67/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 4,089 Google reviews, the most in Millersville.
- 4.8★ from 4,089 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 516 Running Pump Rd, Lancaster, PA 17601
Best HVAC Contractors in Millersville, PA (2026)
213 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Millersville: One Hour Heating & Air Conditioning, CR Score 67/100; 4.8★ from 4,089 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Neffsville Plumbing, Heating & Cooling Services, posts 24/7 hours; ranked #2 of 213.
- 2
Most-reviewed: Neffsville Plumbing, Heating & Cooling Services, 3,829 Google reviews at 4.8★, the most of 213 ranked after One Hour Heating & Air Conditioning; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
213 Millersville HVAC contractors are ranked here by CR Score, from ten published factors. 54 are open 24/7, 82 open Saturdays and 67 open Sundays, based on posted hours. The median Google rating is 4.8★ across 213 rated businesses.
Top 10 HVAC contractors in Millersville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | One Hour Heating & Air Conditioning | 67 | 4.8★ (4,089) | Lancaster, 4 mi away | 24/7 | Overall |
| 2 | Neffsville Plumbing, Heating & Cooling Services | 66 | 4.8★ (3,829) | Lancaster, 4 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Topline Heating & Air | 66 | 4.8★ (2,281) | Lancaster, 3 mi away | 24/7 | — |
| 4 | JK Mechanical | 66 | 4.9★ (1,332) | Willow Street, 4 mi away | 24/7 | — |
| 5 | Ranck Plumbing, Heating, AC & Excavation | 64 | 4.8★ (930) | Lancaster, 4 mi away | 24/7 | — |
| 6 | Lancaster Plumbing, Heating, Cooling & Electrical | 64 | 4.8★ (3,005) | Lancaster, 6 mi away | Sat · Sun · Evenings | — |
| 7 | HL Bowman Inc Plumbing Heating & AC | 62 | 4.8★ (1,156) | Red Lion, 15 mi away | 24/7 | — |
| 8 | Home Climates Inc | 62 | 4.8★ (1,892) | Elizabethtown, 18 mi away | 24/7 | — |
| 9 | Papa's Plumbing, Heating & Air Conditioning LLC | 62 | 5.0★ (106) | Lancaster, 6 mi away | 24/7 | — |
| 10 | Haller Enterprises | 61 | 4.8★ (2,011) | York, 21 mi away | 24/7 | — |
The 213 best HVAC contractors in Millersville, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Lancaster, 4 mi away
66/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 3,829 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 3,829 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1208 Harrisburg Pike Suite 101, Lancaster, PA 17603
Based in Lancaster, 3 mi away
66/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 2,281 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 2,281 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 655 Manor St, Lancaster, PA 17603
Based in Willow Street, 4 mi away
66/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 1,332 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,332 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 202 W Kendig Rd, Willow Street, PA 17584
Based in Lancaster, 4 mi away
64/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 930 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 930 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2541 Marietta Ave, Lancaster, PA 17601
Based in Lancaster, 6 mi away
64/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 3,005 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 3,005 Google reviews
- Hours
- Mon–Fri 7 AM–8 PM · Sat–Sun 9 AM–5 PM
- Address
- 1184 Enterprise Rd, East Petersburg, PA 17520
Based in Red Lion, 15 mi away
62/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 1,156 Google reviews, listed on Google as “Furnace repair service”.
- 4.8★ from 1,156 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 58 E Broadway Suite #2, Red Lion, PA 17356
Based in Elizabethtown, 18 mi away
62/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 1,892 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 1,892 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 76 Hershey Rd, Elizabethtown, PA 17022
Based in Lancaster, 6 mi away
62/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 106 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1653 Lititz Pike, Lancaster, PA 17601
Based in York, 21 mi away
61/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 2,011 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 2,011 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 801 Loucks Rd #1927, York, PA 17404
Based in Lancaster, 5 mi away
61/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.6★ from 254 Google reviews, listed on Google as “HVAC contractor”.
- 4.6★ from 254 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 340 W Roseville Rd Suite 2, Lancaster, PA 17601
Based in York, 19 mi away
61/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 2,711 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 2,711 Google reviews
- Hours
- Mon–Sun 7 AM–4 PM
- Address
- 149 S Tremont St, York, PA 17403
#13 Brubaker Inc.
Based in Lancaster, 5 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 1,203 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,203 Google reviews
- Hours
- Mon–Fri 7 AM–4:30 PM · Sat–Sun closed
- Address
- 2220 Harrisburg Pike, Lancaster, PA 17601
Based in Columbia, 10 mi away
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 109 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 109 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 125 N 4th St, Wrightsville, PA 17368
Based in Lancaster, 3 mi away
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 736 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 736 Google reviews
- Hours
- Mon–Fri 8:30 AM–4:30 PM · Sat–Sun closed
- Address
- 1500 Wilson Ave Floor 1, Lancaster, PA 17603
Based in Lititz, 10 mi away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.6★ from 164 Google reviews, listed on Google as “HVAC contractor”.
- 4.6★ from 164 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8 W Woods Dr, Lititz, PA 17543
Based in Lancaster, 4 mi away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 20 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Lancaster, 4 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 360 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 360 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
#19 Hammond HVAC
Based in Millersville
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 24 Google reviews
- Hours
- Mon–Sun 5 AM–5 PM
Based in Lancaster, 4 mi away
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 39 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Willow Street, 5 mi away
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 645 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 645 Google reviews
- Hours
- Mon–Fri 7 AM–4 PM · Sat–Sun closed
- Address
- 3012 Willow Street Pike, Willow Street, PA 17584
Based in Lancaster, 4 mi away
58/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 14 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 308 W Grant St, Lancaster, PA 17603
Based in East York, 15 mi away
58/100CR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 748 Google reviews.
- 4.9★ from 748 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Leola, 10 mi away
58/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.6★ from 63 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.6★ from 63 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3200 Oregon Pike, Leola, PA 17540
#25 Prime Home HVAC
Based in York, 21 mi away
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 117 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 117 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 52 Grumbacher Rd STE 52-2, York, PA 17406
HVAC contractors ranked #26 to #50
#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 213 ranked HVAC contractors here; the rest are on their profiles.
Also serving Millersville
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.
| Business | Google rating | Distance |
|---|---|---|
| All Comfort Mechanical, LLC | 5.0★ (2) | 2 mi |
| B & B Plumbing & Heating | 5.0★ (2) | 25 mi |
| Barton's Heating Air & Plumbing | 4.0★ (1) | 14 mi |
| CheckMark Mechanical LLC | 5.0★ (17) | 24 mi |
| Comforting Solutions LLC | 5.0★ (3) | 18 mi |
| DNR Services | 5.0★ (11) | 24 mi |
| DP Mechanical | 5.0★ (16) | 18 mi |
| Dutch Heating Inc | 4.6★ (32) | 21 mi |
| Dynamech | 3.0★ (2) | 18 mi |
| Express Plumbing, Heating and Air Conditioning | 5.0★ (46) | 25 mi |
| Ferguson Plumbing & Hvac | 3.0★ (2) | 6 mi |
| Fryman's Services | 5.0★ (2) | 6 mi |
| Harvest Comfort Improvement | 5.0★ (2) | 24 mi |
| HVAC PERFORMANCE | 5.0★ (1) | 5 mi |
| JAMES K ALLWEIN, INC | 3.0★ (2) | 24 mi |
| Martin’s Electric & Plumbing Service LLC | 5.0★ (1) | 4 mi |
| One Way Mechanical, LLC | 5.0★ (15) | 20 mi |
| Scott's H Plumbing | 4.6★ (33) | 22 mi |
| W.H. Ritter HVAC/R | 5.0★ (2) | 18 mi |
| Yorktowne Industrial Solutions | 4.9★ (31) | 21 mi |
How much do HVAC contractors cost in Millersville?
National price ranges in USD, not adjusted for Millersville. 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 |
When to hire an HVAC contractor in Pennsylvania
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.
How we ranked Millersville HVAC contractors
We scored 213 Millersville 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 Millersville 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 |
HVAC contractors in Millersville: frequently asked questions
Who is the best HVAC contractor in Millersville?
By CR Score, the highest-ranked HVAC contractor in Millersville, PA is One Hour Heating & Air Conditioning with a CR Score of 67/100. It has 4.8★ from 4,089 Google reviews. It is open 24/7. Neffsville Plumbing, Heating & Cooling Services (#2) and Topline Heating & Air (#3) follow. We ranked 213 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Millersville?
ContractorsRanked ranks 213 HVAC contractors serving Millersville, PA. 1 of them is based in Millersville; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Millersville are open 24/7?
54 ranked HVAC contractors in Millersville post 24/7 hours. The highest-ranked are One Hour Heating & Air Conditioning (#1), Neffsville Plumbing, Heating & Cooling Services (#2) and Topline Heating & Air (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Millersville work on weekends?
82 of 213 ranked HVAC contractors post Saturday hours and 67 post Sunday hours. The highest-ranked open Saturdays are One Hour Heating & Air Conditioning (#1), Neffsville Plumbing, Heating & Cooling Services (#2) and Topline Heating & Air (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Millersville?
AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Millersville. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Millersville HVAC contractors have?
The median Google rating among 213 rated HVAC contractors in Millersville is 4.8★, with a median of 27 reviews. One Hour Heating & Air Conditioning has the most, 4,089 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire an HVAC contractor in Millersville?
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.
How does ContractorsRanked rank HVAC contractors?
Each HVAC contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Millersville
- October 2026: CR Scores recalculated for 213 hvac contractors serving Millersville.
- October 2026: 1 duplicate listing merged.
More HVAC contractors and Millersville pages
HVAC contractors near Millersville
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Other trades in Millersville
- Roofers in Millersville460 ranked
- Plumbers in Millersville172 ranked
- Electricians in Millersville153 ranked
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- Landscapers in Millersville99 ranked
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- Kitchen remodelers in Millersville130 ranked
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- Flooring contractors in Millersville99 ranked
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- Drywall contractors in Millersville8 ranked
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- Fence contractors in Millersville35 ranked
- Deck builders in Millersville84 ranked
- Siding contractors in Millersville211 ranked
- Window installers in Millersville185 ranked
- Gutter installers in Millersville60 ranked
- Insulation contractors in Millersville12 ranked
- Solar installers in Millersville44 ranked
- Garage door repair companies in Millersville19 ranked
- Foundation repair companies in Millersville53 ranked
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- All contractors in Millersville