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ContractorsRanked

Best HVAC Contractors in Johnston, RI (2026)

610 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Johnston: GEM Plumbing and Heating, CR Score 65/100; 4.6★ from 6,353 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Prime Heating & Cooling, posts 24/7 hours; ranked #2 of 610.

  3. 3

    Most-reviewed: Superior Comfort Incorporated, 1,721 Google reviews at 4.9★, the most of 610 ranked after GEM Plumbing and Heating; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

610 Johnston HVAC contractors are ranked here by CR Score, from ten published factors. 157 are open 24/7, 310 open Saturdays and 211 open Sundays, based on posted hours. The median Google rating is 4.8★ across 610 rated businesses.

Most of this list also appears on the HVAC contractors in Providence ranking. See HVAC contractors in Providence

Top 10 HVAC contractors in Johnston at a glance

Top 10 HVAC contractors in Johnston at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1GEM Plumbing and Heating654.6★ (6,353)Lincoln, 7 mi away24/7Overall
2Prime Heating & Cooling634.8★ (694)Smithfield, 6 mi away24/7Emergencies
3Superior Comfort Incorporated634.9★ (1,721)Bristol, 15 mi away24/7Most reviews
4Notturno Home Services624.9★ (1,586)Blackstone, 15 mi away24/7—
5AirTemp HVAC625.0★ (106)Johnston24/7—
6Air Duct Cleaning of New England615.0★ (104)Smithfield, 4 mi away24/7—
7Air Synergy614.9★ (146)Providence, 5 mi away24/7—
8Emergency Response Plumbing, Heating and Air Conditioning614.8★ (259)Warwick, 7 mi away24/7—
9G&C Plumbing & Heating614.9★ (990)Franklin, 18 mi away24/7—
10Handy Oil Burner Services Inc.614.8★ (371)Attleboro, 11 mi away24/7—

The 610 best HVAC contractors in Johnston, 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.

  5. #5 AirTemp HVAC

    Based in Johnston

    62/100CR Score

    Ranked #5 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
    View profile for AirTemp HVAC(401) 219-9715

  7. #7 Air Synergy

    Based in Providence, 5 mi away

    61/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 146 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.9★ from 146 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    78 Narragansett Ave, Providence, RI 02907
    View profile for Air Synergy(401) 443-9015

  13. #13 BDL Heating & Cooling

    Based in Attleboro, 16 mi away

    60/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.9★ from 400 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 400 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    90 George Leven Dr, North Attleborough, MA 02760
    View profile for BDL Heating & Cooling(508) 643-5114

  14. #14 Accurate Baker Elman

    Based in Franklin, 18 mi away

    60/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 508 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 508 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    120 Grove St, Franklin, MA 02038
    View profile for Accurate Baker Elman(508) 301-3470

  17. #17 Done Right HVAC

    Based in Johnston

    59/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.8★ from 23 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 23 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    30 Starr St Unit B, Johnston, RI 02919
    View profile for Done Right HVAC(401) 430-9901

  19. #19 RCL Mechanical

    Based in Raynham, 24 mi away

    59/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 864 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 864 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    167R S St W Unit 3, Raynham, MA 02767
    View profile for RCL Mechanical(774) 784-0260

  20. #20 Dempsey Energy

    Based in Attleboro, 15 mi away

    59/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.5★ from 859 Google reviews, listed on Google as “HVAC contractor”.

    • 4.5★ from 859 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    575 E Washington St Unit E, North Attleborough, MA 02760
    View profile for Dempsey Energy(508) 202-0944

HVAC contractors ranked #26 to #27

#1 to #25 are shown in full above. Here are #26 to #27, in CR Score order; each links to its profile. We publish the top 27 of 610 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Johnston, ranks 26 to 27
RankBusinessCR ScoreGoogle ratingDistance
26MJ Heating & Air Conditioning594.9★ (357)22 mi
27D&J Plumbing Heating hvac LLC585.0★ (60)12 mi

Also serving Johnston

1 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.

Unranked HVAC contractors serving Johnston
BusinessGoogle ratingDistance
Complete Heating & Cooling Tom Fricker4.8★ (529)21 mi

How much do HVAC contractors cost in Johnston?

National price ranges in USD, not adjusted for Johnston. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Johnston?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 2026

When to hire an HVAC contractor in Rhode Island

In Rhode Island, 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 Johnston HVAC contractors

We scored 610 Johnston 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Johnston data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Johnston: frequently asked questions

Who is the best HVAC contractor in Johnston?

By CR Score, the highest-ranked HVAC contractor in Johnston, RI is GEM Plumbing and Heating with a CR Score of 65/100. It has 4.6★ from 6,353 Google reviews. It is open 24/7. Prime Heating & Cooling (#2) and Superior Comfort Incorporated (#3) follow. We ranked 610 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Johnston?

ContractorsRanked ranks 610 HVAC contractors serving Johnston, RI. 3 of them are based in Johnston; the rest serve it from nearby towns. Another 1 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Johnston are open 24/7?

157 ranked HVAC contractors in Johnston post 24/7 hours. The highest-ranked are GEM Plumbing and Heating (#1), Prime Heating & Cooling (#2) and Superior Comfort Incorporated (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Johnston work on weekends?

310 of 610 ranked HVAC contractors post Saturday hours and 211 post Sunday hours. The highest-ranked open Saturdays are GEM Plumbing and Heating (#1), Prime Heating & Cooling (#2) and Superior Comfort Incorporated (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Johnston?

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 Johnston. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Johnston HVAC contractors have?

The median Google rating among 610 rated HVAC contractors in Johnston is 4.8★, with a median of 17 reviews. GEM Plumbing and Heating has the most, 6,353 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 Johnston?

In Rhode Island, 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 Johnston

  1. October 2026: CR Scores recalculated for 610 hvac contractors serving Johnston.
  2. October 2026: 7 duplicate listings merged.

More HVAC contractors and Johnston pages

Other trades in Johnston