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ContractorsRanked

Best HVAC Contractors in Spencer, MA (2026)

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

The short answer

  1. 1

    Best overall in Spencer: Heritage Home Service, CR Score 94/100; 4.9★ from 2,563 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Landry Mechanical Inc Plumbing HVAC & Electric, posts 24/7 hours; ranked #2 of 420.

  3. 2

    Most-reviewed: Landry Mechanical Inc Plumbing HVAC & Electric, 3,030 Google reviews at 4.8★, the most of 420 ranked; ranked #2.

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

420 Spencer HVAC contractors are ranked here by CR Score, from 8 published factors. 128 are open 24/7, 208 open Saturdays and 149 open Sundays, based on posted hours. The median Google rating is 4.9★ across 420 rated businesses.

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

Top 10 HVAC contractors in Spencer at a glance

Top 10 HVAC contractors in Spencer at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Heritage Home Service944.9★ (2,563)Auburn, 10 mi away24/7Overall
2Landry Mechanical Inc Plumbing HVAC & Electric924.8★ (3,030)Millbury, 12 mi away24/7Emergencies, Most reviews
3Gervais Mechanical Services LLC914.7★ (1,413)Auburn, 9 mi away24/7—
4Landry Mechanical Inc Plumbing HVAC & Electric914.9★ (424)Charlton, 8 mi away24/7—
5Pioneer Valley Environmental914.8★ (1,305)Ware, 13 mi away24/7—
6Control Point Heating • Cooling • Plumbing • Electric915.0★ (586)Shrewsbury, 15 mi away24/7—
7DeWolfe Plumbing, Heating & Cooling904.8★ (748)West Boylston, 13 mi away24/7—
8Kincaid AC Repair895.0★ (46)Spencer24/7—
9Precision Home Services894.9★ (1,017)Northborough, 20 mi away24/7—
10CPS Heating & Cooling894.9★ (781)Grafton, 20 mi away24/7—

The 420 best HVAC contractors in Spencer, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  25. #25 JD Ductless

    Based in Fall River, 19 mi away

    85/100CR Score

    Ranked #25 because of its Google rating and availability: 5.0★ from 70 Google reviews, open 24/7.

    • 5.0★ from 70 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for JD Ductless(774) 540-5604

HVAC contractors ranked #29 to #29

#1 to #25 are shown in full above. Here are #29 to #29, in CR Score order; each links to its profile. We publish the top 29 of 420 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Spencer, ranks 29 to 29
RankBusinessCR ScoreGoogle ratingDistance
29Gervais Plumbing Heating & Air Conditioning854.4★ (203)12 mi

How much do HVAC contractors cost in Spencer?

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

How much do HVAC contractors cost in Spencer?
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 Massachusetts

In Massachusetts, 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 Spencer HVAC contractors

We scored 420 Spencer 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Spencer data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

HVAC contractors in Spencer: frequently asked questions

Who is the best HVAC contractor in Spencer?

By CR Score, the highest-ranked HVAC contractor in Spencer, MA is Heritage Home Service with a CR Score of 94/100. It has 4.9★ from 2,563 Google reviews. It is open 24/7. Landry Mechanical Inc Plumbing HVAC & Electric (#2) and Gervais Mechanical Services LLC (#3) follow. We ranked 420 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Spencer?

ContractorsRanked ranks 420 HVAC contractors serving Spencer, MA. 1 of them is based in Spencer; the rest serve it from nearby towns. Counts are as of October 2026.

Which HVAC contractors in Spencer are open 24/7?

128 ranked HVAC contractors in Spencer post 24/7 hours. The highest-ranked are Heritage Home Service (#1), Landry Mechanical Inc Plumbing HVAC & Electric (#2) and Gervais Mechanical Services LLC (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Spencer work on weekends?

208 of 420 ranked HVAC contractors post Saturday hours and 149 post Sunday hours. The highest-ranked open Saturdays are Heritage Home Service (#1), Landry Mechanical Inc Plumbing HVAC & Electric (#2) and Gervais Mechanical Services LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Spencer?

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

What Google rating do Spencer HVAC contractors have?

The median Google rating among 420 rated HVAC contractors in Spencer is 4.9★, with a median of 18 reviews. Landry Mechanical Inc Plumbing HVAC & Electric has the most, 3,030 reviews, and ranks #2. 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 Spencer?

In Massachusetts, 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Spencer

  1. October 2026: CR Scores recalculated for 420 hvac contractors serving Spencer.
  2. October 2026: 4 duplicate listings merged.

More HVAC contractors and Spencer pages

Other trades in Spencer