162 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Chattanooga: Metro Plumbing, Heating & Air, CR Score 68/100; 4.8★ from 4,285 Google reviews; open 24/7.
Best for emergencies (open 24/7): Hiller Plumbing, Heating, Cooling & Electrical, posts 24/7 hours; ranked #2 of 162.
Most-reviewed: Patriot Services, 1,538 Google reviews at 4.8★, the most of 162 ranked after Metro Plumbing, Heating & Air; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
162 Chattanooga HVAC contractors are ranked here by CR Score, from ten published factors. 45 are open 24/7, 89 open Saturdays and 69 open Sundays, based on posted hours. The median Google rating is 4.8★ across 162 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Metro Plumbing, Heating & Air | 68 | 4.8★ (4,285) | Chattanooga | 24/7 | Overall |
| 2 | Hiller Plumbing, Heating, Cooling & Electrical | 66 | 4.9★ (1,215) | Chattanooga | 24/7 | Emergencies |
| 3 | Patriot Services | 66 | 4.8★ (1,538) | Chattanooga | 24/7 | Most reviews |
| 4 | Metro Plumbing, Heating & Air | 66 | 5.0★ (600) | Chattanooga | 24/7 | — |
| 5 | Malone Heat & Air | 66 | 4.8★ (1,194) | Chattanooga | 24/7 | — |
| 6 | Lee Company | 65 | 4.9★ (500) | Chattanooga | 24/7 | — |
| 7 | North Georgia Heating & Air of Chattanooga | 65 | 4.8★ (685) | Chattanooga | 24/7 | — |
| 8 | Lee Company | 64 | 4.7★ (696) | Chattanooga | 24/7 | — |
| 9 | Scenic City Heating and AC | 64 | 4.8★ (403) | Chattanooga | 24/7 | — |
| 10 | Eldridge Service Company | 64 | 4.9★ (768) | Chattanooga | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.8★ from 4,285 Google reviews, the most in Chattanooga.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,215 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #3 because of its Google rating and trade focus: 4.8★ from 1,538 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #4 because of its Google rating and trade focus: 5.0★ from 600 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #5 because of its Google rating and trade focus: 4.8★ from 1,194 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #6 because of its Google rating and trade focus: 4.9★ from 500 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #7 because of its Google rating and trade focus: 4.8★ from 685 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #8 because of its Google rating and trade focus: 4.7★ from 696 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #9 because of its Google rating and trade focus: 4.8★ from 403 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #10 because of its Google rating and trade focus: 4.9★ from 768 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #11 because of its Google rating and trade focus: 5.0★ from 169 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #12 because of its Google rating and trade focus: 4.9★ from 195 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #13 because of its Google rating and trade focus: 5.0★ from 377 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Fort Oglethorpe, 7 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 943 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairview, 9 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 390 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #16 because of its Google rating and trade focus: 4.9★ from 101 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #17 because of its Google rating and trade focus: 5.0★ from 188 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #18 because of its Google rating and trade focus: 4.6★ from 168 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #19 because of its Google rating and trade focus: 4.7★ from 89 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairview, 5 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 90 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #21 because of its Google rating and trade focus: 5.0★ from 87 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #22 because of its Google rating and trade focus: 4.6★ from 79 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Middle Valley, 8 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 108 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #24 because of its Google rating and trade focus: 4.9★ from 881 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga
Ranked #25 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#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 162 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 |
|---|---|---|
| A C Heating & Air | 5.0★ (1) | In Chattanooga |
| Carter Heating and Air | 5.0★ (1) | In Chattanooga |
| Chase Service, LLC | 4.1★ (21) | In Chattanooga |
| Chattanooga Heating & Air Repair | In Chattanooga | |
| Commercial Air Solutions | 4.4★ (17) | In Chattanooga |
| Energy Duct | 5.0★ (36) | In Chattanooga |
| Hep is on the way | 4.7★ (666) | 10 mi |
| HEP is on the way | 4.9★ (1,696) | 25 mi |
| Hobbs & Associates | 4.5★ (2) | In Chattanooga |
| Hoffman & Hoffman, Inc. | 3.0★ (2) | In Chattanooga |
| Hoffman Mechanical Solutions, Inc. | 5.0★ (1) | In Chattanooga |
| Jones Mechanical Maintenance and Construction | 5.0★ (2) | In Chattanooga |
| Lane Pro Wire LLC | 5.0★ (30) | In Chattanooga |
| Latitude Heating & Air Inc. | 5.0★ (13) | 3 mi |
| Oasis Heating and Air | 5.0★ (16) | 20 mi |
| Retail Air Systems | 1.0★ (1) | In Chattanooga |
| Scenic City Mechanical, LLC | 5.0★ (1) | In Chattanooga |
| Southeast Air & Mechanical | In Chattanooga | |
| Streamline HVAC | 3.9★ (7) | 4 mi |
| TWC Services, Inc. | In Chattanooga |
National price ranges in USD, not adjusted for Chattanooga. 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 Tennessee, Tennessee Board for Licensing Contractors licenses Contractor licenses (mechanical/HVAC classification).
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
HVAC demand peaks in summer for cooling and in winter for heating. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 162 Chattanooga 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 Chattanooga 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 |