When your furnace is getting old, needs repairs more often, or can't keep the house warm, replacing it is often the smarter move. Reid Pro handles furnace replacement and new furnace installation for homes across Lethbridge and Southern Alberta, with the gas fitting, permits, and inspections taken care of.
Signs It's Time for a New Furnace
A furnace that's 15 or more years old, cold rooms, rising gas bills, or more frequent repairs. Most furnaces last 12 to 20 years with regular maintenance, and we'll give you a realistic read on how much life yours has left.
Sized Right and Installed to Code
We size the new furnace properly for your home, fit it to your existing ductwork, and handle the gas fitting. Most furnace installs take one day.
Permits and Inspections Handled
In Lethbridge, a furnace replacement has to be done by a licensed contractor under a gas permit. Our team pulls the permits and books the inspections, so there's nothing for you to chase down.
Clear Options, Old Unit Hauled Away
Good, better, and best options with clear pricing after a quick site visit. On install day we remove and recycle your old furnace.
Just need a repair or tune-up? See our furnace repair and heating service. Replacing the furnace in a mobile or manufactured home? Those need approved models, so read what to know about mobile home furnace replacement.
Recent work
A Trane Furnace Replacement, Before & After
An older Trane XB80 out, and a new high-efficiency Trane furnace in, vented with PVC in the same spot.


Why We Recommend Trane Furnaces
We install and service all major brands, and for most replacements we recommend Trane: dependable in Southern Alberta's cold, quiet, and backed by strong warranties. Read why Reid Pro recommends Trane.
Free ecobee smart thermostat with every Trane furnace, AC, or heat pump we install.

Furnace Replacement FAQs
How long does a furnace replacement take?
Most furnace replacements take one day.
How long does a furnace last?
Most furnaces last 12 to 20 years with regular maintenance. We'll give you a realistic timeline for yours during your quote.
Do I need a permit to replace my furnace?
Yes. In Lethbridge, a furnace replacement needs a gas permit and has to be done by a licensed contractor. We pull the permits and book the inspections for you.
How much does a new furnace cost?
It depends on the size, efficiency, and your home. We provide good, better, and best options with clear pricing after a quick site visit.
Do you only install Trane furnaces?
We install and service all major brands. For most replacements we recommend Trane, and every Trane furnace we install comes with a free ecobee smart thermostat.