656 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Munster: Summers Plumbing Heating & Cooling, CR Score 63/100; 4.9★ from 4,666 Google reviews; open 24/7.
Best for emergencies (open 24/7): Four Seasons Heating, Air Conditioning, Plumbing, & Electric, posts 24/7 hours; ranked #2 of 656.
Most-reviewed: Four Seasons Heating, Air Conditioning, Plumbing, & Electric, 27,709 Google reviews at 4.7★, the most of 656 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
656 Munster HVAC contractors are ranked here by CR Score, from ten published factors. 261 are open 24/7, 498 open Saturdays and 386 open Sundays, based on posted hours. The median Google rating is 4.9★ across 656 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Summers Plumbing Heating & Cooling | 63 | 4.9★ (4,666) | Crown Point, 12 mi away | 24/7 | Overall |
| 2 | Four Seasons Heating, Air Conditioning, Plumbing, & Electric | 62 | 4.7★ (27,709) | Chicago, 19 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Four Seasons Heating, Air Conditioning, Plumbing, & Electric | 62 | 4.8★ (3,722) | Crestwood, 13 mi away | 24/7 | — |
| 4 | Merts Heating & Air Conditioning | 62 | 4.8★ (1,449) | Steger, 9 mi away | 24/7 | — |
| 5 | King Heating, Cooling & Plumbing | 62 | 4.7★ (3,996) | Oak Forest, 12 mi away | 24/7 | — |
| 6 | Hoekstra Heating & Air Conditioning | 62 | 4.9★ (2,200) | Homewood, 8 mi away | Sat · Sun · Evenings | — |
| 7 | AAA Services, Inc. - Heating, Air Conditioning & Plumbing | 61 | 4.9★ (486) | Merrillville, 10 mi away | 24/7 | — |
| 8 | Illiana Heating & Air Conditioning, Inc. | 61 | 4.9★ (2,179) | Cedar Lake, 11 mi away | Sat · Sun · Evenings | — |
| 9 | Air Source 1 Heating & Air Conditioning | 60 | 5.0★ (664) | Mokena, 16 mi away | 24/7 | — |
| 10 | Precision Heating and Cooling | 60 | 4.9★ (842) | Alsip, 15 mi away | 24/7 | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 4,666 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 19 mi away
Ranked #2 because of its Google rating and review volume: 4.7★ from 27,709 Google reviews, the most in Munster.
Based in Crestwood, 13 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 3,722 Google reviews, listed on Google as “HVAC contractor”.
Based in Steger, 9 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 1,449 Google reviews, listed on Google as “Furnace repair service”.
Based in Oak Forest, 12 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 3,996 Google reviews, listed on Google as “HVAC contractor”.
Based in Homewood, 8 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 2,200 Google reviews, listed on Google as “HVAC contractor”.
Based in Merrillville, 10 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 486 Google reviews, listed on Google as “HVAC contractor”.
Based in Cedar Lake, 11 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 2,179 Google reviews, listed on Google as “Heating contractor”.
Based in Mokena, 16 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 664 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Alsip, 15 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 842 Google reviews, listed on Google as “Heating contractor”.
Based in Bridgeview, 18 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 4,200 Google reviews, listed on Google as “HVAC contractor”.
Based in Merrillville, 11 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 508 Google reviews, listed on Google as “HVAC contractor”.
Based in Merrillville, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 486 Google reviews, listed on Google as “HVAC contractor”.
Based in Hobart, 11 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 516 Google reviews, listed on Google as “HVAC contractor”.
Based in Tinley Park, 23 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 2,423 Google reviews, listed on Google as “HVAC contractor”.
Based in Gary, 15 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 368 Google reviews, listed on Google as “HVAC contractor”.
Based in Hobart, 15 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 310 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 13 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 500 Google reviews, listed on Google as “HVAC contractor”.
Based in Hobart, 13 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 295 Google reviews, listed on Google as “HVAC contractor”.
Based in Glenwood, 4 mi away
Ranked #20 because of its Google rating and trade focus: 4.6★ from 166 Google reviews, listed on Google as “Heating contractor”.
Based in Crown Point, 13 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 275 Google reviews, listed on Google as “HVAC contractor”.
Based in Alsip, 15 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 600 Google reviews, listed on Google as “HVAC contractor”.
Based in Hobart, 5 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “HVAC contractor”.
Based in Mokena, 16 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 440 Google reviews, listed on Google as “HVAC contractor”.
Based in Oak Lawn, 16 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 783 Google reviews, listed on Google as “HVAC contractor”.
#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 656 ranked HVAC contractors here; the rest are on their profiles.
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 |
|---|---|---|
| All You Need Heating, Ventilation, AC & Refrigeration Professionals | 4.9★ (53) | 7 mi |
| BMWC Constructors | 5.0★ (4) | In Munster |
| Calumet Heating & Cooling | 3.0★ (2) | 12 mi |
| CMK Contractors Inc | 5.0★ (2) | 12 mi |
| Coleman LLC | 5.0★ (2) | 16 mi |
| Comfort Zone Service | 5.0★ (296) | 18 mi |
| Cotton Construction | 5.0★ (2) | 13 mi |
| Crown Heating & Cooling Inc | 1.0★ (2) | 13 mi |
| Dynamic Heating & Piping | 1.0★ (2) | 13 mi |
| Earl's Heating & Airconditiong | 5.0★ (2) | 12 mi |
| HVAC Masters | 5.0★ (2) | 3 mi |
| Integrity Heating & Cooling | 4.5★ (816) | 18 mi |
| KC Refrigeration and HVAC | 3.0★ (2) | 9 mi |
| Posen Heating & Air Services | 5.0★ (2) | 10 mi |
| Regional Plumbing Heating & Air | 4.8★ (998) | 25 mi |
| Rps Heating & Air | 5.0★ (2) | 12 mi |
| SAI Mechanical | 5.0★ (2) | 14 mi |
| Smg hvac | 5.0★ (2) | 15 mi |
| supreme heating llc | 5.0★ (2) | 13 mi |
| Tai's Heating and Air | 5.0★ (2) | 10 mi |
National price ranges in USD, not adjusted for Munster. 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 |
In Indiana, 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.
We scored 656 Munster 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 Munster 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 |