70 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Chambersburg: Mann Plumbing and Heating, LLC, CR Score 64/100; 4.7★ from 638 Google reviews; open 24/7.
Best for emergencies (open 24/7): Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical, posts 24/7 hours; ranked #2 of 70.
Most-reviewed: Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical, 4,764 Google reviews at 4.8★, the most of 70 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
70 Chambersburg HVAC contractors are ranked here by CR Score, from ten published factors. 20 are open 24/7, 35 open Saturdays and 25 open Sundays, based on posted hours. The median Google rating is 4.7★ across 70 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mann Plumbing and Heating, LLC | 64 | 4.7★ (638) | Chambersburg | 24/7 | Overall |
| 2 | Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical | 62 | 4.8★ (4,764) | Hagerstown, 21 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Chambersburg SuperTechs | 62 | 5.0★ (134) | Chambersburg | Sat · Sun · Evenings | — |
| 4 | McCleary Heating & Cooling LLC | 61 | 4.9★ (880) | Chambersburg | — | — |
| 5 | Climate Control Inc | 60 | 4.8★ (40) | Chambersburg | 24/7 | — |
| 6 | G&R Heating and Cooling | 60 | 5.0★ (28) | Chambersburg | 24/7 | — |
| 7 | C. V. Wenger Inc. | 60 | 4.9★ (734) | Chambersburg | — | — |
| 8 | Cumberland Valley Heating & Air Conditioning | 59 | 4.9★ (441) | Hagerstown, 23 mi away | 24/7 | — |
| 9 | Rodney B Smith Plumbing Heating & Clng | 58 | 4.5★ (43) | Chambersburg | 24/7 | — |
| 10 | Hagerstown Heating & Cooling | 58 | 4.8★ (660) | Hagerstown, 21 mi away | Sat · Sun | — |
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 trade focus: 4.7★ from 638 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hagerstown, 21 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 4,764 Google reviews, the most in Chambersburg.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chambersburg
Ranked #3 because of its Google rating and trade focus: 5.0★ from 134 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chambersburg
Ranked #4 because of its Google rating and trade focus: 4.9★ from 880 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chambersburg
Ranked #5 because of its Google rating and trade focus: 4.8★ from 40 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chambersburg
Ranked #6 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chambersburg
Ranked #7 because of its Google rating and trade focus: 4.9★ from 734 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hagerstown, 23 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 441 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chambersburg
Ranked #9 because of its Google rating and trade focus: 4.5★ from 43 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hagerstown, 21 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 660 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hagerstown, 22 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 160 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chambersburg
Ranked #12 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.
Based in Halfway, 25 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 154 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waynesboro, 16 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 252 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chambersburg
Ranked #15 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Shippensburg, 15 mi away
Ranked #16 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 Halfway, 25 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Millersville, 11 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chambersburg
Ranked #19 because of its Google rating and trade focus: 4.5★ from 30 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hagerstown, 21 mi away
Ranked #20 because of its Google rating and trade focus: 4.4★ from 147 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chambersburg
Ranked #21 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Hagerstown, 20 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 294 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chambersburg
Ranked #23 because of its Google rating and trade focus: 4.3★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Shippensburg, 10 mi away
Ranked #24 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.
Based in Hagerstown, 21 mi away
Ranked #25 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.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 70 ranked HVAC contractors here; the rest are on their profiles.
20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
National price ranges in USD, not adjusted for Chambersburg. 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 Pennsylvania, 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 70 Chambersburg 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 Chambersburg 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 |