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ContractorsRanked

Best HVAC Contractors in West Dundee, IL (2026)

1,084 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in West Dundee: Lifeline Plumbing, Heating & Cooling, CR Score 94/100; 4.9★ from 3,222 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Kustom Heating and Cooling, posts 24/7 hours; ranked #2 of 1,084.

  3. 11

    Most-reviewed: ABC Plumbing, Sewer, Heating, Cooling & Electric, 22,524 Google reviews at 4.7★, the most of 1,084 ranked; ranked #11.

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

1,084 West Dundee HVAC contractors are ranked here by CR Score, from 8 published factors. 499 are open 24/7, 807 open Saturdays and 671 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,084 rated businesses.

Top 10 HVAC contractors in West Dundee at a glance

Top 10 HVAC contractors in West Dundee at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Lifeline Plumbing, Heating & Cooling944.9★ (3,222)Elgin, 1 mi away24/7Overall
2Kustom Heating and Cooling925.0★ (1,021)Elgin, 5 mi away24/7Emergencies
3Leith Heating and Cooling Inc.925.0★ (784)Elgin, 4 mi away24/7—
4Climate Control Services LLC915.0★ (776)Elgin, 6 mi away24/7—
5JNL Climate Control, Inc.914.9★ (820)Huntley, 2 mi away24/7—
6G & R Heating and Air914.8★ (2,067)Gilberts, 5 mi away24/7—
7On The Mark Heating and Air915.0★ (939)Hoffman Estates, 8 mi away24/7—
8Black Diamond Plumbing & Mechanical Inc.914.9★ (6,580)McHenry, 15 mi away24/7—
924HR Home Comfort Services914.9★ (1,374)Lake in the Hills, 7 mi away24/7—
10Compass Heating and Air Conditioning Inc.914.9★ (412)Elgin, 2 mi away24/7—

The 1,084 best HVAC contractors in West Dundee, 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.

  12. #12 Amy Home Services

    Based in Carpentersville, 1 mi away

    90/100CR Score

    Ranked #12 because of its Google rating and availability: 4.8★ from 483 Google reviews, open 24/7.

    • 4.8★ from 483 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    39 N Western Ave, Carpentersville, IL 60110
    View profile for Amy Home Services(847) 239-5771

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 1,084 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in West Dundee, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Chris Heating & Cooling895.0★ (942)15 mi
27Residential Heating & Cooling894.9★ (905)12 mi
28Air Blue Heating and Cooling895.0★ (148)5 mi
29Aire Serv of Palatine894.9★ (766)12 mi
30Birdie Heating & Cooling895.0★ (121)4 mi
31Com24 Heating & Air Conditioning LLC894.9★ (338)8 mi
32McNally's Heating & Cooling of Bartlett895.0★ (235)9 mi
33Alex Quality Services895.0★ (101)4 mi
34ARS / Rescue Rooter894.7★ (4,969)15 mi
35AQC Services Inc HVAC & Appliance Repair885.0★ (286)11 mi
36Rellaire Smart Home Systems884.9★ (472)11 mi
37Mr. Heating and Cooling Inc885.0★ (283)12 mi
38Northern Comfort Heating Air Conditioning Duct Cleaning,Inc884.9★ (240)8 mi
39WeatherWise Heating & AC repair884.8★ (744)10 mi
40Comfort Masters Service Experts884.8★ (1,224)13 mi
41Aaron & Trecker Heating and Air Conditioning885.0★ (320)13 mi
42Comfort Pride Services885.0★ (319)13 mi
43AA Service Co.884.9★ (3,150)22 mi
44Four Seasons Heating, Air Conditioning, Plumbing, & Electric884.8★ (506)9 mi
45Four Seasons Heating, Air Conditioning, Plumbing, & Electric884.8★ (460)9 mi
46Woodstock Heating, Cooling & Electrical884.9★ (1,222)17 mi
47Allied Air Conditioning & Heating Corp.884.9★ (473)13 mi
48GSHA Services, LTD884.9★ (747)15 mi
49McHenry Heating & Air, Inc.884.9★ (596)14 mi
50Climate Comfort Heating and Cooling885.0★ (131)9 mi

Also serving West Dundee

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 West Dundee
BusinessGoogle ratingDistance
A & J General5.0★ (2)7 mi
Alex’s Duct Cleaning5.0★ (269)10 mi
AM to PM Heating & Cooling5.0★ (2)5 mi
Andrej's Construction5.0★ (2)10 mi
Avina MechanicalIn West Dundee
Avina Mechanical CorpIn West Dundee
AWE Air Water Energy4.8★ (1,516)17 mi
BP HEATING LLC5.0★ (2)10 mi
Conservative HeatingIn West Dundee
Conservative Heating & Air Conditioning3.0★ (2)3 mi
Countryview heating and cooling5.0★ (2)5 mi
Dundee Heating & Air ConditioningIn West Dundee
Four Seasons Heating, Air Conditioning, Plumbing, Electric4.7★ (2,787)16 mi
Heating & Air Conditioning3.0★ (2)2 mi
Hoffman Commercial Heating and Cooling5.0★ (2)4 mi
LE Heating And Cooling5.0★ (2)6 mi
Magic HVAC Inc5.0★ (2)9 mi
Master AC & HeatingIn West Dundee
Nick's Action Air5.0★ (2)6 mi
Sparkle HVC/Air Duct Pro4.0★ (1)In West Dundee

How much do HVAC contractors cost in West Dundee?

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

How much do HVAC contractors cost in West Dundee?
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 West Dundee HVAC contractors

We scored 1,084 West Dundee 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 West Dundee 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 West Dundee: frequently asked questions

Who is the best HVAC contractor in West Dundee?

By CR Score, the highest-ranked HVAC contractor in West Dundee, IL is Lifeline Plumbing, Heating & Cooling with a CR Score of 94/100. It has 4.9★ from 3,222 Google reviews. It is open 24/7. Kustom Heating and Cooling (#2) and Leith Heating and Cooling Inc. (#3) follow. We ranked 1,084 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in West Dundee?

ContractorsRanked ranks 1,084 HVAC contractors serving West Dundee, IL. 1 of them is based in West Dundee; 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 West Dundee are open 24/7?

499 ranked HVAC contractors in West Dundee post 24/7 hours. The highest-ranked are Lifeline Plumbing, Heating & Cooling (#1), Kustom Heating and Cooling (#2) and Leith Heating and Cooling Inc. (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in West Dundee work on weekends?

807 of 1,084 ranked HVAC contractors post Saturday hours and 671 post Sunday hours. The highest-ranked open Saturdays are Lifeline Plumbing, Heating & Cooling (#1), Kustom Heating and Cooling (#2) and Leith Heating and Cooling Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in West Dundee?

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

What Google rating do West Dundee HVAC contractors have?

The median Google rating among 1,084 rated HVAC contractors in West Dundee is 4.9★, with a median of 22 reviews. ABC Plumbing, Sewer, Heating, Cooling & Electric has the most, 22,524 reviews, and ranks #11. 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 West Dundee?

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 West Dundee

  1. October 2026: CR Scores recalculated for 1,084 hvac contractors serving West Dundee.
  2. October 2026: 6 duplicate listings merged.

More HVAC contractors and West Dundee pages

Other trades in West Dundee