Boommar. Find Mechanics
Claim shop
BOOMMAR / ON / Grimsby / Auto AC & Heating

Auto AC & Heating Shops in Grimsby, ON

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

✓ Verified Shops ✓ Online Booking ✓ Real Reviews
Auto Eclectic Motorsports Limited
Grimsby • ≈ 7 km
AU
Auto Eclectic Motorsports Limited
530 Ridge Rd W, Grimsby, ON L3M 4E7, Canada, Grimsby
★ 5.0
1 Google reviews
Response ≈ 55 min • $$$ • Quotes free
Auto AC & Heating Auto ElectricalAuto Mechanic
📞 (289) 455-2694 • Free quote • Verified
View Profile
AutoIQ Collision
Grimsby • ≈ 9 km
AU
AutoIQ Collision
337 Main St E, Grimsby, ON L3M 5N9, Canada, Grimsby
★ 5.0
14 Google reviews
Response ≈ 51 min • $$$ • Quotes free
Auto AC & Heating Auto MechanicAuto Body & Paint
📞 (905) 309-1356 • Free quote • Verified
View Profile
J B Auto Sport
Grimsby • ≈ 2 km
J
J B Auto Sport
181 S Service Rd W, Grimsby, ON L3M 4H6, Canada, Grimsby
★ 4.9
68 Google reviews
Response ≈ 31 min • $$$ • Quotes free
Auto AC & Heating Brake ServicesTransmission
📞 (905) 945-5660 • Free quote • Verified
View Profile
Maynard's Automotive
Grimsby • ≈ 3 km
MA
Maynard's Automotive
241 S Service Rd unit #4, Grimsby, ON L3M 1Y6, Canada, Grimsby
★ 4.9
97 Google reviews
Response ≈ 34 min • $$$ • Quotes free
Auto AC & Heating Exhaust SystemOil Change & Lube
📞 (905) 945-1700 • Free quote • Verified
View Profile
Mountain Automotive & Repairs
Grimsby • ≈ 3 km
MO
Mountain Automotive & Repairs
122 Mountain Rd, Grimsby, ON L3M 4E7, Canada, Grimsby
★ 4.9
86 Google reviews
Response ≈ 31 min • $$$ • Quotes free
Auto AC & Heating Auto Cooling SystemTires & Wheels
📞 (905) 309-5007 • Free quote • Verified
View Profile
Stevens Auto Electric & Machine
Grimsby • ≈ 5 km
ST
Stevens Auto Electric & Machine
591 Main St W, Grimsby, ON L3M 1V1, Canada, Grimsby
★ 4.9
52 Google reviews
Response ≈ 22 min • $$ • Quotes free
Auto AC & Heating Auto Cooling SystemAuto Lights & Signals
📞 (905) 643-3965 • Free quote • Verified
View Profile
Clausen's Automotive Repair and Service
Grimsby • ≈ 5 km
CL
Clausen's Automotive Repair and Service
50 Main St E, Grimsby, ON L3M 1N1, Canada, Grimsby
★ 4.8
74 Google reviews
Response ≈ 31 min • $$$ • Quotes free
Auto AC & Heating Rust Proofing & ProtectionTires & Wheels
📞 (905) 945-2823 • Free quote • Verified
View Profile
Master Mechanic Grimsby
Grimsby • ≈ 5 km
MA
Master Mechanic Grimsby
55 Main St E, Grimsby, ON L3M 1M7, Canada, Grimsby
★ 4.8
224 Google reviews
Response ≈ 18 min • $$$ • Quotes free
Auto AC & Heating BMW RepairOil Change & Lube
📞 (905) 309-7000 • Free quote • Verified
View Profile
NAPA AUTOPRO
Grimsby • ≈ 4 km
NA
NAPA AUTOPRO
2907 Grimsby Rd, Smithville, ON L0R 2A0, Canada, Grimsby
★ 4.8
131 Google reviews
Response ≈ 50 min • $$ • Quotes free
Auto AC & Heating Brake ServicesFuel System
📞 (905) 945-4141 • Free quote • Verified
View Profile
Performance Collision Grimsby
Grimsby • ≈ 10 km
PE
Performance Collision Grimsby
569 Main St W Unit B, Grimsby, ON L3M 1T8, Canada, Grimsby
★ 4.8
248 Google reviews
Response ≈ 46 min • $ • Quotes free
Auto AC & Heating Exhaust SystemHonda Repair
📞 (905) 643-1221 • Free quote • Verified
View Profile
Stevens Auto Electric & Machine
Grimsby • ≈ 2 km
ST
Stevens Auto Electric & Machine
591 Main St W, Grimsby, ON L3M 1V1, Canada, Grimsby
★ 4.8
54 Google reviews
Response ≈ 36 min • $ • Quotes free
Auto AC & Heating Auto MechanicDiesel Truck Mechanic
📞 (905) 643-3965 • Free quote • Verified
View Profile
Take 5 Oil Change
Grimsby • ≈ 4 km
TA
Take 5 Oil Change
55 Main St E, Grimsby, ON L3M 1M7, Canada, Grimsby
★ 4.5
548 Google reviews
Response ≈ 30 min • $$$ • Quotes free
Auto AC & Heating Tires & WheelsEngine Repair
📞 (905) 698-0013 • Free quote • Verified
View Profile
BEVERLY TIRE & AUTO
Grimsby • ≈ 5 km
BE
BEVERLY TIRE & AUTO
209 S Service Rd, Grimsby, ON L3M 1Y6, Canada, Grimsby
★ 4.4
119 Google reviews
Response ≈ 18 min • $$ • Quotes free
Auto AC & Heating Tires & WheelsOil Change & Lube
📞 (905) 309-9191 • Free quote • Verified
View Profile
Canadian Tire
Grimsby • ≈ 2 km
CA
Canadian Tire
Square, 44 Livingston Ave, Grimsby, ON L3M 1L1, Canada, Grimsby
★ 4.0
1026 Google reviews
Response ≈ 57 min • $ • Quotes free
Auto AC & Heating Tires & WheelsBrake Services
📞 (905) 945-5441 • Free quote • Verified
View Profile
Blue Ribbon Electrical
Grimsby • ≈ 7 km
BL
Blue Ribbon Electrical
271 Mountain Rd, Grimsby, ON L3M 4E7, Canada, Grimsby
Response ≈ 53 min • $$ • Quotes free
Auto AC & Heating Auto ElectricalAuto Mechanic
📞 (905) 912-2731 • Free quote • Verified
View Profile
Showing 15 mechanics • Load more
Online booking workflow

Grimsby bookings,
zero phone tag.

STEP 01
Search

Filter Grimsby shops by service, rating, distance, open now.

15 results • verified
STEP 02
Request Booking

Send vehicle + service details. Get a firm quote or pick a slot.

Avg reply 42m
STEP 03
Shop Approves

Owner confirms time, price, and bay availability. One tap.

Calendar & SMS sync
STEP 04
Appointment Confirmed

You get confirm + reminders + live status tracking.

Stripe receipts
Grimsby customer reviews

Real bookings, real reviews

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

“Always great friendly service !”

Daniel Walters • Auto AC & Heating at Mountain Automotive & Repairs, Grimsby
★ ★ ★ ★ ★

“Been going to Maynards for about 20 years. Maynard, Jordan & George are the most honest mechanics around. Highly reccommend these guys.”

Aaron V • Auto AC & Heating at Maynard's Automotive, Grimsby
★ ★ ★ ★ ★

“Fast Friendly and very courteous Service”

Andrew Kebalo • Auto AC & Heating at Performance Collision Grimsby, Grimsby
★ ★ ★ ★ ★

“Matt and Kasie were awesome! Thank you for the great repair on my Lexus. Excellent service and communication. Highly recommend!”

Marla Wojnicki • Auto AC & Heating at Performance Collision Grimsby, Grimsby
For shop owners

Get More Customers
Through Boommar

Grimsby drivers searched “auto mechanic” 8,400 times last month. Claim your listing, turn searches into bookings.

• Online Booking
• Lead Tracking
• Review Management
• Listing Analytics
Claim Your Listing View Grimsby pricing
Grimsby Pro – last 30 days
+41
booking requests
4.8★
avg rating
31m
median reply
92%
show-up rate
Calendar sync • Stripe • SMS reminders • Review automation

Find a Best Auto AC & Heating in Grimsby, ON

Boommar lists 15 verified mechanics in Grimsby. 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 Grimsby? +
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

Other Services in Grimsby

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

Popular Cities

Toronto Vancouver Calgary Edmonton Ottawa Winnipeg