Furnace Repair in Guelph

The furnace repairs we see most in Guelph are failed igniters, dirty flame sensors, worn inducer and blower motors, blocked condensate drains, and overheating from poor airflow. Your house's age shapes which one you're likely dealing with.

The Ward, downtown and Exhibition Park. Many homes here date from the late 1800s to the mid-1900s and have been through several heating conversions. Ducts to the second floor are often small, patched or missing, with a single return in the basement. Modern furnaces on these systems overheat and cycle off on their limit switch. We also find old chimneys still venting a water heater after the furnace moved to plastic venting, which needs a safety check.

Kortright Hills. Built largely in the 1980s and 1990s, many of these homes are on their second furnace, and some of those replacements are now 15 to 20 years old. Blower motors, capacitors and control boards are common repairs.

Westminster Woods and the South End. Original builder-grade furnaces from the late 1990s and 2000s are reaching the age when inducer motors, pressure switches and igniters fail. In newer homes, we often trace no-heat calls to condensate lines that freeze where they leave the house, or to intake and exhaust pipes buried by drifting snow.

Try these before booking a furnace repair in Guelph:

1. Thermostat on Heat, set a few degrees above room temperature, with fresh batteries.
2. Furnace switch on, breaker not tripped.
3. Filter replaced if it's dirty.
4. The two plastic vent pipes outside (on high-efficiency furnaces) clear of snow, ice and leaves.
5. No water around the furnace. Pooling usually means a blocked condensate drain or a failed condensate pump.

Note any flashing light code on the furnace control board and tell us when you call. If you smell gas, leave the house and call Enbridge Gas from outside.

Repair usually makes sense for a furnace under about 15 years old with a single failed part. Replacement is worth considering for a furnace near 20 that needs a major component, especially if it's needed other repairs recently. We'll give you a straight recommendation.

If replacement is the better option, our furnace installation service in Guelph covers sizing and venting for older homes, and our furnace replacement cost guide shows typical regional prices. Your quote depends on the furnace, venting and any duct changes.

If you're thinking about moving away from gas heat, our heat pump vs furnace guide explains how cold-climate heat pumps handle Guelph winters.

Guelph furnaces tend to fail on the first cold night of fall, after sitting idle all summer, or during a long January cold stretch when they barely shut off.

A fall tune-up finds most failing parts before they strand you. We clean the flame sensor, test the igniter, inducer and blower, check the heat exchanger and clear the condensate drain. In older homes near downtown and in the Ward, we also confirm that a water heater still using the chimney is drafting properly.

We repair furnaces in the Ward, downtown, Exhibition Park, Old University, Kortright Hills, Westminster Woods, Grange Hill East and the rest of the South End. We're a TSSA-registered contractor, and all furnace work is done by licensed gas technicians. We install Lennox and York, and we repair all common brands.

See our furnace repair service page for what to expect on a visit, and our Guelph HVAC page for everything we do in the city. We also handle AC repair in Guelph.