“This unit is remarkable! It was install only a week after the estimate was given & I had to put my slippers on an hour after it was turned on!”


Wow, Just Wow! What a difference the ductless heat pump has made in the upper part of my house. The hot spots I had before are gone and the unit is maintaining comfortable temperatures throughout my home.


We just turned our ductless unit on this week and it cooled the house right down to comfortable!


Jason gets a 5 star review from me, he’s a wealth of knowledge. He solved the problem just by changing a few settings over the phone without ever stepping foot in my home.


Our Mitsubishi heat pump work’s just like it did when Formula Fabrication installed it, haven’t even had to touch it.


This thing ROCKS! Even when it was super cold it took care of everything. I’d give it 10 stars!

Bill & Kim

“Formula Fab is the way to go!”


“Anyone thinking fire wood is cheaper has never used a Mitsubishi Ductless Heat Pump.”


“Impressive! Professional! Rare in this area!”

Larry & Diane

“I saved $214 the first two months of owning my Ductless Heat Pump.”

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