Lennox
Our primary heating and cooling line of products. Compare products online with the Lennox web site. Then let us help you decide which Home Comfort System would be best suited to your application.

Next Energy Solutions
Specializes in applications of renewable geothermal technology and supply of related equipment as alternatives to conventional heating and cooling.

AirAdvice.com
At AirAdvice, we’re working to help homeowners and HVAC contractors create healthier home environments.

Kingsman Fireplaces
View a full line of beautiful Kingsman fireplaces.

Superior Radiant
This site provides instant access to information about infrared heating and the full product line as well as photos of infrared applications.

Heating, Refrigeration and Air Conditioning Institute of Canada
Looking for a good contractor. Then you need a member of HRAI. Find out more about Postma's membership in the .....

Technical Standards and Safety Authority
An independent, not-for-profit organization responsible for the delivery of various safety programs and services including the administration of Ontario's Technical Standards & Safety Act, 2000.
Postma Heating and Cooling is a Registered Contractor