London's #1 Trusted HVAC Repair & Installation Company
- Same-Day Emergency Service Available.
- 95% Financing Approval Rate including Low & No Credit.
- Backed by Best-in-Class Support & Warranty.
5+
Years in Business
1000+
Systems Installed
98%
Customer Satisfaction
24/7
Emergency Support
Licensed Technicians
$5M Coverage
Local Business
A+ Rating
Emily Carter Homeowner
“Exceptional service from start to finish! TempSmart delivered on time and exceeded expectations.”
5+
Years Exp
How can we help you?
We provide qualified, professional HVAC solutions specializing in new installations, repair and maintenance.
- Furnace Installations
- Furnace Repairs & Maintenance
- A/C Installation & Repair
- Tankless Water Heaters
- Gas Lines
- Residential & Commercial
TempSmart is the team to trust! Working with TempSmart was an absolute pleasure. Their professionalism, attention to detail, and commitment to quality are unmatched.
James Duong, Homeowner
How can we help you?
Reliable commercial HVAC for offices, retail, and industrial spaces. Fast diagnostics, quality installs, and maintenance plans that reduce downtime.
- Rooftop Units (RTUs)
- Make-Up Air + Ventilation
- Boilers & Unit Heaters
- Gas Lines & Tankless
- Emergency Repairs
- Tenant Fit-Ups + Replacements
Bilal Khan, Osmow's Shawarma
Our Expertise
Trust & Expertise
"Hands down the best HVAC team in London! TempSmart was incredibly fast, honest about pricing, and very professional."
— Sarah M., London ON
TempSmart is a family-run business deeply rooted in London, Ontario. We treat every customer like a neighbor, offering the kind of personal care you won't find with big national chains.
Every TempSmart technician is TSSA-certified and highly trained. With $5M in liability insurance, we ensure your home and HVAC systems are in the safest hands possible.
With over 1,000 successful projects under our belt, TempSmart knows how to get the job done right. Our deep experience leads to faster diagnosis and systems that perform better for longer.
We don’t just finish a job; we guarantee it. If you aren't completely happy with our work, TempSmart will fix it immediately—your peace of mind is our top priority.
Our Core Values
Professionalism
Efficiency
Comfort
Innovation
Reliability
Professionalism
Efficiency
Comfort
Innovation
Reliability
Meet Our Founder
“I started TempSmart 5 years ago with a simple mission: to bring honest, reliable HVAC service to London families and businesses. Too many people were getting overcharged or sold equipment they didn’t need.”
Licensed Gas Fitter G2 & G3
Journeyman Refrigeration & Air Conditioning
Over 1,000 Successful Installations
Award Winner 2024
Testimonials
P
London, ON
D
London, ON
Really honest work and prices, 100% will use TempSmart services again in the future. My parents had an issue with their air conditioning unit and TempSmart took care of them like family, I would trust their services again and again to help my parents. I’m impressed, thank you so much!
A
London, ON
Really honest work and prices, 100% will use TempSmart services again in the future. My parents had an issue with their air conditioning unit and TempSmart took care of them like family, I would trust their services again and again to help my parents. I’m impressed, thank you so much!
A
London, ON
D
London, ON
P
London, ON
The Process
Smart Service, Simple Steps.
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Step 04
Ready to Get Started?
London & Surrounding Areas
Our service area includes all of the major areas around London including St. Thomas, Woodstock, Komoka, Strathroy, Lucan, Exeter, Dorchester, Woodstock, and more.
