For a more comfortable home, contact us!
(701) 795-7114
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Energy Efficiency Solutions for Your Home

401(e) is an ENERGY STAR partner helping Grand Forks area homeowners make their homes more comfortable while achieving significant energy savings by adding insulation and air sealing, as well as replacing old, inefficient furnaces and appliances, and more!

Improved Home Performance

increase comfort, save money on your utility bills!

A Healthier Home

breathe easier with better indoor air quality

Work with professionals

certified Xcel Energy auditors, Energy Star partner, BPI certified

Affordable improvements

partnerships with local lenders, help finding rebates and incentives

Solving Problems. Increasing Comfort.

401(e) can help you transform your home! More and more families are choosing to increase their comfort and well-being with home energy improvements. These improvements can make your home more comfortable and protect your family from mold, allergies and asthma. Plus, you will save money on your energy bills!


Attics, walls, basements, crawl spaces. We offer spray foam, cellulose, fiberglass insulation.

Air Sealing

Weatherstripping, windows, doors, eliminating cold drafts and ice dams.

Advice and Consultation

Free estimates, phone consultations, energy assessments, furnace checkups.

Energy Action Month

Celebrate National Energy Action Month with 401(e)

President Obama declared October as National Energy Action Month in 2012. It was created to be a month to promote efficiency, clean energy, and a healthier environment.   401(e) works in the Grand Forks area to make businesses and homes energy efficient, healthier, comfortable, and sustainable. The work we do…


Thermostats, Thermostats, Thermostats!!!

Saving energy in a home and becoming energy efficient can be as easy as changing the temperature on a thermostat. According to the Department of Energy, by turning a thermostat back 10° to 15° for 8 hours, you can save 10% a year on your heating bill.   The Department…

Photo credited to: United States Green Building Council - North Dakota

Get to know the United States Green Building Council-ND

Photo credit to: United States Green Building Council – North Dakota chapter On Tuesday September 23rd, Jason Schaefer of 401(e) spoke at U.S. Green Building Council’s North Dakota chapter (USGBC-ND) Green Focus ND event. This year’s event was held in Grand Forks and included speakers discussing a variety of topics related to…


Furnace Inspections: keeping it running efficiently and safely

  The temperatures outside are getting colder and the heating season is soon upon us. According to the Department of Energy, heating in the average U.S. home is the largest energy expense accounting for 45% of energy bills. Heating is a large expense, but with an efficient running furnace, you can save…

According to ENERGY STAR, if you added up all the air leaks in a home, they could equal a hole the size of an open window!

Do It Youself (DIY) Caulking

Caulking around windows is an effective way to seal cracks, gaps, and holes. According to the Department of Energy, a typical U.S. home has over one half mile of gaps and cracks. Sealing cracks, gaps, and holes is a good way to stop air leaks in a home offering savings…