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Emergency HVAC Contractors in St. Johns, FL (2026)

Top 50 of 249 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

If you smell gas, leave the building now and call your gas utility or 911 from outside.

The short answer

  1. 1

    #1 for emergency heating and cooling in St. Johns: Fenwick Home Services, open 24/7.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

Top emergency HVAC contractors in St. Johns at a glance

Top emergency HVAC contractors in St. Johns at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Fenwick Home Services664.8★ (4,601)Jacksonville, 5 mi away24/7
2Waychoff's Air Conditioning664.8★ (5,272)Jacksonville, 6 mi away24/7
3J&W Heating and Air & Plumbing664.9★ (5,550)Jacksonville, 9 mi away24/7
4Griffin Service664.8★ (3,183)Ponte Vedra Beach, 5 mi away24/7
5Service Experts Jacksonville654.9★ (3,810)Jacksonville, 9 mi away24/7
6Air McCall654.9★ (1,470)Jacksonville, 5 mi away24/7
7Air Doctors Heating And Cooling Inc645.0★ (648)Fruit Cove, 4 mi away24/7
8AC Designs Heating and Air Conditioning644.8★ (2,372)Jacksonville, 9 mi away24/7
9Bold City Heating & Air644.9★ (1,931)Jacksonville, 10 mi away24/7
10Del-Air Heating & Air Conditioning644.8★ (4,161)Jacksonville, 13 mi away24/7

Call an emergency HVAC contractor in St. Johns now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency HVAC contractors in St. Johns, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 249 is on the HVAC contractors page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in St. Johns

    #1 Fenwick Home Services

    Based in Jacksonville, 5 mi away

    66/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 4,601 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 4,601 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11623 Columbia Park Dr E, Jacksonville, FL 32258
    View profile for Fenwick Home Services(904) 602-8824

  4. #4 Griffin Service

    Based in Ponte Vedra Beach, 5 mi away

    66/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.8★ from 3,183 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 3,183 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10895 Old Dixie Hwy Suite 1, Ponte Vedra Beach, FL 32081
    View profile for Griffin Service(904) 245-1130

  6. #6 Air McCall

    Based in Jacksonville, 5 mi away

    65/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 1,470 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,470 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6662 Columbia Park Dr S suite 1, Jacksonville, FL 32258
    View profile for Air McCall(904) 682-9522

  9. #9 Bold City Heating & Air

    Based in Jacksonville, 10 mi away

    64/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.9★ from 1,931 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,931 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8400 Baymeadows Way Suite 1, Jacksonville, FL 32256
    View profile for Bold City Heating & Air(904) 379-1648

  12. #12 Von's Heating and Air

    Based in Orange Park, 13 mi away

    63/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.9★ from 2,036 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 2,036 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2815 Bolton Rd B, Orange Park, FL 32073
    View profile for Von's Heating and Air(904) 621-2953

  14. #14 Elite AC

    Based in Jacksonville, 13 mi away

    63/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.8★ from 2,277 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,277 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6060 Chester Cir, Jacksonville, FL 32217
    View profile for Elite AC(904) 420-0075

  17. #17 Advantech Air

    Based in Jacksonville, 4 mi away

    62/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 112 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 112 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6211 Jamison Ct, Jacksonville, FL 32258
    View profile for Advantech Air(904) 325-9007

  18. #18 Vent Kings Florida

    Based in Fruit Cove, 6 mi away

    62/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 172 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 172 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    24 Wards Ravine Wy, St Johns, FL 32259
    View profile for Vent Kings Florida

  20. #20 Von's

    Based in Jacksonville, 7 mi away

    62/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.9★ from 209 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 209 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12276 San Jose Blvd #307-B, Jacksonville, FL 32223
    View profile for Von's(904) 977-3530

  21. #21 AAA AC ASSOCIATES LLC

    Based in Palm Valley, 10 mi away

    62/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.9★ from 300 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 300 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    352 Enrede Ln, St. Augustine, FL 32095
    View profile for AAA AC ASSOCIATES LLC(904) 271-5090

  23. #23 Willman Air

    Based in Jacksonville, 17 mi away

    61/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 778 Google reviews, listed on Google as “Air conditioning repair service”.

    • 5.0★ from 778 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13140 Tamarisk Ct, Jacksonville, FL 32246
    View profile for Willman Air(904) 568-7371

Top 50 of 249 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

HVAC contractors in St. Johns, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Hallco615.0★ (343)14 mi
27Wright Brothers Heating and Air Conditioning615.0★ (58)3 mi
28Greener Solutions Air Conditioning Services Inc614.9★ (213)11 mi
29United Air Temp604.6★ (644)14 mi
30Hammond Heating & Air Conditioning of Middleburg, FL604.9★ (221)13 mi
31Ideal Conditions Heating & Air Conditioning604.9★ (1,098)23 mi
32Powell Heating & Air Conditioning, Inc.605.0★ (624)21 mi
33Wilson Heating & Air Conditioning, Inc.604.9★ (410)18 mi
34CrossWinds Heating & Air LLC605.0★ (115)12 mi
35Air Doctors Heating & Cooling Inc.604.9★ (87)10 mi
36Connections Inc.594.8★ (575)20 mi
37All Set Heating, Air And Plumbing of Middleburg595.0★ (119)14 mi
38Charlie's Tropic594.9★ (330)19 mi
39Lloyd's Heating And Air594.8★ (35)5 mi
40VETAIR Heating & Air Conditioning595.0★ (20)4 mi
41David Gray Electrical, Plumbing, Heating & Air594.8★ (397)20 mi
42Advanced Air Home Services594.5★ (83)9 mi
43Superior Service594.9★ (233)19 mi
44Bartram Air585.0★ (43)12 mi
45STA AIR L.L.C.585.0★ (43)12 mi
46CABRERA & SONS SERVICES584.8★ (114)16 mi
47Flow Solutions Inc584.5★ (72)11 mi
48Glacier Heating and Air Conditioning584.9★ (218)20 mi
49AC Bee’s585.0★ (10)4 mi
50Air-Masters HVAC Mechanical Services584.3★ (28)6 mi

How we ranked emergency HVAC contractors in St. Johns

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency HVAC contractors in St. Johns: questions

Which HVAC contractors in St. Johns are open 24/7?

25 on this list post 24/7 hours, including Fenwick Home Services, Waychoff's Air Conditioning, J&W Heating and Air & Plumbing, Griffin Service and Service Experts Jacksonville.

Who is ranked #1 for emergency heating and cooling in St. Johns, FL?

Fenwick Home Services is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in St. Johns ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the HVAC contractor arrives?

If you smell gas, leave the building now and call your gas utility or 911 from outside.

How many emergency HVAC contractors here list a phone number?

24 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for St. Johns

  1. October 2026: CR Scores recalculated for 249 hvac contractors serving St. Johns.
  2. October 2026: 4 duplicate listings merged.

More emergency and heating and cooling pages