33 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Williamsport: R & J Ertel Inc, CR Score 62/100; 4.6★ from 71 Google reviews; open 24/7.
Best for emergencies (open 24/7): Action Heating & Air Conditioning LLC, posts 24/7 hours; ranked #2 of 33.
Most-reviewed: Redmond's Complete Comfort, 1,016 Google reviews at 4.9★, the most of 33 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
33 Williamsport HVAC contractors are ranked here by CR Score, from ten published factors. 7 are open 24/7, 9 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.5★ across 33 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | R & J Ertel Inc | 62 | 4.6★ (71) | Williamsport | 24/7 | Overall |
| 2 | Action Heating & Air Conditioning LLC | 61 | 4.5★ (43) | Williamsport | 24/7 | Emergencies |
| 3 | Pipe Doctor Plumbing Heating and Drains | 59 | 5.0★ (69) | Williamsport | 24/7 | — |
| 4 | Forsburg Furnace & Air Conditioning Co. | 59 | 4.8★ (179) | Williamsport | — | — |
| 5 | PlumbingMasters | 58 | 4.7★ (141) | Williamsport | — | — |
| 6 | Markle's Plumbing & Heating | 58 | 3.6★ (59) | Williamsport | 24/7 | — |
| 7 | Airmen HVAC Service | 58 | 4.3★ (6) | Williamsport | 24/7 | — |
| 8 | Hilltech Heating & Air Conditioning Inc. | 57 | 4.7★ (99) | South Williamsport, 1 mi away | — | — |
| 9 | Midnight Zero Degree HVAC&R | 57 | 4.0★ (4) | Williamsport | 24/7 | — |
| 10 | Redmond's Complete Comfort | 57 | 4.9★ (1,016) | Lock Haven, 24 mi away | — | Most reviews |
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: 4.6★ from 71 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamsport
Ranked #2 because of its Google rating and trade focus: 4.5★ from 43 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamsport
Ranked #3 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamsport
Ranked #4 because of its Google rating and trade focus: 4.8★ from 179 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamsport
Ranked #5 because of its Google rating and trade focus: 4.7★ from 141 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamsport
Ranked #6 because of its Google rating and trade focus: 3.6★ from 59 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamsport
Ranked #7 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Williamsport, 1 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 99 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamsport
Ranked #9 because of its Google rating and trade focus: 4.0★ 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 Lock Haven, 24 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 1,016 Google reviews, the most in Williamsport.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Williamsport, 2 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Williamsport
Ranked #12 because of its Google rating and trade focus: 2.0★ from 8 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Williamsport, 2 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in South Williamsport, 3 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 31 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamsport
Ranked #15 because of its Google rating and trade focus: 4.0★ from 7 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in South Williamsport, 1 mi away
Ranked #16 because of its Google rating and trade focus: 2.6★ from 5 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamsport
Ranked #17 because of its Google rating and trade focus: 4.5★ from 17 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lewisburg, 20 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 121 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamsport
Ranked #19 because of its Google rating and trade focus: 3.9★ from 21 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamsport
Ranked #20 because of its Google rating and trade focus: 4.3★ from 52 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milton, 16 mi away
Ranked #21 because of its Google rating and trade focus: 4.2★ from 53 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Lewisburg, 18 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 76 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamsport
Ranked #23 because of its Google rating and trade focus: 4.8★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milton, 5 mi away
Ranked #24 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milton, 17 mi away
Ranked #25 because of its Google rating and trade focus: 4.5★ from 10 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#1 to #25 are shown in full above. Here are #26 to #33, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | S&S Plumbing & Heating, Inc. | 49 | 4.4★ (25) | 23 mi |
| 27 | SafeSpark Gas Service LLC | 48 | 5.0★ (4) | 18 mi |
| 28 | Alex Lytwyn Plumbing and Heating LLC | 48 | 4.9★ (31) | 17 mi |
| 29 | Lock Haven Plumbing & Heating | 48 | 3.8★ (26) | 23 mi |
| 30 | Pickelner Fuel Company | 46 | 3.0★ (12) | In Williamsport |
| 31 | Meier Supply Williamsport | 45 | 4.0★ (3) | In Williamsport |
| 32 | Kranz Mechanical Co. LLC | 45 | 3.2★ (6) | In Williamsport |
| 33 | ID Washington Construction | 42 | 5.0★ (8) | 22 mi |
11 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.
| Business | Google rating | Distance |
|---|---|---|
| A&S Mechanical | 17 mi | |
| Appellation Construction Services, LLC | 3.9★ (8) | In Williamsport |
| Fairfield Home Heating & AC Services | 5.0★ (1) | In Williamsport |
| Hepler Geothermal | In Williamsport | |
| Hugo's Plumbing & Heating | In Williamsport | |
| K. C. Larson Inc. | 5.0★ (2) | In Williamsport |
| Keiser's Plumbing & Heating | 1.0★ (1) | 21 mi |
| Lycoming Heating Company | In Williamsport | |
| M & T Mechanical | 5.0★ (1) | In Williamsport |
| M&S Mechanical LLC | In Williamsport | |
| Pearl Emergency Furnace Repair | In Williamsport |
National price ranges in USD, not adjusted for Williamsport. 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 33 Williamsport 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 Williamsport 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 |