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Emergency HVAC Contractors in Lakeside, CA (2026)

Top 50 of 507 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 Lakeside: Mauzy Cooling, Heating, Plumbing, and Electrical, 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 Lakeside at a glance

Top emergency HVAC contractors in Lakeside at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Mauzy Cooling, Heating, Plumbing, and Electrical674.8★ (4,710)El Cajon, 4 mi away24/7
2Anderson Plumbing, Heating & Air664.8★ (4,443)El Cajon, 4 mi away24/7
3Precision Temperature664.9★ (1,014)Lakeside24/7
4Blue Diamond Heating and Air655.0★ (801)El Cajon, 4 mi away24/7
5Anderson Plumbing, Heating & Air654.8★ (6,056)San Diego, 13 mi away24/7
6Bill Howe Plumbing, Heating & Air, Restoration & Flood Services644.8★ (4,875)San Diego, 12 mi away24/7
7Comfort Bros Heating Air Plumbing & Electrical644.9★ (424)Lakeside24/7
8Hi-Tech Air Conditioning, Inc634.9★ (201)Lakeside24/7
9Same Day Heating, Cooling, Plumbing634.8★ (1,658)San Diego, 11 mi away24/7
10Air Temperature Specialists634.9★ (264)El Cajon, 4 mi away24/7

Call an emergency HVAC contractor in Lakeside 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 Lakeside, 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 507 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.

  20. #20 Legacy Home Energy

    Based in El Cajon, 5 mi away

    61/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 86 Google reviews, listed on Google as “Furnace repair service”.

    • 5.0★ from 86 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    270 E Douglas Ave, El Cajon, CA 92020
    View profile for Legacy Home Energy(619) 631-5372

  24. #24 FRYE Mechanical

    Based in Ramona, 12 mi away

    61/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 239 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 239 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    23445 Everett Pl, Ramona, CA 92065
    View profile for FRYE Mechanical(619) 454-3069

Top 50 of 507 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 Lakeside, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Smith & Sons Heating and Air Inc.605.0★ (203)13 mi
27Plumber Chula Vista by Castillo Works604.9★ (170)11 mi
28Air Pro Heating & Air604.9★ (268)14 mi
29Mauzy Cooling, Heating, Plumbing, and Electrical604.8★ (1,303)22 mi
30Progressive Heating & Air604.8★ (240)13 mi
31PureAir Santee HVAC Services605.0★ (40)5 mi
32Santee AC & Heating Pros605.0★ (40)5 mi
33Total Plumbing, Air & Electric | Residential and Commercial Plumbing604.9★ (85)9 mi
34Point Loma Electric, Plumbing, Heating & Air604.9★ (1,546)12 mi
35Adams HVAC Contractors Santee605.0★ (28)4 mi
36Mark's Heating & Air595.0★ (20)3 mi
37Surf Bros HVAC595.0★ (110)14 mi
38Hamel's Refrigeration Inc.595.0★ (20)3 mi
39Romey HVAC595.0★ (21)4 mi
40Smart Santee HVAC Repair595.0★ (22)4 mi
41RR Heating & Air Conditioning595.0★ (16)3 mi
42Comfort City Mechanical, INC594.9★ (47)9 mi
43My Guy Heating, Air & Plumbing594.9★ (360)21 mi
44Bill Howe Plumbing, Heating and Air Conditioning, Restoration and Flood Services594.9★ (548)9 mi
45Point Loma Electric, Plumbing, Drains, and Water Heaters594.9★ (220)19 mi
46Superior Air Systems - AC Repair & Installation595.0★ (58)12 mi
47Golden Comfort AC & Heating Repair595.0★ (22)7 mi
48Air Flex - HVAC & Solar585.0★ (12)4 mi
49HX Refrigeration585.0★ (14)5 mi
50San Diego Plumbing Heating Air584.2★ (17)3 mi

How we ranked emergency HVAC contractors in Lakeside

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 Lakeside: questions

Which HVAC contractors in Lakeside are open 24/7?

25 on this list post 24/7 hours, including Mauzy Cooling, Heating, Plumbing, and Electrical, Anderson Plumbing, Heating & Air, Precision Temperature, Blue Diamond Heating and Air and Anderson Plumbing, Heating & Air.

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

Mauzy Cooling, Heating, Plumbing, and Electrical is #1, with a CR Score of 67 out of 100 on emergency weights.

How are emergency HVAC contractors in Lakeside 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 Lakeside

  1. October 2026: CR Scores recalculated for 507 hvac contractors serving Lakeside.
  2. October 2026: 5 duplicate listings merged.

More emergency and heating and cooling pages