167 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Saco: Gammon’s Heating & Cooling, CR Score 94/100; 4.8★ from 557 Google reviews; open 24/7.
Best for emergencies (open 24/7): Pine State Services, posts 24/7 hours; ranked #2 of 167.
Most-reviewed: LaPlante Electric, 1,260 Google reviews at 4.9★, the most of 167 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
167 Saco HVAC contractors are ranked here by CR Score, from 8 published factors. 32 are open 24/7, 57 open Saturdays and 41 open Sundays, based on posted hours. The median Google rating is 4.8★ across 167 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Gammon’s Heating & Cooling | 94 | 4.8★ (557) | Saco | 24/7 | Overall |
| 2 | Pine State Services | 92 | 4.7★ (1,112) | Buxton, 9 mi away | 24/7 | Emergencies |
| 3 | Heritage Home Service | 91 | 4.8★ (630) | Portland, 12 mi away | 24/7 | — |
| 4 | Aire Serv of Southern Maine | 89 | 4.9★ (755) | Buxton, 22 mi away | 24/7 | — |
| 5 | LaPlante Electric | 88 | 4.9★ (1,260) | Buxton, 5 mi away | 24/7 | Most reviews |
| 6 | Maine Heat Pump Cleaning | 87 | 5.0★ (21) | Auburn, 3 mi away | 24/7 | — |
| 7 | 207 Plumbing and Heating | 87 | 4.7★ (429) | Gorham, 20 mi away | 24/7 | — |
| 8 | Downeast Electrical Services | 86 | 5.0★ (44) | Biddeford, 2 mi away | Sat · Sun · Evenings | — |
| 9 | HomeWiz | 86 | 4.6★ (163) | Biddeford, 16 mi away | 24/7 | — |
| 10 | Maine Energy Experts | 86 | 5.0★ (178) | Old Orchard Beach, 3 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 4.8★ from 557 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 9 mi away
Ranked #2 because of its Google rating and availability: 4.7★ from 1,112 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portland, 12 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 630 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 22 mi away
Ranked #4 because of its Google rating and availability: 4.9★ from 755 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 5 mi away
Ranked #5 because of its Google rating and review volume: 4.9★ from 1,260 Google reviews, the most Google reviews on this list (1,260).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Auburn, 3 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Gorham, 20 mi away
Ranked #7 because of its Google rating and availability: 4.7★ from 429 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Biddeford, 2 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Biddeford, 16 mi away
Ranked #9 because of its Google rating and availability: 4.6★ from 163 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Old Orchard Beach, 3 mi away
Ranked #10 because of its Google rating and availability: 5.0★ from 178 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 15 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 32 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 10 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 488 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waterboro, 3 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Biddeford, 2 mi away
Ranked #14 because of its Google rating and availability: 3.7★ from 21 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portland, 15 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 18 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 15 mi away
Ranked #16 because of its Google rating and availability: 4.8★ from 23 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Eliot, 23 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 40 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 17 mi away
Ranked #18 because of its Google rating and availability: 5.0★ from 35 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Biddeford, 12 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Gorham, 11 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Biddeford, 5 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 553 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Biddeford, 9 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portland, 14 mi away
Ranked #23 because of its Google rating and availability: 4.4★ from 15 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 5 mi away
Ranked #24 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Portland, 11 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
Based on 6 of 8 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 167 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.
| Business | Google rating | Distance |
|---|---|---|
| A P Baker Plumbing & Heating | 5.0★ (2) | 10 mi |
| Affordable Comfort | 4.6★ (11) | 20 mi |
| Alpha Charlie HVAC | 5.0★ (4) | 13 mi |
| B & K Heating | 3.6★ (7) | 15 mi |
| CC Mechanical | 5.0★ (2) | 16 mi |
| Coastal Plumbing & Heating | 5.0★ (4) | 8 mi |
| Connolly's Plumbing & Heating | 3.0★ (2) | 6 mi |
| Donnelly's HVAC | 4.3★ (6) | 24 mi |
| Gallagher Refrigeration Co Inc | In Saco | |
| J Chase HVAC Service | 4.0★ (4) | 15 mi |
| J Hannah Mechanical Corporation | In Saco | |
| John Scott Plumbing and Heating | 4.3★ (11) | 16 mi |
| Lordbrooks plumbing | 3.0★ (2) | 9 mi |
| Multispec | 3.5★ (2) | 14 mi |
| Plante Oil Burner Services | 3.0★ (2) | 18 mi |
| Prompt Plumbing & Heating | 5.0★ (1) | In Saco |
| Rod's HVAC | 3.5★ (2) | 2 mi |
| Snyder Plumbing & Heating | 5.0★ (2) | 14 mi |
| Sturgis Plumbing & Heating | 4.1★ (12) | 17 mi |
| Townsend Plumbing and Heating | 4.5★ (2) | 5 mi |
National price ranges in USD, not adjusted for Saco. 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 Maine, 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 167 Saco HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Saco data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |