249 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in St. Johns: Fenwick Home Services, CR Score 66/100; 4.8★ from 4,601 Google reviews; open 24/7.
Best for emergencies (open 24/7): Waychoff's Air Conditioning, posts 24/7 hours; ranked #2 of 249.
Most-reviewed: Donovan Air, Electric & Plumbing, 7,203 Google reviews at 4.9★, the most of 249 ranked; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
249 St. Johns HVAC contractors are ranked here by CR Score, from ten published factors. 87 are open 24/7, 172 open Saturdays and 144 open Sundays, based on posted hours. The median Google rating is 4.9★ across 249 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Fenwick Home Services | 66 | 4.8★ (4,601) | Jacksonville, 5 mi away | 24/7 | Overall |
| 2 | Waychoff's Air Conditioning | 66 | 4.8★ (5,272) | Jacksonville, 6 mi away | 24/7 | Emergencies |
| 3 | J&W Heating and Air & Plumbing | 66 | 4.9★ (5,550) | Jacksonville, 9 mi away | 24/7 | — |
| 4 | Griffin Service | 65 | 4.8★ (3,183) | Ponte Vedra Beach, 5 mi away | 24/7 | — |
| 5 | Service Experts Jacksonville | 65 | 4.9★ (3,810) | Jacksonville, 9 mi away | 24/7 | — |
| 6 | Air McCall | 65 | 4.9★ (1,470) | Jacksonville, 5 mi away | 24/7 | — |
| 7 | Air Doctors Heating And Cooling Inc | 64 | 5.0★ (648) | Fruit Cove, 4 mi away | 24/7 | — |
| 8 | Bold City Heating & Air | 64 | 4.9★ (1,931) | Jacksonville, 10 mi away | 24/7 | — |
| 9 | AC Designs Heating and Air Conditioning | 64 | 4.8★ (2,372) | Jacksonville, 9 mi away | 24/7 | — |
| 10 | Whitleys Heating and Air LLC | 64 | 4.9★ (736) | Jacksonville, 6 mi away | 24/7 | — |
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: 4.8★ from 4,601 Google reviews, listed on Google as “HVAC contractor”.
Based in Jacksonville, 6 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 5,272 Google reviews, listed on Google as “HVAC contractor”.
Based in Jacksonville, 9 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 5,550 Google reviews, listed on Google as “HVAC contractor”.
Based in Ponte Vedra Beach, 5 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 3,183 Google reviews, listed on Google as “HVAC contractor”.
Based in Jacksonville, 9 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 3,810 Google reviews, listed on Google as “HVAC contractor”.
Based in Jacksonville, 5 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 1,470 Google reviews, listed on Google as “HVAC contractor”.
Based in Fruit Cove, 4 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 648 Google reviews, listed on Google as “HVAC contractor”.
Based in Jacksonville, 10 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 1,931 Google reviews, listed on Google as “HVAC contractor”.
Based in Jacksonville, 9 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 2,372 Google reviews, listed on Google as “HVAC contractor”.
Based in Jacksonville, 6 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 736 Google reviews, listed on Google as “HVAC contractor”.
Based in Jacksonville, 13 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 4,161 Google reviews, listed on Google as “HVAC contractor”.
Based in Orange Park, 13 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 2,036 Google reviews, listed on Google as “HVAC contractor”.
Based in Jacksonville, 9 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 802 Google reviews, listed on Google as “HVAC contractor”.
Based in Jacksonville, 13 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 2,277 Google reviews, listed on Google as “HVAC contractor”.
Based in Jacksonville Beach, 17 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 5,201 Google reviews, listed on Google as “Air conditioning repair service”.
Based in Jacksonville Beach, 17 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 7,203 Google reviews, the most in St. Johns.
Based in Jacksonville, 6 mi away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 1,000 Google reviews, listed on Google as “HVAC contractor”.
Based in Saint Augustine, 19 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 2,648 Google reviews, listed on Google as “Air conditioning repair service”.
Based in Saint Augustine, 10 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 2,699 Google reviews, listed on Google as “HVAC contractor”.
Based in Fruit Cove, 6 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 172 Google reviews, listed on Google as “HVAC contractor”.
Based in Jacksonville, 4 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 112 Google reviews, listed on Google as “HVAC contractor”.
Based in Jacksonville, 7 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 209 Google reviews, listed on Google as “HVAC contractor”.
Based in Jacksonville, 17 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 778 Google reviews, listed on Google as “Air conditioning repair service”.
Based in Fruit Cove, 7 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 386 Google reviews, listed on Google as “HVAC contractor”.
Based in Green Cove Springs, 16 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 636 Google reviews, listed on Google as “Air conditioning repair service”.
#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 249 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 |
|---|---|---|
| A Degree Above | 5.0★ (2) | 19 mi |
| Absolute Comfort Heating & Air | 5.0★ (2) | 10 mi |
| AC All Stars Jax | 5.0★ (2) | 12 mi |
| Air Oasis | 1.0★ (1) | 13 mi |
| AJAX Heating and Air | 3.0★ (2) | 20 mi |
| Automated Control Engineers, Inc. | 5.0★ (1) | 7 mi |
| Callahan Pro Heating & Air | 5.0★ (2) | 24 mi |
| Connections Inc. | 4.8★ (575) | 20 mi |
| Cool AC Guys Inc. | 5.0★ (2) | 20 mi |
| Custom Heating and Air of Florida, LLC | 5.0★ (2) | 18 mi |
| Forman Heating and Air | 1.0★ (1) | 11 mi |
| Glacier Heating and Air Conditioning | 4.9★ (218) | 20 mi |
| Island Ac South Llc | 4.0★ (1) | 10 mi |
| JLR Air Conditioning Services LLC | 5.0★ (1) | 12 mi |
| Lloyd's Heating And Air | 4.8★ (35) | 5 mi |
| Morton Danny Heating & AC Inc | 5.0★ (2) | 13 mi |
| ONE STEP AIR LLC | 5.0★ (1) | 12 mi |
| Premier Refrigeration | 5.0★ (2) | 12 mi |
| STA AIR L.L.C. | 5.0★ (43) | 12 mi |
| Superior Service | 4.9★ (233) | 19 mi |
National price ranges in USD, not adjusted for St. Johns. 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 Florida, Florida Construction Industry Licensing Board (DBPR) licenses Certified or registered air conditioning (CAC, RA) and mechanical (CMC, RM) contractors.
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 Florida, 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 249 St. Johns 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 St. Johns 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 |