cullen heating and air conditioning
Trusted Experts in Heating and Air Conditioning Products and Services
We are Providing the Home Comfort You Deserve Since 1970
In Oshawa, Port Perry and the surrounding area!
As an annual award-winning heating and air conditioning company, Cullen Heating and Air Conditioning specializes in residential and some commercial heating and cooling replacements.
We are dedicated to providing our customers with timely service and will always try to serve the needs of our clients through education, choice, and savings.
It is our mission to provide our customers with the best HVAC products, services, and warranties available, explain how warranties work, provide ongoing HVAC services Oshawa, and support, and help you receive any available rebates.
Our expert installers and certified technicians will help your home or business feel comfortable again, from Furnace repair to Furnace installation, Air Conditioner repair to Air Conditioning installation, and more! We have you covered!
Why Choose Us?
Fully Licensed & Insured Gas Technicians
Refrigeration Mechanics
Custom Ductwork Installers (Complete Conversions from Electric Baseboard to Natural Gas)
Complete Conversions from Oil to Natural Gas
Authorized Dealer for Carrier, LG, Keeprite, Kingsman, GeneralAire, Navien and Energy Rebates
FREE 10-Year Parts & Labour Warranty
Our Company Thrives on 100% Customer Satisfaction!
Products and Services
At Cullen Heating & Air Conditioning, we are proud to say that every one of our products meets or exceeds federal standards for efficiency. We offer a variety of heating and cooling system options to best fit your home or business needs in the Durham Region, from Pickering to Bowmanville and north to Port Perry, Uxbridge and surrounding areas. areas. We carefully consider your priorities when providing an in-home assessment.
Top-Quality Furnace Solutions
Cullen Heating & Air Conditioning is a proud retailer for Keeprite furnaces. Let us help you select your next home heating solution!
Energy-Efficient Air Conditioning Solutions for Every Home
When it comes to air conditioner repair in Durham Region, from Pickering to Bowmanville and north to Port Perry, Uxbridge and surrounding areas., we have the expertise and experience to handle any repair problem you may have.
Efficient Heat Pump Solutions
At Cullen Heating & Air Conditioning in Durham, we’re proud to offer a range of energy-efficient heating and cooling solutions for your home or business.
Humidifier Solutions For Everyone
Do you find the air in your home dry? Install a flow-through humidifier and notice the difference.
Reliable Water Tank Solutions
Looking for a reliable hot water solution for your home? Look no further than Cullen Heating & Air Conditioning.
Tankless Water Heater
We supply and install water heaters to suit your needs – all types and sizes! Call today for a free estimate.

We Sell Carrier Products
The future of home comfort.
The Infinity" 26 Air Conditioner with Greenspeed" intelligence delivers outstanding efficiency and quiet operation, with over-the-air updates to help maintain optimum performance with fewer temperature swings. So however you use your home, you can count on Carrier to make it comfortable.
