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Emergency HVAC Contractors in Lockhart, FL (2026)

Top 50 of 795 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 Lockhart: Frank Gay Residential 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 Lockhart at a glance

Top emergency HVAC contractors in Lockhart at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Frank Gay Residential Services664.6★ (8,222)Orlando, 3 mi away24/7
2Cool Today - Cooling, Plumbing, Electrical664.8★ (4,827)Altamonte Springs, 5 mi away24/7
3Mechanical One655.0★ (2,454)Altamonte Springs, 4 mi away24/7
4Mills Air Inc654.7★ (2,318)Orlando, 2 mi away24/7
5Rainaldi Home Services654.8★ (5,502)Orlando, 9 mi away24/7
6Frank Gay Services654.7★ (12,806)Orlando, 13 mi away24/7
7ABC Air Conditioning & Heating Specialist644.9★ (1,222)Orlando, 4 mi away24/7
8ACR Air Conditioning & Refrigeration644.9★ (770)Apopka, 3 mi away24/7
9American Air, Plumbing, and Electrical644.9★ (8,447)Sanford, 15 mi away24/7
10Our Place Air & Home Repair644.8★ (2,062)Orlando, 6 mi away24/7

Call an emergency HVAC contractor in Lockhart 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 Lockhart, 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 795 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.

  3. #3 Mechanical One

    Based in Altamonte Springs, 4 mi away

    65/100CR Score

    Ranked #3 because of its Google rating and trade focus: 5.0★ from 2,454 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 2,454 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    217 N Westmonte Dr #1007, Altamonte Springs, FL 32714
    View profile for Mechanical One(407) 220-1780

  4. #4 Mills Air Inc

    Based in Orlando, 2 mi away

    65/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.7★ from 2,318 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 2,318 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6502 Forest City Rd, Orlando, FL 32810
    View profile for Mills Air Inc(407) 277-1159

  12. #12 Belle Air

    Based in Orlando, 8 mi away

    64/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.9★ from 1,733 Google reviews, listed on Google as “Heating contractor”.

    • 4.9★ from 1,733 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    379 W Michigan St Ste 200, Orlando, FL 32806
    View profile for Belle Air(407) 543-2050

  16. #16 Clear Comfort

    Based in Horizon West, 8 mi away

    63/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 1,046 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 1,046 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Clear Comfort(407) 408-0776

  19. #19 United Air Temp

    Based in Lockhart

    63/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.8★ from 298 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 298 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6233 Edgewater Dr, Lockhart, FL 32810
    View profile for United Air Temp(407) 426-4119

  24. #24 Mechanical One

    Based in Altamonte Springs, 5 mi away

    62/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 293 Google reviews, listed on Google as “Air conditioning contractor”.

    • 5.0★ from 293 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    307 Cranes Roost Blvd #2010, Altamonte Springs, FL 32701
    View profile for Mechanical One(407) 439-0998

Top 50 of 795 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 Lockhart, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Swift Brothers Plumbing, Heating & Air624.8★ (302)3 mi
27Del-Air Heating, Air Conditioning, Plumbing and Electrical624.7★ (4,592)16 mi
28AC's Heating & Air625.0★ (128)1 mi
29Benzah Vent Cleaning LLC625.0★ (236)5 mi
30Del-Air Heating, Air Conditioning, Plumbing and Electrical624.5★ (5,225)15 mi
31Pro-Tech Air Conditioning & Plumbing Service624.6★ (981)8 mi
32Bob Heinmiller Air Conditioning Inc624.6★ (439)4 mi
33Greens Energy HVAC & Fuel624.7★ (954)11 mi
34QUICK AIR USA - AC Services614.9★ (195)5 mi
35Carpenter’s Cooling, LLC615.0★ (435)11 mi
36E&G HVAC services614.8★ (532)10 mi
37Gembecki Mechanical Services, Inc.614.9★ (345)9 mi
38High Tech Air Conditioning615.0★ (268)9 mi
39COLD ELECTRIC 2005 LLC615.0★ (152)6 mi
40Elevate Air Conditioning & Heating615.0★ (173)7 mi
41Infinite Air HVAC & AC Repair Lake Mary615.0★ (266)10 mi
42AND Services614.6★ (273)5 mi
43Facemyer Air Conditioning and Heating614.9★ (865)15 mi
44Alpha Comfort Design, Inc.614.9★ (87)3 mi
45Pro-Tech Air Conditioning & Plumbing Service, Inc614.9★ (1,125)17 mi
46A-1 HEAT & AIR INC614.6★ (249)5 mi
47Energy Air, Inc.614.2★ (246)1 mi
48R & A Industries614.9★ (603)14 mi
49A/C HVAC and Air Conditioning Experts Orlando615.0★ (73)3 mi
50AC's Heating & Air LLC614.8★ (111)4 mi

How we ranked emergency HVAC contractors in Lockhart

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 Lockhart: questions

Which HVAC contractors in Lockhart are open 24/7?

25 on this list post 24/7 hours, including Frank Gay Residential Services, Cool Today - Cooling, Plumbing, Electrical, Mechanical One, Mills Air Inc and Rainaldi Home Services.

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

Frank Gay Residential Services is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Lockhart 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 Lockhart

  1. October 2026: CR Scores recalculated for 795 hvac contractors serving Lockhart.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages