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Sub Zero Heating & Cooling Ltd. – 250-597-8097

Replacement and Repairs

Specializing in residential and light commercial air conditioner replacement and repairs, Sub Zero Heating & Cooling is dedicated to keeping our clients in the Cowichan Valley cool. No job is too big or small, and we deliver 100% customer satisfaction on every project.

With just a simple phone call, one of our highly trained service technicians can be on-site diagnosing your AC problem right away. Sub Zero Heating Service Tech’s can give you an on the spot diagnoses, quote and estimated time for replacement or repairs, we won’t leave you guessing. Most replacement or repairs can be started right away.

Whether you need an air conditioner / heat pump replacement, or repairs to your existing single unit or an entire office building system, our highly trained and experienced Red Seal contractors will provide the speedy, high-quality service you can always depend on. We carry parts for most of the major brands like American Standard, Daikin, Navein and Venmor.


Sub Zero Heating and Cooling uses Daikin Brands
Sub Zero Heating and Cooling uses Venmar Brands
Sub Zero Heating and Cooling uses American Standard Brands
Sub Zero Heating and Cooling uses Navien Brands

Sub Zero is a family owned and operated mechanical contracting business.


6167 Lane Rd, Duncan BC, V9L4E2

250 597 8097


Serving the HVAC needs of Vancouver Island and the Gulf Island communities with honesty and integrity.