Pick HVAC in Phoenix and get rank changes, new openings, and competitor moves every Monday.
Mountainside Air Conditioning Repair is one of Phoenix's top-rated HVAC companies, earning a perfect 5-star rating from over 527 customers. They specialize in AC repair, installation, and maintenance for the extreme heat conditions that define Arizona summers. Whether your system breaks down in the middle of a 115-degree day or needs a seasonal tune-up, their certified technicians deliver fast, reliable service at fair prices. FAQ Q: What are the most common AC problems in Phoenix homes during summer? A: Refrigerant leaks, clogged condensate drains, failing capacitors, and dirty coils are the most frequent issues Phoenix HVAC technicians see during peak summer heat. Q: How often should I service my AC unit in the Phoenix area? A: Annual spring tune-ups are recommended before the summer heat season begins, though bi-annual service (spring and fall) extends equipment life and improves efficiency significantly. Q: What size AC unit do I need for a home in Phoenix, AZ? A: Proper sizing depends on your home's square footage, insulation, and sun exposure. A licensed technician should perform a Manual J load calculation for the most accurate recommendation.
Data updated Apr 15, 2026
| # | Business | Rating | Reviews | Response |
|---|---|---|---|---|
| #1 | Reliance Heating and Air Conditioning | 5.0 | 842 | Tracking |
| #2 | Island Breeze Air Conditioning & Heating LLC | 5.0 | 607 | Tracking |
| #3 | Mountainside Air Conditioning Repair | 5.0 | 527 | Tracking |
| #4 | AZ Home Services Group AC Repair & Plumbing Services | 5.0 | 54 | Tracking |
| #5 | Your Phoenix HVAC Contractor | 5.0 | 26 | Tracking |
| #6 | Day & Night Air Conditioning, Heating, & Plumbing | 4.9 | 9,167 | Tracking |
| #7 | APES HVAC & Plumbing | 4.9 | 2,494 | Tracking |
| #8 | Desert Diamond Air Cooling & Heating | 4.9 | 2,391 | Tracking |
| #9 | Reeis Air Conditioning, Plumbing & Electrical | 4.9 | 1,654 | Tracking |
| #10 | North Valley Mechanical HVAC & Plumbing | 4.9 | 1,355 | Tracking |
| #11 | Ideal Air Conditioning and Insulation | 4.9 | 1,344 | Tracking |
| #12 | 1st Choice Plumbing, Air & Insulation | 4.9 | 1,144 | Tracking |