Expertise in Action

Installation, Maintenance, Replace & Repair

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

Commercial & Residential

A perfect fit for your space

As your heating system ages, it can become less efficient or cease to operate. At Sub Zero Heating & Cooling Ltd., we strive to provide the finest HVAC heating system installation and repair services possible. Whether you reside in a single-family house or oversee a business building, we hope to develop a suitable heating solution for you. All of our projects are completed in an exemplary fashion by dependable technicians, at affordable prices. WE have an assorted selection of heat pumps and gas furnaces to fulfill your needs and financial plan.

To determine your heating needs, we invite you to schedule a consultation with one of our licensed heating system installation experts, who will be patiently answering all of your questions. Please contact us to request your quote today.

Taking care of your air

No matter your brand of HVAC system, look no further than Sub Zero Heating & Cooling Ltd. for all your maintenance requirements. Our technicians are highly experienced and bring professionalism to every job, so that you can rest assured that your setup is operating at its best. If your heating needs a tune-up, we’re ready to get your home warmed up in no time. We provide our services throughout Duncan and Cowichan Valley areas, offering installations, repairs, and maintenance with a 100% work guarantee. Our staff is certified and insured so you can have the peace of mind when you call on us. For more information or to book an appointment with one of our experts who will answer all questions about the process and pricing, dial 250-597-8097 or use the “request a quote” section on our main page.

Keep it running smoothly
Replacement & Repair
Swaps & Fixes

Doing whatever it takes

At Sub Zero Heating & Cooling, we specialize in residential and light commercial air conditioner replacement and repairs for the Cowichan Valley. We take pride in providing 100% customer satisfaction on every project, no matter how big or small. All it takes is one call to set up an appointment with our Red Seal qualified technicians, who will provide a swift on-site diagnosis to address your A/C and heating needs. We can give you an immediate quote and go over the estimated time needed for replacements or repairs, as most of them can be started immediately by using the request a quote Our technicians are experienced in handling all major brands – American Standard, Daikin, Fujitsu, Navien, along with many more brands – and we won’t leave you waiting for parts. You can rest assured that quality service is what you’ll receive with us at Sub Zero Heating & Cooling Ltd!

Our Service Areas

  • Duncan
  • Ladysmith
  • Chemainus
  • Crofton
  • Maple Bay
  • Cowichan Bay
  • Mill Bay
  • Cobble Hill
  • Shawnigan Lake
Why Us

We Pride Ourselves in the Quality of Our Work

Expert Installers For The South Island

Rest easy knowing that Sub Zero is on the job. With hundreds of satisfied customers, whether you need an install, upkeep, or a quick fix, we know you’ll be happy with the results of our work. If there’s anything that we miss, we will working with you to ensure it’s made right, that’s just how we work. 

Book Your Service

Reach out to us here and we will get back to you as soon as we can.