Residential Air Conditioning Design

Edgerton, Inc. Heating & Air Conditioning offers residential air conditioning design for homeowners and builders in Connecticut. Put our decades of experience in the HVAC industry to work for you to design a HVAC system that performs well. A cooling system’s performance and reliability all starts with a good design that’s sized properly with a distribution system that delivers the right level of conditioned air to every room.

We help you choose the right air conditioner that’s sized using precise load calculations, not general rules of thumb that can result in an oversized unit that wastes energy and fails to cool your home. We can also help you choose from a wide range of options like central heating, heat pumps, and ductless systems to fit your budget and deliver the performance you’re looking for.

The Importance of HVAC Sizing
It’s common for HVAC installers to choose a system using a general rule of thumb like the number of occupants in your home and your square footage but this can lead to a system that’s undersized or oversized.

HVAC load calculations require careful attention to detail. If a contractor uses a rule of thumb to determine which size cooling system they should install, they usually base it on the square footage of the home and calculate 400-600 square feet per ton. It’s important to realize that every house is different. Does the home have older windows? What is the light exposure? Even rotating the same home just 90 degrees can change the cooling load by about 25%.

It’s more common for us to see oversized heating and cooling systems that can actually be just as bad as something that’s too small — except even more expensive. An oversized system can lead to several problems such as:

  • Higher costs to install, operate, and maintain. The extra size doesn’t come free.
  • Shorter life expectancy because the system turns on and off frequently, a problem called short cycling.
  • Contributes to indoor humidity and condensation problems because the system won’t run long enough to dehumidify
  • Requires lower thermostat settings for comfort
  • Contributes to uneven temperatures
  • More drafts
  • Generates more noise

The right way to size an air conditioning system is with the Manual J protocol developed by the Air Conditioning Contractors of America. This load calculation determines how much cooling and heating the home needs and it’s performed by engineers using information like the home’s orientation, surface areas that lose or gain heat, insulation levels, and more.

At Edgerton, Inc. Heating & Air Conditioning, our goal is designing a cooling system that meets your needs while offering the best possible efficiency and comfort. Contact us today to learn more about our HVAC design services for new construction, HVAC replacement, and retrofit projects.

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