AC & Air Conditioning Repair in Mount Prospect, IL
Most Mount Prospect homes went up in the 1950s, long before central air was standard. Most AC repairs cost $275 to $735, flat-rate with parts and labor included, and the $75 diagnostic is waived when you approve the repair.
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Need AC Repair in Mount Prospect?
Fast, honest air conditioning repair from a family-owned team based in Streamwood.
- $75 diagnostic, waived when you approve the repair
- 24/7 emergency service, with same-day appointments available
- Trucks stocked with common AC parts like capacitors and contactors, so most repairs are done in one visit
- Upfront, flat-rate pricing before any work starts
Time for a New Air Conditioner in Mount Prospect?
Free in-home replacement estimates from a Lennox Premier Dealer.
- Good, Better and Best options with upfront pricing
- ComEd rebates applied where you qualify
- Financing available, including 0% APR on select Lennox systems during Lennox promotions
- Sized with a load calculation, installed and permitted
Quick Summary
Pure Comfort Heating and Cooling repairs central air conditioners in Mount Prospect, IL (60056) from our shop in Streamwood, about 25 minutes away. As of November 2026, most AC repairs cost $275 to $735, flat-rate with parts and labor included: capacitors $275 to $348, contactors $330 to $398 and condenser fan motors $735. The $75 diagnostic is waived when you approve the repair, refrigerant is discounted for multiple pounds, and trucks carry common parts so many repairs are done the same day. Call (708) 515-4822, 24/7.
Reviewed by Gene Baldassano, owner and NATE- and EPA 608-certified HVAC technician since 2008 · Updated
1950s to 1980s Homes: AC Repair in Mount Prospect
In Mount Prospect, much of the central air was added to 1950s homes after the fact, on ductwork laid out for heat. That shows up as warm upstairs bedrooms in Cape Cods, weak airflow at the far rooms and frozen coils when return air is too small. Common repairs are failed capacitors and contactors, dirty condenser coils, refrigerant leaks and clogged drains, and some older systems still use R-22. We check airflow and duct delivery before recommending refrigerant or parts.
Step by Step: AC Repair in Mount Prospect
For Mount Prospect homeowners, the visit follows the same order every time: thermostat, outdoor electrical, condenser fan and coil, refrigerant charge, then indoor coil, blower and drain. That order catches the cheap fixes first. You get the cause and a flat-rate price before work begins, with the diagnostic waived when you go ahead.
Is Your Mount Prospect AC Worth Repairing?
Small parts keep a sound system running for years, and we will say so. When the big parts fail on an older Mount Prospect system, such as the compressor or indoor coil, we write up the repair and a replacement side by side, including any rebates that apply.
Cooling Services in Mount Prospect
Related services for Mount Prospect homeowners.
Mount Prospect Air Conditioning Repair Pricing
AC repair in Mount Prospect usually runs $275 to $735 as of November 2026. A capacitor is $275 to $348, a contactor $330 to $398 and R-22 refrigerant $255 a pound. All prices are flat-rate with parts and labor, and the diagnostic is waived with the repair.
| Repair | Typical price | Common symptom |
|---|---|---|
| Capacitor | $275 to $348 | Outdoor fan or compressor hums but will not start |
| Contactor | $330 to $398 | Outdoor unit will not turn on, or will not turn off |
| Electrical connection repair | $150 to $405 | Burnt wires or intermittent shutdowns |
| Refrigerant charge check | $125 | Weak cooling, warm air on hot days |
| Refrigerant, per pound | R-410A $165, R-454B $245, R-22 $255 | Low charge; discounted when more than one pound is needed |
| Condenser coil deep cleaning | $149 | Dirty coil, high head pressure (a light cleaning is included in a tune-up) |
| Hard start or soft start kit | $370 / $725 | Compressor struggles or trips the breaker at startup |
| AC disconnect replacement | $380 to $410 | Corroded or failed outdoor shutoff |
| Frozen coil de-ice and airflow check | $390 | Ice on the lines, little or no airflow |
| Leak search with nitrogen pressure test | $610 | Refrigerant keeps running low |
| Brazed leak repair, accessible spot | $710 | Leak found at a joint or line |
| Condenser fan motor | $735 | Outdoor fan does not spin |
| TXV replacement | $1,250 | Coil starves or floods with refrigerant |
| Evaporator coil replacement | $2,740 | Leaking indoor coil |
| Compressor replacement | $2,935 | Compressor shorted or seized |
How our repair pricing works
- Every price is flat-rate, with parts and labor included and no hourly charges. You approve it before work starts.
- The $75 diagnostic is waived when you approve the repair.
- Refrigerant is discounted when your system needs more than one pound.
- Maintenance plan members save 10 to 15% on repairs. See our service agreements.
- Most AC repairs cost $275 to $735. Leak repairs, coils and compressors are the bigger jobs.
A repair rarely needs a permit in Mount Prospect. Replacements are different, and we confirm the requirements before scheduling one.
Why Mount Prospect Homeowners Choose Pure Comfort
We cover Mount Prospect from our Streamwood shop, about 25 minutes away.
Local and family-owned
Owned and operated by the founding family since 2008, from our shop on Harrison Lane in Streamwood.
In-house technicians
The person who diagnoses your Mount Prospect AC is the person who fixes it, and they work for us.
Certified and insured
Fully licensed and insured, with NATE and EPA Section 608 certifications.
Same-day service
Trucks carry capacitors, contactors, fan motors and refrigerant, so most Mount Prospect repairs are done on the first visit.
We test, price and fix in that order on every Mount Prospect call.
Need a Second Opinion in Mount Prospect?
Describe what you are seeing, and we will find the cause and give you a flat-rate price for your Mount Prospect home.
Feedback From Homeowners We Serve
Here is what neighbors in Mount Prospect say about working with us.
What homeowners near Mount Prospect say
“I was able to get a same day diagnostic for some back drafting I was having with my water heater. Gene was great. Friendly, honest and thorough as we discussed 3 different options and I was emailed estimates the same day.”
Water heater diagnostic
“Jose took care of the maintenance of our furnace in a timely and professional manner. Thank you very much.”
Furnace maintenance
“Nick and Gene are thoroughly knowledgeable and capable of the job required. They were very respectful and helpful in everything they said and did. Because of the work that they did at my home and their character and customer service make Pure Comfort shine as a company to trust.”
Service visit
When you need HVAC due to an unexpected event you want someone who not only can provide the service you need….
Great service. Very professional. They try all avenues to resolve issues with equipment. Always a pleasure to work….
Had an issue with the thermostat reading erroneously, as soon as I contacted Pure Comfort, they got back….
Our serviceman, Gene, was very responsive, professional and thorough. He explained each aspect of the issue clearly and….
I called them at 7am with no heat, the only available spot they had was in the afternoon, 5 minutes later they called….
Gene was professional, on-time, very friendly and did a thorough job inspecting our A/C unit. He also checked….
Quick and honest service and advice last minute on a Sunday. Clean crew and equipment. Gene was a knowledgeable….
Gene did not give up on the problem. It was a crazy situation but he never gave up found the problem and fixed it. Thank you….
Furnace wasnt working. Called Pure Comfort after hours and they came right out and helped me. The furnace….
Very professional, definitely knowledgeable had the furnace fixed in 10 minutes. I can honestly say I trusted Gene….
AC Repair Near Mount Prospect
Pure Comfort serves Mount Prospect and nearby communities, including AC repair in Arlington Heights, AC repair in Des Plaines and AC repair in Elk Grove Village.
Drive time: our shop in Streamwood is about 16 miles from Mount Prospect, roughly 25 to 30 minutes away in normal traffic.
Zip codes: we cover Mount Prospect homes in 60056.
AC repair in nearby towns
- Arlington HeightsAC repair
- Des PlainesAC repair
- Rolling MeadowsAC repair
- Elk Grove VillageAC repair
- PalatineAC repair
Near Mount Prospect but not listed? We serve towns within about 20 miles of Streamwood. See all service areas or call (708) 515-4822.
Mount Prospect AC Repair FAQs
Is AC repair expensive in Mount Prospect?
Most repairs are not. Capacitors and contactors run $275 to $398, and most jobs land between $275 and $735. Only compressors ($2,935) and coils ($2,740) are major expenses.
Why does my Mount Prospect finished basement stay cold while upstairs is warm?
Cool air settles, and older ducts were not designed for finished basements. Damper adjustments and better return air usually help.
Which ZIP codes do you cover in Mount Prospect?
We cover Mount Prospect homes in 60056, from our shop about 20 minutes away in Streamwood.
Should I replace a 20-year-old air conditioner?
Not automatically. If the repair is electrical, fix it. If it needs a compressor, a coil or several pounds of R-22, replacement usually makes more sense, and we price both.
Why is my air conditioner freezing up?
Low airflow from a dirty filter or coil, a weak blower or a low charge. We thaw the coil ($390 de-ice and airflow check) and fix the cause.
Do you clean the condenser coil during a repair?
A light rinse is included in a tune-up. A full deep cleaning is $149 and helps a lot on dirty or crowded condensers.
Do you have a maintenance plan?
Yes. Members get seasonal tune-ups and save 10 to 15% on repairs.
Request AC Service in Mount Prospect
Tell us what your AC is doing, and we will get a technician to your Mount Prospect home, often the same day.
- You get a scheduled window and the technician's name
- We diagnose and price the work before anything starts
- Replacement estimates are free, with no obligation
Need it fixed today in Mount Prospect? Call (708) 515-4822 rather than using the form.