Heat Pump Repair Mississauga: 24/7, No Overtime
Fast heat pump repair across all Mississauga neighbourhoods. TSSA-certified, no overtime fees, all brands serviced, same-day dispatch available.
Common Heat Pump Problems We Fix in Mississauga
Our TSSA-certified technicians diagnose and repair all heat pump issues across Mississauga. We carry common parts so most repairs are done in one visit.
Heat pump not heating in winter
Refrigerant low, reversing valve stuck, or defrost board failure
Heat pump not cooling in summer
Dirty coils, refrigerant leak, or compressor issue
Ice buildup on outdoor unit
Low refrigerant, faulty defrost cycle, or blocked airflow
Heat pump running constantly
Undersized system, refrigerant issue, or dirty air filter
Loud noise from outdoor unit
Fan blade, loose parts, or compressor wear
Error codes on thermostat
Sensor failure, communication error, or refrigerant pressure issue
Heat pump short cycling
Thermostat issue, refrigerant overcharge, or electrical fault
No heat below -10 degrees C
Backup heat failure or undersized cold-climate system
How Heat Pump Repair Works With EcoFrost
From your first call to a fully working system. We complete most repairs in a single visit.
Call or Book Online
Call (416) 835-4775 or book online. For emergencies we dispatch immediately. You get a 2-hour arrival window and a call when your technician is 30 minutes away.
Diagnosis
We run a full system diagnostic: refrigerant pressures, defrost cycle, reversing valve operation, coil condition, electrical components, and thermostat communication. We find the root cause, not just the symptom.
Written Flat-Rate Quote
Before any work starts, you receive a written flat-rate quote covering parts and labour. No hourly rates, no hidden fees. We credit the diagnostic fee toward the repair if you proceed.
Repair
We carry common heat pump parts on every truck so We complete most repairs in a single visit. If a part needs ordering, we prioritize same-day or next-day sourcing to get your system running fast.
System Test and Safety Check
After the repair, we verify refrigerant pressures, test both heating and cooling modes, confirm defrost operation, and ensure the thermostat is staging correctly. You receive a written summary of work completed.
Heat Pump Maintenance Checklist for Mississauga Homeowners
Mississauga heat pumps need twice-yearly service to perform well through humid summers and cold winters. Here is what our tune-up covers.
Heat Pump Repair Across All of Mississauga
EcoFrost handles heat pump repair throughout Mississauga, seven days a week with no overtime fees. We regularly service homes in Port Credit, Lakeview, Clarkson, and Mineola along the waterfront, and see a high volume of heat pump calls from the newer subdivisions in Erin Mills, Churchill Meadows, and Lisgar, where many homeowners installed cold-climate systems in recent years when the rebate programs were at their most generous. We also cover Meadowvale, Malton, City Centre, and Hurontario on a daily basis.
Mississauga winters are a real test for heat pump systems. Cold snaps that push below -15 degrees C can expose defrost control issues, low refrigerant pressure, or backup heat problems that would not show up in milder weather. Because we are based in Mississauga, our dispatch times are faster than competitors coming from other parts of the GTA, and our technicians are experienced with the specific conditions that affect heat pumps in this climate. If your system is struggling in the cold, do not wait: call us at (416) 835-4775 any time.
What Mississauga Customers Say
Real experiences from Mississauga homeowners who called EcoFrost for heat pump repair.
"Our heat pump stopped heating on a -18 degree night in January. EcoFrost arrived within 2 hours, diagnosed a stuck reversing valve, and had heat restored before we went to bed. No overtime charge. Highly recommend."
"I called three companies before EcoFrost. The others wanted to replace the whole unit. EcoFrost diagnosed a refrigerant leak, repaired it, and recharged the system. Saved us over $8,000. Honest and knowledgeable."
"Our Mitsubishi heat pump was throwing error codes. EcoFrost's technician knew the system inside and out, cleared a sensor fault, and ran a full preventative maintenance check while he was there. Thorough and professional."
Heat Pump Repair Mississauga: FAQ
How much does heat pump repair cost in Mississauga?
Most heat pump repairs in Mississauga range from $150 to $800 depending on the issue. Minor fixes like capacitors or sensors are on the lower end; refrigerant recharges or reversing valve replacements are higher. We give you a flat-rate quote before any work starts.
Do you repair all heat pump brands in Mississauga?
Yes. We service all major heat pump brands in Mississauga including Lennox, Carrier, Goodman, Mitsubishi, Daikin, Napoleon, and Bosch. Our technicians carry common parts for the most popular models.
My heat pump stopped working in winter. Can you come to Mississauga today?
Yes. We offer 24/7 emergency heat pump repair in Mississauga with no overtime fees. For winter emergencies, we prioritize same-day dispatch. Call (416) 835-4775 any time.
Does my heat pump need annual maintenance in Mississauga?
Yes, ideally twice a year: spring before cooling season and fall before heating season. Annual maintenance extends the lifespan of your system, maintains warranty coverage, and prevents the most common repair calls we see in Mississauga.
Should I repair or replace my heat pump in Mississauga?
If your heat pump is under 10 years old, repair is almost always the right call. Over 15 years, or if the repair cost exceeds 50% of a new system, replacement often makes more financial sense. We give you an honest recommendation and will never push you toward a replacement you don't need.
Why is my heat pump icing up in Mississauga winters?
Some frost on the outdoor coil is normal and the defrost cycle melts it automatically. Heavy ice buildup that does not clear is usually caused by low refrigerant, a faulty defrost board, blocked airflow, or a failed outdoor fan. Left unaddressed, it can damage the compressor. Call us for a same-day diagnostic.
My heat pump runs but doesn't reach temperature in cold weather. What's wrong?
This is usually caused by low refrigerant pressure, a partially stuck reversing valve, or a system that was undersized for the home. In some hybrid setups, the backup furnace may not be engaging correctly. Our technician will diagnose which is the issue and provide a written quote before any work.
How long does a heat pump repair take in Mississauga?
We complete most common repairs (capacitor, sensor, contactor, defrost board, refrigerant recharge) within 1 to 2 hours. More complex repairs like reversing valve replacement or compressor work may take 3 to 4 hours. We carry the most common parts on the truck to minimize wait times.
More HVAC Services in Mississauga
Heat Pump Issue in Mississauga? We're Ready
TSSA-certified. 24/7 availability. No overtime fees across all Mississauga neighbourhoods.