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Emergency HVAC Contractors in Caldwell, ID (2026)

Top 50 of 206 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 Caldwell: Diamond Heating, Cooling, Plumbing & Electric, 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 Caldwell at a glance

Top emergency HVAC contractors in Caldwell at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Diamond Heating, Cooling, Plumbing & Electric644.9★ (5,835)Meridian, 14 mi away24/7
2Right Now Heating, Air Conditioning & Plumbing644.8★ (7,383)Caldwell24/7
3A-1 Heating, Air Conditioning & Electric644.9★ (3,503)Meridian, 14 mi away24/7
4Greens Heating & Air Conditioning634.9★ (1,216)Nampa, 10 mi away24/7
5Owyhee Heating and Air Conditioning634.8★ (991)Nampa, 9 mi away24/7
6Right Now Heating and Air Conditioning & Plumbing635.0★ (1,803)Meridian, 16 mi away24/7
7J&D Heating, Cooling, & Water624.8★ (993)Nampa, 11 mi away24/7
8Right Now Heating and Air Conditioning624.8★ (8,584)Boise, 22 mi away24/7
9Ultimate Heating & Air, Inc624.9★ (2,080)Meridian, 16 mi away24/7
10Perfect Plumbing Heating & Air624.8★ (5,442)Garden City, 22 mi away24/7

Call an emergency HVAC contractor in Caldwell 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 Caldwell, 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 206 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.

  13. #13 Bill's Heating & A/C

    Based in Meridian, 18 mi away

    62/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 1,271 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 1,271 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3920 E Lanark St STE 100, Meridian, ID 83642
    View profile for Bill's Heating & A/C(208) 962-4557

  14. #14 Fix It Frankie

    Based in Nampa, 9 mi away

    62/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 371 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 371 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3803 E Newby St Suite 130, Nampa, ID 83687
    View profile for Fix It Frankie(208) 252-6651

  18. #18 Same Day Electric

    Based in Boise, 22 mi away

    61/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 2,336 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 2,336 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4684 W Chinden Blvd, Boise, ID 83714
    View profile for Same Day Electric(208) 377-3278

Top 50 of 206 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 Caldwell, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Magic Electric, Plumbing, Heating + Air614.9★ (1,363)21 mi
27Beacon Plumbing, Heating, Air-Conditioning, and Electrical, Inc605.0★ (320)In Caldwell
28Beacon Plumbing, Heating, Air-Conditioning, and Electrical, Inc605.0★ (302)15 mi
29Brightside Mechanical Plumbing | Heating | Cooling605.0★ (22)In Caldwell
30Peppy Heating and Cooling Boise605.0★ (623)20 mi
31BAYMAR MECHANICAL, LLC604.9★ (90)8 mi
32Owyhee Heating, Air Conditioning & Plumbing605.0★ (15)In Caldwell
33Quality Heating & Cooling594.9★ (374)19 mi
34Majestic Heating and Cooling594.4★ (20)In Caldwell
35Owyhee Heating and Air Conditioning595.0★ (502)22 mi
36Spartan Electric LLC595.0★ (11)In Caldwell
37Wickstrom Plumbing Heating & Cooling594.9★ (953)10 mi
38ABC Mechanical Inc595.0★ (59)11 mi
39One Hour Heating & Air Conditioning594.9★ (179)16 mi
40Jim's Heating & Cooling594.8★ (365)19 mi
41Legacy Heating & Air595.0★ (8)In Caldwell
42Rocky Mountain Mechanical Inc594.8★ (250)17 mi
43Idaho Refrigeration & HVAC594.8★ (20)5 mi
44CMC Mechanical, LLC595.0★ (6)In Caldwell
45Expert Heating & Cooling LLC595.0★ (6)In Caldwell
46Integrity Heating & Air LLC594.5★ (85)10 mi
47MetalHead Mechanical595.0★ (35)10 mi
48Advanced Heating & Cooling584.5★ (326)17 mi
49Capital City Heating & Cooling584.9★ (348)22 mi
50Applied Science Heating & Cooling584.3★ (6)In Caldwell

How we ranked emergency HVAC contractors in Caldwell

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 Caldwell: questions

Which HVAC contractors in Caldwell are open 24/7?

25 on this list post 24/7 hours, including Diamond Heating, Cooling, Plumbing & Electric, Right Now Heating, Air Conditioning & Plumbing, A-1 Heating, Air Conditioning & Electric, Greens Heating & Air Conditioning and Owyhee Heating and Air Conditioning.

Who is ranked #1 for emergency heating and cooling in Caldwell, ID?

Diamond Heating, Cooling, Plumbing & Electric is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Caldwell 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 Caldwell

  1. October 2026: CR Scores recalculated for 206 hvac contractors serving Caldwell.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages