Furnace, AC, and Heat Pump Installation and Repair in Whitby and Durham Region

Lennox Cash back and 0% Financing options available

Call us for more info - 905-622-5435

Expert & Professional Services

  • Timely Quotes

    Call, email, or fill out one of our simple forms on the website  to get a quote on your heating and cooling needs. We always respond in a timely manner.

  • Competitive Pricing

    We offer competitive pricing on many makes and models of furnaces, air conditioners, heat pumps,  hot water heaters, tankless/boilers, water & indoor air quality.

  • 24-Hour Service

    We are available to help our valued customers with their heating and cooling needs 24 hours a day. 

  • Licensed & Insured

    We are a fully licensed and insured mechanical company with a TSSA recognition in the

    fuels and BPV act. 

    TSSA # 000229172

    HRAI # 114449

    WSIB # 5318422

  • 100% Satisfaction Guarantee

    Our workmanship is guaranteed for 1 year after installation. We take pride in our quality of installations, ensuring that all of our customers are fully satisfied with their newly installed equipment.

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Our Services

From furnace repairs to air conditioning, heat pumps, and water heaters, Walchuk Heating & Cooling provides reliable, professional HVAC service to homeowners across Whitby and Durham Region.

Blog

WHC Blog

Fall HVAC Maintenance Checklist

By Office WHC • October 1, 2026
Tankless water heater installs in Durham Region typically run $3,900 to $6,500. Walchuk Heating & Cooling explains costs, sizing, and how local hard water affects performance.

In Home Water Purification in Durham

August 25, 2026
Hard water affecting your plumbing and appliances? Walchuk Heating & Cooling installs in-home water purification systems across Durham Region.
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Satisfied Clients

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