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Emergency HVAC Contractors in London, OH (2026)

Top 50 of 118 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 London: Logan Services A/C, Heat & Plumbing, 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 London at a glance

Top emergency HVAC contractors in London at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Logan Services A/C, Heat & Plumbing614.8★ (4,218)Columbus, 19 mi away24/7
2Columbus Worthington Air614.8★ (6,482)Columbus, 25 mi away24/7
3Airtron Heating & Air Conditioning604.9★ (1,421)Columbus, 19 mi away24/7
4CJS Heating and Air604.8★ (1,300)Columbus, 19 mi away24/7
5Eco Plumbers, Electricians, and HVAC Technicians604.9★ (19,870)Hilliard, 19 mi away24/7
6American Air Heating Cooling Electric & Plumbing594.8★ (673)Hilliard, 18 mi away24/7
7Stevenson Service Experts594.8★ (742)Columbus, 19 mi away24/7
8Bassett Services: Heating, Cooling, Plumbing, & Electrical594.7★ (745)Columbus, 19 mi away24/7
9Fast Response Heating & Cooling594.4★ (1,700)Grove City, 19 mi away24/7
10Buckeye Heating, Cooling & Plumbing594.9★ (368)Grove City, 19 mi away24/7

Call an emergency HVAC contractor in London 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 London, 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 118 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.

  4. #4 CJS Heating and Air

    Based in Columbus, 19 mi away

    60/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.8★ from 1,300 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.8★ from 1,300 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2218 Dividend Dr, Columbus, OH 43228
    View profile for CJS Heating and Air(614) 333-8865

  21. #21 Komodo Hvac

    Based in Beavercreek, 12 mi away

    56/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 16 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Komodo Hvac(513) 804-7001

  22. #22 TemperaturePro

    Based in Columbus, 25 mi away

    56/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.9★ from 182 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 182 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2604 Billingsley Rd, Columbus, OH 43235
    View profile for TemperaturePro(614) 389-3283

  23. #23 All-Knight, Inc.

    Based in Columbus, 20 mi away

    56/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.6★ from 63 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 63 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    735 N Wilson Rd, Columbus, OH 43204
    View profile for All-Knight, Inc.(614) 771-9902

Top 50 of 118 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 London, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26AC Service Company554.8★ (57)24 mi
27Carpenter Mechanical, LLC554.7★ (57)24 mi
28Dill Mechanical545.0★ (11)18 mi
29The Waterworks Plumbing, Drain, Heating & Cooling544.8★ (469)22 mi
30Custom Air Conditioning and Heating Co.545.0★ (18)22 mi
31KNOW Ltd544.5★ (48)24 mi
32Restaurant Services LLC544.8★ (17)21 mi
33United Refrigeration Service Inc544.7★ (15)21 mi
34Air Solutions545.0★ (8)19 mi
35Specialty Heating LLC534.2★ (5)17 mi
36JB Huston Mechanical Company535.0★ (16)24 mi
37American Air Heating Cooling Electric & Plumbing534.8★ (11)25 mi
38Hubbs Heating & Air524.5★ (6)22 mi
39Perry's Heating & Cooling523.1★ (15)21 mi
40PTI Electric, Plumbing, & HVAC504.8★ (19)24 mi
41Best Bet Home Solutions484.9★ (17)22 mi
42Direct Mechanical471.0★ (4)In London
43Gillivan Plumbing & Electric463.7★ (3)19 mi
44Ameritron Heating & Air Conditioning435.0★ (8)20 mi
45Long's Plumbing-Heating & Cool432.8★ (25)In London
46T&J Heating and Air Conditioning435.0★ (19)25 mi
47Command Heating, Inc.424.2★ (11)21 mi
48Barr's Heating & Cooling424.6★ (8)21 mi
49Sauer Technical Services423.0★ (4)17 mi
50West Jefferson Plumbing Heating and Electric424.9★ (855)In London

How we ranked emergency HVAC contractors in London

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 London: questions

Which HVAC contractors in London are open 24/7?

25 on this list post 24/7 hours, including Logan Services A/C, Heat & Plumbing, Columbus Worthington Air, Airtron Heating & Air Conditioning, CJS Heating and Air and Eco Plumbers, Electricians, and HVAC Technicians.

Who is ranked #1 for emergency heating and cooling in London, OH?

Logan Services A/C, Heat & Plumbing is #1, with a CR Score of 61 out of 100 on emergency weights.

How are emergency HVAC contractors in London 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 London

  1. October 2026: CR Scores recalculated for 118 hvac contractors serving London.

More emergency and heating and cooling pages