NorthWestern Energy Home Insulation Rebate

NorthWestern Energy

Available Weatherization

About This Program

Rebate for NorthWestern Energy customers adding insulation to attics, walls, or basements. Minimum R-value requirements apply. Pre-approval recommended before starting work.

Rebate amount based on square footage and R-value of insulation installed

Data last verified 2026-06-09. How we verify our data.

Key Details

  • Up to $500 for attic, wall, or basement insulation
  • Available to all NorthWestern Energy customers
  • Must meet minimum R-value requirements
  • Pre-approval recommended
  • Apply within 90 days of project completion

How to Apply

A grant-savvy contractor in Havre, MT can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

You will likely need a contractor to apply

Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Havre early keeps your application moving.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Deadline: Available year-round while funds last

Questions about this program?

Ask us. It is free, and a real person answers within a business day.

Email us about this program

Need a Contractor for This Grant?

Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.

Find More Programs in Havre, MT

This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.

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