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ContractorsRanked

Best HVAC Contractors in Key Biscayne, FL (2026)

743 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Key Biscayne: Direct Air Conditioning, CR Score 91/100; 4.8★ from 2,556 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Sunny Bliss Plumbing & Air, posts 24/7 hours; ranked #2 of 743.

  3. 16

    Most-reviewed: ARS / Rescue Rooter, 2,352 Google reviews at 4.5★, the most of 743 ranked after Direct Air Conditioning; ranked #16.

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

743 Key Biscayne HVAC contractors are ranked here by CR Score, from 8 published factors. 292 are open 24/7, 588 open Saturdays and 470 open Sundays, based on posted hours. The median Google rating is 5.0★ across 743 rated businesses.

Top 10 HVAC contractors in Key Biscayne at a glance

Top 10 HVAC contractors in Key Biscayne at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Direct Air Conditioning914.8★ (2,556)Miami, 15 mi away24/7Overall
2Sunny Bliss Plumbing & Air904.8★ (531)Miami Beach, 7 mi away24/7Emergencies
3TemPros Air Conditioning & Heating, Inc905.0★ (492)Miami, 15 mi away24/7—
4Air Zone Mechanical895.0★ (551)Miami Lakes, 18 mi away24/7—
5Doctor Air Hvac Corp895.0★ (157)Miami, 9 mi away24/7—
6One Hour Air Conditioning & Heating894.8★ (846)Miami, 14 mi away24/7—
7RCI Air Conditioning Company894.9★ (536)Miami, 15 mi away24/7—
8AC Repair and Duct Cleaning Miami895.0★ (92)South Miami Heights, 6 mi away24/7—
9Pollux Air Conditioning894.9★ (555)Miami, 17 mi away24/7—
10Comfort Dynamics Inc895.0★ (95)South Miami Heights, 7 mi away24/7—

The 743 best HVAC contractors in Key Biscayne, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  5. #5 Doctor Air Hvac Corp

    Based in Miami, 9 mi away

    89/100CR Score

    Ranked #5 because of its Google rating and availability: 5.0★ from 157 Google reviews, open 24/7.

    • 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

  20. #20 Argen Air Inc

    Based in Miami, 13 mi away

    87/100CR Score

    Ranked #20 because of its Google rating and availability: 5.0★ from 115 Google reviews, open 24/7.

    • 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

HVAC contractors ranked #26 to #50

#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 743 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Key Biscayne, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Coldlife AC - Air Conditioner Services874.8★ (129)12 mi
27Cool It Air Conditioning Repair875.0★ (39)7 mi
28Weathershield Air Conditioning874.9★ (353)21 mi
29Unit HVAC Solutions875.0★ (75)In Key Biscayne
30David Solutions Air Conditioning875.0★ (63)11 mi
31Miami Electric & Air Conditioning Corp875.0★ (246)22 mi
32Coolest Air Conditioning874.9★ (118)14 mi
33Florida Clean Air Plus875.0★ (575)15 mi
34Arctic Fox Cooling Services, Inc.875.0★ (485)15 mi
35AirFlow Conditioning Services - Miami865.0★ (47)10 mi
36American Thermal Services865.0★ (35)8 mi
37Air On Demand864.9★ (662)14 mi
38ACEXTRA, Inc864.8★ (48)7 mi
39Sunny Bliss Plumbing & Air864.9★ (187)19 mi
40Xelor Air & Heat Corp.864.9★ (95)14 mi
41Coolfort AC Solutions Corp865.0★ (83)16 mi
42SubZero Masters865.0★ (116)19 mi
43Wynwood Air Conditioning and Refrigeration864.8★ (50)8 mi
44Casa Fria HVAC864.8★ (52)9 mi
45Cool Running Air, Inc.864.8★ (188)17 mi
46Jlopez Service Corp865.0★ (68)15 mi
47BH Brothers Air Solutions865.0★ (28)8 mi
48Cool Comfort AC Service & Repair/HVAC865.0★ (77)17 mi
49Freezing Point Air Conditioning864.5★ (189)10 mi
50Shark AC & Refrigeration865.0★ (47)12 mi

Also serving Key Biscayne

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.

Unranked HVAC contractors serving Key Biscayne
BusinessGoogle ratingDistance
A-Max Air Conditioning4.4★ (522)15 mi
Air Conditioning Repair Downtown Miami LLC5.0★ (2)7 mi
AIR Miami LLC5.0★ (2)6 mi
Air Pros (Hollywood)4.6★ (1,007)24 mi
Aircool Miami Services Inc4.8★ (295)21 mi
All in One Repairs LLC5.0★ (2)10 mi
Angel Construction & Remodeling5.0★ (2)7 mi
Contemporary Restaurant Appliances Inc.3.0★ (2)8 mi
COOLVAC AC Repair Pros5.0★ (2)8 mi
Dreamland Duct Cleaning5.0★ (2)8 mi
Erikma Construction Corp.5.0★ (2)7 mi
ExpertCold AC Repairs Miami5.0★ (2)7 mi
FrostFixers AC Repair5.0★ (2)10 mi
Fuentes AC Services5.0★ (2)9 mi
MIAMI A/C FILTERS5.0★ (2)11 mi
Omar & Sons Services, Inc5.0★ (2)7 mi
Quality Breeze Air Conditioning Inc4.8★ (170)17 mi
Same Day Appliance Services3.0★ (2)10 mi
ThermoPro AC Repairs5.0★ (2)5 mi
VAI A.C And HVAC Experts5.0★ (2)10 mi

How much do HVAC contractors cost in Key Biscayne?

National price ranges in USD, not adjusted for Key Biscayne. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Key Biscayne?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 2026

How to check an HVAC contractor's license in Florida

In Florida, Florida Construction Industry Licensing Board (DBPR) licenses Certified or registered air conditioning (CAC, RA) and mechanical (CMC, RM) contractors.

  1. Search the business name or license number on the Florida Construction Industry Licensing Board (DBPR) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

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

When to hire an HVAC contractor in Florida

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.

How we ranked Key Biscayne HVAC contractors

We scored 743 Key Biscayne HVAC contractors on 8 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. Unknown factors are left out of the score, 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Key Biscayne data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

HVAC contractors in Key Biscayne: frequently asked questions

Who is the best HVAC contractor in Key Biscayne?

By CR Score, the highest-ranked HVAC contractor in Key Biscayne, FL is Direct Air Conditioning with a CR Score of 91/100. It has 4.8★ from 2,556 Google reviews. It is open 24/7. Sunny Bliss Plumbing & Air (#2) and TemPros Air Conditioning & Heating, Inc (#3) follow. We ranked 743 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Key Biscayne?

ContractorsRanked ranks 743 HVAC contractors serving Key Biscayne, FL. 1 of them is based in Key Biscayne; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

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

292 ranked HVAC contractors in Key Biscayne post 24/7 hours. The highest-ranked are Direct Air Conditioning (#1), Sunny Bliss Plumbing & Air (#2) and TemPros Air Conditioning & Heating, Inc (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Key Biscayne work on weekends?

588 of 743 ranked HVAC contractors post Saturday hours and 470 post Sunday hours. The highest-ranked open Saturdays are Direct Air Conditioning (#1), Sunny Bliss Plumbing & Air (#2) and TemPros Air Conditioning & Heating, Inc (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in Florida?

In Florida, Florida Construction Industry Licensing Board (DBPR) handles licensing and covers Certified or registered air conditioning (CAC, RA) and mechanical (CMC, RM) contractors. Search the business or license number at https://www.myfloridalicense.com/wl11.asp.

How much does ac replacement cost in Key Biscayne?

AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Key Biscayne. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Key Biscayne HVAC contractors have?

The median Google rating among 743 rated HVAC contractors in Key Biscayne is 5.0★, with a median of 21 reviews. Direct Air Conditioning has the most, 2,556 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in Key Biscayne?

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.

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 HVAC contractors and Key Biscayne pages

Other trades in Key Biscayne