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.


$100 OFF Early Bird Insulation Special!

The Snowpocalypse. Snowmageddon. The Polar Vortex. Whatever you called it, last winter was one of our worst yet. Record snowfalls, cold temps long after spring should have sprung, and those relentless heating bills – it seems winter never fails to leave a sour taste in our mouths. But when the snow…

Rim joists

Air Sealing and Insulating Rim Joists

Rim joists are usually one of the primary culprits for cold air leaking into your home. Cold air enters through joints in the wood and gaps from electric wires, plumbing, and ducts. The rim joist is the area located above the foundation and is secured to the sill plate in the basement. Most rim…

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…