“They installed a ductless unit in our new sunroom addition in one afternoon, and the tech walked me through the remote settings before leaving. Couldn't be happier.”
NK
Nathan K.St. Thomas, ON
Services
Expert Furnace Repair in St. Thomas, Done Right the First Time
When your furnace stops working, you need fast, dependable service you can trust. At St. Thomas Heating & Cooling, we provide expert repair for gas, propane, and oil furnaces in St. Thomas, Ontario and surrounding Middlesex County communities to restore warmth, safety, and efficiency to your home. Our skilled technicians quickly diagnose issues and deliver lasting repairs, helping you stay comfortable through every cold Ontario winter.
Why Homeowners Call Us
Furnace runs constantly but the house never warms up?
A furnace that quits overnight is a January emergency. Technicians head out across Ontario with stocked trucks and repair most faults on the spot.
Fast, Efficient Repairs for Any Issue
Whether your furnace won't start, makes unusual noises, or heats unevenly, our emergency furnace repair delivers fast diagnostics, reliable fixes, and same-day service to restore comfort quickly.
Maintenance That Prevents Breakdowns
Regular furnace maintenance improves efficiency, extends your heating system's life, and prevents failures. We check airflow, filters, burners, thermostats, and key components to keep things running safely all winter.
Trusted, Local Experts You Can Count On
As a family-run HVAC company in St. Thomas, our certified technicians service all furnace brands across gas, propane, and oil systems, from rural Elgin County farms to newer subdivision builds, with honest pricing and clear communication.
FAQ
Furnace Repair in St. Thomas: Common Questions
How much does furnace repair cost?
Repairs start with a free quote after diagnosis. Ignition and electrical fixes sit at the lower end, motor and control board work higher. You approve the number before we start.
How quickly can you repair my furnace?
Most calls booked before noon are repaired the same day. Our trucks carry the common failure parts, so igniters, sensors, and pressure switches are usually swapped on the first visit.
Should I repair my furnace or replace it?
Repair frequency is the tell. One breakdown is bad luck, repeated failures mean the system is struggling, and a properly sized new furnace becomes the smarter spend.
Reviews
What St. Thomas Homeowners Say
Real feedback from neighbours we've helped stay comfortable year-round.
“Scheduling around our limited weekends at the cottage was effortless. They finished the ductless install ahead of schedule, labeled the breaker, and texted photos of the completed work.”
PD
Patrick D.St. Thomas, ON
“Annual maintenance on our cold-climate system was thorough. The technician cleaned the outdoor coil, checked refrigerant levels, and left a written report explaining everything in plain language.”
SN
Sarah N.St. Thomas, ON
We Can Help Solve Your Furnace Repair Needs
Don't let a comfort problem disrupt your home. Get fast, reliable service from St. Thomas's trusted local HVAC team.