34 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Conception Bay South: Greenfoot Energy, CR Score 63/100; 5.0★ from 960 Google reviews.
Best for emergencies (open 24/7): Avalon Plumbing & Heating Ltd, posts 24/7 hours; ranked #5 of 34.
Most-reviewed: Heat Pump Solutions Ltd., 1,198 Google reviews at 4.9★, the most of 34 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
34 Conception Bay South HVAC contractors are ranked here by CR Score, from ten published factors. 5 are open 24/7, 12 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.7★ across 34 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Greenfoot Energy | 63 | 5.0★ (960) | Conception Bay South | — | Overall |
| 2 | Heat Pump Solutions Ltd. | 61 | 4.9★ (1,198) | Mount Pearl, 14 km away | — | Most reviews |
| 3 | DeepClean NL Ltd. | 58 | 4.9★ (68) | Conception Bay South | — | — |
| 4 | Affordable Comfort HVAC Ltd | 58 | 5.0★ (51) | Conception Bay South | — | — |
| 5 | Avalon Plumbing & Heating Ltd | 57 | 4.9★ (216) | St. John's, 25 km away | 24/7 | Emergencies |
| 6 | Temp Tech HVAC Services Ltd. | 57 | 3.4★ (5) | Conception Bay South | 24/7 | — |
| 7 | Coastal Energy | 57 | 4.8★ (75) | Conception Bay South | — | — |
| 8 | Marshall's HVAC/R | 57 | 5.0★ (15) | Conception Bay South | Sat · Evenings | — |
| 9 | Cole Air Contracting | 57 | 4.7★ (278) | Mount Pearl, 15 km away | — | — |
| 10 | Down Home HVAC Ltd. | 57 | 5.0★ (123) | St. John's, 16 km away | — | — |
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: 5.0★ from 960 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Pearl, 14 km away
Ranked #2 because of its Google rating and review volume: 4.9★ from 1,198 Google reviews, the most in Conception Bay South.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Conception Bay South
Ranked #3 because of its Google rating and trade focus: 4.9★ from 68 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Conception Bay South
Ranked #4 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 25 km away
Ranked #5 because of its Google rating and review volume: 4.9★ from 216 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Conception Bay South
Ranked #6 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Conception Bay South
Ranked #7 because of its Google rating and trade focus: 4.8★ from 75 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Conception Bay South
Ranked #8 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Pearl, 15 km away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 278 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 16 km away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 123 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Conception Bay South
Ranked #11 because of its Google rating and trade focus: 4.9★ from 8 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in St. John's, 13 km away
Ranked #12 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 21 km away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 45 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Pearl, 15 km away
Ranked #14 because of its Google rating and trade focus: 4.5★ from 88 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 23 km away
Ranked #15 because of its Google rating and trade focus: 4.5★ from 69 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Pearl, 16 km away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 13 km away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Conception Bay South
Ranked #18 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 13 km away
Ranked #19 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 St. John's, 19 km away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bay Roberts, 26 km away
Ranked #21 because of its Google rating and trade focus: 4.0★ from 20 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 24 km away
Ranked #22 because of its Google rating and trade focus: 4.3★ from 44 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Pearl, 14 km away
Ranked #23 because of its Google rating and review volume: 4.4★ from 268 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 26 km away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 23 km away
Ranked #25 because of its Google rating and trade focus: 4.0★ from 55 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 #34, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Parsons David R Plumbing & Heating | 51 | 5.0★ (3) | In Conception Bay South |
| 27 | Energy Management Services Ltd | 51 | 5.0★ (3) | 12 km |
| 28 | CBS Plumbing & Heating Ltd. | 50 | 4.3★ (12) | In Conception Bay South |
| 29 | Trane Commercial Sales Office | 50 | 2.7★ (3) | 14 km |
| 30 | ControlPro Distributors Inc | 50 | 4.7★ (3) | 18 km |
| 31 | Priddle's Plumbing & Heating | 49 | 3.7★ (3) | 6 km |
| 32 | Dawe's Plumbing & Heating | 49 | 3.4★ (10) | In Conception Bay South |
| 33 | Crawford James G Ltd | 48 | 4.7★ (13) | 21 km |
| 34 | Dawson's Plumbing & Heating Ltd | 46 | 2.8★ (13) | 23 km |
20 more HVAC contractors within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Advanced Geo-thermal Inc | 8 km | |
| Aqua Plumbing & Heating | In Conception Bay South | |
| Avalon HVAC Services | In Conception Bay South | |
| Carmichael Engineering Ltd. | 3.0★ (2) | 10 km |
| Centinel Services | 1.0★ (1) | 14 km |
| Eastern Sheet Metal Works Ltd | 3.0★ (2) | 26 km |
| Eastpoint Plumbing And Heating Inc | In Conception Bay South | |
| Eco HVAC | 5.0★ (1) | In Conception Bay South |
| Heating Products (1978) Ltd | 5.0★ (2) | 18 km |
| Honeywell | 5.0★ (1) | 18 km |
| HVAC Specialties Inc | In Conception Bay South | |
| Keep Cool Refrigeration & A/C Ltd. | 5.0★ (2) | 27 km |
| Lawlor's Plumbing & Heating | In Conception Bay South | |
| Littlejohn's Plumbing, Heating & Electrical | 5.0★ (2) | 23 km |
| McCarthy's Mechanical Ltd | 1.0★ (1) | In Conception Bay South |
| Reefer Repair Services Ltd. | 4.0★ (1) | 12 km |
| The Vent Man Ltd | In Conception Bay South | |
| Tristar Mechanical Ltd | 3.0★ (2) | 10 km |
| Williams 2000 Ltd Plumbing & Heating | 5.0★ (1) | 18 km |
| Yetman's Sheet Metal | 5.0★ (1) | In Conception Bay South |
US national ranges converted to CAD, not adjusted for Conception Bay South. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | CA$5,460 | CA$8,400 | CA$11,350 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
| Furnace replacement | CA$3,970 | CA$6,770 | CA$9,690 | Per system, installed; typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
In Newfoundland and Labrador, 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 34 Conception Bay South 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 Conception Bay South 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 |