Home Insulation

Make your home cozy and efficient

If you can stack two quarters between your doors and doorframes, it's like having a hole to the outside in your living room wall. Similar gaps throughout your home all can add up to the equivalent of leaving a window open year-round. A well-insulated home doesn't just keep you warmer in the winter. Proper insulation:

  • Reduces heat loss in winter and heat gain in summer.
  • Helps to lower your energy bills.
  • Improves home durability by keeping outside elements out and reducing moisture.

Program eligibility and details

You may qualify for a rebate of 20% of your project cost, up to $1,400, if you heat with electricity and employ a contractor to upgrade your insulation.

Rebates include:

  • Up to $500 for wall insulation.
  • Up to $500 for attic insulation.
  • Up to $400 for air sealing.

To qualify:

  • You must be a Minnesota customer.
  • Your home’s primary heat must be electric.
  • You cannot have received a previous insulation rebate for your home this year.
  • Your home must not be new construction.
  • A contractor must perform the installation.
  • Rebates apply to attic bypass sealing and insulation, wall insulation, and air-sealing and weather-stripping only and must meet certain R-factor levels.
    • Homes with existing attic insulation levels less than or equal to R-20 must install enough insulation to reach a total level of R-44 or greater.
    • Wall insulation must have an existing R-8 or less wall cavity and an ending value of at least R-13.
House with red arrows reflecting air moving in and out.

The benefits of a well-insulated home are numerous!


If you have any questions about program eligibility, contact our Idea Center or call 800-493-3299 during business hours.

Apply for your rebate

Fill out the rebate form. When completed, mail it to:

Idea Center
Otter Tail Power Company
P.O. Box 496
Fergus Falls, MN  56538

Please allow 6–8 weeks for your rebate check to arrive.