337 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Bethlehem: Services United HVAC, CR Score 66/100; 4.9★ from 1,051 Google reviews; open 24/7.
Best for emergencies (open 24/7): Haller Enterprises, posts 24/7 hours; ranked #2 of 337.
Most-reviewed: Lowry Services, 4,471 Google reviews at 4.8★, the most of 337 ranked; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
337 Bethlehem HVAC contractors are ranked here by CR Score, from ten published factors. 106 are open 24/7, 169 open Saturdays and 132 open Sundays, based on posted hours. The median Google rating is 4.9★ across 337 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Services United HVAC | 66 | 4.9★ (1,051) | Bethlehem | 24/7 | Overall |
| 2 | Haller Enterprises | 65 | 4.7★ (1,085) | Bethlehem | 24/7 | Emergencies |
| 3 | Maitz Home Services | 64 | 4.7★ (3,032) | Allentown, 9 mi away | 24/7 | — |
| 4 | Carl Volkman And Sons HVAC LLC | 64 | 4.9★ (518) | Hellertown, 4 mi away | 24/7 | — |
| 5 | Comfort Solutions HVAC | 64 | 4.9★ (926) | Easton, 9 mi away | 24/7 | — |
| 6 | Curtis Total Service | 63 | 4.6★ (851) | Allentown, 3 mi away | 24/7 | — |
| 7 | Burkholder's Heating & Air Conditioning Inc. | 63 | 4.7★ (1,115) | Emmaus, 9 mi away | 24/7 | — |
| 8 | UGI Heating, Cooling & Plumbing | 62 | 4.7★ (427) | Whitehall Township, 5 mi away | 24/7 | — |
| 9 | Dual Temp Co., Inc. | 62 | 4.9★ (220) | Allentown, 7 mi away | 24/7 | — |
| 10 | Blue & Gray Total Home Services | 62 | 5.0★ (59) | Bethlehem | 24/7 | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,051 Google reviews, listed on Google as “HVAC contractor”.
Based in Bethlehem
Ranked #2 because of its Google rating and trade focus: 4.7★ from 1,085 Google reviews, listed on Google as “HVAC contractor”.
Based in Allentown, 9 mi away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 3,032 Google reviews, listed on Google as “HVAC contractor”.
Based in Hellertown, 4 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 518 Google reviews, listed on Google as “HVAC contractor”.
Based in Easton, 9 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 926 Google reviews, listed on Google as “HVAC contractor”.
Based in Allentown, 3 mi away
Ranked #6 because of its Google rating and trade focus: 4.6★ from 851 Google reviews, listed on Google as “HVAC contractor”.
Based in Emmaus, 9 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 1,115 Google reviews, listed on Google as “HVAC contractor”.
Based in Whitehall Township, 5 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 427 Google reviews, listed on Google as “HVAC contractor”.
Based in Allentown, 7 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 220 Google reviews, listed on Google as “HVAC contractor”.
Based in Bethlehem
Ranked #10 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “HVAC contractor”.
Based in Hellertown, 4 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 251 Google reviews, listed on Google as “HVAC contractor”.
Based in Allentown, 10 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 478 Google reviews, listed on Google as “HVAC contractor”.
Based in Lehighton, 22 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,935 Google reviews, listed on Google as “Air conditioning repair service”.
Based in Harleysville, 25 mi away
Ranked #14 because of its Google rating and review volume: 4.8★ from 4,471 Google reviews, the most in Bethlehem.
Based in Easton, 7 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 145 Google reviews, listed on Google as “HVAC contractor”.
Based in Bethlehem
Ranked #16 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “HVAC contractor”.
Based in Souderton, 23 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,236 Google reviews, listed on Google as “Furnace repair service”.
Based in Hellertown, 4 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 57 Google reviews, listed on Google as “HVAC contractor”.
Based in Nazareth, 8 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “HVAC contractor”.
Based in Allentown, 1 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “HVAC contractor”.
Based in Bethlehem
Ranked #21 because of its Google rating and review volume: 4.7★ from 504 Google reviews.
Based in Bethlehem
Ranked #22 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “HVAC contractor”.
Based in Allentown, 6 mi away
Ranked #23 because of its Google rating and review volume: 4.9★ from 3,492 Google reviews.
Based in Bethlehem
Ranked #24 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “HVAC contractor”.
Based in Whitehall Township, 6 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 66 Google reviews, listed on Google as “HVAC contractor”.
#1 to #25 are shown in full above. Here are #26 to #26, in CR Score order; each links to its profile. We publish the top 26 of 337 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | One Hour Heating & Air Conditioning® of Bucks County | 59 | 4.9★ (746) | 25 mi |
National price ranges in USD, not adjusted for Bethlehem. 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 337 Bethlehem 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 Bethlehem 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 |