How Insulation Affects Your New Air Conditioner's Performance

April 29, 2024

When homeowners think about upgrading their air conditioning system, insulation isn't always top of mind, but it plays a significant role in how effectively any air conditioner, new or old, can cool your home. Old Glory Air Conditioning and Heating explains why insulation matters just as much as the equipment itself.

How Insulation Impacts Heat Transfer

Insulation acts as a barrier that slows the transfer of heat between your home's interior and the outdoor environment. In a well-insulated home, your air conditioner has to work less to maintain a comfortable temperature, since less outdoor heat is making its way inside.

Signs Poor Insulation Is Affecting Your Comfort

If certain rooms always seem warmer than others, particularly rooms with exterior walls, attic space above, or large window areas, inadequate insulation may be contributing to the problem, regardless of how well your air conditioning system is functioning.

Why a New AC Alone Won't Fix Insulation Problems

Installing a brand new, high-efficiency air conditioner in a poorly insulated home can lead to disappointing results, since the system will still be fighting a constant battle against heat entering through under-insulated walls, attics, or windows.

Attic Insulation and Cooling Efficiency

Attics are often one of the biggest sources of heat gain in a home, particularly during Texas summers when attic temperatures can climb significantly higher than outdoor air temperature. Proper attic insulation helps reduce the amount of heat radiating down into your living spaces.

Window and Door Considerations

Beyond wall and attic insulation, gaps around windows and doors can allow conditioned air to escape while letting outdoor heat inside. Weatherstripping and proper sealing around these areas complements your insulation efforts.

The Combined Impact on Energy Bills

Homes with proper insulation and a well-functioning, appropriately sized air conditioning system tend to see more consistent, manageable energy bills compared to homes where the cooling system is constantly compensating for inadequate insulation.

Evaluating Your Home's Insulation Needs

If you're planning a new AC installation, it's worth having a broader conversation about your home's overall insulation and how it might affect the new system's ability to perform efficiently.

Our team considers your complete home environment when recommending a new air conditioning system, helping Arlington area homeowners achieve the comfort and efficiency they're looking for.

Get a Free Estimate