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Smart comfort starts here.
Experience the perfect climate with London's highest-rated smart HVAC experts. Precision repairs, efficient installations, and 24/7 emergency support.
(226) 546-1948
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5.0 Google Rating

Licensed & Insured

SAME DAY SERVICE

Trusted by local leaders

Providing service for 100+ London businesses

15+

Years Exp

Fast Booking

Ready to Get Comfortable?
Book your service call in under 60 seconds. Our team will confirm your time and send a technician specialized in your specific needs.
  • Same-Day Priority Response
  • Up-Front Transparent Pricing
  • Serving london & surrounding areas

Our Expertise

Professional HVAC
Services in London.
From emergency repairs to smart home integrations, we handle every aspect of your indoor climate.
AC & Cooling
Precision cooling solutions for maximum summer comfort. We service all makes and models with energy-efficient units that lower your monthly bills.
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Furnace & Heating
Reliable heating installations and repairs to keep your family warm all winter long. We specialize in high-efficiency gas furnaces.
Learn More
Emergency Repairs
On-call 24/7 for urgent breakdowns. We respond within 60 minutes to restore your comfort during critical failures.
Learn More
Commercial HVAC
Expert rooftop unit services for London businesses, restaurants, and retail spaces. Scalable solutions for your facility.
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Air Quality
Breathe easier with advanced air purification and humidity control systems. Removing 99% of airborne particles.
Learn More
Maintenance Plans
Preventative care to extend the life of your equipment and lower energy bills with our TempSmart Protection Plan.
Learn More

Who We Are

Traditional Expertise, Smart Technology.

TempSmart HVAC combines traditional heating and cooling expertise with modern smart technology. We create intelligent, efficient, and reliable systems that give people greater control over their indoor comfort.

Our mission is to make homes and businesses more energy-efficient and responsive by offering solutions that think, learn, and adapt.

With a focus on innovation, quality, and customer satisfaction, our team brings deep industry experience and a fresh approach to every project.

Our Mission

To deliver smart, efficient, and reliable HVAC solutions that make indoor comfort simple and accessible. We combine technology with expertise to create systems that adapt to the needs of modern living.

Our Vision

To lead the future of smart climate control, making homes and businesses more comfortable, efficient, and sustainable through innovation and technology. We aim to set new standards in the HVAC industry.

Our Core Values

RELIABILITY
EFFICIENCY
COMFORT
PROFESSIONALISM
INNOVATION
RELIABILITY
EFFICIENCY
COMFORT
PROFESSIONALISM
INNOVATION

The Process

Smart Service, Simple Steps.

We’ve removed the friction from HVAC service. Here’s how we get your comfort back on track.

Step 01

Easy Booking
Schedule your service online or call our 24/7 hotline. We work around your busy schedule.

Step 02

Precision Diagnostic
Our certified technicians use smart diagnostic tools to find the root cause of any issue.

Step 03

Expert Execution
Whether it’s a quick fix or a complex install, we prioritize quality, speed, and cleanliness.

Step 04

Lifetime Support
We stand by our work with industry-leading warranties and ongoing maintenance plans.

Customer Trust

Rated 5.0 on Google.
5.0 | 35+ Reviews

“TempSmart fixed my furnace on a Sunday morning in January. The technician was professional, masked up, and explained exactly what went wrong. Couldn’t ask for better service.”

Michael Henderson

London, ON

“Switched to a smart heat pump system with TempSmart. Our energy bills have dropped significantly and the house is much more comfortable. Highly recommend their smart tech expertise.”
Sarah Jenkins

ST.THOMAS

“Fast, reliable, and honest. They didn’t try to upsell me on parts I didn’t need. They are now my go-to for all my commercial properties in the city.”
David Arquette

London, ON

Expert Help Now

Don't Wait for the Perfect Season.
Whether it’s a mid-winter furnace failure or a summer AC upgrade, London’s smartest HVAC team is ready to help you 24/7.
Get QUOTE NOW
AC & Cooling
Precision cooling solutions for maximum summer comfort. We service all makes and models with energy-efficient units that lower your monthly bills.

Our cooling specialists provide comprehensive diagnostics, installation, and maintenance for residential and light commercial systems. We focus on SEER2 compliance and smart thermostat integration to ensure you stay cool while saving on energy costs. Whether it’s a simple recharge or a full system replacement, our team brings the latest technology to your doorstep.

GET A FREE QUOTE
Call

Response time

Under 60 Mins

Local Service

London, Ontario

Furnace & Heating
Reliable heating installations and repairs to keep your family warm all winter long. We specialize in high-efficiency gas furnaces.
Don’t get left in the cold. Our heating services cover furnace tune-ups, heat pump installations, and emergency boiler repairs. We understand the London, Ontario winter and design systems that stand up to the harshest conditions. Our technicians are licensed for natural gas and propane systems, ensuring your home remains a safe haven.
GET A FREE QUOTE
Call

Response time

Under 60 Mins

Local Service

London, Ontario

Emergency
Repairs
On-call 24/7 for urgent breakdowns. We respond within 60 minutes to restore your comfort during critical failures.
HVAC emergencies don’t wait for business hours. That’s why TempSmart offers rapid response teams available around the clock. We arrive with fully stocked vans to complete most repairs on the first visit. From leaking water heaters to complete furnace failures in sub-zero temperatures, we prioritize safety and speed above all else.
GET A FREE QUOTE

Response time

Under 60 Mins

Local Service

London, Ontario

Commercial
HVAC
Expert rooftop unit services for London businesses, restaurants, and retail spaces. Scalable solutions for your facility.
We provide specialized maintenance and installation for RTUs, split systems, and exhaust systems tailored for commercial environments. Our preventative maintenance schedules are designed to minimize downtime for your business, ensuring your customers and employees remain comfortable throughout the workday. We handle everything from system design to complex retrofits.
GET A FREE QUOTE
Call

Response time

Under 60 Mins

Local Service

London, Ontario

Air Quality
Breathe easier with advanced air purification and humidity control systems. Removing 99% of airborne particles.
ndoor air quality is essential for health and comfort. We install HEPA filtration systems, UV germicidal lights, and whole-home humidifiers that integrate directly into your ductwork. Our solutions target allergens, dust, and viruses, providing a cleaner environment for families with respiratory sensitivities or pets.
GET A FREE QUOTE
Call

Response time

Under 60 Mins

Local Service

London, Ontario

Maintenance
Plans
Preventative care to extend the life of your equipment and lower energy bills with our TempSmart Protection Plan.
Regular maintenance is the best way to avoid costly surprises. Our TempSmart Protection Plan includes annual inspections, priority scheduling, and discounts on parts and labor. We perform thorough 21-point checks on your systems to ensure peak performance and maintain manufacturer warranties, giving you total peace of mind.
GET A FREE QUOTE
Call

Response time

Under 60 Mins

Local Service

London, Ontario