Unionville Heating - Professional Service


Unionville Heating was established in 1985 and is a privately owned and operated company.

Professional Service

We serve the residential market only and exclusively to the Markham, Unionville and Stouffville areas for over 39 years. Experience has enabled our technicians to focus on every detail when installing or servicing the system in your home. As a result, we have created a standard of excellence second to none. The company’s reputation is supported by a referral list of customers happy to do business with a local business.

Most consumers prefer doing business with a company they can trust. Unionville Heating offers stability and a proven track record of providing quality products and exceptional service. Customers know the benefits of experience and knowledge. They want it done right the first time!

Unionville Heating is also the proud recipient of the Readers Choice Award for Best Business for 22 years.

Best Business

Unionville Heating Best Business 39yrs

Charitable Support

Care and Share, Value Village and Habitat for Humanity, Markham Stouffville Hospital, and Sick Kids the hospital for sick children.

Big We Care Heart of Unionville Heating and Air Conditioning

Meet Our Staff

Nick Russo at Unionville Heating and Air Conditioning

Nick Russo

Installation and Service Technician
Brenson Anistan of Unionville Heating and Air Conditioning

Brenson Anistan

Installation and Service Technician

Todd Nesbitt

Installation and Service Technician
Christian Barkey Technician at Unionville Heating

Christian Barkey

Installation and Service Technician

John St Germain

Call or Text:

Lisa St Germain

Public Relations

Michele Adams

Office Administrator

Dave Mainland

Chief Operations Manager

Eric Ranchigoda

Service Manager

St Germain

Office Administrator

Customer Satisfaction

We value your feedback.  After service or installation, each of our customers is asked to provide feedback after service or installation of a furnace or air conditioning unit.  Here are the results.


Overall, how satisfied or dissatisfied are you with our company?

Please complete our Customer Satisfaction Survey after your service or installation.

Google Reviews