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 Verified
Waterloo • ≈ 7 km
TO
90 Baffin Pl, Waterloo, ON N2V 1Z7, Canada, Waterloo
★ 4.7
187 Google reviews
Response ≈ 53 min • $$ • Quotes free
Auto AC & Heating Auto Accessories & UpgradesAuto Cooling System
📞 (519) 886-2641 • Free quote • Verified
TS Custom Auto Solutions
Waterloo • ≈ 7 km
TS
755 Bridge St W Unit 4, Waterloo, ON N2V 2G6, Canada, Waterloo
★ 5.0
68 Google reviews
Response ≈ 60 min • $$ • Quotes free
Auto AC & Heating Suspension & SteeringAuto Mechanic
📞 (519) 588-1548 • Free quote • Verified
BAC Auto Centre
Waterloo • ≈ 10 km
BA
29 Weber St N, Waterloo, ON N2J 3G5, Canada, Waterloo
★ 4.9
399 Google reviews
Response ≈ 50 min • $ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (519) 746-1070 • Free quote • Verified
Busy Corner Garage
Waterloo • ≈ 2 km
BU
24 Devitt Ave S, Waterloo, ON N2J 1Y5, Canada, Waterloo
★ 4.9
179 Google reviews
Response ≈ 56 min • $$$ • Quotes free
Auto AC & Heating Exhaust SystemAuto Mechanic
📞 (519) 745-1145 • Free quote • Verified
Elite Auto Service Waterloo
Waterloo • ≈ 3 km
EL
636 Colby Dr unit 8, Waterloo, ON N2V 1A2, Canada, Waterloo
★ 4.9
77 Google reviews
Response ≈ 59 min • $ • Quotes free
Auto AC & Heating European & Speciality CarsAuto Mechanic
📞 (519) 884-8957 • Free quote • Verified
Essential Auto Service
Waterloo • ≈ 10 km
ES
80 Baffin Pl #3, Waterloo, ON N2V 1Z7, Canada, Waterloo
★ 4.9
480 Google reviews
Response ≈ 53 min • $$ • Quotes free
Auto AC & Heating Vehicle InspectionAuto Mechanic
📞 (519) 747-5530 • Free quote • Verified
Gary's Automotive
Waterloo • ≈ 5 km
GA
105 Rankin St, Waterloo, ON N2V 1V9, Canada, Waterloo
★ 4.9
142 Google reviews
Response ≈ 60 min • $$$ • Quotes free
Auto AC & Heating Auto MechanicSuspension & Steering
📞 (519) 747-5571 • Free quote • Verified
Jason's Automotive Repair
Waterloo • ≈ 10 km
JA
621 Colby Dr Unit 3, Waterloo, ON N2V 1B4, Canada, Waterloo
★ 4.9
147 Google reviews
Response ≈ 55 min • $$$ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (519) 885-9444 • Free quote • Verified
Waterloo Autotech
Waterloo • ≈ 9 km
WA
599 Colby Dr, Waterloo, ON N2V 1A1, Canada, Waterloo
★ 4.9
57 Google reviews
Response ≈ 42 min • $$ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (519) 886-9446 • Free quote • Verified
DonMar Custom Auto and Fabrication
Waterloo • ≈ 5 km
DO
66 Rankin St Unit 6, Waterloo, ON N2V 1V9, Canada, Waterloo
★ 4.8
71 Google reviews
Response ≈ 18 min • $$ • Quotes free
Auto AC & Heating Exhaust SystemAuto Mechanic
📞 (226) 476-0465 • Free quote • Verified
Kurdi Auto
Waterloo • ≈ 3 km
KU
634 Colby Dr Unit 16, Waterloo, ON N2V 1A2, Canada, Waterloo
★ 4.8
177 Google reviews
Response ≈ 24 min • $$$ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (519) 208-1061 • Free quote • Verified
Quality Auto Repair and Collision
Waterloo • ≈ 7 km
QU
159 Erb St. W, Waterloo, ON N2L 1V2, Canada, Waterloo
★ 4.8
236 Google reviews
Response ≈ 24 min • $$ • Quotes free
Auto AC & Heating Exhaust SystemAuto Body & Paint
📞 (289) 322-1212 • Free quote • Verified
TQ Auto Care
Waterloo • ≈ 5 km
TQ
15 University Ave, Waterloo, ON N2J 4K7, Canada, Waterloo
★ 4.8
1351 Google reviews
Response ≈ 55 min • $ • Quotes free
Auto AC & Heating Vehicle InspectionAuto Mechanic
📞 (519) 746-9050 • Free quote • Verified
Dial A Tire Automotive Service Center
Waterloo • ≈ 7 km
DI
89 Bridgeport Rd E, Waterloo, ON N2J 2K2, Canada, Waterloo
★ 4.7
716 Google reviews
Response ≈ 47 min • $ • Quotes free
Auto AC & Heating Brake ServicesTires & Wheels
📞 (519) 578-8473 • Free quote • Verified
Master Mechanic Waterloo
Waterloo • ≈ 2 km
MA
615 Davenport Rd #1, Waterloo, ON N2L 6H9, Canada, Waterloo
★ 4.7
214 Google reviews
Response ≈ 58 min • $$ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (519) 342-3524 • Free quote • Verified
Mr.Mechanic
Waterloo • ≈ 7 km
MR
147 Columbia St W, Waterloo, ON N2L 0K7, Canada, Waterloo
★ 4.7
230 Google reviews
Response ≈ 53 min • $ • Quotes free
Auto AC & Heating Auto MechanicExhaust System
📞 (519) 521-1000 • Free quote • Verified
Redi Rad Waterloo
Waterloo • ≈ 6 km
RE
127 Moore Ave S, Waterloo, ON N2J 1X4, Canada, Waterloo
★ 4.7
172 Google reviews
Response ≈ 38 min • $$$ • Quotes free
Auto AC & Heating Auto Cooling SystemFuel System
📞 (519) 743-0211 • Free quote • Verified
RSR Automotive
Waterloo • ≈ 7 km
RS
66 Rankin St #12, Waterloo, ON N2V 1V9, Canada, Waterloo
★ 4.7
72 Google reviews
Response ≈ 36 min • $ • Quotes free
Auto AC & Heating Auto MechanicBrake Services
📞 (519) 570-6193 • Free quote • Verified
Speedy Auto Service Waterloo
Waterloo • ≈ 8 km
SP
255 Weber St N, Waterloo, ON N2J 3H7, Canada, Waterloo
★ 4.6
555 Google reviews
Response ≈ 22 min • $$$ • Quotes free
Auto AC & Heating Oil Change & LubeBrake Services
📞 (519) 885-6110 • Free quote • Verified
Point Zero Auto Sound, AutoService & Performance
Waterloo • ≈ 7 km
PO
29 Northfield Dr W, Waterloo, ON N2L 4E6, Canada, Waterloo
★ 4.4
131 Google reviews
Response ≈ 31 min • $ • Quotes free
Auto AC & Heating Auto ElectricalSuspension & Steering
📞 (519) 885-3394 • Free quote • Verified
DM Service Centre
Waterloo • ≈ 2 km
DM
600 McMurray Rd, Waterloo, ON N2V 2E7, Canada, Waterloo
★ 4.1
128 Google reviews
Response ≈ 25 min • $$ • 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
★ ★ ★ ★ ★

“Very good auto repair shop, Ziad is very knowledgeable, he and his team do a great job all the time. Recommend 100%.”

Catalin Gemanaru • Auto AC & Heating at Kurdi Auto, Waterloo
★ ★ ★ ★ ★

“Friendly staff. Transparent and efficient services. Affordable prices. Thanks so much, Essential Auto Service Team! You went above and beyond. From ease of booking to completion, It was a great experience.”

Erin Snider • Auto AC & Heating at Essential Auto Service, Waterloo
★ ★ ★ ★ ★

“Honest, reliable. Good service everyone's friendly and fair pricing”

Adrian Kovacs • Auto AC & Heating at Jason's Automotive Repair, 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
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Waterloo Pro – last 30 days
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booking requests
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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.