35 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Rapid Valley: Loyal Plumbing Heating and Cooling, CR Score 63/100; 4.9★ from 1,745 Google reviews; open 24/7.
Best for emergencies (open 24/7): Precision Mechanical, posts 24/7 hours; ranked #2 of 35.
Most-reviewed: Midwestern Mechanical, 167 Google reviews at 4.7★, the most of 35 ranked after Loyal Plumbing Heating and Cooling; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
35 Rapid Valley HVAC contractors are ranked here by CR Score, from ten published factors. 8 are open 24/7, 14 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.7★ across 35 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Loyal Plumbing Heating and Cooling | 63 | 4.9★ (1,745) | Rapid City, 6 mi away | 24/7 | Overall |
| 2 | Precision Mechanical | 62 | 4.7★ (109) | Rapid City, 3 mi away | 24/7 | Emergencies |
| 3 | Complete HVAC Service and Installation | 61 | 4.6★ (60) | Rapid City, 3 mi away | 24/7 | — |
| 4 | D&R Service | 60 | 4.5★ (107) | Rapid City, 6 mi away | 24/7 | — |
| 5 | All American Heating and Cooling | 59 | 4.3★ (37) | Rapid City, 5 mi away | 24/7 | — |
| 6 | Advanced Heating & Air LLC | 59 | 4.6★ (10) | Box Elder, 2 mi away | 24/7 | — |
| 7 | Midwestern Mechanical | 57 | 4.7★ (167) | Rapid City, 2 mi away | — | Most reviews |
| 8 | Backcountry Mechanical | 57 | 5.0★ (26) | Rapid City, 18 mi away | 24/7 | — |
| 9 | HighTech Heating & Cooling LLC | 56 | 5.0★ (36) | Rapid City, 9 mi away | Sat | — |
| 10 | Extreme Heating & Cooling | 56 | 4.2★ (5) | Rapid City, 6 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.9★ from 1,745 Google reviews, the most in Rapid Valley.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rapid City, 3 mi away
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.
Based in Rapid City, 3 mi away
Ranked #3 because of its Google rating and trade focus: 4.6★ from 60 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rapid City, 6 mi away
Ranked #4 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.
Based in Rapid City, 5 mi away
Ranked #5 because of its Google rating and trade focus: 4.3★ from 37 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Box Elder, 2 mi away
Ranked #6 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rapid City, 2 mi away
Ranked #7 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.
Based in Rapid City, 18 mi away
Ranked #8 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.
Based in Rapid City, 9 mi away
Ranked #9 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.
Based in Rapid City, 6 mi away
Ranked #10 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.
Based in Rapid City, 2 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 79 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rapid City, 5 mi away
Ranked #12 because of its Google rating and trade focus: 4.0★ from 22 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rapid City, 11 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Box Elder, 6 mi away
Ranked #14 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.
Based in Box Elder, 3 mi away
Ranked #15 because of its Google rating and trade focus: 4.7★ from 37 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Box Elder, 5 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rapid City, 4 mi away
Ranked #17 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.
Based in Rapid City, 4 mi away
Ranked #18 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rapid City, 2 mi away
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.
Based in Rapid City, 11 mi away
Ranked #20 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.
Based in Rapid City, 7 mi away
Ranked #21 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.
Based in Rapid City, 7 mi away
Ranked #22 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.
Based in Rapid City, 1 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rapid City, 6 mi away
Ranked #24 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.
Based in Rapid City, 2 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #27, in CR Score order; each links to its profile. We publish the top 27 of 35 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Ace Heating & Cooling | 52 | 4.2★ (5) | 2 mi |
| 27 | G & R Controls | 52 | 5.0★ (3) | 1 mi |
National price ranges in USD, not adjusted for Rapid Valley. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
In South Dakota, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 35 Rapid Valley HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Rapid Valley data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |