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Auto AC & Heating Shops in Waterloo, ON

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

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Total Auto Service
Verified
Waterloo • ≈ 10 km
TO
Total Auto Service
90 Baffin Pl, Waterloo, ON N2V 1Z7, Canada, Waterloo
★ 4.7
187 Google reviews
Response ≈ 39 min • $ • Quotes free
Auto AC & Heating Auto Accessories & UpgradesAuto Cooling System
📞 (519) 886-2641 • Free quote • Verified
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TS Custom Auto Solutions
Waterloo • ≈ 2 km
TS
TS Custom Auto Solutions
755 Bridge St W Unit 4, Waterloo, ON N2V 2G6, Canada, Waterloo
★ 5.0
68 Google reviews
Response ≈ 20 min • $$ • Quotes free
Auto AC & Heating Suspension & SteeringAuto Mechanic
📞 (519) 588-1548 • Free quote • Verified
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BAC Auto Centre
Waterloo • ≈ 5 km
BA
BAC Auto Centre
29 Weber St N, Waterloo, ON N2J 3G5, Canada, Waterloo
★ 4.9
399 Google reviews
Response ≈ 53 min • $$$ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (519) 746-1070 • Free quote • Verified
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Busy Corner Garage
Waterloo • ≈ 2 km
BU
Busy Corner Garage
24 Devitt Ave S, Waterloo, ON N2J 1Y5, Canada, Waterloo
★ 4.9
179 Google reviews
Response ≈ 38 min • $ • Quotes free
Auto AC & Heating Exhaust SystemAuto Mechanic
📞 (519) 745-1145 • Free quote • Verified
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Elite Auto Service Waterloo
Waterloo • ≈ 3 km
EL
Elite Auto Service Waterloo
636 Colby Dr unit 8, Waterloo, ON N2V 1A2, Canada, Waterloo
★ 4.9
77 Google reviews
Response ≈ 48 min • $$ • Quotes free
Auto AC & Heating European & Speciality CarsAuto Mechanic
📞 (519) 884-8957 • Free quote • Verified
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Essential Auto Service
Waterloo • ≈ 6 km
ES
Essential Auto Service
80 Baffin Pl #3, Waterloo, ON N2V 1Z7, Canada, Waterloo
★ 4.9
480 Google reviews
Response ≈ 48 min • $$ • Quotes free
Auto AC & Heating Vehicle InspectionAuto Mechanic
📞 (519) 747-5530 • Free quote • Verified
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Gary's Automotive
Waterloo • ≈ 4 km
GA
Gary's Automotive
105 Rankin St, Waterloo, ON N2V 1V9, Canada, Waterloo
★ 4.9
142 Google reviews
Response ≈ 49 min • $ • Quotes free
Auto AC & Heating Auto MechanicSuspension & Steering
📞 (519) 747-5571 • Free quote • Verified
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Jason's Automotive Repair
Waterloo • ≈ 5 km
JA
Jason's Automotive Repair
621 Colby Dr Unit 3, Waterloo, ON N2V 1B4, Canada, Waterloo
★ 4.9
147 Google reviews
Response ≈ 15 min • $ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (519) 885-9444 • Free quote • Verified
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Waterloo Autotech
Waterloo • ≈ 7 km
WA
Waterloo Autotech
599 Colby Dr, Waterloo, ON N2V 1A1, Canada, Waterloo
★ 4.9
57 Google reviews
Response ≈ 36 min • $ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (519) 886-9446 • Free quote • Verified
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DonMar Custom Auto and Fabrication
Waterloo • ≈ 5 km
DO
DonMar Custom Auto and Fabrication
66 Rankin St Unit 6, Waterloo, ON N2V 1V9, Canada, Waterloo
★ 4.8
71 Google reviews
Response ≈ 50 min • $$ • Quotes free
Auto AC & Heating Exhaust SystemAuto Mechanic
📞 (226) 476-0465 • Free quote • Verified
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Kurdi Auto
Waterloo • ≈ 10 km
KU
Kurdi Auto
634 Colby Dr Unit 16, Waterloo, ON N2V 1A2, Canada, Waterloo
★ 4.8
177 Google reviews
Response ≈ 59 min • $$ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (519) 208-1061 • Free quote • Verified
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Quality Auto Repair and Collision
Waterloo • ≈ 7 km
QU
Quality Auto Repair and Collision
159 Erb St. W, Waterloo, ON N2L 1V2, Canada, Waterloo
★ 4.8
236 Google reviews
Response ≈ 20 min • $$ • Quotes free
Auto AC & Heating Exhaust SystemAuto Body & Paint
📞 (289) 322-1212 • Free quote • Verified
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TQ Auto Care
Waterloo • ≈ 2 km
TQ
TQ Auto Care
15 University Ave, Waterloo, ON N2J 4K7, Canada, Waterloo
★ 4.8
1351 Google reviews
Response ≈ 46 min • $$ • Quotes free
Auto AC & Heating Vehicle InspectionAuto Mechanic
📞 (519) 746-9050 • Free quote • Verified
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Dial A Tire Automotive Service Center
Waterloo • ≈ 2 km
DI
Dial A Tire Automotive Service Center
89 Bridgeport Rd E, Waterloo, ON N2J 2K2, Canada, Waterloo
★ 4.7
716 Google reviews
Response ≈ 59 min • $$$ • Quotes free
Auto AC & Heating Brake ServicesTires & Wheels
📞 (519) 578-8473 • Free quote • Verified
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Master Mechanic Waterloo
Waterloo • ≈ 6 km
MA
Master Mechanic Waterloo
615 Davenport Rd #1, Waterloo, ON N2L 6H9, Canada, Waterloo
★ 4.7
214 Google reviews
Response ≈ 18 min • $$ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (519) 342-3524 • Free quote • Verified
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Mr.Mechanic
Waterloo • ≈ 7 km
MR
Mr.Mechanic
147 Columbia St W, Waterloo, ON N2L 0K7, Canada, Waterloo
★ 4.7
230 Google reviews
Response ≈ 55 min • $$$ • Quotes free
Auto AC & Heating Auto MechanicExhaust System
📞 (519) 521-1000 • Free quote • Verified
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Redi Rad Waterloo
Waterloo • ≈ 9 km
RE
Redi Rad Waterloo
127 Moore Ave S, Waterloo, ON N2J 1X4, Canada, Waterloo
★ 4.7
172 Google reviews
Response ≈ 44 min • $$$ • Quotes free
Auto AC & Heating Auto Cooling SystemFuel System
📞 (519) 743-0211 • Free quote • Verified
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RSR Automotive
Waterloo • ≈ 10 km
RS
RSR Automotive
66 Rankin St #12, Waterloo, ON N2V 1V9, Canada, Waterloo
★ 4.7
72 Google reviews
Response ≈ 18 min • $$ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (519) 570-6193 • Free quote • Verified
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Speedy Auto Service Waterloo
Waterloo • ≈ 2 km
SP
Speedy Auto Service Waterloo
255 Weber St N, Waterloo, ON N2J 3H7, Canada, Waterloo
★ 4.6
555 Google reviews
Response ≈ 27 min • $ • Quotes free
Auto AC & Heating Oil Change & LubeBrake Services
📞 (519) 885-6110 • Free quote • Verified
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Point Zero Auto Sound, AutoService & Performance
Waterloo • ≈ 8 km
PO
Point Zero Auto Sound, AutoService & Performance
29 Northfield Dr W, Waterloo, ON N2L 4E6, Canada, Waterloo
★ 4.4
131 Google reviews
Response ≈ 30 min • $$$ • Quotes free
Auto AC & Heating Auto ElectricalSuspension & Steering
📞 (519) 885-3394 • Free quote • Verified
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DM Service Centre
Waterloo • ≈ 10 km
DM
DM Service Centre
600 McMurray Rd, Waterloo, ON N2V 2E7, Canada, Waterloo
★ 4.1
128 Google reviews
Response ≈ 25 min • $$$ • Quotes free
Auto AC & Heating Suspension & SteeringVehicle Inspection
📞 (519) 746-2440 • Free quote • Verified
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Waterloo customer reviews

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

“Abhi is the person I can blindly trust when it comes to car.
He gave honest opinion about my cruze 2015, what to do and what not to do. This is my go to mechanic shop, no doubt.

Whole team is extremely friendly and easy to talk to! Kudos to you guys. Keep up the good work.”

Shell Car Wash • Auto AC & Heating at Mr.Mechanic, Waterloo
★ ★ ★ ★ ★

“Went to Waterloo Autotech based on a friend's recommendation - great service and pricing and super friendly! Everything was well explained, and I got some tips about how to fix some minor things myself. Will definitely come back again!”

Mike Lackner • Auto AC & Heating at Waterloo Autotech, Waterloo
★ ★ ★ ★ ★

“super nice guy. been there a couple times now + made time for me yesterday despite being busy and me not having an appointment. Would recommend !!”

Operation OUAT • Auto AC & Heating at RSR Automotive, Waterloo
★ ★ ★ ★ ★

“Honest mechanic. Fair pricing. Great guy and wonderful staff.”

Dave Brubacher • Auto AC & Heating at Jason's Automotive Repair, Waterloo
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Find a Best Auto AC & Heating in Waterloo, ON

Don't leave your Auto AC & Heating to chance. Browse 21 trusted mechanics in Waterloo, read authentic customer reviews, and find the right shop for your vehicle today.

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 Waterloo? +
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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