103 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Casa Grande: Desert Sun Heating, Cooling & Refrigeration Inc., CR Score 65/100; 4.7★ from 437 Google reviews; open 24/7.
Best for emergencies (open 24/7): Prestige Air Heating & Cooling, posts 24/7 hours; ranked #2 of 103.
Most-reviewed: 911 Air Repair, 1,487 Google reviews at 4.9★, the most of 103 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
103 Casa Grande HVAC contractors are ranked here by CR Score, from ten published factors. 30 are open 24/7, 78 open Saturdays and 53 open Sundays, based on posted hours. The median Google rating is 5.0★ across 103 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Desert Sun Heating, Cooling & Refrigeration Inc. | 65 | 4.7★ (437) | Casa Grande | 24/7 | Overall |
| 2 | Prestige Air Heating & Cooling | 65 | 5.0★ (166) | Casa Grande | 24/7 | Emergencies |
| 3 | Mark Of Excellence Heating & Air Conditioning | 65 | 5.0★ (382) | Casa Grande | Sat · Sun · Evenings | — |
| 4 | Curt's Mechanical | 65 | 5.0★ (342) | Casa Grande | Sat · Sun · Evenings | — |
| 5 | Sunset Home Services | 64 | 5.0★ (139) | Casa Grande | 24/7 | — |
| 6 | R&I A/Cs LLC | 64 | 4.9★ (124) | Casa Grande | 24/7 | — |
| 7 | Airsurance | 63 | 5.0★ (64) | Casa Grande | 24/7 | — |
| 8 | Will & Daughters New AC Unit AC Repair | 63 | 5.0★ (64) | Casa Grande | 24/7 | — |
| 9 | Frank Lee the Best Heating and Cooling LLC | 62 | 5.0★ (42) | Casa Grande | 24/7 | — |
| 10 | Al & Riley's Air Conditioning and Sheet Metal | 62 | 4.9★ (862) | Casa Grande | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.7★ from 437 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Casa Grande
Ranked #2 because of its Google rating and trade focus: 5.0★ from 166 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Casa Grande
Ranked #3 because of its Google rating and trade focus: 5.0★ from 382 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Casa Grande
Ranked #4 because of its Google rating and trade focus: 5.0★ from 342 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #5 because of its Google rating and trade focus: 5.0★ from 139 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #6 because of its Google rating and trade focus: 4.9★ from 124 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #7 because of its Google rating and trade focus: 5.0★ from 64 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #8 because of its Google rating and trade focus: 5.0★ from 64 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #9 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #10 because of its Google rating and trade focus: 4.9★ from 862 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #11 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “HVAC contractor”.
Based in Maricopa, 21 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 1,487 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Casa Grande
Ranked #13 because of its Google rating and trade focus: 5.0★ from 161 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #14 because of its Google rating and trade focus: 4.7★ from 35 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #15 because of its Google rating and trade focus: 5.0★ from 350 Google reviews, listed on Google as “HVAC contractor”.
Based in Maricopa, 19 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 493 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #17 because of its Google rating and trade focus: 4.9★ from 56 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #18 because of its Google rating and trade focus: 4.9★ from 49 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #19 because of its Google rating and trade focus: 5.0★ from 277 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #20 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #21 because of its Google rating and trade focus: 4.9★ from 286 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #22 because of its Google rating and trade focus: 4.9★ from 97 Google reviews, listed on Google as “HVAC contractor”.
Based in Maricopa, 19 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 1,180 Google reviews, listed on Google as “HVAC contractor”.
Based in Gilbert, 24 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 530 Google reviews, listed on Google as “HVAC contractor”.
Based in Casa Grande
Ranked #25 because of its Google rating and trade focus: 4.9★ from 77 Google reviews, listed on Google as “Plumber”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 103 ranked HVAC contractors here; the rest are on their profiles.
20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 14 Degrees AC Mechanical | 7 mi | |
| American City Air Conditioning & Refrigeration LLC | 5.0★ (19) | 16 mi |
| AZ A/C AND HEAT SERVICES | 5.0★ (56) | 23 mi |
| Bills Service Line | 5.0★ (1) | 10 mi |
| Brutinel Plumbing & Electrical, INC. | 4.2★ (106) | In Casa Grande |
| Clark Brothers Plumbing & HVAC LLC | 4.8★ (56) | 15 mi |
| Hero AC & Heat llc | In Casa Grande | |
| I&R hvac | 5.0★ (1) | In Casa Grande |
| Insta Air llc | 5.0★ (2) | In Casa Grande |
| Kia's Air Conditioning and Heating | In Casa Grande | |
| Krauses Cooling & Heating Inc. | In Casa Grande | |
| Mil-Spec LLC | 4.7★ (23) | 13 mi |
| Owen & Sons HVAC | 4.9★ (22) | 20 mi |
| Polar Experts HVAC | 5.0★ (20) | 25 mi |
| Retreat at Mountain View Ranch by Costa Verde Homes | 2.8★ (5) | In Casa Grande |
| SERVPRO of Casa Grande, Coolidge, Eloy and Maricopa | 4.6★ (22) | In Casa Grande |
| Sun Mechanical Contracting | 5.0★ (1) | In Casa Grande |
| Universal Plumbing And Air Of Queen Creek | 5.0★ (24) | 25 mi |
| Untouchables Heating and Cooling llc | 5.0★ (1) | 10 mi |
| We Fix It Home Services, LLC | 4.6★ (19) | 23 mi |
National price ranges in USD, not adjusted for Casa Grande. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
In Arizona, Arizona Registrar of Contractors licenses Heating, ventilation, air conditioning and refrigeration work.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
In Arizona, air conditioning calls peak in the hottest summer months. Spring is the easiest time to book a tune-up or replacement, before the first heat wave.
We scored 103 Casa Grande HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Casa Grande data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |