Heating & Air Conditioning in Whitby, Ontario

"DeMark Home Ontario did a great job with our new tankless water heater. Mike was super quick in responding to my..."

"My rental hot water tank finally broke, and leaked and made quite the mess. Luckily I had one of those inexpensive..."

"At the beginning of March I had Ashton Heating & Cooling replace my 30 year old furnace with a new high-efficiency...."

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

"Our 23 year old AC unit broke down the night before our flight to visit family. I sent an email that night and the..."

"Kevin was great and came over and installed a gas line for my new BBQ and shut off the gas to an old and not working..."

"When our furnace started to malfunction, I called Edward, who was my furnace maintenance serviceman. Edward came by..."

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

"Has them back for our annual dryer vent cleaning. Great company to deal with. Reliable, professional and great..."

"DeMarco Mechanical Services Inc did a good job from initial meeting through installation. Adrian , the salesman, went..."