7 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Las Vegas: LNM Heating And Cooling, CR Score 64/100; 4.4★ from 26 Google reviews; open 24/7.
Best for emergencies (open 24/7): B & B Plumbing and Heating, posts 24/7 hours; ranked #4 of 7.
Most-reviewed: Jeffrey's Plumbing And Heating Inc., 28 Google reviews at 4.5★, the most of 7 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
7 Las Vegas HVAC contractors are ranked here by CR Score, from ten published factors. 2 are open 24/7, 4 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.3★ across 7 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | LNM Heating And Cooling | 64 | 4.4★ (26) | Las Vegas | 24/7 | Overall |
| 2 | Jeffrey's Plumbing And Heating Inc. | 60 | 4.5★ (28) | Las Vegas | — | Most reviews |
| 3 | Colorado Gold Heating & Air Conditioning | 59 | 4.5★ (17) | Roxborough Park, 7 mi away | Sat · Sun · Evenings | — |
| 4 | B & B Plumbing and Heating | 59 | 4.3★ (17) | Las Vegas | 24/7 | Emergencies |
| 5 | McCarthy HVAC | 56 | 3.9★ (8) | Las Vegas | Sat | — |
| 6 | Hays Plumbing & Heating Inc | 54 | 4.1★ (24) | Las Vegas | — | — |
| 7 | MJB Plumbing & Heating Services | 51 | 3.0★ (6) | Las Vegas | — | — |
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 trade focus: 4.4★ from 26 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Las Vegas
Ranked #2 because of its Google rating and review volume: 4.5★ from 28 Google reviews, the most in Las Vegas.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Roxborough Park, 7 mi away
Ranked #3 because of its Google rating and trade focus: 4.5★ from 17 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Las Vegas
Ranked #4 because of its Google rating and review volume: 4.3★ from 17 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Las Vegas
Ranked #5 because of its Google rating and trade focus: 3.9★ from 8 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Las Vegas
Ranked #6 because of its Google rating and review volume: 4.1★ from 24 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Las Vegas
Ranked #7 because of its Google rating and trade focus: 3.0★ from 6 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
National price ranges in USD, not adjusted for Las Vegas. 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 New Mexico, New Mexico Construction Industries Division licenses Heating, ventilation, air conditioning and refrigeration work.
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
In New Mexico, air conditioning calls peak in the hottest summer months. Spring is the easiest time to book a tune-up or replacement, before the first heat wave.
We scored 7 Las Vegas 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 Las Vegas 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 |