64/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 6,580 Google reviews, the most in Twin Lakes.
- 4.9★ from 6,580 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1400 Miller Pkwy, McHenry, IL 60050
Best HVAC Contractors in Twin Lakes, WI (2026)
350 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Twin Lakes: Black Diamond Plumbing & Mechanical Inc., CR Score 64/100; 4.9★ from 6,580 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): H. J. Faust, Inc. Heating and Air Conditioning, posts 24/7 hours; ranked #2 of 350.
- 17
Most-reviewed: Midwest Heating & Cooling, 2,376 Google reviews at 4.8★, the most of 350 ranked after Black Diamond Plumbing & Mechanical Inc.; ranked #17.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
350 Twin Lakes HVAC contractors are ranked here by CR Score, from ten published factors. 164 are open 24/7, 252 open Saturdays and 205 open Sundays, based on posted hours. The median Google rating is 4.9★ across 350 rated businesses.
Top 10 HVAC contractors in Twin Lakes at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Black Diamond Plumbing & Mechanical Inc. | 64 | 4.9★ (6,580) | McHenry, 16 mi away | 24/7 | Overall |
| 2 | H. J. Faust, Inc. Heating and Air Conditioning | 64 | 4.9★ (1,340) | Burlington, 9 mi away | 24/7 | Emergencies |
| 3 | Comfort Cavalry Heating & Air | 64 | 4.9★ (1,086) | Antioch, 8 mi away | 24/7 | — |
| 4 | Command Service Center, INC | 63 | 5.0★ (745) | Antioch, 9 mi away | 24/7 | — |
| 5 | Thielmann Heating, Cooling & Plumbing | 62 | 5.0★ (458) | Burlington, 10 mi away | 24/7 | — |
| 6 | American Comfort Solution | 62 | 5.0★ (235) | Antioch, 7 mi away | 24/7 | — |
| 7 | Duane Blanton Plumbing, Sewer, Heating & Cooling | 62 | 4.7★ (2,290) | Round Lake, 14 mi away | 24/7 | — |
| 8 | Lake County Mechanical | 62 | 4.9★ (374) | Antioch, 9 mi away | 24/7 | — |
| 9 | Premier Comfort Heating & Cooling LLC | 61 | 4.9★ (371) | Fox Lake, 11 mi away | 24/7 | — |
| 10 | Woodstock Heating, Cooling & Electrical | 61 | 4.9★ (1,222) | Woodstock, 18 mi away | 24/7 | — |
The 350 best HVAC contractors in Twin Lakes, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Burlington, 9 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 1,340 Google reviews, listed on Google as “Heating contractor”.
- 4.9★ from 1,340 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1008 S Pine St Suite A, Burlington, WI 53105
Based in Antioch, 8 mi away
64/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 1,086 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,086 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 307 Main St Suite 106, Antioch, IL 60002
Based in Antioch, 9 mi away
63/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 745 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 745 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 315 Depot St, Antioch, IL 60002
Based in Burlington, 10 mi away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 458 Google reviews, listed on Google as “Heating contractor”.
- 5.0★ from 458 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 201 S Pine St, Burlington, WI 53105
Based in Antioch, 7 mi away
62/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 235 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 235 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 25179 IL-173, Antioch, IL 60002
Based in Round Lake, 14 mi away
62/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 2,290 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 2,290 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 600 Long Lake Dr, Round Lake, IL 60073
Based in Antioch, 9 mi away
62/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 374 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 374 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 328 North Ave, Antioch, IL 60002
Based in Fox Lake, 11 mi away
61/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 371 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 371 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 509 US-12, Fox Lake, IL 60020
Based in Woodstock, 18 mi away
61/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 1,222 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,222 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 333 E Judd St, Woodstock, IL 60098
Based in Lake Geneva, 14 mi away
61/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 976 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 976 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- N3481 Co Trunk H, Lake Geneva, WI 53147
Based in Waterford, 16 mi away
61/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 448 Google reviews, listed on Google as “Heating contractor”.
- 5.0★ from 448 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 107 N Milwaukee St, Waterford, WI 53185
Based in Johnsburg, 8 mi away
61/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 158 Google reviews, listed on Google as “Heating contractor”.
- 4.9★ from 158 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5717 Weatherstone Way, Johnsburg, IL 60051
Based in McHenry, 16 mi away
61/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 596 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.9★ from 596 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1903 State Rte 31, McHenry, IL 60050
Based in Grayslake, 17 mi away
61/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 986 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 986 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 112 Center St, Grayslake, IL 60030
Based in Woodstock, 19 mi away
60/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 747 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 747 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1257 Cobblestone Way Unit A, Woodstock, IL 60098
Based in Mukwonago, 24 mi away
60/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 2,376 Google reviews, listed on Google as “Air conditioning repair service”.
- 4.8★ from 2,376 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 421 McKenzie Dr, Mukwonago, WI 53149
Based in Lake in the Hills, 23 mi away
60/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 1,374 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,374 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9209 S Illinois Rte 31, Lake in the Hills, IL 60156
Based in Libertyville, 23 mi away
60/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 2,018 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 2,018 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 510 North Ave, Libertyville, IL 60048
Based in Lake Bluff, 25 mi away
60/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 1,064 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 1,064 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 28983 N Herky Dr, Lake Bluff, IL 60044
Based in Lake Geneva, 12 mi away
60/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 174 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 174 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- N 3294 Co Trunk H, Lake Geneva, WI 53147
Based in Fox Lake, 11 mi away
60/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 104 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Lake Villa, 12 mi away
60/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 108 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 108 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 157 N Milwaukee Ave, Lake Villa, IL 60046
Based in Fox Lake, 5 mi away
60/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 69 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 69 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5505 Walnut St, Richmond, IL 60071
Based in Caledonia, 24 mi away
60/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 1,103 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,103 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4603 Durand Ave, Mt Pleasant, WI 53405
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 350 ranked HVAC contractors here; the rest are on their profiles.
Also serving Twin Lakes
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.
| Business | Google rating | Distance |
|---|---|---|
| A & J General | 5.0★ (2) | 24 mi |
| A Hartlett & Son | 4.5★ (2) | 18 mi |
| Air Management Services Inc | 4.0★ (2) | 20 mi |
| Al Misurelli & Son, Inc. | 4.5★ (2) | 22 mi |
| Alex’s Duct Cleaning | 5.0★ (269) | 20 mi |
| Anthonys Heating & Air | 3.0★ (2) | 18 mi |
| Bill's Heating and Cooling Service | 5.0★ (2) | 19 mi |
| Celis HVAC | 5.0★ (2) | 18 mi |
| Eagle Refrigeration Service | 4.5★ (2) | 10 mi |
| G&G vargas | 5.0★ (2) | 14 mi |
| GO GREEN Heating & Cooling | 5.0★ (2) | 22 mi |
| Leachman HVAC and Maintenance, LLC | 5.0★ (2) | 23 mi |
| Magic HVAC Inc | 5.0★ (2) | 22 mi |
| Mannina Creations | 5.0★ (2) | 10 mi |
| Southport Mechanical | 2.5★ (2) | 22 mi |
| T2 HVAC | 5.0★ (1) | In Twin Lakes |
| Thermal Mechanical Inc. | 3.0★ (2) | 19 mi |
| Triple Tech Services | 4.8★ (232) | 19 mi |
| Vita HVAC Services | 5.0★ (2) | 21 mi |
| Weatherwise Heating & Air Conditioning | 5.0★ (2) | 21 mi |
How much do HVAC contractors cost in Twin Lakes?
National price ranges in USD, not adjusted for Twin Lakes. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
When to hire an HVAC contractor in Wisconsin
In Wisconsin, 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 Twin Lakes HVAC contractors
We scored 350 Twin Lakes 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.
| Factor | Weight | Computed from | In Twin Lakes data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
HVAC contractors in Twin Lakes: frequently asked questions
Who is the best HVAC contractor in Twin Lakes?
By CR Score, the highest-ranked HVAC contractor in Twin Lakes, WI is Black Diamond Plumbing & Mechanical Inc. with a CR Score of 64/100. It has 4.9★ from 6,580 Google reviews. It is open 24/7. H. J. Faust, Inc. Heating and Air Conditioning (#2) and Comfort Cavalry Heating & Air (#3) follow. We ranked 350 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Twin Lakes?
ContractorsRanked ranks 350 HVAC contractors serving Twin Lakes, WI. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Twin Lakes are open 24/7?
164 ranked HVAC contractors in Twin Lakes post 24/7 hours. The highest-ranked are Black Diamond Plumbing & Mechanical Inc. (#1), H. J. Faust, Inc. Heating and Air Conditioning (#2) and Comfort Cavalry Heating & Air (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Twin Lakes work on weekends?
252 of 350 ranked HVAC contractors post Saturday hours and 205 post Sunday hours. The highest-ranked open Saturdays are Black Diamond Plumbing & Mechanical Inc. (#1), H. J. Faust, Inc. Heating and Air Conditioning (#2) and Comfort Cavalry Heating & Air (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Twin Lakes?
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 Twin Lakes. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Twin Lakes HVAC contractors have?
The median Google rating among 350 rated HVAC contractors in Twin Lakes is 4.9★, with a median of 27 reviews. Black Diamond Plumbing & Mechanical Inc. has the most, 6,580 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 Twin Lakes?
In Wisconsin, 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 Twin Lakes
- October 2026: CR Scores recalculated for 350 hvac contractors serving Twin Lakes.
- October 2026: 3 duplicate listings merged.
More HVAC contractors and Twin Lakes pages
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- Concrete contractors in Twin Lakes150 ranked
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- Deck builders in Twin Lakes115 ranked
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- Window installers in Twin Lakes557 ranked
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- Solar installers in Twin Lakes50 ranked
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- Tree services in Twin Lakes182 ranked
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