925 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Foothill Ranch: Air Care, CR Score 66/100; 5.0★ from 1,350 Google reviews; open 24/7.
Best for emergencies (open 24/7): NexGen HVAC & Plumbing, posts 24/7 hours; ranked #2 of 925.
Most-reviewed: Absolute Airflow Air Conditioning, Heating and Plumbing, 4,319 Google reviews at 4.8★, the most of 925 ranked; ranked #22.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
925 Foothill Ranch HVAC contractors are ranked here by CR Score, from ten published factors. 328 are open 24/7, 726 open Saturdays and 498 open Sundays, based on posted hours. The median Google rating is 4.9★ across 925 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Air Care | 66 | 5.0★ (1,350) | Rancho Santa Margarita, 5 mi away | 24/7 | Overall |
| 2 | NexGen HVAC & Plumbing | 66 | 4.8★ (3,589) | Laguna Hills, 6 mi away | 24/7 | Emergencies |
| 3 | Triton Air & Plumbing | 65 | 4.8★ (1,069) | Lake Forest, 2 mi away | 24/7 | — |
| 4 | White Mechanical, Inc. | 65 | 4.9★ (478) | Foothill Ranch | 24/7 | — |
| 5 | SoCal Airflow Pros | 65 | 4.9★ (1,005) | Rancho Santa Margarita, 5 mi away | 24/7 | — |
| 6 | John Stevenson Plumbing, Heating & Air Conditioning | 65 | 4.9★ (680) | Lake Forest, 3 mi away | 24/7 | — |
| 7 | Just Right Services | 64 | 4.9★ (846) | Laguna Hills, 6 mi away | 24/7 | — |
| 8 | Triton Air | 64 | 4.9★ (3,766) | San Clemente, 16 mi away | 24/7 | — |
| 9 | Dial One Sonshine Heating, Air & Plumbing | 64 | 4.9★ (2,852) | Santa Ana, 15 mi away | 24/7 | — |
| 10 | Mission Viejo Heating & Air | 64 | 5.0★ (907) | Lake Forest, 5 mi away | Sat · Sun | — |
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: 5.0★ from 1,350 Google reviews, listed on Google as “HVAC contractor”.
Based in Laguna Hills, 6 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 3,589 Google reviews, listed on Google as “HVAC contractor”.
Based in Lake Forest, 2 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 1,069 Google reviews, listed on Google as “HVAC contractor”.
Based in Foothill Ranch
Ranked #4 because of its Google rating and trade focus: 4.9★ from 478 Google reviews, listed on Google as “HVAC contractor”.
Based in Rancho Santa Margarita, 5 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 1,005 Google reviews, listed on Google as “HVAC contractor”.
Based in Lake Forest, 3 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 680 Google reviews, listed on Google as “HVAC contractor”.
Based in Laguna Hills, 6 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 846 Google reviews, listed on Google as “HVAC contractor”.
Based in San Clemente, 16 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 3,766 Google reviews, listed on Google as “HVAC contractor”.
Based in Santa Ana, 15 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 2,852 Google reviews, listed on Google as “HVAC contractor”.
Based in Lake Forest, 5 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 907 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 13 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 4,107 Google reviews, listed on Google as “HVAC contractor”.
Based in Lake Forest, 1 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 189 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 3,741 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 14 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 1,325 Google reviews, listed on Google as “HVAC contractor”.
Based in Anaheim, 16 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 2,813 Google reviews, listed on Google as “HVAC contractor”.
Based in Orange, 14 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 1,840 Google reviews, listed on Google as “HVAC contractor”.
Based in Corona, 14 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,213 Google reviews, listed on Google as “HVAC contractor”.
Based in Costa Mesa, 15 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 1,328 Google reviews, listed on Google as “HVAC contractor”.
Based in Dana Point, 11 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 490 Google reviews, listed on Google as “HVAC contractor”.
Based in Anaheim, 14 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 2,250 Google reviews, listed on Google as “HVAC contractor”.
Based in Anaheim, 14 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 1,899 Google reviews, listed on Google as “HVAC contractor”.
Based in Westminster, 21 mi away
Ranked #22 because of its Google rating and review volume: 4.8★ from 4,319 Google reviews, the most in Foothill Ranch.
Based in Anaheim, 15 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 995 Google reviews, listed on Google as “HVAC contractor”.
Based in Lake Elsinore, 7 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 173 Google reviews, listed on Google as “HVAC contractor”.
Based in Yorba Linda, 15 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 764 Google reviews, listed on Google as “Air conditioning contractor”.
#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 925 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 |
|---|---|---|
| 24Seven Heating and Cooling | 5.0★ (2) | 11 mi |
| A-Ames Plumbing & Heating, Corp, | 5.0★ (2) | 10 mi |
| ACCO Engineered Systems | 5.0★ (2) | 12 mi |
| Advanced Comfort Solutions, Inc. | 3.0★ (2) | 7 mi |
| ADVANTAGE HVAC | 3.5★ (2) | 6 mi |
| Affordable Air Conditioning & Heating | 3.0★ (2) | 10 mi |
| All Star Electrical Heating & Cooling | 5.0★ (2) | 8 mi |
| Amir's Design | 5.0★ (2) | 11 mi |
| And heating and Air Conditionig | 3.0★ (2) | 12 mi |
| Andrassy Construction | In Foothill Ranch | |
| Chill Out Air Conditioning | 5.0★ (2) | 8 mi |
| Circle Airflow Heating And Air Conditioning. | 5.0★ (2) | 6 mi |
| Coastline Comfort Systems - Heating and Cooling | 5.0★ (67) | 8 mi |
| Cool City | 5.0★ (2) | 5 mi |
| Heating & Air Conditioning | 5.0★ (2) | 7 mi |
| Henley's Plumbing & Air | 4.8★ (316) | 14 mi |
| LA HVAC Expert Inc - Air Conditioning & Heating Service Orange County | 5.0★ (2) | 9 mi |
| Pacific Comfort HVAC | 5.0★ (2) | 9 mi |
| Santa Ana Air Conditioning & HVAC | 5.0★ (2) | 12 mi |
| Williams Mechanical Heating & Air Conditioning | 3.0★ (2) | 4 mi |
National price ranges in USD, not adjusted for Foothill Ranch. 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 California, Contractors State License Board (CSLB) licenses C-20 Warm-Air Heating, Ventilating and Air-Conditioning contractor license.
Jobs of $1,000 or more in labor and materials (from January 1, 2025).
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
California's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.
We scored 925 Foothill Ranch 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 Foothill Ranch 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 |