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BOOMMAR / ON / St. Catharines / Auto AC & Heating

Auto AC & Heating Shops in St. Catharines, ON

Find trusted auto ac & heating services in St. Catharines. Compare prices, read reviews, and book online.

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Broz motors
Verified
St. Catharines • ≈ 6 km
BR
Broz motors
2-201 Merritt st, St. Catharines
Response ≈ 21 min • $ • Quotes free
Auto AC & Heating Vehicle InspectionTransmission
📞 3653666164 • Free quote • Verified
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GoWrench Auto Niagara
St. Catharines • ≈ 4 km
GO
GoWrench Auto Niagara
115 Queen St, St. Catharines, ON L2R 5H4, Canada, St. Catharines
★ 5.0
123 Google reviews
Response ≈ 41 min • $ • Quotes free
Auto AC & Heating Brake ServicesEngine Repair
📞 (866) 567-2884 • Free quote • Verified
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Santos Boys Auto and Exhaust Repair
St. Catharines • ≈ 6 km
SA
Santos Boys Auto and Exhaust Repair
32 Lincoln Ave, St. Catharines, ON L2P 0E9, Canada, St. Catharines
★ 5.0
45 Google reviews
Response ≈ 20 min • $ • Quotes free
Auto AC & Heating Exhaust SystemAuto Mechanic
📞 (905) 341-0360 • Free quote • Verified
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Central Service Auto Repair
St. Catharines • ≈ 9 km
CE
Central Service Auto Repair
63 Welland Ave, St. Catharines, ON L2R 2M8, Canada, St. Catharines
★ 4.9
210 Google reviews
Response ≈ 51 min • $$$ • Quotes free
Auto AC & Heating Auto MechanicEngine Repair
📞 (905) 685-1622 • Free quote • Verified
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Lakeport Auto
St. Catharines • ≈ 4 km
LA
Lakeport Auto
81 Lakeport Rd, St. Catharines, ON L2N 4P9, Canada, St. Catharines
★ 4.9
137 Google reviews
Response ≈ 60 min • $ • Quotes free
Auto AC & Heating Auto ElectricalAuto Mechanic
📞 (905) 934-2923 • Free quote • Verified
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McGeorge's Auto Electric
St. Catharines • ≈ 2 km
MC
McGeorge's Auto Electric
88 Geneva St, St. Catharines, ON L2R 4M8, Canada, St. Catharines
★ 4.9
35 Google reviews
Response ≈ 22 min • $$$ • Quotes free
Auto AC & Heating Auto ElectricalAuto Mechanic
📞 (905) 685-9179 • Free quote • Verified
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Minit Auto Service
St. Catharines • ≈ 4 km
MI
Minit Auto Service
1393 Fourth Ave, St. Catharines, ON L2S 0B7, Canada, St. Catharines
★ 4.9
604 Google reviews
Response ≈ 42 min • $$ • Quotes free
Auto AC & Heating Brake ServicesSuspension & Steering
📞 (905) 684-4740 • Free quote • Verified
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Scott's Automotive
St. Catharines • ≈ 8 km
SC
Scott's Automotive
260 Oakdale Ave, St. Catharines, ON L2P 2K4, Canada, St. Catharines
★ 4.9
483 Google reviews
Response ≈ 41 min • $$$ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (905) 341-6996 • Free quote • Verified
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Boyd Automotive & Tire
St. Catharines • ≈ 7 km
BO
Boyd Automotive & Tire
80 Commerce Pl, St. Catharines, ON L2S 0B3, Canada, St. Catharines
★ 4.8
677 Google reviews
Response ≈ 22 min • $$$ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (905) 685-5821 • Free quote • Verified
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Lincoln Valley Automotive
St. Catharines • ≈ 3 km
LI
Lincoln Valley Automotive
52 Scott St W, St. Catharines, ON L2R 1C9, Canada, St. Catharines
★ 4.8
79 Google reviews
Response ≈ 34 min • $$$ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (905) 687-4044 • Free quote • Verified
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Master Mechanic St. Catharine's
St. Catharines • ≈ 9 km
MA
Master Mechanic St. Catharine's
252 St Paul St W, St. Catharines, ON L2S 2E7, Canada, St. Catharines
★ 4.8
172 Google reviews
Response ≈ 59 min • $$$ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (289) 362-3003 • Free quote • Verified
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St. Amand Auto & Truck Repair Inc.
St. Catharines • ≈ 7 km
ST
St. Amand Auto & Truck Repair Inc.
132 Bunting Rd, St. Catharines, ON L2P 3G5, Canada, St. Catharines
★ 4.8
74 Google reviews
Response ≈ 27 min • $$$ • Quotes free
Auto AC & Heating Truck MechanicDiesel Truck Mechanic
📞 (905) 682-4656 • Free quote • Verified
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Viva Auto | Service
St. Catharines • ≈ 2 km
VI
Viva Auto | Service
302 Oakdale Ave, St. Catharines, ON L2P 2T5, Canada, St. Catharines
★ 4.8
987 Google reviews
Response ≈ 21 min • $$$ • Quotes free
Auto AC & Heating Auto MechanicTransmission
📞 (289) 696-5152 • Free quote • Verified
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AutoSmart Niagara
St. Catharines • ≈ 5 km
AU
AutoSmart Niagara
5 Henrietta St, St. Catharines, ON L2S 2M5, Canada, St. Catharines
★ 4.7
44 Google reviews
Response ≈ 40 min • $ • Quotes free
Auto AC & Heating Auto ElectricalAuto Mechanic
📞 (905) 684-6360 • Free quote • Verified
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Total Auto Repair
St. Catharines • ≈ 5 km
TO
Total Auto Repair
135 Cushman Rd Unit B, St. Catharines, ON L2M 6T2, Canada, St. Catharines
★ 4.7
81 Google reviews
Response ≈ 34 min • $$ • Quotes free
Auto AC & Heating Auto MechanicEngine Repair
📞 (905) 682-3928 • Free quote • Verified
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Ace Alignment
St. Catharines • ≈ 6 km
AC
Ace Alignment
64 North St, St. Catharines, ON L2R 2S6, Canada, St. Catharines
★ 4.6
160 Google reviews
Response ≈ 43 min • $$$ • Quotes free
Auto AC & Heating Suspension & SteeringAuto Mechanic
📞 (905) 685-5311 • Free quote • Verified
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Commercial Auto Electric Limited & Nut and Bolt Supply
St. Catharines • ≈ 8 km
CO
Commercial Auto Electric Limited & Nut and Bolt Supply
135 Cushman Rd, St. Catharines, ON L2M 6T2, Canada, St. Catharines
★ 4.6
76 Google reviews
Response ≈ 35 min • $ • Quotes free
Auto AC & Heating Auto ElectricalAuto Mechanic
📞 (905) 682-2635 • Free quote • Verified
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Don's Spring Repair & Service
St. Catharines • ≈ 4 km
DO
Don's Spring Repair & Service
242 Dunkirk Rd, St. Catharines, ON L2P 3X7, Canada, St. Catharines
★ 4.6
28 Google reviews
Response ≈ 19 min • $$$ • Quotes free
Auto AC & Heating Suspension & SteeringAuto Mechanic
📞 (905) 687-3581 • Free quote • Verified
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Midas
St. Catharines • ≈ 9 km
MI
Midas
387 1/2 Ontario St, St. Catharines, ON L2R 5L3, Canada, St. Catharines
★ 4.6
626 Google reviews
Response ≈ 23 min • $ • Quotes free
Auto AC & Heating Brake ServicesExhaust System
📞 (289) 273-1222 • Free quote • Verified
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Muffler Works
St. Catharines • ≈ 8 km
MU
Muffler Works
54 Grantham Ave S, St. Catharines, ON L0S 1A0, Canada, St. Catharines
★ 4.6
188 Google reviews
Response ≈ 43 min • $ • Quotes free
Auto AC & Heating Exhaust SystemAuto Mechanic
📞 (905) 658-8827 • Free quote • Verified
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Baker's Auto and Jeep, 4wd, lift kits.
St. Catharines • ≈ 9 km
BA
Baker's Auto and Jeep, 4wd, lift kits.
128 Grantham Ave S Unit 3, St. Catharines, ON L2P 3H2, Canada, St. Catharines
★ 4.3
73 Google reviews
Response ≈ 59 min • $$ • Quotes free
Auto AC & Heating Suspension & SteeringAuto Mechanic
📞 (905) 688-3897 • Free quote • Verified
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More Than Tires
St. Catharines • ≈ 10 km
MO
More Than Tires
335 Lake St, St. Catharines, ON L2N 7R4, Canada, St. Catharines
★ 4.3
110 Google reviews
Response ≈ 25 min • $ • Quotes free
Auto AC & Heating Tires & WheelsSuspension & Steering
📞 (905) 934-6624 • Free quote • Verified
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St. Catharines customer reviews

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Verified Reviews for Auto AC & Heating
★ ★ ★ ★ ★

“Thanks Santos! I appreciate your fantastic service and suggestions that helped me extend the life of my daughter's car very economically.. exactly what we needed. And you're a pleasure to work with!”

Don P • Auto AC & Heating at Santos Boys Auto and Exhaust Repair, St. Catharines
★ ★ ★ ★ ★

“I have been using their service for 6 years after moving to St Catharines. Friendly and competent service. They do not over charge and I find them a very price competitive shop.
They store winter tires as well and give helpful advice if needed.”

Trudy Couvier • Auto AC & Heating at AutoSmart Niagara, St. Catharines
★ ★ ★ ★ ★

“Brought some 3/4 ton springs off my classic pick up for them to strap and they did an excellent job. Charged very fairly, will come back to them for rebuilding my rear leaf springs. Thank you.”

Al Zedder • Auto AC & Heating at Don's Spring Repair & Service, St. Catharines
★ ★ ★ ★ ★

“Always quality service and great advice!”

Kristen Audet • Auto AC & Heating at AutoSmart Niagara, St. Catharines
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Find a Best Auto AC & Heating in St. Catharines, ON

Boommar lists 22 verified mechanics in St. Catharines. Compare real reviews, response times, pricing bands, and open bays — then book online.

Common Causes of AC & Heating Failure

Refrigerant leaks from deteriorated O-rings, hoses, or the condenser
Failed compressor clutch or internally damaged AC compressor
Clogged cabin air filter restricting airflow to the vents
Leaking or plugged heater core causing foggy windows and sweet smell
Broken blend door actuator preventing hot/cold air mixing
Failed blower motor or resistor stopping airflow from the vents entirely

Signs Your Auto AC or Heating System Needs Service

Air conditioning blows warm air instead of cold
Heater blows cold air even after the engine warms up
Weak airflow from the vents even at the highest fan setting
Strange sweet smell inside the cabin indicating a heater core leak
Unusual clicking or grinding noises when adjusting the temperature
Windows fog up excessively and the defroster doesn't clear them

Auto AC & Heating Services Available

AC Recharge & Leak Test

Evacuating, testing for leaks, and recharging refrigerant

AC Compressor Replacement

Installing a new compressor with full system flush

Heater Core Replacement

Dashboard removal and heater core swap

Cabin Air Filter Replacement

Installing a fresh filter for clean cabin airflow

Blend Door Actuator Repair

Replacing the motor that controls hot and cold air mixing

Blower Motor Replacement

Restoring full fan speed and airflow

Auto AC & Heating Tips

Run your AC system for at least 10 minutes per month even in winter to keep the seals lubricated
Replace your cabin air filter every 20,000-25,000 km for optimal airflow and air quality
If your AC stops blowing cold, get a leak test before just adding more refrigerant
A sweet antifreeze smell inside the cabin is a strong indicator of a leaking heater core
After winter, have your AC system inspected before the summer heat arrives
Don't ignore a defroster that doesn't work—it's a serious safety hazard in cold weather

Frequently Asked Questions

How much does an AC recharge cost in St. Catharines? +
A basic AC recharge with leak inspection costs $150-$300. If a leak is found and a component needs replacement (condenser, evaporator, or compressor), the total repair can range from $500-$2,000+.
Why does my AC blow cold then warm? +
This is often caused by an intermittent refrigerant leak, a failing compressor clutch, or a blocked expansion valve. A professional leak test and system pressure check can pinpoint the exact cause.
How much does heater core replacement cost? +
Heater core replacement is labor-intensive because the dashboard must be partially or fully removed. Expect to pay $800-$1,800+ depending on your vehicle's complexity.
How often should I recharge my car's AC? +
A properly sealed AC system should not need regular recharging. If it needs refrigerant frequently, there's an active leak that must be repaired first to avoid environmental damage and ongoing costs.

Auto AC & Heating in Nearby Cities

Toronto Ottawa Mississauga Brampton Hamilton London Markham Vaughan

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Auto Mechanic Diesel Truck Mechanic Truck Mechanic Oil Change & Lube Brake Services Tires & Wheels Auto Detailing Auto Body & Paint

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