What is air conditioning?
Air conditioning is defined as the process of treating air so as to simultaneously control its temperature, humidity, distribution and cleanliness to meet the requirements of a desired space.
Why have air conditioning?
As we all know, life in Cyprus can get rather hot in the late spring, summer and early autumn and also quite cold in the winter months. Air conditioning is a great way of obtaining a temperate environment in our homes, offices and businesses, offering a much needed respite from the weather outside. Inevitably 'comfort' is a very subjective matter. Most people (90%) are comfortable when the air temperature is between 18-22°C and the percentage saturation is between 40-65%. This is known as the comfort zone.
Why R410A?
R410A is a more efficient refrigerant as it has a higher specific heat capacity when compared to R407c or R22. This higher energy carrying capacity allows for smaller pipe sizes, longer pipe runs and reduces the volume of refrigerant within a system. This is a major factor when complying with EN378, a European standard concerning safety and environmental requirements in the design, manufacture, installation, operation, maintenance and disposal of refrigerating systems.
Inverter technology saves energy for two main reasons:1. The compressor varies its speed to match the cooling or heating load and therefore consumes only the power necessary to match the exact requirement of the room. 2. When an inverter driven air conditioner is operating at partial load, the energy efficiency of the system is significantly higher than at full load. In a typical application, partial load conditions prevail for more than 90% of operation time. A fixed speed system can only operate at 100% capacity and cannot match the annual efficiencies of an inverter system. |
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Choosing the right air conditioning.
| When it comes to selecting an air conditioning unit, you want to get the most suitable one for your home, especially since it's a purchase you make perhaps once in ten years. So, what should you look for? You should be concerned about efficiency and comfort. But how do you know which brand and model to choose? A lot of companies may offer you a cheap solution to your air conditioning needs but it is essential to check what you are getting. A cheap initial cost may result in large electricity bills, invasive noise levels and costly repairs. You need to ensure that the air conditioning you are purchasing is not cheap, but cost effective. It needs to be the correct size for the room in which it is to be placed, an undersized unit will take longer for the desired temperature to be reached and therefore cost a lot more in the long run. You should always look for the most economic equipment to ensure the lowest cost of electricity possible, not only helping your pocket but the environment to. All of these needs can be met at Aardvark Refrigeration Engineering as well as all your questions answered. One of our qualified engineers can visit your home or place of work to advise you on the best solution for you and with our vast range of air con units and experienced engineering team we will have a cooling and heating solution for you. |
Energy LabellingEnergy labelling is part of a wider European Climate Change program that targets energy efficiency as one method of reducing CO2 emissions in order to meet the targets of the Kyoto protocol. By this means the European Commission hopes that improved awareness will result in customers purchasing the most economical (ecological) answer to their needs. | |
| What?The energy label provides information on the energy consumption of the unit. Air conditioning units (with cooling capacity 12kW) are classified in seven different categories (A to G), according to their energy consumption and color coded according to the category to which they belong. The most energy efficient units will be included in the A category, indicated by a green arrow on the label – less efficient units will belong in G class, indicated by a red arrow on the label. The end user can easily compare the efficiency of equal types of units from different brands. What is mentioned on the label?Logo and name of manufacturer; name of indoor and outdoor unit. Energy efficiency class of the unit in cooling mode:
Indicated annual energy consumption: This figure indicates the approximate amount of energy consumed per year by the unit, based on a standard household model. The annual consumption is calculated by multiplying the total power input by an average of 500 hr per year IN COOLING MODE AT FULL LOAD. In order to calculate the cost of annual energy consumption, you merely multiply this figure by your electricity tariff. |
Cooling output: Cooling output is defined as the cooling capacity in kW of the appliance, operating in cooling mode at full load. It is important to choose an air conditioning unit with a rated output sufficient for your cooling/heating requirements. An oversized unit can result in frequent on/off cycling, which shortens its service life - an undersized unit will not provide adequate cooling/heating. To determine the appropriate output just ask us. Energy Efficiency Ratio (EER): This is the cooling output of the unit divided by the amount of electricity the unit requires to deliver it (total power input). In other words, the higher the EER, the greater the energy efficiency. Type: TYPE OF UNIT: it indicates if the unit is a cooling only or cooling/heating system. COOLING MODE: it indicates if the unit is air cooled or water cooled. Heating output: Heating output is defined as the heating capacity in kW of the appliance, operating in heating mode at full load. Energy efficiency class of the unit in heating mode:
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Why should I service my air conditioning units??
| We are all aware that we should have our cars serviced regularly, a small payment now for routine service, or end up paying a lot later for a major repair. The same principle applies for your air conditioning unit. If you don't service your air conditioner, you could find yourself uncomfortable and broke. An air conditioner is a very tough piece of equipment. It is engineered to withstand all sorts of abuse and keep on running. This is great in most respects, but it can lead to complacency about maintenance. Like a car, air conditioning units should be serviced regularly in order to run properly. Without regular maintenance an air con unit looses about 5% of it's original efficiency for each year of operation. This means that the 12000 BTU unit that you bought just a few years ago may be functioning like a 9000 BTU unit today! The good news is that you can recover most of that lost efficiency through regular servicing. Studies show that with regular ‘tune-ups’ a unit will maintain up to 95% of it's original efficiency. | ||
This means that the cost of having your air conditioning serviced is recovered very quickly in savings on your monthly electric bill and reduced repair costs. A properly serviced air conditioner will also do a better job of de-humidifying your home. | |||
Aardvark Refrigeration Engineering offer annual service programs that ensure that you will be reminded of the need to service the unit at the beginning of the cooling and heating seasons. If you use your air conditioning unit for cooling and heating then we recommend that you have your system serviced twice a year before you start to use the air con as to ensure that the air you are breathing is clean and your ac system is running at it’s most efficient. The service check includes disinfection of the evaporator and condensate systems ensuring you and your family, employee’s or customers are breathing ‘clean’ air. Filter cleaning, Cleaning of the condensing unit coils, checking the amp draw of the compressor, oiling the fan motors, checking that belts are well adjusted (where fitted), and checking the system operating pressures and temperatures against the manufacturers specifications. |
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One of the most important items to check is the coolant level (commonly know as Freon) in the air conditioner. A system that is only 10% low on coolant will cost about 20% more to operate! All equipment, even the most reliable, needs routine maintenance. Complicated equipment like today's air conditioners benefit in many ways from regular servicing. They recover much of their lost efficiency, they are less likely to suffer a major break down, they have a longer life span, they increase your comfort, and they operate more efficiently. All of this of course SAVES YOU MONEY!!!! |
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