Skip to content
ContractorsRanked

Best HVAC Contractors in Chicago Loop, IL (2026)

1,327 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Chicago Loop: Four Seasons Heating, Air Conditioning, Plumbing, & Electric, CR Score 92/100; 4.7★ from 27,709 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Deljo Heating, Cooling & Plumbing, posts 24/7 hours; ranked #2 of 1,327.

  3. 31

    Most-reviewed: Four Seasons Heating, Air Conditioning, Plumbing, & Electric, 4,200 Google reviews at 4.7★, the most of 1,327 ranked after Four Seasons Heating, Air Conditioning, Plumbing, & Electric; ranked #31.

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

1,327 Chicago Loop HVAC contractors are ranked here by CR Score, from 8 published factors. 529 are open 24/7, 1,016 open Saturdays and 819 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,327 rated businesses.

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

Top 10 HVAC contractors in Chicago Loop at a glance

Top 10 HVAC contractors in Chicago Loop at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Four Seasons Heating, Air Conditioning, Plumbing, & Electric924.7★ (27,709)Chicago, 11 mi away24/7Overall
2Deljo Heating, Cooling & Plumbing914.9★ (3,196)Chicago, 9 mi away24/7Emergencies
3All Temp Heating and Air Conditioning914.9★ (2,253)Chicago, 8 mi away24/7—
4Shavitz Heating and Air Conditioning914.9★ (2,707)Skokie, 11 mi away24/7—
5Goode Plumbing904.8★ (2,374)Chicago, 8 mi away24/7—
6Oasis Plumbing, Heating & Cooling904.9★ (1,055)Chicago, 8 mi away24/7—
7Global Heating and Cooling LLC904.9★ (297)Chicago, 2 mi away24/7—
8Guardian Heating & Cooling Service904.8★ (1,189)Chicago, 6 mi away24/7—
9Tabor's Complete Comfort Mechanical904.9★ (242)Chicago, 2 mi away24/7—
10Browns Heating & Cooling904.9★ (199)Chicago, 1 mi away24/7—

The 1,327 best HVAC contractors in Chicago Loop, 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.

  5. #5 Goode Plumbing

    Based in Chicago, 8 mi away

    90/100CR Score

    Ranked #5 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

  11. #11 Eco Temp HVAC

    Based in Chicago, 1 mi away

    90/100CR Score

    Ranked #11 because of its Google rating and availability: 5.0★ from 141 Google reviews, open 24/7.

    • 5.0★ from 141 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1210 S Indiana Ave APT 4611, Chicago, IL 60605
    View profile for Eco Temp HVAC(224) 253-8131

  13. #13 Besco Air Inc.

    Based in Chicago, 11 mi away

    90/100CR Score

    Ranked #13 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

  16. #16 Cosmic HVAC Inc.

    Based in Chicago, 2 mi away

    89/100CR Score

    Ranked #16 because of its Google rating and availability: 5.0★ from 137 Google reviews, open 24/7.

    • 5.0★ from 137 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1655 S Blue Island Ave Suite 422, Chicago, IL 60608
    View profile for Cosmic HVAC Inc.(872) 222-3059

  17. #17 Hero Air

    Based in Chicago, 7 mi away

    89/100CR Score

    Ranked #17 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

  22. #22 House of Heat

    Based in Oak Park, 8 mi away

    89/100CR Score

    Ranked #22 because of its Google rating and availability: 4.9★ from 402 Google reviews, open 24/7.

    • 4.9★ from 402 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    334 Harrison St, Oak Park, IL 60304
    View profile for House of Heat(708) 848-3291

HVAC contractors ranked #26 to #31

#1 to #25 are shown in full above. Here are #26 to #31, in CR Score order; each links to its profile. We publish the top 31 of 1,327 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Chicago Loop, ranks 26 to 31
RankBusinessCR ScoreGoogle ratingDistance
26Heatmasters884.8★ (708)9 mi
31Four Seasons Heating, Air Conditioning, Plumbing, & Electric884.7★ (4,200)15 mi

How much do HVAC contractors cost in Chicago Loop?

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

How much do HVAC contractors cost in Chicago Loop?
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 Chicago Loop HVAC contractors

We scored 1,327 Chicago Loop 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 Chicago Loop 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 Chicago Loop: frequently asked questions

Who is the best HVAC contractor in Chicago Loop?

By CR Score, the highest-ranked HVAC contractor in Chicago Loop, IL is Four Seasons Heating, Air Conditioning, Plumbing, & Electric with a CR Score of 92/100. It has 4.7★ from 27,709 Google reviews. It is open 24/7. Deljo Heating, Cooling & Plumbing (#2) and All Temp Heating and Air Conditioning (#3) follow. We ranked 1,327 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Chicago Loop?

ContractorsRanked ranks 1,327 HVAC contractors serving Chicago Loop, IL. Counts are as of October 2026.

Which HVAC contractors in Chicago Loop are open 24/7?

529 ranked HVAC contractors in Chicago Loop post 24/7 hours. The highest-ranked are Four Seasons Heating, Air Conditioning, Plumbing, & Electric (#1), Deljo Heating, Cooling & Plumbing (#2) and All Temp Heating and Air Conditioning (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Chicago Loop work on weekends?

1,016 of 1,327 ranked HVAC contractors post Saturday hours and 819 post Sunday hours. The highest-ranked open Saturdays are Four Seasons Heating, Air Conditioning, Plumbing, & Electric (#1), Deljo Heating, Cooling & Plumbing (#2) and All Temp Heating and Air Conditioning (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Chicago Loop?

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

What Google rating do Chicago Loop HVAC contractors have?

The median Google rating among 1,327 rated HVAC contractors in Chicago Loop is 4.9★, with a median of 20 reviews. Four Seasons Heating, Air Conditioning, Plumbing, & Electric has the most, 27,709 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 Chicago Loop?

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 Chicago Loop

  1. October 2026: CR Scores recalculated for 1,327 hvac contractors serving Chicago Loop.
  2. October 2026: 8 duplicate listings merged.

More HVAC contractors and Chicago Loop pages

Other trades in Chicago Loop