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ContractorsRanked

Best HVAC Contractors in Arnold, MO (2026)

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

The short answer

  1. 1

    Best overall in Arnold: Classic Aire Care, CR Score 94/100; 5.0★ from 1,400 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Rhymes Heating and Cooling, posts 24/7 hours; ranked #2 of 366.

  3. 11

    Most-reviewed: Hoffmann Brothers, 10,949 Google reviews at 4.9★, the most of 366 ranked; ranked #11.

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

366 Arnold HVAC contractors are ranked here by CR Score, from 8 published factors. 124 are open 24/7, 235 open Saturdays and 195 open Sundays, based on posted hours. The median Google rating is 4.9★ across 366 rated businesses.

Top 10 HVAC contractors in Arnold at a glance

Top 10 HVAC contractors in Arnold at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Classic Aire Care945.0★ (1,400)Arnold24/7Overall
2Rhymes Heating and Cooling935.0★ (1,430)St. Louis, 7 mi away24/7Emergencies
3Scott-Lee Company934.9★ (2,175)St. Louis, 6 mi away24/7—
4Martin Jetco Heating & Air Conditioning914.9★ (1,177)Eureka, 8 mi away24/7—
5Academy Air Heating, Cooling, Plumbing and Electric914.8★ (875)Barnhart, 3 mi away24/7—
6Classic Aire Care914.9★ (4,820)St. Louis, 17 mi away24/7—
7Hoffmann Brothers914.9★ (5,847)St. Louis, 19 mi away24/7—
8Jerry Kelly Heating & Air Conditioning904.9★ (1,825)Ballwin, 14 mi away24/7—
9Classic Aire Care905.0★ (1,014)Ballwin, 16 mi away24/7—
10Chesterfield Service904.9★ (4,286)Chesterfield, 21 mi away24/7—

The 366 best HVAC contractors in Arnold, 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.

  1. Ranked #1 in Arnold

    #1 Classic Aire Care

    Based in Arnold

    94/100CR Score

    Ranked #1 because of its Google rating and availability: 5.0★ from 1,400 Google reviews, open 24/7.

    • 5.0★ from 1,400 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2104 Tenbrook Rd, Arnold, MO 63010
    View profile for Classic Aire Care(636) 220-5859

  3. #3 Scott-Lee Company

    Based in St. Louis, 6 mi away

    93/100CR Score

    Ranked #3 because of its Google rating and availability: 4.9★ from 2,175 Google reviews, open 24/7.

    • 4.9★ from 2,175 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11010 Gravois Industrial Ct, St. Louis, MO 63128
    View profile for Scott-Lee Company(314) 828-8505

  6. #6 Classic Aire Care

    Based in St. Louis, 17 mi away

    91/100CR Score

    Ranked #6 because of its Google rating and availability: 4.9★ from 4,820 Google reviews, open 24/7.

    • 4.9★ from 4,820 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1276 N Warson Rd, St. Louis, MO 63132
    View profile for Classic Aire Care(314) 988-2501

  7. #7 Hoffmann Brothers

    Based in St. Louis, 19 mi away

    91/100CR Score

    Ranked #7 because of its Google rating and availability: 4.9★ from 5,847 Google reviews, open 24/7.

    • 4.9★ from 5,847 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2043 Woodland Pkwy #100, St. Louis, MO 63146
    View profile for Hoffmann Brothers(314) 880-7437

  9. #9 Classic Aire Care

    Based in Ballwin, 16 mi away

    90/100CR Score

    Ranked #9 because of its Google rating and availability: 5.0★ from 1,014 Google reviews, open 24/7.

    • 5.0★ from 1,014 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    930 Kehrs Mill Rd suite 325-9, Ballwin, MO 63011
    View profile for Classic Aire Care(636) 200-8250

  10. #10 Chesterfield Service

    Based in Chesterfield, 21 mi away

    90/100CR Score

    Ranked #10 because of its Google rating and availability: 4.9★ from 4,286 Google reviews, open 24/7.

    • 4.9★ from 4,286 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    245 Chesterfield Industrial Blvd, Chesterfield, MO 63005
    View profile for Chesterfield Service(636) 837-1949

  11. #11 Hoffmann Brothers

    Based in Brentwood, 13 mi away

    90/100CR Score

    Ranked #11 because of its Google rating and review volume: 4.9★ from 10,949 Google reviews, the most Google reviews on this list (10,949).

    • 4.9★ from 10,949 Google reviews
    Hours
    Mon–Sun 6 AM–9 PM
    Address
    1025 Hanley Industrial Ct, Brentwood, MO 63144
    View profile for Hoffmann Brothers(314) 347-1403

  15. #15 Perfect Air

    Based in Festus, 14 mi away

    89/100CR Score

    Ranked #15 because of its Google rating and availability: 4.9★ from 807 Google reviews, open 24/7.

    • 4.9★ from 807 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    503 Warne St, Festus, MO 63028
    View profile for Perfect Air(636) 937-2578

  17. #17 BELOMAN

    Based in Belleville, 19 mi away

    88/100CR Score

    Ranked #17 because of its Google rating and availability: 4.9★ from 1,500 Google reviews, open 24/7.

    • 4.9★ from 1,500 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5909 Cool Sports Rd, Belleville, IL 62223
    View profile for BELOMAN(618) 235-6626

  21. #21 Meyer Heating and Air

    Based in St. Louis, 6 mi away

    88/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.9★ from 1,051 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,051 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    Address
    11134 Lindbergh Business Ct Suite D, St. Louis, MO 63123
    View profile for Meyer Heating and Air(314) 845-1929

  25. #25 Classic Aire Care

    Based in Fairview Heights, 25 mi away

    88/100CR Score

    Ranked #25 because of its Google rating and availability: 5.0★ from 1,160 Google reviews, open 24/7.

    • 5.0★ from 1,160 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13 Executive Dr Suite 15, Fairview Heights, IL 62208
    View profile for Classic Aire Care(618) 213-2690

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

HVAC contractors in Arnold, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Jersey heating and cooling llc885.0★ (163)13 mi
27SmartHouse Heating and Cooling884.9★ (476)16 mi
28Design Aire Heating & Cooling - St. Louis885.0★ (926)11 mi
29Froggy's Heating and Air, LLC875.0★ (20)In Arnold
30Saylors Systems Heating and AC Repair875.0★ (174)14 mi
31Weis Comfort Systems874.8★ (152)9 mi
32B & B Heating & Cooling874.9★ (1,285)24 mi
33Marciante Diversified Heating and Cooling874.6★ (41)In Arnold
34Faith Mechanical875.0★ (75)11 mi
35Hosack Plumbing, Heating & Cooling874.9★ (153)13 mi
36Reinhold Heating & Cooling875.0★ (62)10 mi
37JLM Heating and Air Conditioning865.0★ (151)4 mi
38Kirkwood Heating & Air Conditioning864.7★ (135)9 mi
39Pioneer Mechanical, LLC.864.9★ (130)15 mi
40Design Aire Heating and Cooling864.9★ (2,541)19 mi
41Arch Air Services864.9★ (303)20 mi
42DC Heating & Cooling865.0★ (29)9 mi
43Future Aire864.7★ (320)15 mi
44Hely Heating and Air Conditioning Co.864.7★ (41)6 mi
45Integrity Aire865.0★ (288)24 mi
46Lunk's Heating & Cooling855.0★ (29)11 mi
47American Heating & Air Conditioning855.0★ (40)13 mi
48The Furnace Guys Heating & Cooling LLC855.0★ (123)21 mi
49Controlled Heating & Air Conditioning, Inc.854.6★ (19)In Arnold
50Eureka Heating and Cooling854.8★ (104)16 mi

Also serving Arnold

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 Arnold
BusinessGoogle ratingDistance
Advanced HVAC Solutions5.0★ (27)12 mi
Bates Electric4.8★ (1,366)In Arnold
Brentwood Heating, Cooling & Duct Cleaning5.0★ (2)20 mi
Coleman Heating and Sheet Metal5.0★ (2)24 mi
Countryside Heating & Cooling4.0★ (1)In Arnold
Dee Heating and Cooling5.0★ (2)17 mi
Efficient Heating & Cooling & AppliancesIn Arnold
Elite Heating & Cooling1.0★ (2)21 mi
Golden Touch Hvac of Maryland Heights5.0★ (2)20 mi
Midwest Radiant Heat Inc3.0★ (2)In Arnold
Missouri Furnace & Air Conditioning4.9★ (275)24 mi
Optimal Heating and Cooling5.0★ (2)24 mi
Rathgeber Heating Co5.0★ (18)5 mi
Schwartz & Sons LLC.In Arnold
Sears Heating and Air Conditioning2.0★ (2)18 mi
SERVPRO of Arnold/North Jefferson County4.9★ (58)In Arnold
SMART St. Louis5.0★ (2)18 mi
TC Heating and Cooling5.0★ (2)17 mi
Triple L3.5★ (2)21 mi
WSM Inc. S.I.5.0★ (2)19 mi

How much do HVAC contractors cost in Arnold?

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

How much do HVAC contractors cost in Arnold?
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 Missouri

HVAC demand peaks in summer for cooling and in winter for heating. Spring and fall are the easiest times to book maintenance or a replacement.

How we ranked Arnold HVAC contractors

We scored 366 Arnold 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 Arnold 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 Arnold: frequently asked questions

Who is the best HVAC contractor in Arnold?

By CR Score, the highest-ranked HVAC contractor in Arnold, MO is Classic Aire Care with a CR Score of 94/100. It has 5.0★ from 1,400 Google reviews. It is open 24/7. Rhymes Heating and Cooling (#2) and Scott-Lee Company (#3) follow. We ranked 366 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Arnold?

ContractorsRanked ranks 366 HVAC contractors serving Arnold, MO. 4 of them are based in Arnold; 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 Arnold are open 24/7?

124 ranked HVAC contractors in Arnold post 24/7 hours. The highest-ranked are Classic Aire Care (#1), Rhymes Heating and Cooling (#2) and Scott-Lee Company (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Arnold work on weekends?

235 of 366 ranked HVAC contractors post Saturday hours and 195 post Sunday hours. The highest-ranked open Saturdays are Classic Aire Care (#1), Rhymes Heating and Cooling (#2) and Scott-Lee Company (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Arnold?

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

What Google rating do Arnold HVAC contractors have?

The median Google rating among 366 rated HVAC contractors in Arnold is 4.9★, with a median of 22 reviews. Hoffmann Brothers has the most, 10,949 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 Arnold?

HVAC demand peaks in summer for cooling and in winter for heating. 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 Arnold

  1. October 2026: CR Scores recalculated for 366 hvac contractors serving Arnold.
  2. October 2026: 1 duplicate listing merged.

More HVAC contractors and Arnold pages

Other trades in Arnold