If this unit uses 1, watts of electrical energy, its rating is calculated to 8. Once this figure has been calculated, you can then compare it with other air conditioning systems to determine which has the highest ratio; the higher the EER rating, the more efficient the system is. In areas where heating and cooling systems are in high demand — such as offices and industrial workplaces — high EER ratings can quickly convert into large financial savings.
Not only that, the low maintenance and long-lasting qualities of such systems means that less money is spent on repairs, replacement or maintenance costs. Here at Airedale Cooling, we specialise in the supply and installation of heating and cooling systems for commercial customers throughout Bradford, Halifax and West Yorkshire.
We pride ourselves on our excellent workmanship and customer service, providing each and every customer with the ideal system for their application. Not only that, we offer competitively priced maintenance services to keep your air conditioning unit in top working order for many years to come.
Need air conditioning maintenance? Call our team on or send us a message today. This website uses cookies to enhance your browsing experience The process of compression and expansion of gases is extremely inefficient in practice.
When this law is applied to practical heating or, inversely, cooling system, the percentage of input energy that is transformed into useful work drops significantly. I am not getting your point right. Especially that it is electrical power consumption and pollution that we are talking about. Thanks for simplifying the case Issam.
That is an EER equation derived from the 1st and 2nd Law of Thermodynamics; the purpose of presenting theoretical maximum is for academic-inclined people to understand fully how EER calculation is governed by laws of thermodynamics.
Thanks for your explanation. I live in Dubai where temperatures reach 50 degrees and from my experience i found that Inverter did reduce my power consumption, as well as placing the condenser in area of less direct sun exposure andreducing the distance between it and the Air Handling unit inside the home pipes less exposed to outside heat.
I have drifted away from the topic, but i think one should pay more attention to the point that installation is very important to maintain the Efficiency. We get 50 C here in Phoenix on rare occasion. When I have customers trying to cool their homes to 24 degrees C and pushing 50 degree C outdoor temps and you consider the SEER test conditions of degrees those numbers go out the window. I think EER is a better number to go off of here because it is so dry and many people use evap coolers for all but June, July, and August when the monsoon hits.
Still I am trying to get a better understanding of the actual test conditions for EER. Save my name, email, and website in this browser for the next time I comment. One has an EER of 8. To determine the payback period on the more expensive unit, you need to know approximately how many hours per year you will be operating the air conditioner and how much a kilowatt-hour kWh costs in your area. The difference in energy consumption between the two units is watts. In our example, it'll take seven years for the higher priced unit to break even.
Humans use perspiration to stay cool, and a relative humidity of around 45 percent is just about perfect to sweat. Very humid conditions are so uncomfortable because the air becomes saturated with moisture, and all that nice, cooling sweat can't evaporate. It has no place to go.
Just think of that shiny glow as your body's personal AC -- when it isn't too humid out [source: HSW]. Sign up for our Newsletter! Mobile Newsletter banner close. Mobile Newsletter chat close.
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