Action Guide

Batts in the Attic

Difficulty: Difficulty: 4 Expense: Expense: 4 Savings: 934 lbs CO2 / $86 Bookmark and Share

Insulate your attic for big energy savings and comfort gains.

Why You Should Do It

In a climate like Minnesota's, attic insulation is key!  It's like putting a hat on your house - a hat that not only keeps you warm, but helps reduce energy waste. Making sure that your attic insulation is up to code will keep you snug and comfortable during those long dark winter months without overspending on your utility bills.

What It Costs

You can expect to pay approximately the following:
  • $3 to $4 per square foot for removing existing insulation, adding 2" of closed cell foam, and adding cellulose to R50 total.
  • $1 to $2 per square foot for removing the existing insulation, sealing the large bypasses and blowing 14" of cellulose alone.
  • $0.5 per square foot if you do-it-yourself.
If working with a contractor, you can expect basic attic insulation to cost between $1,200 - $1,800.  Keep in mind there are utility rebates that can help bring this cost down!

How to Do It


  1. Measure how much insulation you already have in your attic.  If you have less than 14 inches of settled insulation, you could benefit by installing more.
  2. Select “Add to My Challenge” and pledge to insulate your attic.
  3. Check with your natural gas utility for any rebates for attic insulation installation. If you need financing, check out the low-cost financing from the Center for Energy and Environment.
  4. Find a contractor (ask family and friends for recommendations) and schedule a date for them to come measure your attic and give you ab
  5. Congratulate yourself for improving your home and fighting energy waste!

Frequently Asked Questions

  • Q.

    How much insulation should I have in my attic?

    Minnesota code recommends 14” of settled insulation in your attic to meet the thermal resistance of R-49.  Whether you do this with fiberglass or blown cellulose is up to you!

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