Heating & Air Conditioning in Zephyr, Ontario

"I am extremely satisfied with Demark Home service. Today 2 demark technicians came and installed a new rental furnace..."

"They were very efficient and did a great job at cleaning all my vents. They also made sure that no dust or debris..."

"Installation was a breeze. The 3 gentlemens Joe/David and John were courteous, polite, professionals and most..."

"We had excellent service . The serviceman was polite, knowledgeable and made sure I understood what he did...."

"I upgraded my ac unit to heat pump. Alex did a great job installing high efficiency unit. I'm very happy to work with..."

"Sheila was fantastic to work with, she answered all of our questions patiently. They put down new floors in my..."

"Dryer Vent Wizard were quick to respond to my service request. The manager called me on the phone to explain how..."

"Outstanding assistance from beginning to end! The AC Installation Barrie crew was efficient, thorough, and..."

"Moe communicated immediately and clearly. He walked me through diagnostic steps over the phone. He fixed the furnace..."

"Nice and friendly people. Very expert. They responded and did the job very quick. Thank you."