52 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Harrisburg: Waterbury Heating & Cooling, Inc., CR Score 66/100; 4.9★ from 2,015 Google reviews; open 24/7.
Best for emergencies (open 24/7): Howe, Inc., posts 24/7 hours; ranked #2 of 52.
Most-reviewed: Howe, Inc., 1,778 Google reviews at 4.9★, the most of 52 ranked after Waterbury Heating & Cooling, Inc.; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
52 Harrisburg HVAC contractors are ranked here by CR Score, from ten published factors. 16 are open 24/7, 25 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 4.8★ across 52 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Waterbury Heating & Cooling, Inc. | 66 | 4.9★ (2,015) | Sioux Falls, 8 mi away | 24/7 | Overall |
| 2 | Howe, Inc. | 66 | 4.9★ (1,778) | Sioux Falls, 9 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Aire Serv of Sioux Empire | 65 | 4.8★ (1,382) | Sioux Falls, 9 mi away | 24/7 | — |
| 4 | Merit Heating & Air Conditioning | 63 | 4.9★ (118) | Harrisburg | 24/7 | — |
| 5 | Comfort Heroes Plumbing, Heating, Air & Electric | 62 | 4.4★ (1,574) | Sioux Falls, 11 mi away | 24/7 | — |
| 6 | PrairieSons | 59 | 4.6★ (187) | Brandon, 14 mi away | 24/7 | — |
| 7 | ELITE Home Trade Pros | 59 | 4.9★ (65) | Brandon, 13 mi away | 24/7 | — |
| 8 | Roger's Plumbing & Heating | 58 | 4.7★ (340) | Sioux Falls, 8 mi away | 24/7 | — |
| 9 | Ruppert Heating & Cooling LLC | 58 | 5.0★ (20) | Sioux Falls, 9 mi away | 24/7 | — |
| 10 | MJ Aire | 58 | 5.0★ (14) | Sioux Falls, 7 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 2,015 Google reviews, the most in Harrisburg.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 9 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,778 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 9 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 1,382 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Harrisburg
Ranked #4 because of its Google rating and trade focus: 4.9★ from 118 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 11 mi away
Ranked #5 because of its Google rating and trade focus: 4.4★ from 1,574 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brandon, 14 mi away
Ranked #6 because of its Google rating and trade focus: 4.6★ from 187 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brandon, 13 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 65 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 8 mi away
Ranked #8 because of its Google rating and review volume: 4.7★ from 340 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 9 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 7 mi away
Ranked #10 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 Brandon, 9 mi away
Ranked #11 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 Sioux Falls, 7 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brandon, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 40 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 6 mi away
Ranked #14 because of its Google rating and trade focus: 4.3★ from 299 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Harrisburg
Ranked #15 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 9 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 5 mi away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 47 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 7 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 10 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 126 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 8 mi away
Ranked #20 because of its Google rating and trade focus: 3.6★ 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 Sioux Falls, 9 mi away
Ranked #21 because of its Google rating and trade focus: 4.6★ from 208 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 9 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 12 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 10 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Sioux Falls, 9 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 74 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sioux Falls, 9 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 6 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 #36 to #37, in CR Score order; each links to its profile. We publish the top 37 of 52 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 36 | Johnson Controls | 53 | 4.8★ (4) | 7 mi |
| 37 | EZ Heating & Cooling, LLC | 53 | 5.0★ (5) | 9 mi |
National price ranges in USD, not adjusted for Harrisburg. 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 52 Harrisburg 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 Harrisburg 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 |