Monday, July 21, 2025

How Insulation Keeps Your Home Cool in the Summer

When most people think about insulation, they usually associate it with keeping warm during the colder months. While insulation in Maple Grove certainly plays a crucial role in retaining heat during winter, it is equally important for comfort and energy savings in the summer. At Lewis Insulation, we understand that a properly insulated home is essential for maintaining a comfortable indoor temperature and lowering energy costs year-round—even when temperatures soar.


Insulation Works Both Ways

Insulation serves as a barrier that reduces heat transfer. During winter, it keeps warm air trapped inside your home. Conversely, in summer, it blocks hot outside air from penetrating your living spaces. Without adequate insulation, your home absorbs heat through the roof, attic and walls, forcing your air conditioning system to work harder and driving up energy bills while causing uneven indoor temperatures.

The Importance of Attic Insulation for Summer Efficiency

The attic is a major point of heat entry into your home. When attic insulation is insufficient, heat from the roof easily transfers downward, making your air conditioner run more frequently to maintain comfort. Upgrading your attic insulation is one of the most effective ways to boost summer cooling efficiency and reduce energy expenses.

At Lewis Insulation, we suggest inspecting your attic insulation to ensure it meets modern standards. Many older homes lack enough insulation to cope with today’s extreme weather conditions. Adding more insulation or upgrading to more efficient materials like spray foam or blown-in fiberglass can greatly enhance your home’s energy performance.

Air Sealing: Insulation’s Perfect Partner

Insulation performs best when paired with thorough air sealing. Tiny cracks and gaps around windows, doors, plumbing and wiring allow warm air to enter, reducing the effectiveness of your cooling system. Sealing these leaks enables your insulation to function more efficiently and helps maintain consistent indoor temperatures.

Benefits Beyond Energy Savings

A well-insulated home offers more than just reduced energy bills. It can also lower indoor humidity, improve air quality and lessen the strain on your HVAC equipment. As a result, you stay cooler and prolong the life of your air conditioning system.

Schedule Your Summer Insulation Inspection Today

If your home feels warmer than it should or your energy bills are rising, summer is an ideal time to evaluate your insulation. Lewis Insulation is ready to help enhance your home’s comfort and efficiency with expert insulation solutions customized to your needs.

Reach out to us today to schedule a professional inspection and discover how we can help you stay cool while saving money throughout the summer months. For more information about insulation in Maple Grove or the surrounding Twin Cities area, call us today at 763-477-2612 or contact us!

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