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ContractorsRanked

Best HVAC Contractors in Mahomet, IL (2026)

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

The short answer

  1. 1

    Best overall in Mahomet: Lanz Plumbing, Heating & Cooling, Inc., CR Score 66/100; 4.9★ from 2,758 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Mattex Heating, Cooling, Plumbing, Drain and Electrical, posts 24/7 hours; ranked #2 of 42.

  3. 15

    Most-reviewed: 217, Inc., 1,662 Google reviews at 4.9★, the most of 42 ranked after Lanz Plumbing, Heating & Cooling, Inc.; ranked #15.

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

42 Mahomet HVAC contractors are ranked here by CR Score, from ten published factors. 22 are open 24/7, 28 open Saturdays and 25 open Sundays, based on posted hours. The median Google rating is 4.9★ across 42 rated businesses.

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

Top 10 HVAC contractors in Mahomet at a glance

Top 10 HVAC contractors in Mahomet at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Lanz Plumbing, Heating & Cooling, Inc.664.9★ (2,758)Champaign, 8 mi away24/7Overall
2Mattex Heating, Cooling, Plumbing, Drain and Electrical644.9★ (212)Mahomet24/7Emergencies
3Castle Home Comfort Heating, Cooling & Plumbing644.9★ (1,186)Champaign, 11 mi away24/7—
4Edelman Heating, Cooling, Plumbing, Electric & Solar644.9★ (830)Champaign, 11 mi away24/7—
5Dogtown Heating, Air & Plumbing624.9★ (297)Urbana, 12 mi away24/7—
6Bash Heating & Air Conditioning Inc614.9★ (149)Champaign, 9 mi away24/7—
7Mattex Heating, Cooling, Plumbing, Drain and Electrical614.9★ (196)Monticello, 14 mi away24/7—
8Bratcher Heating & Air Conditioning604.8★ (96)Champaign, 8 mi away24/7—
9Fred's Plumbing Heating Air Conditioning604.9★ (851)Champaign, 9 mi away24/7—
10Champaign Heating & Air Inc.604.7★ (22)Mahomet24/7—

The 42 best HVAC contractors in Mahomet, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  11. #11 Omni Home Comfort

    Based in Champaign, 10 mi away

    60/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.7★ from 138 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 138 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2801 Gemini Ct, Champaign, IL 61822
    View profile for Omni Home Comfort(217) 403-9039

  13. #13 Classic Plumbing and Air

    Based in Mahomet

    60/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 237 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 237 Google reviews
    Hours
    Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
    Address
    1214 N Lombard St, Mahomet, IL 61853
    View profile for Classic Plumbing and Air(217) 586-7473

  15. #15 217, Inc.

    Based in Champaign, 8 mi away

    59/100CR Score

    Ranked #15 because of its Google rating and review volume: 4.9★ from 1,662 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 1,662 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    303 N Country Fair Dr, Champaign, IL 61821
    View profile for 217, Inc.(217) 402-7984

  17. #17 Remco Electric

    Based in Champaign, 9 mi away

    59/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 30 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    903 Francis Dr, Champaign, IL 61821
    View profile for Remco Electric(217) 250-2936

  20. #20 Xtreme Mechanical Inc

    Based in Champaign, 9 mi away

    58/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.8★ from 14 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 14 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4912 W Windsor Rd, Champaign, IL 61822
    View profile for Xtreme Mechanical Inc(217) 863-2090

  21. #21 Ray's Heating & Cooling

    Based in Champaign, 4 mi away

    57/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 112 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 112 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    700 County Rd 2175 North, Champaign, IL 61822
    View profile for Ray's Heating & Cooling(217) 250-2127

  22. #22 Dubson Heating, Air Conditioning & Refrigeration, Inc.

    Based in Monticello, 15 mi away

    57/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 525 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 525 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    406 W Main St, Monticello, IL 61856
    View profile for Dubson Heating, Air Conditioning & Refrigeration, Inc.(217) 762-8151

  23. #23 Purcell Service

    Based in Rantoul, 15 mi away

    57/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.6★ from 44 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 44 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    604 Eagle Dr, Rantoul, IL 61866
    View profile for Purcell Service(217) 352-7500

HVAC contractors ranked #29 to #33

#1 to #25 are shown in full above. Here are #29 to #33, in CR Score order; each links to its profile. We publish the top 33 of 42 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Mahomet, ranks 29 to 33
RankBusinessCR ScoreGoogle ratingDistance
29Sussen Heating & Cooling544.5★ (11)21 mi
30G's General Repairs and Maintenance535.0★ (10)In Mahomet
32Alpha Controls & Services LLC533.7★ (3)8 mi
33Edelman Heating, Cooling, Plumbing, Electric & Solar523.7★ (6)7 mi

How much do HVAC contractors cost in Mahomet?

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

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

We scored 42 Mahomet HVAC contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Mahomet data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Mahomet: frequently asked questions

Who is the best HVAC contractor in Mahomet?

By CR Score, the highest-ranked HVAC contractor in Mahomet, IL is Lanz Plumbing, Heating & Cooling, Inc. with a CR Score of 66/100. It has 4.9★ from 2,758 Google reviews. It is open 24/7. Mattex Heating, Cooling, Plumbing, Drain and Electrical (#2) and Castle Home Comfort Heating, Cooling & Plumbing (#3) follow. We ranked 42 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Mahomet?

ContractorsRanked ranks 42 HVAC contractors serving Mahomet, IL. 5 of them are based in Mahomet; the rest serve it from nearby towns. Counts are as of October 2026.

Which HVAC contractors in Mahomet are open 24/7?

22 ranked HVAC contractors in Mahomet post 24/7 hours. The highest-ranked are Lanz Plumbing, Heating & Cooling, Inc. (#1), Mattex Heating, Cooling, Plumbing, Drain and Electrical (#2) and Castle Home Comfort Heating, Cooling & Plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Mahomet work on weekends?

28 of 42 ranked HVAC contractors post Saturday hours and 25 post Sunday hours. The highest-ranked open Saturdays are Lanz Plumbing, Heating & Cooling, Inc. (#1), Mattex Heating, Cooling, Plumbing, Drain and Electrical (#2) and Castle Home Comfort Heating, Cooling & Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Mahomet?

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

What Google rating do Mahomet HVAC contractors have?

The median Google rating among 42 rated HVAC contractors in Mahomet is 4.9★, with a median of 91 reviews. Lanz Plumbing, Heating & Cooling, Inc. has the most, 2,758 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 Mahomet?

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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Mahomet

  1. October 2026: CR Scores recalculated for 42 hvac contractors serving Mahomet.

More HVAC contractors and Mahomet pages

Other trades in Mahomet