OVER 50 YEARS IN
THE BUSINESS.

WE ANSWER THE PHONE 
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About Us

Your Residential & Small Commercial HVAC Specialists in Oshawa, Port Perry and the surrounding area!

Cullen Heating & Air Conditioning has been providing quality service for homes and businesses since 1970 in Oshawa, Port Perry and the surrounding area.

As your Durham Region heating and air conditioning specialists, we offer a number of HVAC services to keep you and your family comfortable year-round. Whether it be heating, cooling, or taking care of the air you breathe – we can do it all!

We Specialize In:

HVAC Systems

  • Furnaces
  • Air Conditioners
  • Heat Pumps
  • Tankless water heaters
  • Humidifiers
  • Hot Water Tanks
  • Programmable Thermostats
  • Fireplaces
  • Service/Maintenance
  • And More!

Award-Winning Service

We’re also listed with the Better Business Bureau. We have maintained an A+ rating and have been accredited since September 2010.