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Insulate and save

Insulate and save
Save on heating and cooling with proper insulation levels

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August 18/19
  • Segment 1: Air leaks
  • Segment 2: Blower door
  • Segment 3: Attic / crawl space
  • Segment 4: Results / fixes




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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).