Top 50 of 667 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank
25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.
#1 for emergency heating and cooling in Hammond: Four Seasons Heating, Air Conditioning, Plumbing, & Electric, open 24/7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | Four Seasons Heating, Air Conditioning, Plumbing, & Electric | 63 | 4.7★ (27,709) | Chicago, 18 mi away | 24/7 |
| 2 | Summers Plumbing Heating & Cooling | 63 | 4.9★ (4,666) | Crown Point, 13 mi away | 24/7 |
| 3 | Four Seasons Heating, Air Conditioning, Plumbing, & Electric | 62 | 4.8★ (3,722) | Crestwood, 13 mi away | 24/7 |
| 4 | King Heating, Cooling & Plumbing | 62 | 4.7★ (3,996) | Oak Forest, 12 mi away | 24/7 |
| 5 | Merts Heating & Air Conditioning | 62 | 4.8★ (1,449) | Steger, 10 mi away | 24/7 |
| 6 | AAA Services, Inc. - Heating, Air Conditioning & Plumbing | 61 | 4.9★ (486) | Merrillville, 10 mi away | 24/7 |
| 7 | Four Seasons Heating, Air Conditioning, Plumbing, & Electric | 61 | 4.7★ (4,200) | Bridgeview, 18 mi away | 24/7 |
| 8 | Precision Heating and Cooling | 60 | 4.9★ (842) | Alsip, 15 mi away | 24/7 |
| 9 | Comfort Aire Inc | 60 | 4.8★ (508) | Merrillville, 11 mi away | 24/7 |
| 10 | Four Seasons Heating, Air Conditioning, Plumbing, & Electric | 60 | 4.8★ (516) | Hobart, 11 mi away | 24/7 |
24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.
#1Four Seasons Heating, Air Conditioning, Plumbing, & Electric
Open 24/7 · 4.7 from 27,709 Google reviews
#2Summers Plumbing Heating & Cooling
Open 24/7 · 4.9 from 4,666 Google reviews
#3Four Seasons Heating, Air Conditioning, Plumbing, & Electric
Open 24/7 · 4.8 from 3,722 Google reviews
#4King Heating, Cooling & Plumbing
Open 24/7 · 4.7 from 3,996 Google reviews
#5Merts Heating & Air Conditioning
Open 24/7 · 4.8 from 1,449 Google reviews
#6AAA Services, Inc. - Heating, Air Conditioning & Plumbing
Open 24/7 · 4.9 from 486 Google reviews
#7Four Seasons Heating, Air Conditioning, Plumbing, & Electric
Open 24/7 · 4.7 from 4,200 Google reviews
#8Precision Heating and Cooling
Open 24/7 · 4.9 from 842 Google reviews
24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 667 is on the HVAC contractors page.
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 in Hammond
Based in Chicago, 18 mi away
Ranked #1 because of its Google rating and review volume: 4.7★ from 27,709 Google reviews.
Based in Crown Point, 13 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 4,666 Google reviews, listed on Google as “HVAC contractor”.
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 Oak Forest, 12 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 3,996 Google reviews, listed on Google as “HVAC contractor”.
Based in Steger, 10 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 1,449 Google reviews, listed on Google as “Furnace repair service”.
Based in Merrillville, 10 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 486 Google reviews, listed on Google as “HVAC contractor”.
Based in Bridgeview, 18 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 4,200 Google reviews, listed on Google as “HVAC contractor”.
Based in Alsip, 15 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 842 Google reviews, listed on Google as “Heating contractor”.
Based in Merrillville, 11 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 508 Google reviews, listed on Google as “HVAC contractor”.
Based in Hobart, 11 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 516 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 12 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 500 Google reviews, listed on Google as “HVAC contractor”.
Based in Merrillville, 13 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 486 Google reviews, listed on Google as “HVAC contractor”.
Based in Glenwood, 5 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 166 Google reviews, listed on Google as “Heating contractor”.
Based in Mokena, 17 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 664 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Hobart, 12 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 295 Google reviews, listed on Google as “HVAC contractor”.
Based in Alsip, 14 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 600 Google reviews, listed on Google as “HVAC contractor”.
Based in Oak Lawn, 16 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 783 Google reviews, listed on Google as “HVAC contractor”.
Based in Hobart, 14 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 310 Google reviews, listed on Google as “HVAC contractor”.
Based in Hammond
Ranked #19 because of its Google rating and trade focus: 4.4★ from 53 Google reviews, listed on Google as “HVAC contractor”.
Based in Tinley Park, 24 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 2,423 Google reviews, listed on Google as “HVAC 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 Gary, 16 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 368 Google reviews, listed on Google as “HVAC contractor”.
Based in Mokena, 16 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 440 Google reviews, listed on Google as “HVAC contractor”.
Based in Hammond
Ranked #24 because of its Google rating and trade focus: 4.4★ from 35 Google reviews, listed on Google as “HVAC contractor”.
Based in Frankfort, 19 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 1,060 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.
Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.
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 |
|---|---|---|
| Reputation | 15% | Google star rating, adjusted for how many reviews back it |
| Credentials | 15% | Active state license, bond and workers’ comp on file |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list |
| Recency | 5% | Share of reviews from the last 12 months |
| Availability | 15% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) |
| Proximity | 5% | Based in the city scores highest, less the farther away it is |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are |