17 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Rensselaer: Rayburn Plumbing, Heating, & Air Conditioning Inc, CR Score 60/100; 4.5★ from 68 Google reviews.
Best for emergencies (open 24/7): Best Rates Heating and Cooling, posts 24/7 hours; ranked #2 of 17.
Most-reviewed: WeaveAire INC, 78 Google reviews at 4.9★, the most of 17 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
17 Rensselaer HVAC contractors are ranked here by CR Score, from ten published factors. 7 are open 24/7, 8 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.5★ across 17 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Rayburn Plumbing, Heating, & Air Conditioning Inc | 60 | 4.5★ (68) | Rensselaer | — | Overall |
| 2 | Best Rates Heating and Cooling | 60 | 4.4★ (48) | Naperville, 17 mi away | 24/7 | Emergencies |
| 3 | WeaveAire INC | 59 | 4.9★ (78) | Darien, 13 mi away | — | Most reviews |
| 4 | Lakefront Heating and Cooling | 58 | 4.9★ (30) | East Chicago, 23 mi away | 24/7 | — |
| 5 | Frank Shelley and Sons Heating & Cooling Inc. | 56 | 4.5★ (17) | Rensselaer | — | — |
| 6 | Patriot Heating and Cooling LLC | 54 | 5.0★ (47) | Monticello, 24 mi away | — | — |
| 7 | Northwest Indiana Heating and Cooling | 54 | 4.6★ (9) | Hammond, 23 mi away | 24/7 | — |
| 8 | Carl & Son Plumbing & Heating, Inc. | 53 | 4.0★ (49) | Gary, 23 mi away | 24/7 | — |
| 9 | PAC Heating & Cooling | 53 | 5.0★ (5) | Hanover Park, 21 mi away | 24/7 | — |
| 10 | Hanzal Heating & Cooling | 52 | 5.0★ (3) | Rensselaer | — | — |
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: 4.5★ from 68 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Naperville, 17 mi away
Ranked #2 because of its Google rating and trade focus: 4.4★ from 48 Google reviews, listed on Google as “HVAC contractor”.
Based in Darien, 13 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 78 Google reviews, the most in Rensselaer.
Based in East Chicago, 23 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “HVAC contractor”.
Based in Rensselaer
Ranked #5 because of its Google rating and trade focus: 4.5★ from 17 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Monticello, 24 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “HVAC contractor”.
Based in Hammond, 23 mi away
Ranked #7 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based in Gary, 23 mi away
Ranked #8 because of its Google rating and review volume: 4.0★ from 49 Google reviews.
Based in Hanover Park, 21 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “HVAC contractor”.
Based in Rensselaer
Ranked #10 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based in Rensselaer
Ranked #11 because of its Google rating and trade focus: 2.6★ from 5 Google reviews, listed on Google as “Heating contractor”.
Based in Monticello, 23 mi away
Ranked #12 because of its Google rating and trade focus: 4.0★ from 44 Google reviews, listed on Google as “HVAC contractor”.
Based in Monticello, 23 mi away
Ranked #13 because of its Google rating and trade focus: 4.5★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Leon Valley, 15 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Handyman/Handywoman/Handyperson”.
Based in Monticello, 24 mi away
Ranked #15 because of its Google rating and trade focus: 3.6★ from 30 Google reviews, listed on Google as “HVAC contractor”.
Based in Monticello, 25 mi away
Ranked #16 because of its Google rating and trade focus: 4.7★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based in Naperville, 13 mi away
Ranked #17 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Handyman/Handywoman/Handyperson”.
9 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 |
|---|---|---|
| Dukes heating and cooling | 23 mi | |
| EPiK Heating & Cooling | 23 mi | |
| Flawless HVAC | 23 mi | |
| Hoyes Electrical Heating & AC | 2.0★ (1) | In Rensselaer |
| Hvac Systems Company Inc | 18 mi | |
| Kenny's Audio-Heating-Cooling | 5.0★ (1) | In Rensselaer |
| Residential Solutions | 23 mi | |
| VanDeusen & Son plumbing and mechanical | 5.0★ (1) | 23 mi |
| zc dryer vent cleaning LLC | 5.0★ (2) | 15 mi |
National price ranges in USD, not adjusted for Rensselaer. 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 17 Rensselaer 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 Rensselaer 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 |