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  • Seal & Insulate

    Sealing leaks with caulk, spray foam, or weather stripping and adding correctly installed insulation will have a great impact on improving your comfort and reducing utility bills.

Seal & Insulate Your Home

Sealing and insulating the envelope or shell of your home — its outer walls, ceiling, windows, doors, and floors — is often the most cost effective way to improve the energy efficiency and comfort of your home.

With products such as caulk, spray foam, weather stripping and ENERGY STAR® certified insulation, you can save up to $200 each year – or 10% – in heating and cooling costs.

What is your average monthly heating/cooling bill?

Heating and cooling consumes nearly half of your home's energy costs.  Depending on your climate, you could reduce your utility bill for heating and cooling by as much as 20% by switching to ENERGY STAR® qualified products.

Take the Home Efficiency Audit

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HOW TO INSULATE YOUR HOME

In a typical home, improperly insulated walls can account for up to 20% of heat loss.

Concrete, stone and masonry foundations often have less insulating value and can be improved witht the use of additional insulation.

Energy Star® Products Sold
Items
728,973,379
The number of applicable ENERGY STAR® certified products sold from 2006 through 2014 at all U.S. The Home Depot stores and online.
Electricity Saved in 2014
kWh
7,211,321,202
The amount of electricity saved in kilowatt hours (kWh) in 2014 based on the number of applicable ENERGY STAR® certified products sold.

*This number assumes that the products sold are replacing non ENERGY STAR® qualified products
Dollars Saved in 2014
USD
769,000,000
The amount of money saved in 2014 based on the amount of electricity saved from the number of applicable ENERGY STAR® certified products sold.
Homes Lit for One Year
Homes
4,722,171
The number of homes that the electricity saved could light for one year.

*This number assumes that the average home consumes 1,527 kWh a year for lighting.
The above numbers are based on averages and certain assumptions. Click on a ticker for details.

Sealants and insulation create a more energy efficient home

If you're going green, go to The Home Depot. We pride ourselves on being environmentally friendly and offer many different eco options.

Insulating your home proves no exception. According to ENERGY STAR®, you can save up to 20% on heating and cooling costs with proper sealant and green insulation. Closing the holes and gaps in your home, creates a more energy efficient seal. Such energy efficient insulation means you use less power to heat and cool your home. For any home improvement project or “green need,” look to The Home Depot to insulate your energy savings.