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How Home Insulation Works in the Summer

How Home Insulation Works in the Summer

Did you know that home insulation helps cool your house during the summer?

Yes, insulation is more than a one season solution to your home comfort. We all recognize that insulation helps keep our homes warm in the winter. However, not many of us understand that the same principles help in the summer as well.

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Plus, with proper insulation, you won’t have to rely on pumping the A/C or sitting near a fan to feel comfortable. Your home will simply be comfortable!

To help understand the basics of home insulation, here are a few FAQs. If you have any more questions or want to understand how proper insulation can help your home, then call SolvIt today!

After all, who wouldn’t be interested in a home a project that paid for itself within a year and kept your home comfortable every season?

How does home insulation work?

Insulation in a home works almost like a thermos. It helps keep your home warm in the winter and cool in the summer.

“In the summer, attic insulation helps reduce heat gain through the ceiling to living spaces below. [Meanwhile], in the winter, it helps slow heat loss from the interior spaces.”

In simple terms: insulation blocks heat from entering the home in the summer and holds heat in during the winter, which results in a cooler home in the summer, warmer home in the winter, and lower energy bills.

It’s that simple and it really works.

For any homeowner considering adding or reviewing their insulation, then keep in mind that its cost is often paid for through energy savings in less than a year!

What causes our homes to overheat in the summer?

The home energy efficient experts at GreenHomes America explain how our homes operate in the summer.

During the summer, our homes lose much more air to the outside than most people realize. It is a continual, silent process that goes on every moment of every day all summer long.

To make matters worse, as your home loses cool air, an equal amount of hot, humid air enters your home to replace the cool air that was lost. This invisible process called air exchange is typically one of the main contributing factors for hot, sticky homes during the summer.

In addition to the large amount of air escaping from your home during the summer, most homes do not have enough insulation to slow the heat that is outside of your home from entering through ceilings, walls and floors. This high rate of heat gain causes walls, floors and ceiling surfaces to heat up causing warm, uncomfortable conditions inside of your home.

On the positive side, once the underlying reasons for the uncomfortable conditions in your home are determined, a solution can be identified that greatly improves comfort while saving energy for the occupants.

infrared imaging identifies home insulation

As a solution, GreenHomes America recommends air sealing and insulation. The air sealing keeps the air in your home, well, in your home and prevents outside air from entering.

Insulation should be increased in a variety of places, such as:

  • where there is no insulation.
  • spots with poorly installed insulation.
  • areas with thinly installed insulation.
  • exterior walls or floors over unheated spaces.

Regardless of the location in your home, insulation should always be installed to be continuous and to the proper thickness (and ALWAYS after air sealing first). INSULATE WHERE NEEDED!

Are there different types of home insulation?


Crawl Space Insulation

Builders often forgo crawl space insulation or install the incorrect type. This can cause a home to become uncomfortable, mold growth from a damp crawl space, or wood rot. Fortunately SolvIt installs rigid foam insulation which is specially made for crawl spaces to prevent the absorption of moisture or mold growth.

Roof Insulation

In some cases, insulating the roof instead of the attic can be a smarter option in some homes. Insulating the roof is the best choice when you attic is full of stored items or your home’s HVAC equipment. Similarly to attic insulation, roof insulation keep your rooms at a comfortable temperature all year round.

Ceiling Insulation

With energy costs on the rise and extreme weather a norm in Connecticut, it is important to make sure your entire home is properly insulated. Ceiling insulation is an important part of a home’s weatherization plan. We specialize in basement ceiling insulation, insulation about the living room and more.

Wall & Floor Insulation

In Connecticut, like in most climates, insulation is needed on all sides of the house: under your flooring, in basement walls, and at the ceiling or roof. Wall and floor insulation is an effective way to maintain comfortable temperatures throughout your home. Wall and floor insulation are often forgotten but is an important insulation to install in your home.

Attic Insulation

Heat passes easily through a poorly insulated attic which can cause a drastic increase in your energy bills. Naturally, heated interior air rises, especially in chilly winter months, and is lost through numerous attic air leaks. To tackle these issues, SolvIt is the expert in the sealing of air leaks, followed by new or additional attic insulation. Types of attic insulation we offer include: cellulose, fiberglass, mineral wool, spray foam, and rigid foam.

Duct Insulation

Uninsulated duct work is located in your attic, basement or crawlspace. Your ductwork will have the same temperature as those spaces. This means your ductwork has to heat up before heating your home, making it work twice as hard. Duct insulation will improve your comfort and energy performance. SolvIt also specializes in duct sealing, as duct sealing and insulation go hand-in-hand.

What are the benefits of home insulation?

learn about the benefits of home insulationIn general, a well insulated home has a few main main benefits.

First and foremost, the HVAC system (heating and cooling) do not have to work as hard, which helps save on energy costs.

Secondly, the air inside the house does not get processed and cycled as much through your HVAC system, which means the air does not get nearly as dried out. This has residual benefits, such as an increase in indoor air quality.

Additionally, for anyone that lives near a loud place, such as an airport, school, park or highway, insulation helps reduce outside sound from entering the home. People that live near these places frequently report dramatically less sound infiltrating and most people describe the home as having a more solid feeling to it.

How does home insulation work best in the summer?

In general, insulating the key areas of your home creates a barrier that prevents heat from entering the house on a hot, humid day.

There are a few other use­ful tips that will help make sure the heat stays out­side and the cool air is inside!

  • Air cir­cu­la­tion is really impor­tant, so open as win­dows at night to allow your home to cool.
  • Cir­cu­lat­ing air with fans is fine. However, any­thing elec­tri­cal creates an increase ambi­ent tem­per­a­ture and the insu­la­tion will trap in the heat.
  • Turn all non-essen­tials off or try putting some water or ice in a dish under the fan.

home insulation stops air loss

What else should I know about home insulation?

From our experience, most homes, especially older homes, simply do not have enough sufficient or proper insulation.

Frequently, homes have a minimum amount of insulation. Although required by building codes, this isn’t sufficient or proper insulation. The result are homes with:

  • drafty areas.
  • energy loss.
  • increased utility bills.
  • an overall uncomfortable home.

You may ask yourself what kind of insulation does my home need? Where do I need it most? SolvIt is here to answer all of your questions. We help homeowners identify the correct areas and type(s) of insulation your home would benefit from most. We even provide FREE quotes and estimates!

Interested in learning how proper home insulation can make a difference? Give us a call today!