Residential HVAC Service Provider


Unionville Heating customers know the value preventative maintenance on their furnace and air conditioners provides to protect the performance and extend reliability of their system. If your present system is out of warranty, we can help your family stay comfortable all year long. Introducing our “We Care” annual service program. We will contact you annually for your furnace, or your air conditioner. We report to our customers with a list of our recommendations including how to get the cooling to the second floor more efficiently. Sign up to receive our reminder notice Unionville Heating & Air Conditioning – Markham HVAC Heating and Cooling “We Care” program click here.

Gas Fireplace Maintenance and Repair - Unionville Heating

Gas Fireplace Repair and Maintenance

Gas Fireplace Maintenance Regular fireplace maintenance will go a long way towards preventing a repair. We offer regular fireplace maintenance to keep your fireplace in ...
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Heating and Air Conditioning Repairs

Heating and Air Conditioning Repairs

Trusted Expert Repairs Live 24/7 – Emergency Service Available Business awards We Care When you are having trouble with your heating or air conditioning systems, ...
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Annual Service and Maintenance Furnace Unionville Heating

Annual Service and Maintenance

Deluxe Service Plan – $49/month Two annual preventive maintenance and inspections, Furnace and AC Fireplace cleaning and inspection Same day emergency service No charge for repeat ...
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Water Heater Service and Installation

Water Heater Service and Installation

Unionville Heating repairs hot water heaters.  We offer replacement units for your rental hot water heater.  We offer sales and installation of a new unit. ...
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Customer Service

Polite and Prompt Technicians

Your schedule is important, so our technicians won’t keep you waiting. We are on-time and respectful and our technicians wear boot covers to keep your carpet clean and tidy. We are here to help 24 hours a day 7 days a week. Contact us today to schedule your free estimate.

Guaranteed Job

Our technicians are highly trained and experts in HVAC service and replacements. We guarantee to do the job right the first time!

Fast Reliable

Expert Heating & Air Conditioning provides fast, reliable, and dependable heating and air conditioning service. We stay within our territory. All our business is local so we’re always close by. If your system needs service, we can help!

Honest and Fair

We are thorough, informative, and knowledgeable and will treat you honestly and fairly. We pay attention to details because it’s the little things that make all the difference.

By Appointment Only

New Ontario Consumer Protection laws are in place to ban door-to-door sales of furnaces, air conditioners, water heaters and other related goods or services.  This law effective March 2, 2018 protects consumers from aggressive and misleading contracting at home.  No employee from Unionville Heating will ever visit your house unsolicited.  We’re happy to help with your home HVAC needs.  Please call or e-mail us for an appointment.