Carrier Furnace Repair & Installation - Mississauga & GTA
Expert Carrier furnace repair, maintenance, and installation across Mississauga, Toronto, Brampton, and the GTA. TSSA-certified technicians familiar with Infinity, Performance, and Comfort series. $0 overtime fees.
Carrier Furnace Error Codes: Diagnostic Guide
Carrier furnaces use LED flash codes to communicate faults. Count the number of flashes on your control board LED to identify the issue.
| Flash Code | Meaning | Typical Fix |
|---|---|---|
| 13 Flashes | Limit circuit lockout - repeated overheating | Check air filter, supply vents, and duct restrictions |
| 14 Flashes | Ignition lockout - igniter or gas valve failure | Inspect igniter; verify gas supply and pressure |
| 24 Flashes | Secondary voltage fuse blown | Indicates short in control wiring - requires technician diagnosis |
| 31 Flashes | Pressure switch stuck open - inducer issue | Check exhaust vent; inspect inducer motor and pressure tubing |
| 32 Flashes | Pressure switch stuck closed - possible blocked port | Inspect pressure tubing for water blockage or kink |
| 45 Flashes | Control board fault - needs replacement | Control board failure - requires professional replacement |
| 33 Flashes | Limit circuit fault - may be temporary | Replace air filter; check duct system for restrictions |
| 34 Flashes | Ignition sensing fault | Clean flame sensor; check gas manifold pressure |
See a code not listed? Call us - we diagnose Carrier faults over the phone for free.
Common Carrier Furnace Repairs
Carrier Models We Service
Carrier Parts In Stock
Our trucks carry common Carrier parts including igniters, flame sensors, pressure switches, inducer motors, and control boards for faster same-day repairs.
Call NowWhy Choose EcoFrost for Carrier Furnace Service?
TSSA-Certified
All technicians are licensed by Ontario's Technical Standards & Safety Authority.
Carrier Specialists
Deep experience with Carrier Infinity controls, two-stage gas valves, and variable-speed blowers.
Same-Day Service
Most Carrier repairs completed same day. We carry common parts on every truck.
$0 Overtime Fees
Night, weekend, or holiday - same rate always. No surprise invoices.
Carrier Furnace FAQs
Is Carrier a good furnace brand?
Yes - Carrier is one of the oldest and most respected HVAC brands, founded in 1915. Their Infinity series furnaces are among the best available. Build quality and efficiency are excellent, though parts can be more expensive than budget brands.
What does 13 flashes mean on my Carrier furnace?
13 flashes is a limit circuit fault - typically caused by overheating. The most common cause is a clogged air filter. Replace your filter first; if the fault persists, the limit switch may need replacement.
How long does a Carrier furnace last?
A well-maintained Carrier furnace typically lasts 18–25 years. Their Infinity and Performance series are built to higher tolerances than budget brands. Annual maintenance significantly extends lifespan.
Does EcoFrost service Carrier furnaces in Mississauga?
Yes - we service and repair all Carrier furnace models including the Infinity, Performance, and Comfort series across Mississauga, Toronto, Brampton, Vaughan, and the full GTA.
My Carrier Infinity thermostat shows a fault code - what should I do?
Carrier Infinity thermostats display alphanumeric codes. Write down the code and call us - we can often diagnose the issue over the phone before dispatching a technician, saving you time and money.
Carrier Furnace Problem? We Fix It Today.
Same-day service across Mississauga, Toronto, Brampton, and the GTA. TSSA-certified technicians. $0 overtime fees.