743 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Louisville: Cooper Heating & Cooling, CR Score 65/100; 4.8★ from 4,647 Google reviews; open 24/7.
Best for emergencies (open 24/7): Jim Needham Heating Cooling Plumbing and Drain, posts 24/7 hours; ranked #2 of 743.
Most-reviewed: Brothers Plumbing, Heating, and Electric - Denver, 8,479 Google reviews at 4.7★, the most of 743 ranked; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
743 Louisville HVAC contractors are ranked here by CR Score, from ten published factors. 282 are open 24/7, 499 open Saturdays and 396 open Sundays, based on posted hours. The median Google rating is 4.8★ across 743 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Cooper Heating & Cooling | 65 | 4.8★ (4,647) | Broomfield, 5 mi away | 24/7 | Overall |
| 2 | Jim Needham Heating Cooling Plumbing and Drain | 64 | 4.9★ (5,597) | Thornton, 12 mi away | 24/7 | Emergencies |
| 3 | M and M Heating, Cooling, Plumbing and Electrical | 63 | 4.9★ (3,075) | Longmont, 13 mi away | 24/7 | — |
| 4 | Precision Plumbing Heating Cooling Electric | 63 | 4.8★ (4,069) | Louisville | Sat | — |
| 5 | Plumbline Services | 62 | 4.9★ (1,917) | Arvada, 13 mi away | 24/7 | — |
| 6 | Impact Heating & Cooling Inc. | 62 | 4.9★ (893) | Thornton, 9 mi away | 24/7 | — |
| 7 | Efficient Comfort: Heating, Cooling & Mechanical | 62 | 5.0★ (1,041) | Westminster, 6 mi away | Sat · Sun | — |
| 8 | One Hour Heating & Air Conditioning® of Denver | 62 | 4.7★ (1,623) | Westminster, 8 mi away | 24/7 | — |
| 9 | Service Experts Heating & Air Conditioning | 62 | 4.7★ (1,928) | Westminster, 9 mi away | 24/7 | — |
| 10 | Meyers Heating & Air Conditioning | 62 | 4.8★ (607) | Boulder, 6 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: 4.8★ from 4,647 Google reviews, listed on Google as “HVAC contractor”.
Based in Thornton, 12 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 5,597 Google reviews, listed on Google as “HVAC contractor”.
Based in Longmont, 13 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 3,075 Google reviews, listed on Google as “HVAC contractor”.
Based in Louisville
Ranked #4 because of its Google rating and trade focus: 4.8★ from 4,069 Google reviews, listed on Google as “HVAC contractor”.
Based in Arvada, 13 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 1,917 Google reviews, listed on Google as “HVAC contractor”.
Based in Thornton, 9 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 893 Google reviews, listed on Google as “HVAC contractor”.
Based in Westminster, 6 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 1,041 Google reviews, listed on Google as “HVAC contractor”.
Based in Westminster, 8 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 1,623 Google reviews, listed on Google as “HVAC contractor”.
Based in Westminster, 9 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 1,928 Google reviews, listed on Google as “HVAC contractor”.
Based in Boulder, 6 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 607 Google reviews, listed on Google as “HVAC contractor”.
Based in Longmont, 13 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 1,269 Google reviews, listed on Google as “HVAC contractor”.
Based in Golden, 14 mi away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 4,159 Google reviews, listed on Google as “HVAC contractor”.
Based in Denver, 16 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 3,635 Google reviews, listed on Google as “HVAC contractor”.
Based in Denver, 19 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 3,583 Google reviews, listed on Google as “HVAC contractor”.
Based in Wheat Ridge, 14 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 1,352 Google reviews, listed on Google as “HVAC contractor”.
Based in Boulder, 7 mi away
Ranked #16 because of its Google rating and trade focus: 4.7★ from 731 Google reviews, listed on Google as “HVAC contractor”.
Based in Commerce City, 17 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 3,443 Google reviews, listed on Google as “HVAC contractor”.
Based in Denver, 14 mi away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 8,479 Google reviews, listed on Google as “HVAC contractor”.
Based in Northglenn, 11 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 761 Google reviews, listed on Google as “HVAC contractor”.
Based in Denver, 18 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 2,877 Google reviews, listed on Google as “HVAC contractor”.
Based in Longmont, 14 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 1,093 Google reviews, listed on Google as “HVAC contractor”.
Based in Broomfield, 6 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 267 Google reviews, listed on Google as “Heating contractor”.
Based in Wheat Ridge, 14 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 1,179 Google reviews, listed on Google as “HVAC contractor”.
Based in Boulder, 7 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 268 Google reviews, listed on Google as “HVAC contractor”.
Based in Longmont, 13 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 865 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 743 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 |
|---|---|---|
| Altitude Building Automation | 5.0★ (2) | 14 mi |
| ASI Heating and Air Conditioning | 5.0★ (2) | 9 mi |
| Boulder Creek Neighborhoods - Design Center | In Louisville | |
| Boulder HVAC Services | 1.5★ (2) | 8 mi |
| Breathe Easy Duct Cleaning and Restoration | 3.0★ (2) | 5 mi |
| CCI Inc | 4.9★ (145) | In Louisville |
| ComfortFlow Heating & Cooling | 4.8★ (63) | 6 mi |
| Design Mechanical, Inc. | 4.0★ (21) | In Louisville |
| DNI Heating, AC, Refrigeration, Plumbing & Electrical | 4.8★ (626) | 17 mi |
| Done Plumbing, Heating, Cooling & Electric | 4.7★ (4,465) | 25 mi |
| Furnace AC Store | 1.0★ (2) | 14 mi |
| KEY Heating and Air, LLC | 5.0★ (2) | 12 mi |
| Louisville Air-Conditioning & Heating Specialist | In Louisville | |
| Moreno HVAC LLC | 5.0★ (2) | 12 mi |
| Northern Climate Control | 5.0★ (2) | 9 mi |
| Pete La Bella & Sons Plumbing | 4.8★ (31) | In Louisville |
| Plumb Pros Inc | 4.6★ (678) | 13 mi |
| Standard Renewable Energy | 1.5★ (2) | 5 mi |
| Touchstone Commercial Building Services | 3.0★ (2) | 11 mi |
| Vetter heating and air conditioning LLC | 5.0★ (2) | 14 mi |
National price ranges in USD, not adjusted for Louisville. 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 Colorado, 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 743 Louisville 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 Louisville 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 |