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Car AC Repair in Millcreek, UT
Warm air or weak airflow? We diagnose, recharge and repair car AC systems for Millcreek drivers, backed by a 12-month / 12,000-mile warranty*.
3385 Highland Dr, Salt Lake City, UT 84106 · Get Directions
Mon-Fri 8:00am-5:30pm | Sat Closed | Sun Closed ·
- Waiting room
- Free Wi-Fi
- Walk-ins welcome
- Online booking
12-month / 12,000-mile warranty* on parts & labor
Honored at every Master AutoTech location · Serving Utah and Idaho since 1963
*Exclusions apply. Ask your service advisor for full warranty terms.

- ASE Certified Technicians
- Best of State Utah
- Top Workplaces
- Family Owned Since 1963
Master AutoTech Millcreek diagnoses and repairs car air conditioning for drivers across Millcreek, Holladay and the east bench, from a simple recharge to a new compressor. We find the actual cause before we add refrigerant, and AC repairs are backed by our 12-month / 12,000-mile warranty*.
Salt Lake summers are brutal when you’re stuck at a Highland Drive light with the AC blowing warm. Our shop is on Highland Drive just south of 3300 South. Drop off your car and cool down at Millcreek Common or a café up the street.
Signs You Need AC Repair
A Utah summer is no time to find out your AC is failing. Bring your car in if you notice:
- Air blowing warm or only slightly cool
- Weak airflow from the vents, even on high
- A musty or sour smell when the AC runs
- Clicking, rattling or squealing when the AC turns on
- Water pooling on the passenger floor
- The AC works on the highway but not at idle
- Cooling that fades after a few minutes
AC Repair Services We Offer
AC diagnosis
Pressure and leak testing to pinpoint why the system isn’t cooling, explained before any repair.
Recharge & refrigerant service
Evacuate, vacuum test and recharge with the correct refrigerant and oil for your vehicle.
Leak repair
Hoses, seals, O-rings and fittings replaced so the recharge actually lasts.
Compressor & clutch
Failed compressors and clutches repaired or replaced with quality parts.
Condenser & evaporator
Damaged or clogged heat exchangers replaced to restore cold air.
Electrical & controls
Switches, relays, pressure sensors, blend doors and blower motors diagnosed and fixed.
How Much Does AC Repair Cost in Millcreek?
Car AC repair cost depends on what failed. A system that’s simply low on refrigerant costs far less than one with a leaking evaporator or seized compressor. The main factors are the refrigerant your car uses (newer R-1234yf systems cost more to service than older R-134a systems), how hard the leak is to reach, and whether parts like the compressor, condenser or drier need replacing. We test the system first and give you an estimate before any work starts.
We keep our prices competitive and upfront: you get an estimate and approve it before any work starts.
Need to spread out the cost? Master AutoTech offers several financing options, including the Goodyear Credit Card (6-month special financing on purchases of $250 or more), the Synchrony Car Care credit card, the 1stMILE Mastercard, Snap Finance, Acima, Surepay and RC Willey financing.
Why Choose Master AutoTech Millcreek for AC Repair
ASE-certified technicians
Millcreek techs are required to earn ASE certification within 90 days of joining.
We fix the leak, not just the symptom
We find where refrigerant is escaping instead of topping it off and sending you home.
Warranty on parts and labor
AC repairs are covered for 12 months or 12,000 miles.
Comfortable wait
Relax in our waiting room with free Wi-Fi.
What Millcreek Drivers Say
“These folks have cared for my cars for years and I highly recommend them. Their quality is very good and they are very good listeners to work with. I highly recommend.”
kaiser chris
“I’ve been coming to Millcreek automotive for a long time. They were always fair honest and has always done a good job. I came in recently and was shocked that they changed ownership. Only to learn that they haven’t really changed. They still have the same employees. They just spruced up the place a bit. Good mechanics are hard to find and would definitely recommend this place”
shawn gallaher
Time to cool down
Don’t sit through another hot drive. Book an AC check or call 801-905-8190.
Components of Your Car’s AC System
Knowing the parts makes your estimate easier to understand. A problem with any one of them, or with the switches, relays and wiring that control them, can stop the AC from cooling, which is why we test the whole system first.
- CompressorThe powerhouse. Driven by the serpentine belt, it pressurizes refrigerant and pumps it through the system.
- CondenserA radiator for the refrigerant, in front of the engine radiator. It sheds heat so the gas turns back into liquid, which is why your radiator fan runs with the AC on.
- Receiver-drier or accumulatorFilters debris and moisture out of the refrigerant before they can damage the system.
- Expansion valve or orifice tubeMost cars use one or the other. Both meter refrigerant and drop its pressure so it can expand.
- EvaporatorBehind the dash. Expanding refrigerant absorbs heat from the cabin air, and the blower pushes the cooled air out your vents.
How Often Should You Service Your Car’s AC?
Have the AC checked every one to two years, ideally in spring before the heat arrives. A car AC loses a small amount of refrigerant each year, and dry Utah air, road dust and winter salt are hard on condensers and seals. Run the AC for a few minutes every week, even in winter, to keep seals lubricated.
| Item | Recommended interval |
|---|---|
| AC performance check | Every 1–2 years, before summer |
| Cabin air filter | Every 12,000–15,000 miles |
| Run the AC | A few minutes weekly, year-round |
About Master AutoTech Millcreek
We’re a family-owned shop that treats every vehicle like it belongs to a neighbor. Master AutoTech started as Master Muffler in 1963 and grew into Utah’s largest auto repair franchise. Every technician here earns ASE certification within 90 days of joining the team.
You’ll find us on Highland Drive just south of 3300 South, next to The Home Depot and a few blocks from Millcreek Common. I-80 is about a mile and a half north. Look for the red two-story storefront and pull into our lot on Highland Drive.
Wait in our waiting room with free Wi-Fi, or step out while we work: Millcreek Coffee Roasters, Harmons and the Highland Drive shops are a short walk north. We take care of drivers from Millcreek, East Millcreek, Olympus Cove, Holladay and Sugar House every day.
Download the Master AutoTech app and earn rewards
- Rewards & offersOffers and rewards land right in the app, not in a drawer full of coupons.
- Check-engine alertsSee the actual codes your car is throwing and message the shop about them.
- Maintenance trackingKnow what’s due and what’s overdue, with a weekly report on your vehicle.
- Glove BoxKeep registration, insurance and service records in one place.
How to get rewards: download the free app and your offers and rewards land right in it, ready to use at your next visit. Open the app before your visit to see what’s waiting for you. Book a Master Oil Change and get a free Master Link that connects your car to the app.

Areas We Serve
Drivers come to Master AutoTech Millcreek for AC repair from across Millcreek, Holladay and the east bench.
- Millcreek
- East Millcreek
- Olympus Cove
- Holladay
- Sugar House
- South Salt Lake
- Murray
- Downtown Salt Lake City
Mon-Fri 8:00am-5:30pm | Sat Closed | Sun Closed
Get Directions · 3385 Highland Dr, Salt Lake City
✓ 12-month / 12,000-mile warranty* *Exclusions apply.
✓ Financing available · See options
✓ Competitive, upfront pricing
✓ Get rewards in the Master AutoTech app
Buy 3 Tires, Get the 4th Free
Buy 3 tires, get the 4th free, Oct 1 – Dec 31.
Ends December 31, 2026 · Details
Nearby Master AutoTech Locations
Part of Master AutoTech Salt Lake City, one of four Master AutoTech shops across the city. See all Salt Lake City shops
Master AutoTech South Salt Lake
2.1 miles away
3865 State St
Salt Lake City, UT 84115
Master AutoTech Downtown State SLC
3.9 miles away
1050 S State St
Salt Lake City, UT 84111
Master AutoTech Downtown SLC
4.5 miles away
690 Main St
Salt Lake City, UT 84101
Other Services at This Location
Frequently Asked Questions
Visit Master AutoTech Millcreek
Master AutoTech Millcreek
3385 Highland Dr
Salt Lake City, UT 84106
Get Directions
Mon-Fri 8:00am-5:30pm
Sat Closed
Sun Closed
Getting here
- From I-80: Take the 1300 East exit south to 3300 South, turn left, then right on Highland Drive; we’re just past the corner.
- From 3300 South: Turn south on Highland Drive; we’re just past the corner on the right, by The Home Depot.
- From Holladay: Head north on Highland Drive; we’re on the left just before 3300 South.
- Parking: Pull into our lot on Highland Drive, right in front of the red storefront.



