“Professional service, fair pricing, and no surprises. They made the whole process simple and stress-free.”
KH
Kevin H.Komoka, ON
Thermostat Repair & Replacement in London, Ontario
London Heating & Cooling, Take Control of Your Home's Temperature
Your thermostat is the brain of your whole comfort system, so it pays to have it working right. London Heating & Cooling repairs and replaces thermostats across London, Ontario and the surrounding Middlesex County areas, restoring accurate temperature control and steady efficiency. Whether you need a quick fix, a smart-thermostat upgrade, or a full replacement, we make sure it works seamlessly with the heating and cooling equipment we already look after for you.
Why Homeowners Call Us
Thermostat won't turn on or shows the wrong temperature?
A faulty thermostat means uneven comfort and higher bills. We repair and replace thermostats so your whole HVAC system runs accurately and efficiently.
Accurate Thermostat Repairs
Whether your thermostat won't turn on, reads the wrong temperature, or short-cycles, we pinpoint the cause and fix it so your system holds the comfort you set.
Smart and Programmable Upgrades
If your thermostat is dated, we install programmable or smart models for better scheduling, remote control, and energy monitoring, fully matched to your existing HVAC system.
Wired Into Your Whole System
As a licensed, insured HVAC company in London, our certified technicians repair and replace every thermostat brand with transparent pricing, set up to work with the heating and cooling we maintain for you.
Reviews
What London Homeowners Say
Real feedback from neighbours we've helped stay comfortable year-round.
“They had our furnace running again the same day, on one of the coldest nights of the year. Fast and professional.”
MC
Mya C.London, ON
“Friendly staff and outstanding workmanship. Our system runs better than ever after their visit.”
JL
Jennifer L.Aylmer, ON
More Services
Explore Our Other HVAC Services
We Can Help Solve Your Thermostat Repair & Replacement Needs
Don't let a comfort problem disrupt your home. Get fast, reliable service from a licensed, insured London HVAC team.