If you are vision-impaired or have some other disability under the Americans with Disabilities Act or a similar law, and you wish to discuss potential accommodations related to shopping or ordering on or using the benefits of our website, please contact Alliant Energy at 1-800-ALLIANT (800-255-4268).

Insulating & Weatherizing

Choosing insulation
Choosing insulation
Find out about the different types of insulation that are available and the benefits of each.
Adding attic insulation
Adequate insulation in your attic is one of the best ways to save on heating and cooling costs.
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Stopping air leaks can make any home more comfortable. Find out the most important places to seal up leaks in older homes.
Air infiltration
Keeping the cold air out and the warm air in.
Choosing insulation
Find out about the different types of insulation that are available and the benefits of each.

Agriculturally-based spray-on foam products reduce environmental concerns
Finding air leaks around your home
Not sure where to start weatherizing your home? Learn what to look for and simple, easy things you can do to seal your home.
High tech way to locate air leaks
Thermography is a technology that can pinpoint air leaks around your house.
Insulate and save
Save on heating and cooling with proper insulation levels
Insulate to regulate
Insulation is the best way to regulate the temperature throughout your home
Insulate with recycled newspaper
Cellulose insulation is an insulation option for your home. It is blown in to provide insulation, a sound barrier and seals the wall cavity.
Insulating your home
More insulation means more energy-efficiency, but there are many factors to consider. Answers to the most-asked insulation questions
Insulation 101
Learn the basics about insulation options, where you need it and how much.
Insulation options
When insulating an existing home you do have some options. On this 1950s ranch home, insulation was installed on the exterior, interior and attic. Find out what insulation was chosen to increase the efficiency of this home and why.
Jeans in your walls?
Cotton insulation made from recycled denim is good for the environment and helps save you energy.
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Saving energy outside of your home is just as important as the inside. Don't know where to start? PowerHouse TV's Pete and Megan have some helpful hints.
Siding and insulation
You probably think about siding for the look of your home, but have you thought about it for insulation?
Solar attic fan
Keep your attic properly vented with an attic fan. Learn about a solar operated option for your attic.

Spray foam insulation is getting a lot of attention lately. It does a great job of sealing up cracks and crevices, if it's installed properly. Learn more about open-cell spray foam options.
Spray foam insulation
You may have heard of spray foam insulation. Learn about the benefits, the costs and other alternative ways to use this type of insulation.
Sprayed polyurethane insulation
Sprayed polyurethane insulation offers a number of benefits and has excellent insulating properties.
Stop air leaks with simple caulk and weatherstripping
Sealing air leaks is an easy and inexpensive way to keep conditioned air in and non-conditioned air, pollutants and noise out.
Topping off your attic insulation
Beefing up your attic insulation is the most cost-effective way to lower heating and cooling costs
Weatherization: Out with the bad, in with the good
If you can see out, air can get in! Seal those cracks today
Web-Only Videos
Recent Shows
Upcoming Shows
Upcoming Shows
See what's coming up on this week's edition of PowerHouse!

August 19/20
  • Segment 1: AC tuneup
  • Segment 2: Dryer vent clean
  • Segment 3: Air sealing DIY
  • Segment 4: Comfort / Smart LEDs / 20th anniversary




Questions about the show? Call 1-866-ALLIANT (866-255-4268), use our Contact Us form or send an e-mail.
If you are vision-impaired or have some other disability under the Americans with Disabilities Act or a similar law, and you wish to discuss potential accommodations related to shopping or ordering on or using the benefits of our website, please contact Alliant Energy at 1-800-ALLIANT (800-255-4268).