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Emergency HVAC Contractors in Dunedin, FL (2026)

Top 50 of 762 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 Dunedin: Cool Wizard Air Conditioning 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 Dunedin at a glance

Top emergency HVAC contractors in Dunedin at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Cool Wizard Air Conditioning Services654.9★ (691)Dunedin24/7
2Veterans AC & Heat Inc.644.9★ (520)Dunedin24/7
3Vinson Heating & Cooling.644.9★ (925)Palm Harbor, 3 mi away24/7
4Performance Air Conditioning, Electrical & Plumbing644.7★ (3,491)Clearwater, 10 mi away24/7
5Blue Collar Heating & Cooling644.9★ (668)Palm Harbor, 4 mi away24/7
6Veterans AC & Heat Inc.644.9★ (1,522)Tarpon Springs, 9 mi away24/7
7FAST of Florida634.8★ (1,851)Clearwater, 10 mi away24/7
8United Air Conditioning634.9★ (1,327)Largo, 9 mi away24/7
9ACS Home Services- Clearwater634.9★ (458)Clearwater, 4 mi away24/7
10And Services634.6★ (10,363)Tampa, 16 mi away24/7

Call an emergency HVAC contractor in Dunedin 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 Dunedin, 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 762 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.

  7. #7 FAST of Florida

    Based in Clearwater, 10 mi away

    63/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.8★ from 1,851 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,851 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13101 56th Ct N # 813, Clearwater, FL 33760
    View profile for FAST of Florida(727) 273-7810

  10. #10 And Services

    Based in Tampa, 16 mi away

    63/100CR Score

    Ranked #10 because of its Google rating and review volume: 4.6★ from 10,363 Google reviews.

    • 4.6★ from 10,363 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5010 N Cortez Ave, Tampa, FL 33614
    View profile for And Services(813) 445-4818

  13. #13 Pleasant AC

    Based in Clearwater, 9 mi away

    63/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,065 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,065 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13831 US Hwy 19 N, Clearwater, FL 33764
    View profile for Pleasant AC(727) 510-2032

  14. #14 ARS / Rescue Rooter

    Based in St. Petersburg, 11 mi away

    63/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.5★ from 4,066 Google reviews, listed on Google as “HVAC contractor”.

    • 4.5★ from 4,066 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3340 Scherer Dr Suites A&B, St. Petersburg, FL 33716
    View profile for ARS / Rescue Rooter(813) 626-4552

  18. #18 Paradise Air Inc

    Based in Largo, 8 mi away

    63/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 608 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 608 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1590 Seminole Blvd, Largo, FL 33770
    View profile for Paradise Air Inc(727) 365-2694

Top 50 of 762 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 Dunedin, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26R.J. Kielty Plumbing, Air Conditioning and Electric, Inc.624.8★ (3,023)17 mi
27Rolando's H.V.A.C.624.9★ (1,561)15 mi
28Weathermakers624.9★ (153)2 mi
29Superior Heating and Cooling Management., Inc.624.5★ (1,062)7 mi
30L&R Air Conditioning and Refrigeration Inc625.0★ (499)11 mi
31Cox Heating & Air Conditioning624.5★ (381)3 mi
32Comfort Airz Heating & Cooling625.0★ (1,752)18 mi
33Smart Heating & Cooling624.9★ (929)14 mi
34Total Air Inc.624.8★ (1,765)16 mi
35Air Bros Air Conditioning & Electrical625.0★ (1,246)18 mi
36Blue Collar Heating & Cooling624.9★ (299)8 mi
37MASON AIR CONDITIONING & HEATING INC614.9★ (538)12 mi
38Acree Plumbing, Air & Electric614.6★ (10,345)24 mi
39Weathermakers, Inc.614.8★ (409)10 mi
40Pleasant Air Conditioning and Electrical Inc.614.9★ (137)5 mi
41Gulf Coast Heating & AC, LLC614.9★ (604)14 mi
42Momentum AC & Electric614.9★ (1,288)18 mi
43Red Cap Plumbing, Air & Electric614.7★ (6,994)25 mi
44Justin Time llc615.0★ (45)In Dunedin
45Hales AC614.7★ (857)14 mi
46Sun Up Services (Cooling & Heating)614.9★ (187)8 mi
47ACE Heating & Cooling614.8★ (651)14 mi
48ACS Home Services- Tampa Air Conditioning Repair614.7★ (2,756)20 mi
49B&B Professional Plumbing & Air614.7★ (175)6 mi
50Caliber Heating & Cooling LLC615.0★ (211)10 mi

How we ranked emergency HVAC contractors in Dunedin

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 Dunedin: questions

Which HVAC contractors in Dunedin are open 24/7?

25 on this list post 24/7 hours, including Cool Wizard Air Conditioning Services, Veterans AC & Heat Inc., Vinson Heating & Cooling., Performance Air Conditioning, Electrical & Plumbing and Blue Collar Heating & Cooling.

Who is ranked #1 for emergency heating and cooling in Dunedin, FL?

Cool Wizard Air Conditioning Services is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Dunedin 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?

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

Update log for Dunedin

  1. October 2026: CR Scores recalculated for 762 hvac contractors serving Dunedin.
  2. October 2026: 5 duplicate listings merged.

More emergency and heating and cooling pages