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Emergency HVAC Contractors in Key Biscayne, FL (2026)

Top 50 of 743 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 Key Biscayne: Direct Air Conditioning, 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 Key Biscayne at a glance

Top emergency HVAC contractors in Key Biscayne at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Direct Air Conditioning644.8★ (2,556)Miami, 15 mi away24/7
2Sunny Bliss Plumbing & Air634.8★ (531)Miami Beach, 7 mi away24/7
3ARS / Rescue Rooter624.5★ (2,352)Doral, 15 mi away24/7
4One Hour Air Conditioning & Heating624.8★ (846)Miami, 14 mi away24/7
5Air On Demand624.9★ (662)Miami, 14 mi away24/7
6Freezing Mechanical624.7★ (1,379)Miami Gardens, 18 mi away24/7
7TemPros Air Conditioning & Heating, Inc625.0★ (492)Miami, 15 mi away24/7
8RCI Air Conditioning Company624.9★ (536)Miami, 15 mi away24/7
9Doctor Air Hvac Corp615.0★ (157)Miami, 9 mi away24/7
10Emergency AC Corp614.8★ (1,148)Miami, 19 mi away24/7

Call an emergency HVAC contractor in Key Biscayne 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 Key Biscayne, 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 743 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 Key Biscayne

    #1 Direct Air Conditioning

    Based in Miami, 15 mi away

    64/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 2,556 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,556 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12200 SW 129th Ct, Miami, FL 33186
    View profile for Direct Air Conditioning(786) 884-5021

  3. #3 ARS / Rescue Rooter

    Based in Doral, 15 mi away

    62/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.5★ from 2,352 Google reviews, listed on Google as “HVAC contractor”.

    • 4.5★ from 2,352 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10400 NW 33rd St Ste 130, Doral, FL 33172
    View profile for ARS / Rescue Rooter(305) 239-6994

  5. #5 Air On Demand

    Based in Miami, 14 mi away

    62/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 662 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 662 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10682 SW 186th St, Miami, FL 33157
    View profile for Air On Demand(305) 259-5669

  6. #6 Freezing Mechanical

    Based in Miami Gardens, 18 mi away

    62/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.7★ from 1,379 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 1,379 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4808 NW 167th St, Miami Gardens, FL 33014
    View profile for Freezing Mechanical(305) 363-7021

  9. #9 Doctor Air Hvac Corp

    Based in Miami, 9 mi away

    61/100CR Score

    Ranked #9 because of its Google rating and trade focus: 5.0★ from 157 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 157 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4850 nw 4 terrace 7440 n kendall drive miami fl 33156 1003 sw 142nd pl miami fl 33184, 4850 NW 4th Terrace, Miami, FL 33126
    View profile for Doctor Air Hvac Corp(786) 367-3152

  10. #10 Emergency AC Corp

    Based in Miami, 19 mi away

    61/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.8★ from 1,148 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,148 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    20725 NE 16th Ave A6, Miami, FL 33179
    View profile for Emergency AC Corp(833) 514-1414

  12. #12 Air Zone Mechanical

    Based in Miami Lakes, 18 mi away

    61/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 551 Google reviews, listed on Google as “Air conditioning contractor”.

    • 5.0★ from 551 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    16600 NW 54th Ave Unit 3, Miami Lakes, FL 33014
    View profile for Air Zone Mechanical(305) 556-7667

  23. #23 Chillionaire HVAC

    Based in Miami, 12 mi away

    60/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 99 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 99 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6400 SW 99th Ave, Miami, FL 33173
    View profile for Chillionaire HVAC(786) 904-3080

  25. #25 Argen Air Inc

    Based in Miami, 13 mi away

    60/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 115 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 115 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11180 SW 74th Terrace, Miami, FL 33173
    View profile for Argen Air Inc(786) 875-7500

Top 50 of 743 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 Key Biscayne, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26A-Max Air Conditioning604.4★ (522)15 mi
27Cool It Air Conditioning Repair605.0★ (39)7 mi
28Ocean Plumbing and Air605.0★ (107)14 mi
29ACEXTRA, Inc594.8★ (48)7 mi
30MARTIN AIR AND HEATING LLC595.0★ (201)19 mi
31Weathershield Air Conditioning594.9★ (353)21 mi
32Dadeland HVAC Solutions595.0★ (52)10 mi
33Coolest Air Conditioning594.9★ (118)14 mi
34David Solutions Air Conditioning595.0★ (63)11 mi
35Wynwood Air Conditioning and Refrigeration594.8★ (50)8 mi
36AirFlow Conditioning Services - Miami595.0★ (47)10 mi
37American Thermal Services595.0★ (35)8 mi
38Casa Fria HVAC594.8★ (52)9 mi
39Air Pros (Hollywood)594.6★ (1,007)24 mi
40Cool Running Air, Inc.594.8★ (188)17 mi
41Xelor Air & Heat Corp.594.9★ (95)14 mi
42Sunny Bliss Plumbing & Air594.9★ (187)19 mi
43Quality Breeze Air Conditioning Inc594.8★ (170)17 mi
44Cool Breeze Air Conditioning594.6★ (181)15 mi
45ECO AC Repair Miami594.6★ (313)19 mi
46Miami Electric & Air Conditioning Corp595.0★ (246)22 mi
47Aircool Miami Services Inc594.8★ (295)21 mi
48Alfresco Air594.4★ (32)6 mi
49BH Brothers Air Solutions595.0★ (28)8 mi
50Coolfort AC Solutions Corp595.0★ (83)16 mi

How we ranked emergency HVAC contractors in Key Biscayne

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 Key Biscayne: questions

Which HVAC contractors in Key Biscayne are open 24/7?

25 on this list post 24/7 hours, including Direct Air Conditioning, Sunny Bliss Plumbing & Air, ARS / Rescue Rooter, One Hour Air Conditioning & Heating and Air On Demand.

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

Direct Air Conditioning is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Key Biscayne 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 Key Biscayne

  1. October 2026: CR Scores recalculated for 743 hvac contractors serving Key Biscayne.
  2. October 2026: 4 duplicate listings merged.

More emergency and heating and cooling pages