How a Central AC Works

How a Heat Pump Works In The Summer
How a Heat Pump Works In The Winter
It's All About Energy FAQ's

How a Central AC Works


Central Air Conditioning

Central air conditioning helps keep your home cool and reduces humidity levels. By transferring heat from air located inside your home to the outside, conditioned and cooled air is left to be re-circulated. Using electricity as its power source, the compressor inside an air conditioning unit pumps coolant, or refrigerant, back and forth to gather heat and moisture from indoors. Warm air from inside is blown over the cooling coil, which is connected to the compressor, and then pumped back into your home.

How a Heat Pump Works

In The Summer

How a Heat Pump Works In The Summer


Electric Heat Pumps

Fueled by electricity, heat pumps are used for either the heating or cooling of your home or office by transferring heat between two reservoirs. In the warmer months the heat pump acts like an air conditioner, moving heat from inside your home to the outside. During winter months, heat from outdoors is transferred to the interior of your home. Even a 32º-Fahrenheit day still produces enough heat to warm a home via a heat pump.

How a Heat Pump Works

In The Winter

How a Heat Pump Works In The Winter

FAQ's It's All About Energy

What is SEER?
Why does EDS favor higher energy standards and raising the minimum efficiency standards for residential air conditioners to 13 SEER?
Why is 13 SEER the right thing to do?
Is 13 SEER technology already available?
What is the difference in energy efficiency from 10 to 13 SEER?
Where does EDS. think the standard should be?
What does EDS stand to gain from this?



What is SEER?
SEER stands for Season Energy Efficiency Ratio. This is a rating system used by the US Government to establish the efficiency level of cooling equipment. The higher the SEER rating, the less electricity the equipment uses and the more efficient it is. SEER is determined by dividing the cooling capacity, measured in BTUh, of a continuously operating air conditioner by the electric power input, measured in WATTs, of power consumed. The current standard for equipment in the United States is that they must function at a minimum of 10 SEER. 
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Why does EDS favor higher energy standards and raising the minimum efficiency standards for residential air conditioners to 13 SEER?
At EDS, we believe that having higher energy efficiency standards is the right thing to do. It is right for the consumer, right for the environment and right for energy conservation.
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Why is 13 SEER the right thing to do?
Using higher efficiency units saves you more money on monthly electricity bills. The same higher efficiency units reduce harmful pollutants in the environment, and conserving energy is important, especially during an energy crisis.
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Is 13 SEER technology already available?
13 SEER air conditioners have been produced for several years. Every manufacturer, large and small, makes 13 SEER or higher units today.
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What is the difference in energy efficiency from 10 to 13 SEER?
The 13 SEER unit is 8% more efficient than a 12 SEER unit and 30% more efficient than a 10 SEER unit, the current minimum since 1992.
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Why does EDS believe they are looking longer term than the rest of the industry?
EDS believes that raising the minimum efficiency standard to 13 SEER is not only good for the customer, the environment and energy conservation; it is also good for our industry. We believe consumers will begin replacing older, lower efficiency air conditioning units before they break down in order to save money on their electric bills. When production volumes increase due to market demand for a higher SEER product, consumer prices for those units will come down.
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Where does EDS. think the standard should be?
We feel strongly that a 13 SEER high efficiency air conditioning standard would play a large part in reducing energy requirements and reducing high energy costs to the consumer. We have also conducted studies that show that high efficiency air conditioning reduces NOx (nitrogen oxides) emissions from power plants. NOx is one of the main contributors to ground level ozone that plagues many of our large cities in the U.S. SO2 and CO2 emissions would also be reduced.
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What does EDS stand to gain from this?
Everyone stands to gain from adopting 13 SEER as the new standard. Lower electricity bills for the consumer, less electricity consumption relieving some of the pressure on utility companies, our environment gets a break and the HVAC industry has the opportunity to better meet the needs of our customers.
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EDS is an industry leader in HVAC and Indoor Air Quality.

Through our many partnerships with leading manufacturing and engineering companies EDS is able to bring the end user the latest in technology for all of their HVAC and Indoor Air Quality needs.

We offer a complete solution for all of your Residential and Commercial HVAC needs. Starting from design all the way through to final installation, start up and continued service of your equipment.

We offer a complete line of products for all of your Indoor Air Quality needs. Please feel free to contact us to discuss your many options and a custom design built to fit your needs.

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