Skip to content
ContractorsRanked

Best HVAC Contractors in Geneva, IL (2026)

1,097 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Geneva: McNally's Heating and Cooling, CR Score 93/100; 4.9★ from 2,593 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): One Hour Heating & Air Conditioning, posts 24/7 hours; ranked #2 of 1,097.

  3. 39

    Most-reviewed: ABC Plumbing, Sewer, Heating, Cooling & Electric, 22,524 Google reviews at 4.7★, the most of 1,097 ranked; ranked #39.

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

1,097 Geneva HVAC contractors are ranked here by CR Score, from 8 published factors. 503 are open 24/7, 819 open Saturdays and 693 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,097 rated businesses.

Top 10 HVAC contractors in Geneva at a glance

Top 10 HVAC contractors in Geneva at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1McNally's Heating and Cooling934.9★ (2,593)Batavia, 2 mi away24/7Overall
2One Hour Heating & Air Conditioning934.9★ (1,873)Saint Charles, 2 mi away24/7Emergencies
3Chris Heating & Cooling925.0★ (942)West Chicago, 4 mi away24/7—
4Blue Frost Heating & Cooling924.9★ (1,482)West Chicago, 4 mi away24/7—
5Comfort Masters Service Experts924.8★ (1,224)Geneva24/7—
6Borter Heating & Air Conditioning Co915.0★ (1,316)Wheaton, 9 mi away24/7—
7Precision Today Plumbing Heating Cooling Electrical914.8★ (7,723)Carol Stream, 11 mi away24/7—
8TR Miller Heating, Cooling, Plumbing and Electrical914.9★ (10,641)Plainfield, 16 mi away24/7—
9Doc's HVAC914.9★ (278)Geneva24/7—
10Kustom Heating and Cooling905.0★ (1,021)Elgin, 10 mi away24/7—

The 1,097 best HVAC contractors in Geneva, 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.

  9. #9 Doc's HVAC

    Based in Geneva

    91/100CR Score

    Ranked #9 because of its Google rating and availability: 4.9★ from 278 Google reviews, open 24/7.

    • 4.9★ from 278 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    648 North St Suite 101, Geneva, IL 60134
    View profile for Doc's HVAC(630) 965-9444

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 1,097 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Geneva, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Andersen Plumbing, Heating and AC Repair895.0★ (434)11 mi
27McNally's Heating & Cooling of Bartlett895.0★ (235)8 mi
28Youngren's, Inc. Heating & Cooling894.9★ (408)8 mi
29Improved Comfort Heating & Air Conditioning895.0★ (60)In Geneva
30Buchner Heating, Air & Plumbing894.9★ (440)9 mi
31Nortek Environmental894.9★ (381)9 mi
32Residential Heating & Cooling894.9★ (905)13 mi
33Brian's Heating & Air Conditioning894.8★ (336)5 mi
34Franzen Heating & Cooling894.9★ (396)9 mi
35Full Force Heating & Air Conditioning895.0★ (126)6 mi
36ARS / Rescue Rooter884.7★ (4,969)15 mi
37Amazing Air Inc.884.8★ (322)6 mi
38Comfort Pride Services885.0★ (319)12 mi
39ABC Plumbing, Sewer, Heating, Cooling & Electric884.7★ (22,524)24 mi
40Comfort Masters Service Experts884.8★ (1,645)14 mi
41Comfort Services Heating & Air Conditioning884.9★ (1,422)17 mi
42G & R Heating and Air884.8★ (2,067)15 mi
43Family Man Heating and Cooling885.0★ (530)15 mi
44AQC Services Inc HVAC & Appliance Repair885.0★ (286)12 mi
45American Star Total Home Comfort885.0★ (1,104)20 mi
46Eco Temp HVAC884.9★ (57)1 mi
47Mel-O-Air Heating and Air Conditioning, Inc.884.9★ (268)10 mi
48Precision Air885.0★ (584)17 mi
49Gray's Mechanical LLC - Carol Stream884.9★ (294)11 mi
50JNL Climate Control, Inc.884.9★ (820)16 mi

Also serving Geneva

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 Geneva
BusinessGoogle ratingDistance
Ace Comfort Care LLC5.0★ (2)6 mi
Advanced Cooler Inc4.5★ (2)In Geneva
AiRod Heating And Cooling5.0★ (2)9 mi
All In 01 Services5.0★ (2)2 mi
American Comfort Heating & Air ConditioningIn Geneva
Anura Home Energy Services5.0★ (2)10 mi
Chris Heating & Cooling5.0★ (75)In Geneva
D O C's HVAC Inc5.0★ (2)6 mi
DeLuxe HVACR Inc.5.0★ (1)In Geneva
Docs HVAC5.0★ (1)In Geneva
Elite Heating and Cooling LLC5.0★ (2)9 mi
Faith Mechanical, Inc.2.5★ (2)7 mi
HCE XXI ServicesIn Geneva
HVAC Options Inc5.0★ (2)3 mi
Marc's Heating & Cooling5.0★ (2)9 mi
Mr. Greg's HVAC Chicago3.0★ (2)10 mi
Neighbors West Heating & cooling4.5★ (2)9 mi
OneStop Pro Plumbing, Heating, Cooling & Electric4.9★ (836)10 mi
Service Plus Heating & Cooling5.0★ (2)9 mi
Tamarack Heating & Cooling Inc5.0★ (2)9 mi

How much do HVAC contractors cost in Geneva?

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

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

We scored 1,097 Geneva 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 Geneva 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 Geneva: frequently asked questions

Who is the best HVAC contractor in Geneva?

By CR Score, the highest-ranked HVAC contractor in Geneva, IL is McNally's Heating and Cooling with a CR Score of 93/100. It has 4.9★ from 2,593 Google reviews. It is open 24/7. One Hour Heating & Air Conditioning (#2) and Chris Heating & Cooling (#3) follow. We ranked 1,097 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Geneva?

ContractorsRanked ranks 1,097 HVAC contractors serving Geneva, IL. 4 of them are based in Geneva; 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 Geneva are open 24/7?

503 ranked HVAC contractors in Geneva post 24/7 hours. The highest-ranked are McNally's Heating and Cooling (#1), One Hour Heating & Air Conditioning (#2) and Chris Heating & Cooling (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Geneva work on weekends?

819 of 1,097 ranked HVAC contractors post Saturday hours and 693 post Sunday hours. The highest-ranked open Saturdays are McNally's Heating and Cooling (#1), One Hour Heating & Air Conditioning (#2) and Chris Heating & Cooling (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Geneva?

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

What Google rating do Geneva HVAC contractors have?

The median Google rating among 1,097 rated HVAC contractors in Geneva is 4.9★, with a median of 22 reviews. ABC Plumbing, Sewer, Heating, Cooling & Electric has the most, 22,524 reviews, and ranks #39. 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 Geneva?

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 Geneva

  1. October 2026: CR Scores recalculated for 1,097 hvac contractors serving Geneva.
  2. October 2026: 7 duplicate listings merged.

More HVAC contractors and Geneva pages

Other trades in Geneva