Ranked #1 because of its Google rating and review volume: 4.8★ from 267 Google reviews, the most Google reviews on this list (267).
- 4.8★ from 267 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1225 E Sioux Ave, Pierre, SD 57501
8 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Pierre: Peitz Service Experts, CR Score 95/100; 4.8★ from 267 Google reviews; open 24/7.
Best for emergencies (open 24/7): Reliable Climate & Air Conditioning, posts 24/7 hours; ranked #2 of 8.
Most-reviewed: AirTech Heating and Cooling, 30 Google reviews at 4.9★, the most of 8 ranked after Peitz Service Experts; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
8 Pierre HVAC contractors are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 3 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.8★ across 8 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Peitz Service Experts | 95 | 4.8★ (267) | Pierre | 24/7 | Overall |
| 2 | Reliable Climate & Air Conditioning | 84 | 5.0★ (4) | Pierre | 24/7 | Emergencies |
| 3 | Economy Mechanical | 82 | 5.0★ (7) | Aberdeen, 12 mi away | 24/7 | — |
| 4 | AirTech Heating and Cooling | 80 | 4.9★ (30) | Pierre | — | Most reviews |
| 5 | Wheelhouse Plumbing, Inc. | 77 | 4.2★ (21) | Pierre | — | — |
| 6 | Larson HVAC/R | 72 | 4.3★ (6) | Sioux Falls, 12 mi away | — | — |
| 7 | Allied Plumbing and Heating Inc. | 72 | 4.3★ (9) | Pierre | — | — |
| 8 | Anderson Heating & AC Services | 71 | 5.0★ (10) | Rapid City, 23 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.8★ from 267 Google reviews, the most Google reviews on this list (267).
Based in Pierre
Ranked #2 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based in Aberdeen, 12 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
Based in Pierre
Ranked #4 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “HVAC contractor”.
Based in Pierre
Ranked #5 because of its Google rating and trade focus: 4.2★ from 21 Google reviews, listed on Google as “HVAC contractor”.
Based in Sioux Falls, 12 mi away
Ranked #6 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “HVAC contractor”.
Based in Pierre
Ranked #7 because of its Google rating and trade focus: 4.3★ from 9 Google reviews, listed on Google as “Plumber”.
Based in Rapid City, 23 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Heating contractor”.
National price ranges in USD, not adjusted for Pierre. 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 8 Pierre HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Pierre data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |