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Best HVAC Contractors in New Lenox, IL (2026)

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

The short answer

  1. 1

    Best overall in New Lenox: TR Miller Heating, Cooling, Plumbing and Electrical, CR Score 65/100; 4.9★ from 2,423 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Magtek Mechanical Heating & Cooling, posts 24/7 hours; ranked #2 of 777.

  3. 6

    Most-reviewed: Four Seasons Heating, Air Conditioning, Plumbing, & Electric, 27,709 Google reviews at 4.7★, the most of 777 ranked; ranked #6.

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

777 New Lenox HVAC contractors are ranked here by CR Score, from ten published factors. 350 are open 24/7, 610 open Saturdays and 483 open Sundays, based on posted hours. The median Google rating is 4.9★ across 777 rated businesses.

Top 10 HVAC contractors in New Lenox at a glance

Top 10 HVAC contractors in New Lenox at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1TR Miller Heating, Cooling, Plumbing and Electrical654.9★ (2,423)Tinley Park, 1 mi away24/7Overall
2Magtek Mechanical Heating & Cooling634.9★ (539)New Lenox24/7Emergencies
3Update Heating and Cooling Services634.9★ (435)New Lenox24/7—
4TR Miller Heating, Cooling, Plumbing and Electrical634.9★ (10,641)Plainfield, 16 mi away24/7—
5Air Source 1 Heating & Air Conditioning625.0★ (664)Mokena, 8 mi away24/7—
6Four Seasons Heating, Air Conditioning, Plumbing, & Electric624.7★ (27,709)Chicago, 20 mi away24/7Most reviews
7King Heating, Cooling & Plumbing624.8★ (1,060)Frankfort, 6 mi away24/7—
8Four Seasons Heating, Air Conditioning, Plumbing, & Electric614.8★ (3,722)Crestwood, 15 mi away24/7—
9S&S Mechanical Services Inc.614.9★ (126)New Lenox24/7—
10Climate Control Systems614.9★ (430)Frankfort, 7 mi away24/7—

The 777 best HVAC contractors in New Lenox, 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.

  1. Based in Plainfield, 16 mi away

    60/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 584 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 584 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12515 Rhea Dr, Plainfield, IL 60585
  2. Based in Mokena, 6 mi away

    60/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 296 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 296 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9910 190th St Suite K, Mokena, IL 60448

HVAC contractors ranked #26 to #50

#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 777 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in New Lenox, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Integrity Heating & Cooling604.5★ (816)6 mi
27Pitch Perfect Plumbing Heating & Cooling LLC605.0★ (123)7 mi
28Blue Flame Heating and Cooling605.0★ (43)1 mi
29All Temp Heating and Air Conditioning- Bolingbrook605.0★ (330)13 mi
30Fibid Heating & Air Conditioning605.0★ (365)8 mi
31Energy Services Air Conditioning & Heating Co. & Electrical604.9★ (1,929)21 mi
32Lockwood Furnace Company604.8★ (274)9 mi
33Polar Heating & AC604.6★ (899)11 mi
34Hoekstra Heating & Air Conditioning604.9★ (2,200)16 mi
35Custom Seasons Heating & Cooling595.0★ (114)9 mi
36Merts Heating & Air Conditioning594.8★ (1,449)18 mi
37Perfect Home Services594.7★ (5,573)22 mi
38Best Comfort Heating and Cooling594.8★ (290)10 mi
39Lenox Heating & Air594.7★ (43)In New Lenox
40Zark Heating & Cooling Inc.595.0★ (776)In New Lenox
41Porterhouse Heating & Cooling594.8★ (201)9 mi
42Heat Medics Heating & Cooling, LLC595.0★ (131)4 mi
43Best Heating & Cooling Inc595.0★ (21)In New Lenox
44Leslie Heating, Cooling, Plumbing, & Electric594.8★ (3,089)24 mi
45Superb Heating and Air595.0★ (92)10 mi
46The Heat Engineering Co.594.9★ (623)18 mi
47Enright's Heating & Cooling, Inc.594.8★ (94)7 mi
48AAA Heating and Cooling Inc595.0★ (103)11 mi
49Climaxx Heating & Cooling595.0★ (42)6 mi
50Comfort Zone Service594.9★ (110)10 mi

Also serving New Lenox

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.

Unranked HVAC contractors serving New Lenox
BusinessGoogle ratingDistance
AAA Comfort Heating & Air Conditioning3.0★ (2)7 mi
ABC Plumbing, Sewer, Heating, Cooling & Electric4.8★ (1,107)21 mi
Appliance Repair By TMK3.5★ (2)7 mi
Best Heating and Cooling Inc.4.8★ (16)In New Lenox
Blue & Green #1 Services - Landscaping and HVAC5.0★ (2)5 mi
DB Services5.0★ (2)4 mi
Doornbos Heating & Air Conditioning4.8★ (600)17 mi
Get Comfortable5.0★ (2)6 mi
Joliet Boiler & Welding Co Inc5.0★ (2)6 mi
King Heating, Cooling & Plumbing4.8★ (783)19 mi
Knights Electrical Heating & CoolingIn New Lenox
Knights HVAC5.0★ (2)In New Lenox
Lake Effect Heating and Cooling5.0★ (2)5 mi
Medina's Heating & Air Conditioning4.8★ (46)5 mi
Quick Comfort Heating & Cooling5.0★ (2)6 mi
Safeway Chimney SweepsIn New Lenox
Sendra Service Corporation4.5★ (2)6 mi
SERVPRO of Frankfort4.9★ (211)In New Lenox
TODD's HVAC Services5.0★ (2)In New Lenox
Tri-Force Heating, Cooling, & Air QualityIn New Lenox

How much do HVAC contractors cost in New Lenox?

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

How much do HVAC contractors cost in New Lenox?
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 New Lenox HVAC contractors

We scored 777 New Lenox 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 New Lenox 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 New Lenox: frequently asked questions

Who is the best HVAC contractor in New Lenox?

By CR Score, the highest-ranked HVAC contractor in New Lenox, IL is TR Miller Heating, Cooling, Plumbing and Electrical with a CR Score of 65/100. It has 4.9★ from 2,423 Google reviews. It is open 24/7. Magtek Mechanical Heating & Cooling (#2) and Update Heating and Cooling Services (#3) follow. We ranked 777 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in New Lenox?

ContractorsRanked ranks 777 HVAC contractors serving New Lenox, IL. 7 of them are based in New Lenox; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in New Lenox are open 24/7?

350 ranked HVAC contractors in New Lenox post 24/7 hours. The highest-ranked are TR Miller Heating, Cooling, Plumbing and Electrical (#1), Magtek Mechanical Heating & Cooling (#2) and Update Heating and Cooling Services (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in New Lenox work on weekends?

610 of 777 ranked HVAC contractors post Saturday hours and 483 post Sunday hours. The highest-ranked open Saturdays are TR Miller Heating, Cooling, Plumbing and Electrical (#1), Magtek Mechanical Heating & Cooling (#2) and Update Heating and Cooling Services (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in New Lenox?

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

What Google rating do New Lenox HVAC contractors have?

The median Google rating among 777 rated HVAC contractors in New Lenox is 4.9★, with a median of 21 reviews. Four Seasons Heating, Air Conditioning, Plumbing, & Electric has the most, 27,709 reviews, and ranks #6. 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 New Lenox?

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 New Lenox

  1. October 2026: CR Scores recalculated for 777 hvac contractors serving New Lenox.
  2. October 2026: 7 duplicate listings merged.

More HVAC contractors and New Lenox pages

Other trades in New Lenox