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Emergency HVAC Contractors in National City, CA (2026)

Top 50 of 386 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 National City: Bill Howe Plumbing, Heating & Air, Restoration & Flood 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 National City at a glance

Top emergency HVAC contractors in National City at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Bill Howe Plumbing, Heating & Air, Restoration & Flood Services654.8★ (4,875)San Diego, 10 mi away24/7
2Anderson Plumbing, Heating & Air654.8★ (6,056)San Diego, 11 mi away24/7
3Anderson Plumbing, Heating & Air644.8★ (4,443)El Cajon, 12 mi away24/7
4Mauzy Cooling, Heating, Plumbing, and Electrical644.8★ (4,710)El Cajon, 13 mi away24/7
5Same Day Heating, Cooling, Plumbing634.8★ (1,658)San Diego, 11 mi away24/7
6Blue Diamond Heating and Air635.0★ (801)El Cajon, 12 mi away24/7
7United Plumbing Heating Air & Electric634.9★ (1,612)San Diego, 15 mi away24/7
8Friar's Plumbing Heating and AC Repair624.9★ (626)San Diego, 11 mi away24/7
9One Hour Heating & Air Conditioning624.9★ (815)San Diego, 15 mi away24/7
10Precision Temperature624.9★ (1,014)Lakeside, 16 mi away24/7

Call an emergency HVAC contractor in National City 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 National City, 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 386 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.

  10. #10 Precision Temperature

    Based in Lakeside, 16 mi away

    62/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.9★ from 1,014 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,014 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11974 Woodside Ave, Lakeside, CA 92040
    View profile for Precision Temperature(619) 588-5321

  11. #11 Air Pro Heating & Air

    Based in Chula Vista, 9 mi away

    62/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 268 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 268 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2434 Fenton St Ste 300, Chula Vista, CA 91914
    View profile for Air Pro Heating & Air(619) 693-3661

  14. #14 Surf Bros HVAC

    Based in San Diego, 6 mi away

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 110 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2710 Adams Ave, San Diego, CA 92116
    View profile for Surf Bros HVAC(619) 848-3133

Top 50 of 386 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 National City, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Total Plumbing, Air & Electric | Residential and Commercial Plumbing604.9★ (85)8 mi
27Pacific Heating & Air Conditioning604.6★ (257)11 mi
28Point Loma Electric, Plumbing, Heating & Air604.9★ (1,546)10 mi
29ACS/ American Comfort Services | Heating & Air Conditioning604.9★ (131)13 mi
30Ascend Plumbing604.9★ (119)12 mi
31Legacy Home Energy605.0★ (86)11 mi
32Quality HVAC Chula Vista Experts605.0★ (25)4 mi
33Hi-Tech Air Conditioning, Inc594.9★ (201)16 mi
34Emergency Air Conditioning Experts595.0★ (20)4 mi
35HVAC Pilot Air Conditioning & Heating Services595.0★ (35)7 mi
36Kool-Air heating and cooling594.4★ (14)In National City
37Comfort City Mechanical, INC594.9★ (47)9 mi
38Blue Diamond Heating and Air595.0★ (70)13 mi
39HVAC And Electrical Services595.0★ (15)4 mi
40Professional KitchenAid Appliance Repair585.0★ (34)10 mi
41Ace Group Ki construction585.0★ (29)10 mi
42Flaherty Heating and Air585.0★ (29)10 mi
43Friar's Plumbing Heating and AC Repair584.9★ (22)9 mi
44On-Time Sub-Zero Appliance Repair585.0★ (32)11 mi
45Samsung Appliance Repair584.9★ (30)10 mi
46ACE Pro Heating and Air584.0★ (20)4 mi
47Heating and Cooling San Diego585.0★ (11)5 mi
48Aerify Heating and Air584.7★ (125)17 mi
49Maximum Comfort Heating and AC Repair585.0★ (167)23 mi
50PureAir Santee HVAC Services585.0★ (40)14 mi

How we ranked emergency HVAC contractors in National City

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 National City: questions

Which HVAC contractors in National City are open 24/7?

25 on this list post 24/7 hours, including Bill Howe Plumbing, Heating & Air, Restoration & Flood Services, Anderson Plumbing, Heating & Air, Anderson Plumbing, Heating & Air, Mauzy Cooling, Heating, Plumbing, and Electrical and Same Day Heating, Cooling, Plumbing.

Who is ranked #1 for emergency heating and cooling in National City, CA?

Bill Howe Plumbing, Heating & Air, Restoration & Flood Services is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in National City 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?

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

Update log for National City

  1. October 2026: CR Scores recalculated for 386 hvac contractors serving National City.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages