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Best HVAC Contractors in La Salle, IL (2026)

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

The short answer

  1. 1

    Best overall in La Salle: Triple Service Inc., CR Score 64/100; 4.8★ from 699 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): John's Service and Sales, Inc., posts 24/7 hours; ranked #2 of 22.

  3. 8

    Most-reviewed: Summit Heating & Air Conditioning LLC, 155 Google reviews at 4.8★, the most of 22 ranked after Triple Service Inc.; ranked #8.

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

22 La Salle HVAC contractors are ranked here by CR Score, from ten published factors. 10 are open 24/7, 10 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.7★ across 22 rated businesses.

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

Top 10 HVAC contractors in La Salle at a glance

Top 10 HVAC contractors in La Salle at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Triple Service Inc.644.8★ (699)Mendota, 15 mi away24/7Overall
2John's Service and Sales, Inc.614.5★ (82)Peru, 3 mi away24/7Emergencies
3Lanphierd Heating and Cooling605.0★ (70)Ottawa, 15 mi away24/7—
4A&G Heating and Air Conditioning, LLC " Gas fireplace services"595.0★ (16)Peru, 5 mi away24/7—
5Town & Country Services594.7★ (153)Princeton, 20 mi away24/7—
6Correa Heating & Air Conditioning585.0★ (20)Mendota, 10 mi away24/7—
7Hometown Heating & Cooling Co584.8★ (34)Ottawa, 13 mi away24/7—
8Summit Heating & Air Conditioning LLC584.8★ (155)Spring Valley, 6 mi away—Most reviews
9One Stop Heating & Cooling575.0★ (31)Mendota, 20 mi away24/7—
10Chapman's Mechanical Systems564.8★ (38)Peru, 3 mi away——

The 22 best HVAC contractors in La Salle, ranked

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

  1. Ranked #1 in La Salle

    Based in Mendota, 15 mi away

    64/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.8★ from 699 Google reviews, the most in La Salle.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 699 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    801 Monroe St, Mendota, IL 61342
  2. Based in Princeton, 20 mi away

    59/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.7★ from 153 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 153 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    537 W Peru St, Princeton, IL 61356
  3. Based in Peru, 3 mi away

    56/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.8★ from 38 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 38 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    4140 Ed Urban Dr, Peru, IL 61354
  4. Based in Streator, 20 mi away

    49/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 9 Google reviews
    Hours
    Mon–Fri 7 AM–4:30 PM · Sat–Sun closed
    Address
    402 N Illinois St, Streator, IL 61364
  5. Based in Princeton, 14 mi away

    49/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 3 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    25457 1275 N Ave, Princeton, IL 61356
  6. Based in Plano, 25 mi away

    46/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Heating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.0★ from 4 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
  7. Based in Streator, 21 mi away

    40/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.3★ from 3 Google reviews, listed on Google as “Insulation contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.3★ from 3 Google reviews
    Hours
    Mon–Thu 7 AM–5 PM · Fri–Sun closed
    Address
    1215 E 12th St, Streator, IL 61364

How much do HVAC contractors cost in La Salle?

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

How much do HVAC contractors cost in La Salle?
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 Illinois

In Illinois, 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 La Salle HVAC contractors

We scored 22 La Salle 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 La Salle 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 La Salle: frequently asked questions

Who is the best HVAC contractor in La Salle?

By CR Score, the highest-ranked HVAC contractor in La Salle, IL is Triple Service Inc. with a CR Score of 64/100. It has 4.8★ from 699 Google reviews. It is open 24/7. John's Service and Sales, Inc. (#2) and Lanphierd Heating and Cooling (#3) follow. We ranked 22 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in La Salle?

ContractorsRanked ranks 22 HVAC contractors serving La Salle, IL. Counts are as of October 2026.

Which HVAC contractors in La Salle are open 24/7?

10 ranked HVAC contractors in La Salle post 24/7 hours. The highest-ranked are Triple Service Inc. (#1), John's Service and Sales, Inc. (#2) and Lanphierd Heating and Cooling (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in La Salle work on weekends?

10 of 22 ranked HVAC contractors post Saturday hours and 10 post Sunday hours. The highest-ranked open Saturdays are Triple Service Inc. (#1), John's Service and Sales, Inc. (#2) and Lanphierd Heating and Cooling (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in La Salle?

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

What Google rating do La Salle HVAC contractors have?

The median Google rating among 22 rated HVAC contractors in La Salle is 4.7★, with a median of 16 reviews. Triple Service Inc. has the most, 699 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 La Salle?

In Illinois, 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 La Salle

  1. October 2026: CR Scores recalculated for 22 hvac contractors serving La Salle.