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ContractorsRanked

Best HVAC Contractors in Niles, IL (2026)

1,516 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Niles: Deljo Heating, Cooling & Plumbing, CR Score 93/100; 4.9★ from 3,196 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Shavitz Heating and Air Conditioning, posts 24/7 hours; ranked #2 of 1,516.

  3. 17

    Most-reviewed: Four Seasons Heating, Air Conditioning, Plumbing, & Electric, 27,709 Google reviews at 4.7★, the most of 1,516 ranked; ranked #17.

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

1,516 Niles HVAC contractors are ranked here by CR Score, from 8 published factors. 624 are open 24/7, 1,176 open Saturdays and 949 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,516 rated businesses.

Top 10 HVAC contractors in Niles at a glance

Top 10 HVAC contractors in Niles at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Deljo Heating, Cooling & Plumbing934.9★ (3,196)Chicago, 4 mi away24/7Overall
2Shavitz Heating and Air Conditioning924.9★ (2,707)Skokie, 5 mi away24/7Emergencies
3Besco Air Inc.924.9★ (1,342)Chicago, 2 mi away24/7—
4All Temp Heating and Air Conditioning924.9★ (2,253)Chicago, 5 mi away24/7—
5AA Service Co.914.9★ (3,150)Northbrook, 9 mi away24/7—
6Freedom Heating, Cooling & Electrical914.9★ (2,121)Franklin Park, 7 mi away24/7—
7ABC Plumbing, Sewer, Heating, Cooling & Electric914.7★ (22,524)Arlington Heights, 12 mi away24/7—
8Goode Plumbing914.8★ (2,374)Chicago, 5 mi away24/7—
9American Vintage Home Heating, Cooling & Plumbing914.8★ (2,300)Evanston, 6 mi away24/7—
10Elite HVACs Heating & Air914.9★ (848)Skokie, 4 mi away24/7—

The 1,516 best HVAC contractors in Niles, 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.

  3. #3 Besco Air Inc.

    Based in Chicago, 2 mi away

    92/100CR Score

    Ranked #3 because of its Google rating and availability: 4.9★ from 1,342 Google reviews, open 24/7.

    • 4.9★ from 1,342 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5850 N Northwest Hwy, Chicago, IL 60631
    View profile for Besco Air Inc.(312) 809-2695

  5. #5 AA Service Co.

    Based in Northbrook, 9 mi away

    91/100CR Score

    Ranked #5 because of its Google rating and availability: 4.9★ from 3,150 Google reviews, open 24/7.

    • 4.9★ from 3,150 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    550 Anthony Trail, Northbrook, IL 60062
    View profile for AA Service Co.(847) 729-7889

  8. #8 Goode Plumbing

    Based in Chicago, 5 mi away

    91/100CR Score

    Ranked #8 because of its Google rating and availability: 4.8★ from 2,374 Google reviews, open 24/7.

    • 4.8★ from 2,374 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4594 N Elston Ave, Chicago, IL 60630
    View profile for Goode Plumbing(773) 280-8496

  20. #20 Heatmasters

    Based in Chicago, 4 mi away

    90/100CR Score

    Ranked #20 because of its Google rating and availability: 4.8★ from 708 Google reviews, open 24/7.

    • 4.8★ from 708 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5540 W Lawrence Ave, Chicago, IL 60630
    View profile for Heatmasters(773) 777-5700

  21. #21 Legendary Service

    Based in Des Plaines, 6 mi away

    90/100CR Score

    Ranked #21 because of its Google rating and availability: 5.0★ from 286 Google reviews, open 24/7.

    • 5.0★ from 286 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    960 Rand Rd Suite 200F, Des Plaines, IL 60016
    View profile for Legendary Service(224) 206-0524

  23. #23 Hero Air

    Based in Chicago, 6 mi away

    90/100CR Score

    Ranked #23 because of its Google rating and availability: 5.0★ from 272 Google reviews, open 24/7.

    • 5.0★ from 272 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4823 W Patterson Ave, Chicago, IL 60641
    View profile for Hero Air(773) 572-7271

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 1,516 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Niles, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26All Air Hvac895.0★ (106)1 mi
27Effective Air, Inc.894.9★ (355)5 mi
28Precision Today Plumbing Heating Cooling Electrical894.8★ (7,723)17 mi
29ARS / Rescue Rooter894.7★ (4,969)12 mi
30Eco Air Pros Heating & Cooling894.9★ (420)7 mi
31King Heating, Cooling & Plumbing894.8★ (261)2 mi
32Master Mechanical Inc.895.0★ (275)8 mi
33Tranquil Heating and Cooling895.0★ (174)5 mi
34Comfort Air Control895.0★ (278)9 mi
35Freezing Hot LLC895.0★ (120)4 mi
36GMS Heating & Cooling895.0★ (93)2 mi
37Guardian Heating & Cooling894.9★ (387)8 mi
38Service Express Heating and Air Conditioning894.9★ (897)13 mi
39Air Solutions HVAC, INC895.0★ (89)3 mi
40American Weathermakers Inc894.8★ (872)9 mi
41FloRyte Services895.0★ (340)11 mi
42Paragon Heating, Cooling, and Tankless894.9★ (823)12 mi
43Pro Comfort Solutions895.0★ (187)7 mi
44Excellent HVAC Duct Cleaning.Inc884.8★ (124)In Niles
45Precision Today Plumbing Heating Cooling Electrical884.8★ (450)6 mi
46Any Season Inc884.9★ (142)4 mi
47Carefree Comfort, Inc.885.0★ (288)11 mi
48Five Star Heating & Air, Inc.884.9★ (1,082)15 mi
49Leslie Heating, Cooling, Plumbing, & Electric884.8★ (3,089)17 mi
50On The Mark Heating and Air885.0★ (939)18 mi

Also serving Niles

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 Niles
BusinessGoogle ratingDistance
AllSeasons HVAC5.0★ (2)2 mi
American Pride Heating & Cooling Inc.1.5★ (2)In Niles
Benet SolutionsIn Niles
Capitol Energy5.0★ (2)5 mi
Comfort Masters Service Experts4.8★ (1,645)14 mi
David Brothers Heating And Cooling Inc3.0★ (2)6 mi
Excellent HVAC Duct Cleaning.INCIn Niles
Four Seasons Heating, Air Conditioning, Plumbing, Electric4.7★ (2,787)13 mi
General Comfort Company5.0★ (2)In Niles
HA Constructions, Inc.In Niles
Heating & Cooling5.0★ (2)2 mi
Lucke Plumbing and Heating3.0★ (2)6 mi
NIKEARON ENTERPRISE, LTDIn Niles
Pro-Temp of Illinois5.0★ (2)6 mi
PROPER SERVICES5.0★ (2)4 mi
Sebastian’s Heating and Cooling5.0★ (2)6 mi
Smart City Renovation5.0★ (2)6 mi
Tedora Heating & Cooling Repairs4.5★ (2)5 mi
V.H.HEATING AND COOLING5.0★ (2)6 mi
Varant HVAC-R Service CompanyIn Niles

How much do HVAC contractors cost in Niles?

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

How much do HVAC contractors cost in Niles?
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 Niles HVAC contractors

We scored 1,516 Niles 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 Niles 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 Niles: frequently asked questions

Who is the best HVAC contractor in Niles?

By CR Score, the highest-ranked HVAC contractor in Niles, IL is Deljo Heating, Cooling & Plumbing with a CR Score of 93/100. It has 4.9★ from 3,196 Google reviews. It is open 24/7. Shavitz Heating and Air Conditioning (#2) and Besco Air Inc. (#3) follow. We ranked 1,516 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Niles?

ContractorsRanked ranks 1,516 HVAC contractors serving Niles, IL. 2 of them are based in Niles; 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 Niles are open 24/7?

624 ranked HVAC contractors in Niles post 24/7 hours. The highest-ranked are Deljo Heating, Cooling & Plumbing (#1), Shavitz Heating and Air Conditioning (#2) and Besco Air Inc. (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Niles work on weekends?

1,176 of 1,516 ranked HVAC contractors post Saturday hours and 949 post Sunday hours. The highest-ranked open Saturdays are Deljo Heating, Cooling & Plumbing (#1), Shavitz Heating and Air Conditioning (#2) and Besco Air Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Niles?

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

What Google rating do Niles HVAC contractors have?

The median Google rating among 1,516 rated HVAC contractors in Niles is 4.9★, with a median of 20 reviews. Four Seasons Heating, Air Conditioning, Plumbing, & Electric has the most, 27,709 reviews, and ranks #17. 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 Niles?

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 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 Niles

  1. October 2026: CR Scores recalculated for 1,516 hvac contractors serving Niles.
  2. October 2026: 15 duplicate listings merged.

More HVAC contractors and Niles pages

Other trades in Niles