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Where To Contact Us

Sub Zero Heating and Cooling Ltd.

Cowichan Valley, Duncan, Mill Bay, Chemainus & Ladysmith’s Leading Heating & Air Conditioning Company.


636 Charlotte Street
Duncan, BC, V9L2V6

Phone Number




Monday – Thursday 7 am to 4 pm
Fridays, Saturdays, Sundays & STAT Holidays Closed


Cash, Cheque or money order,
E-transfers, Financing.

For Visa, MC we only accept transactions under $1,000, a special fee will apply for anything over.

Sub Zero Heating and Cooling Ltd. Privacy Policy

When you provide Sub Zero Heating and Cooling Ltd. with your contact information; name and email address on our website, you can be assured it will not be shared or sold to any third parties but will be retained for the sole purpose of corresponding with our clients.

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

Sub Zero Heating & Cooling Ltd.

636 Charlotte Street Duncan, BC, V9L2V6

250 597 8097

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