Archives for Renewable Energy

Mechanical installations Cyprus

Solar Panels For Swimming Pools

Solar Panels for Swimming Pools! Heat Your Pool with Solar Power!

Solar energy has become a popular choice for homeowners who wish to generate their own clean electricity or heat and save on their bills. Even though electricity generating solar panels are the most talked about technology, solar thermal has been around for a longer time and was the first solar energy production to be widely commercialised in the UK. Solar thermal collectors harness solar energy which can then be used for space or water heating. In fact, one of the most popular applications of solar energy is swimming pool solar heating. These systems can heat your pool all year long with clean, free energy. Here are all their benefits.

Why Use Solar Panels to Heat Swimming Pools?

First of all, pools need to be heated even in warm weather, because they lose heat via surface evaporation. There are different ways to heat pools, such as an electric or gas heaters, heat pumps, and thermodynamic panels. So why would you choose solar panels? Solar thermal systems have a short payback period and will help you save money on your bills. While electricity and gas prices are constantly increasing and make your expenses fluctuate depending on the season, solar panels produce completely free and clean energy all year long, for as long as 20 years. Solar heating systems often have automatic control systems, so you won’t need to monitor them or spend any money on maintenance.

Pros of Solar Panels for Swimming Pools

*Depending on your geographical location and sun exposure, by installing solar swimming pool heaters you could keep enjoying your pool for up to 12 months.

*They have no additional costs of pool solar heating after installation and eliminate fuel costs.

*They last up to 20 years with no need for maintenance, and they usually carry a 10-year warranty.

*They are easy to install and can be placed on your roof or on the ground.

*They are the best choice for the environment and work in different climates, not just warmer ones.

*Solar swimming pool heaters are suitable for both residential and commercial purposes.

*Even the most extreme weather conditions will not damage the collectors: they are built to withstand hurricane-level winds exceeding 241 Km/h.

*The solar collectors work even in overcast weather because the sun’s thermal energy is unaffected by clouds. Active rain may cool them down, but they quickly regain their ideal temperature. Moreover, rain helps clean the collectors and makes maintenance easier than in dry climates.

How Do Solar Panels for Swimming Pools Work?

Swimming pool solar heating systems are efficient and easy to use. There are only four components in the complete kit: a solar collector, a pump, a valve and a filter. Debris is removed from the water through the filter, then the pump leads the water to the solar collectors, which heat it by using the sun’s energy. Then, the warmed water is pumped back to the pool. A flow control valve (manual or automatic) diverts water through the collectors.

Types of Solar Panels for Swimming Pools

*Unglazed solar collectors: this is the cheapest, simplest option. Unglazed collectors are not covered by a glass layer and are made of plastic or rubber. They have the disadvantage of being less efficient in cold climates but are much more cost efficient than their competitors. They are the best choice if you are only going to use your pool in above-freezing temperatures.

*Glazed solar collectors: these panels are more expensive, mainly due to the materials they are made of (copper, aluminium and iron-tempered glass). They are more efficient in cold climates and can be used all year long, even to for domestic water heating. However, both glazed and unglazed collectors can benefit from a freeze protection if they are intended to be used in extra cold conditions.

Useful Tips

In order to maximise the efficiency of a solar pool heating system and to be as environmentally friendly as possible, there are a few things you should consider.

*Using a pool cover helps lower the evaporation and preserve the heat you generate. Pool covers are not required but are a fundamental addition to solar heating kits. Dark coatings are recommended as they capture even more heat from the sun.

*In order to maximise the panels’ efficiency, you should make sure they are properly exposed to the sun (South-facing installations are recommended) and free of any shading.

*The size of the installation should be between 30% and 60% of the pool area or more.

Via Green Match

Images: Shutterstock

Are You Ready to Invest in Solar Panels?

If you are interested in solar heating for swimming pools, you will have to go through a long search for different models and suppliers. You can skip this process by simply filling in the contact form below.


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Mechanical engineering cyprus

Daikin VRV 5 Heat Recovery

Building a sustainable legacy together

Driven by a commitment to achieve net zero CO₂ emissions by 2050, Daikin provides safe, healthy and comfortable indoor climates throughout the building life cycle​ using cutting-edge technology.​

Daikin’s VRV 5 heat recovery represents a major milestone on the path of decarbonization of commercial buildings.​

Unparalleled flexibility out of the box

Shirudo Thechnology

With Shîrudo technology, your VRV 5 system takes care of small room applications in your building without the need for any additional considerations, field supplied equipment or additional investments.​ Thanks to the factory-integrated measures, Daikin undertakes full responsibility about compliance to product standards while offering maximum flexibility, if the design is validated in Xpress and some simple installation requirements are respected.

Widest range of dedicated R-32 indoor units

Specially designed R-32 VRV indoor units offers maximum flexibility for all room configurations. A choice of capacities ranging from 1.1 kw to 31.5 kw easily covers all possible room sizes.

Mechanical engineering cyprus

How does heat recovery work?

Daikin’s innovative heat recovery systems allows simultaneous cooling and heating. This is allows individual comfort control while enabling virtually free heating by transferring heat from areas requiring cooling to areas in need of heating.​ Our innovative heat recovery systems allows simultaneous cooling and heating. This is allows individual comfort control while enabling virtually free heating by transferring heat from areas requiring cooling to areas in need of heating.

simultaneous cooling and heating

Bluevolution

Specially designed R-32 VRV indoor units offers maximum flexibility for all room configurations. A choice of capacities ranging from 1.1 kw to 31.5 kw easily covers all possible room sizes.

Via Daikin

Images: Shutterstock

Contact Us If You Have Any Questions

We are a proficient company offering a wide selection of services for all size projects in the areas of Solar Energy, Photovoltaic Systems, Geothermal Energy, Net Metering, Swimming Pools, Air Conditioning, Central Heating, all kind of Mechanical Installations. Please contact us if you have any questions!


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Winter Pool Maintenance

Winter Pool Maintenance: 7 Off Season Pool Care Pro Tips

Depending on the region you live in, ongoing pool care can be a year round requirement. Yes, the water temperatures are cold, UV ray angles are low and your pool might not have any bather load; however your pump, filter, heater and other pool equipment are functional and need to be watched.

When it’s finally the warm pool opening season, you don’t want to find out that your pool surfaces and equipment are damaged and unusable. By doing small, weekly pool care tasks, like balancing your water chemistry, you can save yourself from large, time-consuming repairs and replacements. To avoid unexpected problems when it’s time to open your pool for the summer, follow these seven off season pool care tips this winter:

1. Keep an eye on your pool

If your pool is covered, remember to periodically remove any debris above the cover and check underneath it to ensure you have no unwanted surprises down there.

In addition, the winter-induced wind or snow can put stress on your cover, so make sure that your cover, attachments, water bags and lawn anchors are securely attached so they don’t come loose.

Winter Pool Maintenance

2. Balance your water chemistry

Water chemistry balancing is not as demanding as it may seem, but it is a crucial part of protecting your pool or spa investment. If pH, alkalinity, cyanuric acid and calcium hardness are out of standard ranges for an extended period of time, it can wreak havoc on your pool equipment and surfacing.

In the winter, you should balance your pH, pool water weekly at a minimum; spa users are recommended to check their water chemistry every two to three days. In addition, use an algaecide to kill any existing algae and prevent new blooms during the winter. Your sanitizer levels can be reduced during the winter months, while still maintaining the proper water chemistry balance.

3. Check on your equipment

Even when your pool is covered and not in use, dirt, pollen and other contaminants can still enter the water. So, remember to keep an eye on the filter gauge, perform backwashing and clean your filter per the manufacturer’s recommendations. Additionally, don’t forget to check your pool pump, heater and exposed plumbing to make sure everything is functioning properly and there are no leaks.

4. Beware of freezing weather

If water is left in your equipment during the winter, the cold weather can freeze and expand the water and ruin your equipment and plumbing. So remember keep an eye on your freeze guard to ensure that your pool equipment has circulation when temperatures plummet. This can help you avoid expensive repairs from frozen equipment or plumbing.

5. Clean your pool surfaces

Maintaining clean walls, floors and other pool surfaces will prevent algae growth. Skimming, vacuuming and brushing organic debris on a weekly basis is a great off season pool care habit that will save you time dealing with a green, dirty water in the spring.

Tip: Don’t forget to brush the hard to get areas, including behind ladders, steps and corners.

6. Clear out unwanted debris

As debris builds up, remember to empty your skimmer baskets, pump baskets, floor cleaner containers and cleaner bags. This will keep your water and equipment cleaner, while also making your life easier in the spring.

7. Monitor your water level

Always make sure your pool’s water level is correctly topped off to protect your pump and keep the pool primed. The right pool water level can depend on the climate you live in. If you live in a warmer environment, that doesn’t experience freezing temperatures, your pool water should almost be filled to the top during the winter. However, if you are located in a cold environment, your pool water should be four to six inches below the skimmer in the winter months. Spending a little time each week on your off season pool care will make a big positive impact on opening your pool this spring and summer.

Via Clear Comfort

Images: Shutterstock

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SUBSITY SCHEME – THE USE OF RENEWABLE ENERGY SOURCES AND ENERGY SAVING IN HOMES

Take advantage of the subsidy for the installation of a Photovoltaic System Net Metering with a subsidy of € 250 / kW with a maximum amount of € 1000!

The implementation period is until 20/12/2021 or until the available budget is used up, whichever comes first.

The amount increases to € 750 per installed kW of photovoltaic, for the homes of vulnerable consumers, with a maximum sponsorship amount of € 3,750.

MORE DETAILS

 

The sponsorship plans implemented by the Foundation in 2020 mainly focused on encouraging citizens to use renewable energy sources and saving energy in homes and businesses. Globally, the program aims to reduce energy consumption and carbon footprint and help families in need.

Following the announcements made by the Minister of Energy, Trade and Industry Ms. Natasa Pileidou in order to address the price increases in electricity and for the purpose of more complete information of the interested parties, the Ministry of Energy, Trade and Industry and the RES Fund Management Committee Ex.E., announce that the re-announcement of the “Sponsorship Plan to encourage the use of Renewable Energy Sources and Energy Saving in homes” is planned in 2022.

The intention of the Ministry is for the new plan to be announced retroactively, in a way that ensures the smooth continuation of the existing plan of 2021, for which the submission of applications ends on 20/12/2021.

It is reminded that the plan is financed by the RES and EXE Fund and covers thermal insulation works of ceilings or installation of photovoltaic system with the method of net-metering in existing homes, as well as a combination of the above.

The announcement of the intention for re-announcement of the plan is made without prejudice to the voting of the budget of the RES and EXE Fund for the year 2022 and the existence of the available credits. 

It is understood that, during the re-announcement of the plan, there may be changes in both the provisions of the plan & procedure and the required application forms.

 

FULL SUBSIDY PLAN HERE 

Please use this form to contact us to discuss your renewable energy options for a more sustainable future.


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Enjoy Life Without Pollen

In spring and summer our gardens bloom with life. While this may seem nice, it can also cause people suffering from seasonal pollen-related asthma and allergies, such as allergic rhinitis. But what is pollen and how can you protect your family from its possible effects?

What is pollen?

Pollen, which usually appears as a fine powder, is microspores that are transferred from one plant to another, resulting in the fertilization and production of new plants. As temperatures rise, pollen production increases causing a variety of symptoms in people with pollen sensitivity including sneezing, nasal congestion, redness, itchy eyes and tearing and / or itchy nose or runny nose.

Pollen season

There are three main types of pollen that together extend the pollen season from early spring to late autumn.

  • Pollen from grass: It is the main culprit for asthma and pollen allergies associated with pollen and can affect people from March to October. Grass pollen can cause extremely strong reactions.
  • Tree Pollen: While different types of tree pollen occur at different times of the year, tree pollen is usually only a problem from February to June.
  • Weed Pollen: Weed pollen most often causes allergic rhinitis. It usually prevails in summer and early autumn.

Protect your family with Daikin air purifiers

Daikin air purifiers are the perfect way to ensure that indoor air is cleaner, healthier and cleaner, minimizing the negative effects of pollen on your health.

Daikin air purifiers:

Minimize the symptoms of asthma and allergies by removing dust and pollen particles from the air.

They protect your health by filtering out airborne bacteria and viruses, and also eliminate 99.98% of the human coronavirus HCoV-229E.

They inject moisture into the air when it is very dry, helping to keep your skin healthy.

· They control odors so that your home always smells fresh and clean.

Pollen Calendar

Contact Us If You Have Any Questions

We are a proficient company offering a wide selection of services for all size projects in the areas of Solar Energy, Photovoltaic Systems, Geothermal Energy, Net Metering, Swimming Pools, Air Conditioning, Central Heating, all kind of Mechanical Installations. Please contact us if you have any questions!


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Heat Pump

Heat Pump For Domestic Hot Water

What is a Heat Pump?

A heat pump system circulates heat from an external energy source to a compressor inside a heat pump unit. It can collect low-grade heat from renewable sources such as water, ground or air to compress and deliver heating and hot water to a property.

Advantages

 The actual set of the heat pump is controlled by a climate curve for preventing that the hot air taken from outside (over 25°C with water at 65°C, over 35°C with water at 55°C) may cause high pressure alarms.

The electrical heater integrates automatically the temperature of the tank to the desired setting when the actual setting is controlled by the weather curve.

Predisposition for integration with photovoltaic system. After enabling the photovoltaic inverter, the set temperature will increase to the maximum value (according to the climate control).

Flexibility and Benefits

Problem with Space? This is the answer. Compact efficient. Solar and 3rd party heating option connections available.

Waste heat recovery: the unit can be installed near the kitchen, in the boiler-room or the garage, basically in every room which has a largenumber of waste-heat so that it has the higher energy efficiency even with very low outside temperatures during the winter.

Hot water, cooling and dehumidification: the unit can be placed in the laundry room, in clothing room, gym or garage. When it produces howater it lowers the temperature and dehumidifies the room as well.

Compatible with solar energy: the unit can work with a second heat source as solar panels, boilers or other different energy sources (remark: the extra heat source is not provided with). The function for which the unit has been designed is only that of heat pump for DHW production. Any other side effect (ambient cooling, dehumidification, waste heat recovery) should be considered as a perk.

The performance data are therefore provided only with respect to the function of water heating.

Technical Features

  • Steel tank with double layer vitrification.
  • Anti-corrosion magnesium stick for assuring the durability of the tank.
  • Condenser wrapped externally to the boiler, free from fouling and gaswater contamination.
  • High thickness polyurethane foam (PU) thermal insulation.
  • Outer shell made of grey colour plastic material.
  • Acoustically isolated top part plastic cover.
  • Highly efficient compressor with the R134a refrigerant.
  • High and low gas pressure protections.
  • Electrical heater available in the unit as a back-up (with integrated thermo cut out with protection set at 90°C), assuring constant hot water even in extreme cold winters.
  • ON-OFF contact for starting the unit from an external switch.
  • Weekly disinfection cycle.
  • Possibility of manage hot sanitary water re-circulation or solar water integration (presence of a dedicated temperature probe, flow switch input and command for an external pump).
  • Electronic expansion valve for precise control
  • The pipeline intake/discharge of the air can be reduced from 177 to 160 mm by a reduction / diaphragm (not provided) inserted into the end of the pipeline.

Contact Us If You Have Any Questions

Please use this form to contact us  to discuss your ground source heat pump requirements or to enquire further about our market-leading heat pump services.


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Solar Thermal

How It Works

Have you ever felt warm water trickle out of a garden hose that’s been sitting in the sun? If so, then you have witnessed solar water heating in action.

Now imagine that same water moving slowly though a system specifically designed to heat and store water – that is the essence of solar thermal water heating. People have for centuries used water heated by the sun and stored it for bathing, hand washing, cleaning clothes, heating homes and much more. The solar thermal systems used today combine the most efficient techniques for capturing the sun’s heat with modern plumbing systems to produce cost-effective hot water and reduce the need for gas or electricity to heat water.

A Solar Thermal system works by harnessing the sun’s energy and converting it into heat, that is then transferred to your home or business. The solar collector utilises the sun’s rays to heat a transfer fluid which is a mixture of water and glycol, to prevent the water from freezing in the winter. There are a number of different solar thermal designs, but all are based on the same simple principle as the garden hose. Each has its pros and cons, and each is suitable for a specific application. 

Types of Systems

An important distinction among solar thermal systems is whether they are of direct or indirect design.

Indirect system

In an indirect system, also known as “closed loop,” a simple pump moves the antifreeze solution through a loop into the solar collector, through the collector’s pipes, and out of the solar collector. Then, the sun-warmed antifreeze solution flows into a heat-transfer unit where it warms the cool water heading into a conventional hot water tank. The antifreeze solution then returns to the pump and again flows into the solar collector without ever mixing with the building’s water. Indirect systems are encouraged in climates with extended periods of below-freezing temperatures. We primarily install these types of systems. We find they produce the greatest amount of energy, more consistently, with a greater service life than other types of systems.

Direct system

A direct system, also known as “open loop,” is a little simpler. There is no antifreeze solution; the water heated directly by the sun is the same water used by building occupants. A thermometer and controller sense when the solar collector is warm and ready to heat water. The controller starts a pump that moves cold water into the solar collector, where it is heated. The solar heated water is then stored in a conventional hot water tank. It is typical, especially during high use or periods of little sun for the water to be kept warm through supplemental gas or electricity. This type of system, because it circulates pure, potable water through an outdoor collector, is susceptible to freezing in many climates, unless safeguards are added.

Applications of Solar Thermal

  • Solar Thermal Under floor heating

  • Solar Thermal Heating of domestic water

  • Solar Thermal Heating of the pool

  • Combination of the above

Contact Us If You Have Any Questions

We can provide you solutions for an integrated solar thermal system and we can advice you how you can minimize your energy costs by utilizing the sun as a source of renewable energy.


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mechanical installations

Geothermal Energy

Geothermal energy is heat derived within the sub-surface of the earth. Water and/or steam carry the geothermal energy to the Earth’s surface. Depending on its characteristics, geothermal energy can be used for heating and cooling purposes or be harnessed to generate clean electricity. A geothermal energy cooling / heating system is based on using the full potential of the constant temperature and thermal conductivity of the earths substructure.

We can see this phenomenon in basement areas where during the summer the area is cool and during the winter warm without the use of air conditioning.

Geothermal energy can be broken down into two categories: open loop systems and closed loop systems.

Open loop geothermal energy for cooling / heating is the pumping of under ground water source through a heat pump (or VRV) and the return of the water after the energy transfer. This method needs a constant water supply.

mechanical installations

Closed loop Geothermal energy systems can be divide into two categories.

Horizontal closed loop Geothermal energy system is installed at least 1.5 meters below the ground with pipe spacing of at least 1.8 – 2.2  Rm per m². Output is 20 – 35W/m². This system has the disadvantage of requiring a large area to be installed.

mechanical installations

Vertical closed loop Geothermal energy system where the loop is installed in a vertical bore well (6” – 8” diameter) and 60 – 120 deep. The minimum distance between the wells is 5 meters and the output is 40-70W/meter of depth, and depending on the soil structure. This system is more popular as you need less space and have a higher output.

mechanical installations

The heat which is collected from the earth is transferred to the  system (heat pump, chiller, VRV, etc.) and the exchange is made via heat exchangers and transferred to the cooling circuit of the unit as in a normal system. Due to the fact that the temperature is constant in the earth (±18.5°C) the energy required for this  this process is much less than in a normal system where the  air temperature is 40°C in summer and 5-10°C in winter.

Geothermal  energy can be used for under floor heating, fan coils, or for VRV systems, and the savings in comparison to a normal Air to water system can be up to 50-60% depending on the application and use of system.     

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Photo Credits: Shutterstock

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net metering cyprus

Τι είναι το Net Metering και πως να επωφεληθείς – Εγκαταστάσεις Φωτοβολταϊκών με επιχορήγηση και γρήγορη απόσβεση!

Ακόμη πληρώνεις ρεύμα; 

Το Net Metering είναι η εγκατάσταση μικρού ΦΒ συστήματος ισχύος μέχρι 10 KWp σε μόνιμες κατοικίες ή επαγγελματικά υποστατικά, το οποίο πετυχαίνει εξοικονόμηση ενέργειας μέχρι και 17000 KWh ετησίως.

ΜΟΝΟ η διαφορά κατανάλωσης ηλεκτρικής ενέργειας πληρώνεται στην ΑΗΚ, συν τα ετήσια τέλη! 

Με βάση τα Σχέδια Χορηγιών Ανανεώσιμων Πηγών Ενέργειας & Εξοικονόμησης Ενέργειας, για εγκατάσταση ΦΒ Συστήματος με τη μέθοδο συμψηφισμού γίνεσε αυτόματα δικαιούχος για επιχορήγηση €250 ανά εγκατεστημένο kW με μέγιστο ποσό τα €1000 (ΚΑΤΗΓΟΡΙΑ 3Α).

Πως θα γίνει αυτό;

1. Θα επισκεφτούμε το χώρο σας και θα κάνουμε τη μελέτη για τις ανάγκες του υποστατικού σας.

2. Θα υποβάλει η εταιρεία μας αίτηση για έγκριση στην Αρχή Ηλεκτρισμού Κύπρου.

3. Μετά την έγκριση θα γίνει η εγκατάσταση του συστήματος.

4. Μετά την ολοκλήρωση της εγκατάστασης, η εταιρεία μας θα υποβάλει αίτηση για έλεγχο από την Αρχή Ηλεκτρισμού Κύπρου, όπου θα οριστεί η ημερομηνία ελέγχου.

5. Μετά την έγκριση από την επίσκεψη ελέγχου, και αφού έχει ξοφληθεί η προμήθεια και εγκατάσταση του συστήματος, η εταιρεία μας θα ετοιμάσει την αίτηση για επιχορήγηση, η οποία παραχωρείτε απευθείας στον δικαιούχο μέσω του τραπεζικού του λογαριασμού.  

Αναλόγως του συστήματος και της χρήσης ρεύματος, η απόσβεση της αρχική επένδυσης προβλέπετε σε 3-6 χρόνια, κάτι το οποίο θα είναι ξεκάθαρο όταν γίνει η ακριβής μελέτη του υποστατικού σας.

Για περισσότερες πληροφορίες ή διευθέτηση ραντεβού, μπορείτε να επικοινωνήσετε μαζί μας συμπληρώνοντας τα στοιχεία σας πιο κάτω.

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photovoltaics cyprus

Government Subsidy For Installation of Net Metering Photovoltaic Systems 2019

According to the announcement of the Ministry of Energy, Commerce of industry and tourism, with the approval of the budget for 2019, a plan of grants for installation of Net Metering Photovoltaic Systems in homes is expected.

The fund will cover the following projects:

  • Review of the plan for thermal insulation of existing houses, which is in effect from 8/10/2018, with an increase in the amount of their subsity for those who have already applied and for those who will apply.
  • Insulation of roofs of existing houses in combination with installation of Net Metering Photovoltaic Systems.
  • Installation of Net Metering Photovoltaic Systems.
  • Installation of Net Metering Photovoltaic Systems for the purpose of charging a plug-in electric or hybrid vehicle.

For more information, contact us here. 

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