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Emergency HVAC Contractors in Rapid City, SD (2026)

36 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank

8 of the 36 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 Rapid City: Loyal Plumbing Heating and Cooling, 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 Rapid City at a glance

Top emergency HVAC contractors in Rapid City at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Loyal Plumbing Heating and Cooling654.9★ (1,745)Rapid City24/7
2Precision Mechanical634.7★ (109)Rapid City24/7
3D&R Service634.5★ (107)Rapid City24/7
4Complete HVAC Service and Installation624.6★ (60)Rapid City24/7
5Backcountry Mechanical615.0★ (26)Rapid City24/7
6All American Heating and Cooling614.3★ (37)Rapid City24/7
7Advanced Heating & Air LLC594.6★ (10)Box Elder, 3 mi away24/7
8Extreme Heating & Cooling584.2★ (5)Rapid City24/7
9Viking Mechanical504.5★ (8)Rapid City—
10Midwestern Mechanical454.7★ (167)Rapid City—

Call an emergency HVAC contractor in Rapid 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 36 emergency HVAC contractors in Rapid City, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights.

  2. #2 Precision Mechanical

    Based in Rapid City

    63/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.7★ from 109 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 109 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5700 S Hwy 79, Rapid City, SD 57702
    View profile for Precision Mechanical(605) 341-7618

  3. #3 D&R Service

    Based in Rapid City

    63/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.5★ from 107 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.5★ from 107 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3030 W St Louis St, Rapid City, SD 57702
    View profile for D&R Service(605) 343-6740

  5. #5 Backcountry Mechanical

    Based in Rapid City

    61/100CR Score

    Ranked #5 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 26 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Backcountry Mechanical(605) 503-0076

  8. #8 Extreme Heating & Cooling

    Based in Rapid City

    58/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.2★ from 5 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2261 S Plaza Dr, Rapid City, SD 57702
    View profile for Extreme Heating & Cooling(605) 808-9181

  9. #9 Viking Mechanical

    Based in Rapid City

    50/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “HVAC contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.5★ from 8 Google reviews
    Address
    1420 Deadwood Ave # D, Rapid City, SD 57702
    View profile for Viking Mechanical(605) 341-4200

  10. #10 Midwestern Mechanical

    Based in Rapid City

    45/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.7★ from 167 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 167 Google reviews
    Hours
    Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
    Address
    3536 Eglin St, Rapid City, SD 57703
    View profile for Midwestern Mechanical(605) 394-9636

  12. #12 HighTech Heating & Cooling LLC

    Based in Rapid City

    43/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 36 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 10 AM–5 PM · Sun closed
    Address
    922 Virginia Ln, Rapid City, SD 57701
    View profile for HighTech Heating & Cooling LLC(605) 389-5373

  13. #13 Dyna-Kleen Service Unlimited

    Based in Rapid City

    43/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.8★ from 29 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 29 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    605 Flormann St, Rapid City, SD 57701
    View profile for Dyna-Kleen Service Unlimited(605) 342-3993

  14. #14 High Tech Mechanical

    Based in Rapid City

    42/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.7★ from 24 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 24 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 9 AM–4 PM · Sun closed
    Address
    5629 Bob Ln, Black Hawk, SD 57718
    View profile for High Tech Mechanical

  16. #16 Butte Heating Cooling

    Based in Rapid City

    42/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 17 Google reviews
    Hours
    Mon–Fri 7 AM–4 PM · Sat–Sun closed
    View profile for Butte Heating Cooling(605) 209-7665

  19. #19 Ulmer Heating & Cooling

    Based in Rapid City

    42/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 14 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    View profile for Ulmer Heating & Cooling(605) 939-9802

  20. #20 Hay Camp Mechanical

    Based in Box Elder, 8 mi away

    41/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.9★ from 47 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 47 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    View profile for Hay Camp Mechanical(605) 600-7668

  22. #22 Tessiers

    Based in Rapid City

    41/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.4★ from 16 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.4★ from 16 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    2319 N Plaza Dr Suite 2, Rapid City, SD 57702
    View profile for Tessiers(605) 341-1940

  24. #24 Little's Heating & Cooling

    Based in Rapid City

    41/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    7501 Captain Soelzer St, Black Hawk, SD 57718
    View profile for Little's Heating & Cooling(605) 431-3325

All 36 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #36, in CR Score order; each links to its profile.

HVAC contractors in Rapid City, ranks 26 to 36
RankBusinessCR ScoreGoogle ratingDistance
26James Air HVAC403.2★ (20)In Rapid City
27Equipment Service Professionals404.3★ (6)In Rapid City
28Ace Heating & Cooling404.2★ (5)In Rapid City
29Goff Air405.0★ (4)In Rapid City
30Temperature Technology405.0★ (4)In Rapid City
31G & R Controls395.0★ (3)In Rapid City
32Black Hills Heating & Cooling395.0★ (3)In Rapid City
33Comfort Air Heating & AC393.0★ (4)In Rapid City
34Johnson Controls Inc393.3★ (3)In Rapid City
35J & S Heating & Sheet Metal385.0★ (4)7 mi
36Southern Comfort Spray Foam365.0★ (6)In Rapid City

How we ranked emergency HVAC contractors in Rapid 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 Rapid City: questions

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

8 on this list post 24/7 hours, including Loyal Plumbing Heating and Cooling, Precision Mechanical, D&R Service, Complete HVAC Service and Installation and Backcountry Mechanical.

Who is ranked #1 for emergency heating and cooling in Rapid City, SD?

Loyal Plumbing Heating and Cooling is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Rapid 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 Rapid City

  1. October 2026: CR Scores recalculated for 36 hvac contractors serving Rapid City.
  2. October 2026: 1 duplicate listing merged.

More emergency and heating and cooling pages