The Report
What the homeowner told us
Casita isn’t cooling and the thermostat doesn’t seem to be working.
Repair · Carefree
Refrigerant Recharge with Capacitors and Thermostat Replaced in Carefree — August 2025
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Certified HVAC DiagnosisLicensed technicians, real data
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Documented ServiceFindings supported by service notes
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Reported by the Homeowner
Casita isn’t cooling and the thermostat doesn’t seem to be working.
Carefree homeowner · August 15, 2025
Findings & Work Performed
What Mike documented during the visit
System low on refrigerant; indoor coil beginning to freeze; start capacitor out of range; compressor run capacitor reading near 0 µF; thermostat not working properly.
Added 6 lbs 410a; replaced start and run capacitors; replaced old thermostat with new Honeywell t4.
The Verification
Verification performed
System is operating and cooling properly.
— Related Services
How this repair fits into our Phoenix HVAC service
This repair is one example of the AC Repair & Maintenance work AZ Perfect Comfort performs across Carefree, AZ. You can browse every case study we have published for this type of work in the Refrigerant Recharge with Capacitors and Thermostat Replaced case studies archive. Homeowners who join our Comfort Club maintenance membership get every eligible repair backed by our Lifetime Repair Guarantee. For larger repairs and replacements, financing options are available for qualifying projects.
— Parts & Work Performed
Exactly what was installed
| Item | Description | Qty | Price |
|---|---|---|---|
| Trip charge to travel to customer home (waived with paid repair during normal business hours). | 1 | $49.98 | |
| Maintenance visit credit. | 1 | $-450.00 | |
| Diamond level 3-system cooling maintenance. | 1 | $450.00 | |
| Diamond Tier 1 Perfect Comfort Club membership: two maintenance visits per year, 20% repair discount, no overtime charges, priority service, 50% off service call fee, evaporator coil clean (limitation | 1 | $300.00 | |
| Replace Turbo single run capacitor (2.5–67.5 µF, 5-year warranty). | 1 | $399.00 | |
| Install Turbo start assist (5-year warranty). | 1 | $414.00 | |
| Add R-410A refrigerant, each additional lb. | 5 | $720.00 | |
| Remove existing thermostat and install new basic programmable thermostat; test system operations (Honeywell T4). | 1 | $149.00 | |
| Service call fee waived with performed and paid repair or service (Mon–Fri 7am–5pm). | 1 | $-49.98 | |
| Maintenance visit credit. | 1 | $-150.00 | |
| Diamond level single-system maintenance. | 1 | $150.00 |
Total: $1,982.00
— Photo Documentation
121 photos from this repair
Every step of this repair was documented on-site by Mike.
— Frequently Asked
Questions about this repair
What was documented about the HVAC system?
System low on refrigerant; indoor coil beginning to freeze; start capacitor out of range; compressor run capacitor reading near 0 µF; thermostat not working properly.
Does AZ Perfect Comfort service Carefree?
Yes. AZ Perfect Comfort services Carefree and the greater Phoenix Metro area. Call (602) 613-3489 to schedule.
Are these repairs guaranteed?
AZ Perfect Comfort Diamond Members receive our Lifetime Repair Guarantee — if the same failure returns, the repair is on us. All other repairs are covered by our standard workmanship warranty. Ask your technician about becoming a Diamond Member to unlock the lifetime guarantee.
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— Same Problem At Your Home?
Let's get your home feeling "just right" again.
AZ Perfect Comfort has served Carefree and greater Phoenix with same-day HVAC diagnostics and repair. Diamond Members get every repair backed by our Lifetime Repair Guarantee.