“Professional service, fair pricing, and no surprises. They made the whole process simple and stress-free.”
KH
Kevin H.Komoka, ON
Services
Thermostat Repair & Replacement London, ON
London HVAC Pros: Smart and programmable thermostat repair and replacement for London and Middlesex County homes. We fix temperature swings, dead screens, and wiring issues, and install Wi-Fi thermostats wired to work with your system.
Why Homeowners Call Us
Old thermostat costing you comfort and savings?
An outdated thermostat wastes energy and leaves rooms uneven. We install and configure smart and programmable controls for efficient, reliable comfort.
Smart Controls, Properly Configured
We install programmable and smart thermostats and set them up around your schedule and your HVAC equipment, so you see the scheduling, remote access, and energy savings rather than just the features.
Accurate Repair and Replacement
If a control short-cycles or reads the wrong temperature, we diagnose it precisely and repair or replace it, restoring consistent comfort and efficient operation across your system.
Licensed Techs, Clear Pricing
Our licensed technicians install and service all thermostat brands, integrate them cleanly with your equipment, and quote the work up front with no surprises.
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 London's licensed HVAC team.