Best of 2021
"Top notch service. We're currently renovating our main floor and found mold in the attic. We called a mold..."
"Work with Great Northern on a couple of projects. Both personally and professionally. They are always very..."
"I had a single short run of a duct that had asbestos tape on it. I contacted Robert and he was great. They worked..."
"Muhammad and Howie worked very hard and completed the spray foaming of my basement to my expectations. Too bad their..."
"We recently had Mark and his company come and improve our attic insulation. Mark was easy to talk to, and answered..."
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..."
"Very well organized professional team, efficient fast and very clean job done in my house. They show me photos about..."
"We had mold in one corner of our bedroom ceiling, and it was growing quickly. A quick internet search made me think..."