21 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lexington Park: Boothe's Heating, Air, Plumbing, Drains, & Electrical, CR Score 95/100; 4.9★ from 4,356 Google reviews; open 24/7.
Best for emergencies (open 24/7): Johnson's Heating & Air, posts 24/7 hours; ranked #2 of 21.
Most-reviewed: Chimney Pro - Air Duct and Dryer Vent Cleaning Services, 981 Google reviews at 4.8★, the most of 21 ranked after Boothe's Heating, Air, Plumbing, Drains, & Electrical; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
21 Lexington Park HVAC contractors are ranked here by CR Score, from 8 published factors. 6 are open 24/7, 11 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.9★ across 21 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Boothe's Heating, Air, Plumbing, Drains, & Electrical | 95 | 4.9★ (4,356) | California, 7 mi away | 24/7 | Overall |
| 2 | Johnson's Heating & Air | 84 | 4.8★ (19) | California, 9 mi away | 24/7 | Emergencies |
| 3 | NFS Heating & A/C Services LLC | 83 | 4.9★ (67) | St. Charles, 24 mi away | 24/7 | — |
| 4 | Chimney Pro - Air Duct and Dryer Vent Cleaning Services | 83 | 4.8★ (981) | Columbia, 9 mi away | Sat | Most reviews |
| 5 | Stark Mechanical llc | 83 | 4.9★ (221) | La Plata, 18 mi away | Sat · Sun | — |
| 6 | Consider it Done Home Services LLC | 83 | 5.0★ (16) | California, 17 mi away | 24/7 | — |
| 7 | Hall's HVAC | 82 | 4.9★ (182) | California, 11 mi away | Sat | — |
| 8 | Stiles Heating & Air | 81 | 5.0★ (18) | California, 10 mi away | — | — |
| 9 | Wathen Enterprises, LLC | 81 | 5.0★ (89) | California, 11 mi away | Sat | — |
| 10 | Winters Heating & Cooling | 81 | 4.9★ (437) | California, 6 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 in Lexington Park
Based in California, 7 mi away
Ranked #1 because of its Google rating and review volume: 4.9★ from 4,356 Google reviews, the most Google reviews on this list (4,356).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in California, 9 mi away
Ranked #2 because of its Google rating and availability: 4.8★ from 19 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in St. Charles, 24 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 67 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 9 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 981 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in La Plata, 18 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 221 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in California, 17 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 16 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in California, 11 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 182 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in California, 10 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in California, 11 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 89 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in California, 6 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 437 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lexington Park
Ranked #11 because of its Google rating and trade focus: 5.0★ from 91 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in California, 7 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 374 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mount Vernon, 25 mi away
Ranked #13 because of its Google rating and availability: 4.6★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dale City, 25 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in California, 13 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in California, 7 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 109 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in California, 9 mi away
Ranked #17 because of its Google rating and trade focus: 2.3★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in California, 6 mi away
Ranked #18 because of its Google rating and trade focus: 4.3★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in California, 10 mi away
Ranked #19 because of its Google rating and availability: 4.7★ from 15 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in St. Charles, 22 mi away
Ranked #20 because of its Google rating and trade focus: 4.3★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in St. Charles, 24 mi away
Ranked #21 because of its Google rating and trade focus: 2.3★ from 6 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
14 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 |
|---|---|---|
| 3 D Plumbing & Heating Inc | In Lexington Park | |
| A. B. Heating & Air Conditioning | 24 mi | |
| Air Quality Specialist | 17 mi | |
| Besche Oil Co Inc | In Lexington Park | |
| Centra-Spike | 24 mi | |
| Eddie Clements Service Company | 17 mi | |
| Lighthouse Heating & Air Conditioning, LLC | 17 mi | |
| Maxwell Heating And Air | 5.0★ (1) | 17 mi |
| Old line mechanical | 10 mi | |
| P.A HVAC Service LLC | 5.0★ (1) | 20 mi |
| Prime Plumbing & Heating | 4 mi | |
| Schimmel Mechanical Heating & Air Conditioning | 5.0★ (1) | 14 mi |
| SERVPRO of St. Mary's County | 4.8★ (164) | In Lexington Park |
| Taylor Gas Heating Air | In Lexington Park |
National price ranges in USD, not adjusted for Lexington Park. 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 Maryland, Maryland State Board of Heating, Ventilation, Air-Conditioning and Refrigeration Contractors 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
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 21 Lexington Park HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Lexington Park data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |