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Service You Can Trust. Since 1924

TH Oliver Heating & Cooling is a service-based company, focused on resolving your service problems. We have fully trained and licensed technicians, fully stocked service trucks, and after hours access to most manufacturers’ parts. This means that we can help you when you need it most. We sell filters of including all sizes and brands, and we service all makes and models and have a number of maintenance programs available.


We provide cleaning and service for all makes and models of gas furnaces, fireplaces, air conditioners, humidifiers and indoor air quality products. We also provide maintenance programs.

Home smart

The Home Smart Service Plan

Our all-inclusive comfort protection plan includes:

  • Parts and labour
  • Annual 22-point check-and-clean safety inspection
  • Written inspection report
  • 24-Hour no-heat emergency service – Call now 905-727-4258

This service plan keeps your system running at peak performance, which increases efficiency and extends equipment life expectancy. And, it is transferable. We service all makes and brands.

Current Promotions

Book online and receive:
$10 off Oliver Heating & Cooling’s Home Smart Service Plan or our 22-Point Safety Check-and-Clean Diagnostic.


Contact Oliver Heating & Cooling today for a free, no-obligation quote.


Keep Your HVAC Unit in Top Condition

Our HVAC services are designed to make sure your heating and cooling systems function for many years to come.

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