About Us / History

Boonstra Heating and Air Conditioning started in 1961 as a one-man operation out of the basement of Clarence Boonstra’s home on Algonquin Street. Shortly there after Clarence purchased the current location across the road. From its meager yet ambitious beginnings, the company has become one of the largest heating and air conditioning contractors in southern Ontario.

The facility at 21 Highway #5 West in Flamborough has itself grown throughout the years, and today includes administration office, a parts department, on-site sheet metal shop, training room & warehouse. The company has much history at this location as it has been in this location since 1961, however due to highway changes it will be moving locations while still remaining in the area, sometime in the next year or so.

In 1998 the company joined the Union Energy Organizations, and briefly had a name change to 21 Degrees. At that time the commercial division known as Boonstra mechanical became a separate entity. Today the commercial division is located on Parkdale Avenue in Hamilton.

In 2003 the company was once again purchased by AirTime Canada and has hence become a One Hour company. With this change the quality of service bar which was already high was raised even further. With quality service the residential customer base has experienced steady growth throughout the years and now includes more than 30,000 residential customers from Flamborough, Burlington, Oakville, Hamilton, Stoney Creek, Dundas & Ancaster.

To provide these customers with efficient service, the name Boonstra’s One Hour Heating and Air Conditioning “Always on time or you don’t pay a dime” is represented by a whole fleet of certified & trained customer service representatives, service technicians and installation technicians. We have had the privilege of having many repeat customers over the years like Donald Wall – “This is the third new furnace we’ve had installed in each of our homes. You do very good work and service – all very nice people we’ve met. Thanks”

We dedicate ourselves to exceeding our customers expectations in providing the highest standard of satisfaction. We believe in partnership with customers and employees which are built on our values and beliefs. We enjoy stability and growth by achieving excellence through our skilled, professional people. We secure our reputation as the best in the industry through our commitment to the customer.

Joe Slagter of the sales department celebrated 50 years of service with the company this summer. Click Here to view article.

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(905) 390-3549