Best of 2021
"I sought the services of Great Northern by recommendation from my HVac provider. The only complaint I have is that..."
"We had Envirotech change out several lights, install a new range hood and fix a broken bathroom fan. As usual the..."
"My attic had the original insulation from the 80s and I was noticing the house was quite cool. I have been putting..."
Best of 2018
"Very satisfied with Zenic's work!
I was looking for a few quotes and I really needed to get the job done the next..."
"We had mold in one corner of our bedroom ceiling, and it was growing quickly. A quick internet search made me think..."
"I had condensation problems with my attic duct work.
It was a difficult job crawling around a shallow attic full of..."
"Exotherm staff were very professional and knowledgeable. They did a great job in solving the cold draft problem I was..."