Home v2

We Take Care of Our Customers & Community!

Whether you need to replace an outdated system or require a timely repair to your existing equipment, Formula Fabrication has
the products that will meet your commercial or residential budget and needs.

The Ductless Advantage

A ductless heat pump is an easy-to-use, energy efficient heating and cooling system equipped with the most advanced technology available in the industry.
With a state of the art INVERTER driven compressor, ultimate comfort can be delivered to any room at the touch of a button.


Offering the Best


  • 12 Years on Mistubishi Compressor
  • 12 Years on Mitsubishi Parts
  • 1 Year Formula Fabrication Full Service Warranty

Trane Heating & Cooling

Take control of your home's indoor temperature with TRANE's energy efficient, air conditioners, heat pumps and furnaces. Get the best air possible for your home with America's Most Trusted™ HVAC Systems.

Find out more

Coleman Heating & Cooling

Coleman engery-efficient heating and air conditioning systems are rugged and reliable, helping you to beat the high cost of energy while providing you with long lasting comfort you can count on for years to come.

Find out more

Empire & Rinnai Propane Heaters

Rinnai and Empire direct vent, low-profile heaters provide a perfect solution that delivers warmth and comfort for your whole home or supplemental heating needs.

Find out more

Kuma Wood Stoves & Fireplace Inserts

Kuma Stoves has been manufacturing American made world class stoves and inserts since 1981. Quality craftsmanship is the reason Kuma Stoves has some of the cleanest burning in the industry!

Find out more

Financing Available

Formula Fabrication offers special financing with $0 down and 0% for 24 months through Synchrony Financial. Contact us today to get instant approval.

Get Approved Today! »

Service & Repairs

If your heating and cooling system breaks down or fails to keep your home comfortable, Formula Fabrication provides prompt and professional repair service.

Find Out More! »

Precision Tune-Up

Let your system breathe easier with a Formula Fabrication precision tune up that will increase air flow, lower utility cost and prolong equipment life.

Schedule Today! »

Formula Fabrication
31936 US Highway 2, Libby, Montana
Office Hours:
Monday - Friday, 8:00am to 5:00pm