Your House Is Too Cool This Summer? Learn How to Fix It

Is it possible for your home to be too cool this summer? On an Indiana afternoon in July, excessive coolness sounds more like a blessing than a drawback. However, overcooling a house and keeping it that way during hot summer weather may not be the best thing for your air conditioning system or your household budget. Here are some downsides of keeping too cool in hot weather, along with options for more affordable solutions.

Higher Costs

Air conditioner efficiency is usually maximized when maintaining an indoor temperature around 78 degrees. Pushing the thermostat much lower and keeping it there for extended periods in hot weather reduces AC efficiency and increases energy consumption, boosting monthly operating costs. To augment indoor cooling without excessively low thermostat settings, consider using high-efficiency ceiling fans to circulate air.

Increased Heat Infiltration

Per the laws of thermodynamics, the cooler an indoor environment is, the more outdoor heat energy infiltrates through structural gaps and cracks, as well as radiating through the roof and walls. Your AC runs longer and harder to compensate and sustain comfort. Keeping indoor temperatures around 78 degrees moderates heat gain and provides an affordable balance between cool comfort and optimum cost control. You can reduce heat infiltration more by air-sealing the house and bringing attic insulation up to current standards.

More Wear and Tear

Air conditioners cycling normally typically remove enough heat to keep the indoors 20 degrees cooler than the outdoor temperature. Thermostat settings significantly below that level, however, can cause the AC to run almost nonstop. This accelerates wear and tear and can overheat the compressor, which may trigger a complete system shutdown and/or lead to total failure of this costly, critical component. Schedule annual professional preventative maintenance to reduce system wear and tear and ensure your air conditioner meets cooling-performance specifications all summer long.

Ask the pros at Paitson Bros. about strategies to maintain efficient, effective comfort without the downsides of getting too cool. We’ve been serving Terre Haute homeowners during hot Indiana summers since 1922.

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  • Life's Journey &quo...
    By Jeff Paitson
  • About Jeff

    Jeff Paitson Jeff Paitson is a third generation business owner who continues to run the business with the same values that have been passed down from previous generations since 1922.

    Jeff’s belief is that the business belongs to Jesus Christ; therefore 10 percent of the company’s profits go toward the Maryland Community Church.

    Jeff is a Terre Haute Chamber of Commerce member and in his spare time, he enjoys photography.
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  • About Ethan


    Ethan Ethan Rayburn is a lifelong resident of Terre Haute and a 2005 graduate of Purdue University.

    An Eagle Scout, Ethan spent four years as a non-profit executive with the Boy Scouts of America before joining Paitson Bros. as a comfort advisor and later General Manager. In that role, Ethan has brought a renewed enthusiasm for customer care, integrity, value, and service to Paitson Bros. Heating & Air Conditioning.

    Ethan enjoys singing and was a member of the Purdue Varsity Glee Club. He also enjoys playing and coaching soccer, spending time with his family and two young boys, and volunteering his time and resources with his church, Terre Haute First Baptist Church, which he has attended from a very young age.
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