local market.

                1. Multicolor LED Lighting

                One low-cost, “brilliant” idea for enhancing your pool’s appearance relates to how you illuminate it. In recent years, the advent of LED pool lights has been a game-changer. Using light-emitting diodes, this technology transforms any pool with an array of vibrant colors each evening. With the touch of a button, you can “paint” your pool & spa in a single color—not only white and blue, but in green, gold, pink, or purple. For even more drama, set the LEDs to rotate through a spectrum of colors. But for the ultimate in scenery and ambiance, go for an LED “light show.” Preset, themed programs such as “Gemstone,” “Tranquility,” and “Cool Cabaret” cycle in hundreds of colors that flash and dance around your pool at various speeds. As a bonus, LEDs cost less to maintain than old-school incandescent pool lights. LEDs are incredibly energy-efficient, and they will ensure many years of dazzling performance.

                2. A Bubbler—or Two or Three

                Add a dash of frothy bling to your pool water. Bubbler fountains bring motion and interest to your aquatic retreat even when it’s not in use. Entertaining poolside? Just switch on your bubbler fountains for a lovely, soothing sight. Bubblers can go into a pool’s top step. But by far, the favorite location is a tanning ledge. Accenting the shallow ledge with one, two, or three of these fountains not only looks great, it provides a visual cue to recognize the ledge’s shallow depth. Bubblers are trending more than ever when it comes to modern pool design. With a low price point, these fountains can fit into most gunite pool budgets. The playful feature is priced low enough that you can add a pair or trio of them to enjoy. Splurge a little, and you can add LEDs to light them up when the sun goes down.

                3. Cascade Water Features

                For some splashy spirit, include one or more cascade water falls on your pool. These affordable fixtures emanate a small, continuous sheet of water that flows into the pool below. The plumbed fixture mounts to the pool’s “bond beam.” Bond beam is a section of pool wall that extends at least 6 inches above the pool. On the shortest bond beam—just half a foot—it’s possible to include one special kind. This particular style produces an arcing cascade. The water moves upward and out before falling onto the pool’s surface. However, the two other kinds are used far more frequently. One has a sheet that descends straight down in a sleek fashion.

                The other kind produces a sheet that arcs; it travels several inches or more outward and over the pool before hitting the surface. To accommodate one of these common versions, the bond beam must be at least one foot high. The final cascade effect will be even better if the beam is 18 to 24 inches high. When it comes to width, most cascades run 12 to 18 inches. Custom versions span several feet. Although a single cascade looks great, many pool buyers prefer two or three mounted at set intervals across the bond beam. Most cascades will produce flat, sheer sheets of water. Their smooth surface will catch the sunlight and make them virtually shine. For a different cascade look, a broken “raindrop” style is also available.

                4. Umbrella Via Sleeve

                Bring comfortable shade and a bright pop of color to your pool area. Integrating a sleeve to hold an umbrella pole is a simple, effective way to make both possible. During construction, your builder can incorporate a hidden sleeve. Later, when your pool’s complete, pop in the patio parasol of your choice. Since the sleeve is always present, it’s easy to add or remove the umbrella as you wish. You can request one or more umbrella sleeves in various spots around your pool or spa. For example, the sleeve can be inserted into the pool coping around the spa. There, an umbrella can block some of the sun’s rays while you hang out in the bubbling water. However, the hands-down favorite approach is for sleeves to go into tanning ledges. Pool owners appreciate having an umbrella on the ledge for some sun protection. An umbrella sleeve is a genuine bargain. Once the sleeve is ready, buy a patio umbrella in any price range you like. Now you have a colorful, stylish, convenient way to beat the heat for minimal cost.

                Mechanical installations Cyprus

                5. Raise the Spa

                If you are already planning a gunite spa with your new pool, take it—literally—to the next level. Building a spa even just 6 inches above the pool will draw more attention. Raise the spa 12 to 18 inches, and it transforms into a bolder focal point. This added height enhances the spa’s aesthetics. Here’s how: As spa water overflows down a foot or more to the pool surface below, the spillway creates an attractive “water-in-transit” effect. As a bonus, some spillover designs generate soft gushing sounds as they hit the pool surface. But again, these wonderful effects are not possible with a spa that’s level with the pool or raised a mere 6 inches. A spa that’s at least a foot above the pool boasts another decorative treat: The spa will reveal its upper dam wall—the barrier that separates the spa water from the pool water. This section of exposed spa dam wall becomes a backdrop for showcasing colorful pool tile, specially arranged tile patterns, or decorative stone. Elevating your spa may also elevate your backyard experience. As you relax in the hot bubbling water, the higher perch provides a better view. From the comfort of your raised spa, you will enjoy the views across your pool surface, surrounding landscape, and any distant vistas.

                6. Jets on Deck

                How about some liquid “eye candy” along with an aural ambiance that your ears will appreciate? With deck jets, you will relax watching graceful streams gently hit your pool’s surface. These moving arcs glisten in the sunshine as their spray falls onto the water below. With several on a pool, you may hear lovely sounds as well. Pool deck jets project several feet upward, and some can go taller. As the emanating arc descends, the tubular shape diffuses and spreads into small droplets. Whether they accent a chic geometric pool, classic Roman/Grecian, curvy tropical lagoon, or any other pool style or pool shape you pick, deck jets will bring extra motion and character to the setting. Best of all, deck jets can be had for surprisingly little. With an economical price point, you can introduce one or more of these playful features into your pool and deck design.

                Note: Avoid confusion between the modest deck jet and its high-cost cousin: a laminar. Equipped with its own motor, a laminar emits a highly uniform, glass-like arc. This pricier option can also be internally illuminated with LEDs.

                7. Ready-made mosaics

                If the Greeks and Romans could enjoy the beauty of mosaics, so can you! Now, handcrafted tile mosaics rank on the list of stunning, expensive pool features. It’s true, “custom” mosaics are essentially original works of art that command big price tags. However, you can achieve some of the looks of fancy mosaics—for a fraction of the cost. Many off-the-shelf mosaics are available for a gunite pool’s floor, walls, ledges, benches, and steps. These versions are easy on your wallet and come in colorful, whimsical, and sophisticated designs. The wide assortment of standard images will make choosing your pool mosaic big-time fun. Sea creatures such as fish, crabs, turtles, and dolphins are among the most popular.

                Source: Blue Haven

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                  Mechanical Installations

                  Daikin Europe Lifts Patents On R32 in VRF Systems

                  Brussels, 1 July 2022 – Daikin Europe N.V. released its ‘HFC-32 PATENT NON-ASSERTION PLEDGE’ which will provide free access for the entire market to Daikin Europe’s 30 patents related to VRF systems combined with HFC-32 (R32) refrigerant. Providing this free access will further promote the use of the non-blended, single-component HFC-32 refrigerant in VRF systems, which has a lower global warming impact than R410A, the refrigerant conventionally used in VRF systems.

                  The decision of Daikin to provide free access to its patents happens against the background of global attempts to reduce the impacts of HFCs on global warming, especially now that the Kigali Amendment to the Montreal Protocol*1 is being translated into actual country regulations. For the European Union, the European Commission is currently considering an update of the existing F-Gas Regulation, which might result in stricter requirements for the use of refrigerants. Also VRF systems will be subject to the new regulation, if it comes into effect. VRF systems heat and cool large buildings such as offices, schools, hospitals and so on. To do this, multiple indoor units are connected to a single outdoor unit, and a closed refrigerant circuit flexibly moves through the system, allowing individual temperature control throughout the rooms of a building. The HFC refrigerant conventionally used in VRF systems is R410A.

                  The F-Gas regulation will force air conditioning and heating manufacturers to choose a refrigerant with a lower GWP. HFC-32 can provide a VRF solution with such a lower GWP refrigerant. This is where free access to Daikin’s patents can accelerate the adoption of HFC-32.

                  Mechanical Installations

                  ‘Daikin comprehensively evaluates a wide variety of refrigerants and promotes the selection of the appropriate refrigerant for each application, and currently considers HFC-32 to be the most suitable refrigerant for VRF systems.’, says Martin Dieryckx, General Manager Environmental Research Center. ‘HFC-32 has many advantages that can help reduce the environmental impact of air-conditioning. HFC-32 is a non-ozone depleting refrigerant and its GWP is one-third*2 of conventional R410A refrigerant. It provides excellent system performance and is readily available. As a single-component refrigerant, it is easy to recover, recycle and reclaim, which reduces the need for additional production of virgin refrigerant.’

                  Kazuhide Mizutani, General manager of EMEA Research Center, says ‘The patents that Daikin Europe pledged not to assert include those relating to the control of compressor rotation speed and safety systems such as refrigerant leakage sensors. The Pledge will make it easier for other air conditioning and heating manufacturers to develop VRF systems using HFC-32. Furthermore, promoting the installation of safety systems in equipment reduces the burden on air-conditioning installers to inspect equipment.’

                  Daikin Industries, the mother company of Daikin Europe, has pledged the non-assertion of the patents in relation to applicable air conditioning equipment using HFC-32 from 2019 in order to contribute to the environment. Apart from Daikin Europe’s patents,  the company simultaneously pledged today the non-assertion of the new 90 patents. Daikin Group aims to make further environmental contributions worldwide. A list of the pledged patents and the specifics regarding the pledge is available here.

                   

                   

                   

                  Via Daikin Europe

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                    The Perfect Climate For A Good Night’s Sleep

                    Have you ever woken up with a dry mouth and a sore throat? Humidity levels in your bedroom are likely to have fallen below the internationally accepted threshold for a healthy indoor climate. But what exactly is the threshold? And how do you create the perfect atmosphere for a good night’s sleep?

                    Why does humidity matter?

                    Humidity is the concentration of water vapor in the air. The humidity level in your home can affect your personal health in many ways. Excessively high humidity, for example, is associated with higher concentrations of allergens, while exposure to excessively low humidity can cause health problems such as dry skin, itchy eyes and sore throat. Maintaining healthy humidity levels is important to make the bedroom a comfortable space and ensures a healthy sleep cycle for rejuvenation.

                    How can I ensure the perfect climate?

                    Humidity levels are usually measured by the relative humidity which is the ratio of water vapor in the air to the amount of vapor that can be present in the air at a given temperature. The best relative humidity for sleep has been a topic of discussion but most studies agree that the best indoor relative humidity is between 40 and 60%. If you usually wake up with a sore throat and dry eyes, the relative humidity level in your bedroom may have dropped well below the 40% threshold.

                    Ensuring a perfect indoor climate can be a challenge. In climates with extremely high humidity levels, it is a good idea to install an air conditioning system with a built-in dehumidifier . These systems automatically detect values ​​that exceed the preferred humidity level (usually starting at 60 ° C) and extract moisture from the air to achieve healthy humidity levels.

                    For extremely low humidity levels, installing an air purifier with a built-in humidifier can help achieve a healthier, more comfortable indoor climate. For example the ionizer with Daikin humidification function, injects moisture into the air when the relative humidity falls below the preferred level (usually starting at 40%) to maintain a healthy humidity level. Daikin air purifiers also minimize asthma and allergy symptoms by removing dust particles and pollen from the air, and Streamer technology keeps the air healthy and clean by eliminating allergens, eliminating bacteria and removing odors. This cleaning element separates ionizers with a humidification function from traditional humidifiers as traditional humidifiers tend to accumulate pollutants instead of eliminating them, allowing them to continue to reproduce and possibly cause disease. And what about the noise? The Daikin humidifier with built-in humidifier is extremely quiet thanks to a new innovative device and a state-of-the-art quiet operation, making it one of the quietest series of air purifiers on the European market. The perfect solution for a good night’s sleep while at the same time staying healthy, refreshed and feeling comfortable.

                     

                    Via Daikin Europe

                    Are you interested in information about our services? Leave us your contact below and we will contact you.

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