AC Service & Repair
Detailed AC assessments, troubleshooting, and repair. Sebastian provides clear explanations and useful maintenance tips.
Book this serviceBurnaby HVAC contractor · 4.6 stars · 9+ reviews · ask for Sebastian
C M J Heating Ltd on N Fraser Way in Burnaby is the HVAC contractor where Sebastian and the team deliver friendly, knowledgeable service and detailed AC and heating assessments — for new buildings and existing systems alike.

What we do
Honest diagnostic, repair, and maintenance work — done right the first time.
Detailed AC assessments, troubleshooting, and repair. Sebastian provides clear explanations and useful maintenance tips.
Book this serviceHeating system service and repair for residential and commercial properties.
Book this serviceHVAC installation for new builds — the contractor builders use to get it right from the start.
Book this serviceNeed it looked at today?
Call the shop — same-day diagnosis when our schedule allows.


Why C M J Heating Ltd
We tell you what's actually wrong — and just as importantly, what isn't. No upsells, no scare tactics, no parts you didn't ask for.
Transparent quotes before any work begins. Detailed invoices when it's done. The price you're quoted is the price you pay.
We walk you through what we found, what it does, and why it matters — so you can make decisions with full information.
4.6 stars across 9+ Google reviews. Lower Mainland drivers come back, and they bring their friends.
From real customers

Who we are
C M J Heating Ltd is a Burnaby-based HVAC contractor focused on prompt response and quality service. Customers consistently mention Sebastian by name for excellent service, detailed assessments, and useful maintenance tips. The company handles new construction HVAC installs, AC issues, heating maintenance, and ongoing service for homes and buildings across the Lower Mainland. Friendly, knowledgeable, and quality-focused — the kind of HVAC contractor builders use and homeowners stay loyal to.
Drop in


Bring it in for diagnosis, book a service, or just call and tell us what’s going on. We’ll let you know what’s next.