Best HVAC companies in Diamond Bar, CA
The highest-scoring HVAC company in and near Diamond Bar is Steve's Plumbing Heating & Air Conditioning (score 89, 4.9 stars from 1,688 Google reviews). 74 companies meet the 5 Star standard within 25 km; the top 30 are ranked below.
- 1
Steve's Plumbing Heating & Air Conditioning
Family-ownedFree estimatesEmergency serviceFinancing available89SCORE - 284SCORE
- 384SCORE
- 484SCORE
- 583SCORE
- 682SCORE
- 782SCORE
- 882SCORE
- 982SCORE
- 1082SCORE
- 1181SCORE
- 1280SCORE
- 1380SCORE
- 1480SCORE
- 1580SCORE
- 1680SCORE
- 1780SCORE
- 1879SCORE
- 1979SCORE
- 2078SCORE
- 2178SCORE
- 2278SCORE
- 2378SCORE
- 2478SCORE
- 2577SCORE
- 2677SCORE
- 2777SCORE
- 2877SCORE
- 2977SCORE
- 3077SCORE
We list only companies that clear our published bar, so this area is still filling in. As more HVAC companies near Diamond Bar qualify, they'll appear here automatically.
Compare the top 10
| # | Company | Score | Google rating | Reviews | Years | Based in |
|---|---|---|---|---|---|---|
| 1 | Steve's Plumbing Heating & Air Conditioning | 89 | 4.9 | 1,688 | 38 | Upland |
| 2 | All City Plumbing, Air & Electrical | 84 | 5.0 | 1,916 | – | Anaheim |
| 3 | Friends & Family HVAC | 84 | 5.0 | 1,403 | – | Corona |
| 4 | Sano Plumbing Heating AC | 84 | 5.0 | 1,075 | – | Anaheim |
| 5 | Orange Coast Plumbing | 83 | 5.0 | 789 | – | Yorba Linda |
| 6 | Biard & Crockett Plumbing, Heating, and Air Conditioning | 82 | 4.9 | 2,011 | – | Orange |
| 7 | Haven Air Conditioning | 82 | 5.0 | 595 | – | Anaheim |
| 8 | Four Seasons Heating and Air | 82 | 5.0 | 590 | – | Anaheim |
| 9 | Eco Air Solutions | 82 | 5.0 | 571 | – | Anaheim |
| 10 | Happy Camper Heating, Plumbing, and AC Repair | 82 | 5.0 | 550 | – | Whittier |
HVAC companies in Diamond Bar: quick answers
Who is the highest-rated HVAC company in Diamond Bar, CA?
Steve's Plumbing Heating & Air Conditioning has the highest 5 Star Score among HVAC companies in and near Diamond Bar: 89 out of 100, with a 4.9 star Google rating from 1,688 reviews.
How many 5 Star HVAC companies serve Diamond Bar?
74 HVAC companies meet our standard within 25 km of Diamond Bar: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 37,109 Google reviews between them, averaging 4.93 stars.
How are these HVAC companies ranked?
By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.
HVAC companies near Diamond Bar
- Brea, CA (86)
- Yorba Linda, CA (96)
- Fullerton, CA (86)
- Anaheim, CA (103)
- Ontario, CA (29)
- Orange, CA (96)
- Corona, CA (39)
- Santa Ana, CA (93)
Other pros in Diamond Bar
- Plumbers (86)
- Electricians (30)
- Roofers (33)
- Garage door companies (30)
Search another area
Try a zip code, a nearby city, or a state.
Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.