93/100CR Score
Ranked #1 because of its Google rating and availability: 4.6★ from 8,136 Google reviews, open 24/7.
- 4.6★ from 8,136 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 550 Forest Glen Rd, Silver Spring, MD 20901
Best HVAC Contractors in Silver Spring, MD (2026)
1,087 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Silver Spring: Len The Plumber Heating & Air, LLC, CR Score 93/100; 4.6★ from 8,136 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): GAC Services, posts 24/7 hours; ranked #2 of 1,087.
- 6
Most-reviewed: Michael & Son Services, 15,537 Google reviews at 4.7★, the most of 1,087 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,087 Silver Spring HVAC contractors are ranked here by CR Score, from 8 published factors. 335 are open 24/7, 735 open Saturdays and 498 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,087 rated businesses.
Top 10 HVAC contractors in Silver Spring at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Len The Plumber Heating & Air, LLC | 93 | 4.6★ (8,136) | Silver Spring | 24/7 | Overall |
| 2 | GAC Services | 92 | 4.9★ (6,908) | Gaithersburg, 13 mi away | 24/7 | Emergencies |
| 3 | NARFIX HEATING AND AIR CONDITIONING LLC | 92 | 5.0★ (293) | Silver Spring | 24/7 | — |
| 4 | CroppMetcalfe | 91 | 4.8★ (7,638) | Fairfax, 14 mi away | 24/7 | — |
| 5 | F.H. Furr Plumbing, Heating, Air Conditioning & Electrical | 91 | 4.7★ (5,985) | Rockville, 9 mi away | 24/7 | — |
| 6 | Michael & Son Services | 90 | 4.7★ (15,537) | Alexandria, 16 mi away | 24/7 | Most reviews |
| 7 | Thomas E Clark Inc | 90 | 4.8★ (299) | Silver Spring | 24/7 | — |
| 8 | AZA heating, cooling, plumbing & construction | 90 | 5.0★ (959) | Alexandria, 13 mi away | 24/7 | — |
| 9 | Tim Whistler Plumbing, Gas Fitting, HVAC, and Electrical | 90 | 4.8★ (291) | Silver Spring | 24/7 | — |
| 10 | United Air Temp | 90 | 4.8★ (1,306) | Greenbelt, 8 mi away | 24/7 | — |
The 1,087 best HVAC contractors in Silver Spring, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
#2 GAC Services
Based in Gaithersburg, 13 mi away
92/100CR ScoreRanked #2 because of its Google rating and availability: 4.9★ from 6,908 Google reviews, open 24/7.
- 4.9★ from 6,908 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 227 E Deer Park Dr, Gaithersburg, MD 20877
Based in Silver Spring
92/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 293 Google reviews, open 24/7.
- 5.0★ from 293 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9407 New Hampshire Ave, Silver Spring, MD 20903
Based in Fairfax, 14 mi away
91/100CR ScoreRanked #4 because of its Google rating and availability: 4.8★ from 7,638 Google reviews, open 24/7.
- 4.8★ from 7,638 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8421 Hilltop Rd, Fairfax, VA 22031
Based in Rockville, 9 mi away
91/100CR ScoreRanked #5 because of its Google rating and availability: 4.7★ from 5,985 Google reviews, open 24/7.
- 4.7★ from 5,985 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 685 Lofstrand Ln, Rockville, MD 20850
Based in Alexandria, 16 mi away
90/100CR ScoreRanked #6 because of its Google rating and review volume: 4.7★ from 15,537 Google reviews, the most Google reviews on this list (15,537).
- 4.7★ from 15,537 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5740 General Washington Dr, Alexandria, VA 22312
Based in Silver Spring
90/100CR ScoreRanked #7 because of its Google rating and availability: 4.8★ from 299 Google reviews, open 24/7.
- 4.8★ from 299 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2412 Linden Ln, Silver Spring, MD 20910
Based in Alexandria, 13 mi away
90/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 959 Google reviews, open 24/7.
- 5.0★ from 959 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5800 Quantrell Ave #1510, Alexandria, VA 22312
Based in Silver Spring
90/100CR ScoreRanked #9 because of its Google rating and availability: 4.8★ from 291 Google reviews, open 24/7.
- 4.8★ from 291 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2345 Distribution Cir, Silver Spring, MD 20910
#10 United Air Temp
Based in Greenbelt, 8 mi away
90/100CR ScoreRanked #10 because of its Google rating and availability: 4.8★ from 1,306 Google reviews, open 24/7.
- 4.8★ from 1,306 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7255 Hanover Pkwy Ste A, Greenbelt, MD 20770
#11 John C. Flood
Based in Alexandria, 15 mi away
90/100CR ScoreRanked #11 because of its Google rating and availability: 4.8★ from 4,976 Google reviews, open 24/7.
- 4.8★ from 4,976 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6430 General Green Way, Alexandria, VA 22312
Based in Fairfax, 13 mi away
90/100CR ScoreRanked #12 because of its Google rating and availability: 4.9★ from 1,794 Google reviews, open 24/7.
- 4.9★ from 1,794 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2800 Juniper St #10, Fairfax, VA 22031
Based in Alexandria, 14 mi away
90/100CR ScoreRanked #13 because of its Google rating and availability: 4.9★ from 1,631 Google reviews, open 24/7.
- 4.9★ from 1,631 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5707A Edsall Rd, Alexandria, VA 22304
Based in Silver Spring
89/100CR ScoreRanked #14 because of its Google rating and availability: 4.9★ from 130 Google reviews, open 24/7.
- 4.9★ from 130 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1813 Mt Pisgah Ln, Silver Spring, MD 20903
Based in Gaithersburg, 15 mi away
89/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 1,701 Google reviews, open 24/7.
- 4.9★ from 1,701 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8000 Cessna Ave, Gaithersburg, MD 20879
#16 United Air Temp
Based in Fort Washington, 13 mi away
89/100CR ScoreRanked #16 because of its Google rating and availability: 4.8★ from 1,775 Google reviews, open 24/7.
- 4.8★ from 1,775 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5620 St Barnabas Rd Ste 240, Fort Washington, MD 20744
Based in Rockville, 9 mi away
89/100CR ScoreRanked #17 because of its Google rating and availability: 4.7★ from 1,402 Google reviews, open 24/7.
- 4.7★ from 1,402 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 802 Rockville Pike, Rockville, MD 20852
Based in Gaithersburg, 15 mi away
89/100CR ScoreRanked #18 because of its Google rating and availability: 4.8★ from 2,083 Google reviews, open 24/7.
- 4.8★ from 2,083 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7940 Cessna Ave, Gaithersburg, MD 20879
Based in Clarksburg, 5 mi away
89/100CR ScoreRanked #19 because of its Google rating and availability: 4.8★ from 302 Google reviews, open 24/7.
- 4.8★ from 302 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Gaithersburg, 14 mi away
89/100CR ScoreRanked #20 because of its Google rating and availability: 4.8★ from 1,700 Google reviews, open 24/7.
- 4.8★ from 1,700 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7901 Beechcraft Ave Suite C, Gaithersburg, MD 20879
Based in Hyattsville, 10 mi away
89/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 8,326 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 8,326 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
- Address
- 3400 Sharp St, Hyattsville, MD 20785
Based in Silver Spring
89/100CR ScoreRanked #22 because of its Google rating and availability: 4.9★ from 77 Google reviews, open 24/7.
- 4.9★ from 77 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8304 Garland Ave, Silver Spring, MD 20912
Based in Aspen Hill, 4 mi away
89/100CR ScoreRanked #23 because of its Google rating and availability: 4.7★ from 419 Google reviews, open 24/7.
- 4.7★ from 419 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3511 University Blvd W, Kensington, MD 20895
Based in Sterling, 21 mi away
89/100CR ScoreRanked #24 because of its Google rating and availability: 4.9★ from 2,958 Google reviews, open 24/7.
- 4.9★ from 2,958 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 104 Carpenter Dr Suite D, Sterling, VA 20164
Based in Greater Upper Marlboro, 18 mi away
88/100CR ScoreRanked #25 because of its Google rating and availability: 4.9★ from 1,421 Google reviews, open 24/7.
- 4.9★ from 1,421 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 15881 Commerce Ct, Upper Marlboro, MD 20774
HVAC contractors ranked #26 to #50
#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 1,087 ranked HVAC contractors here; the rest are on their profiles.
Also serving Silver Spring
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 |
|---|---|---|
| Ace Commercial HVAC Experts Silver Spring | 5.0★ (1) | In Silver Spring |
| Blasted Breeze Cooling & Air | In Silver Spring | |
| Coleman Plumbing & Heating Co | 5.0★ (1) | In Silver Spring |
| Conrod's Plumbing Heating and A/C | 5.0★ (2) | 1 mi |
| DMV Mechanical | 3.0★ (2) | 1 mi |
| EG ELECTRIC HVACR COMPANY | In Silver Spring | |
| Energy Systems Inc | 3.0★ (2) | In Silver Spring |
| Expert Refrigeration, Inc | In Silver Spring | |
| Five Star Cooling | In Silver Spring | |
| glorygaragerepair | In Silver Spring | |
| HVAC Services: Heating & Air Conditioning | In Silver Spring | |
| James R Ballard Plumbing & Heating | 5.0★ (1) | In Silver Spring |
| JC & JC HVAC | 4.7★ (503) | In Silver Spring |
| JDL HVAC & Plumbing Services | 4.8★ (678) | 11 mi |
| JM MUNOZ, CONSTRUCTION LLC | 5.0★ (1) | In Silver Spring |
| MYT SERVICES HVAC | In Silver Spring | |
| Owens & Johnsons Heating and Cooling | 3.0★ (2) | In Silver Spring |
| R And R Climate Control Inc | 5.0★ (2) | 3 mi |
| Sears Roofing | 5.0★ (1) | In Silver Spring |
| Vito Services | 4.7★ (1,351) | 10 mi |
How much do HVAC contractors cost in Silver Spring?
National price ranges in USD, not adjusted for Silver Spring. 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 |
How to check an HVAC contractor's license in Maryland
In Maryland, Maryland State Board of Heating, Ventilation, Air-Conditioning and Refrigeration Contractors licenses Heating, ventilation, air conditioning and refrigeration work.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
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
When to hire an HVAC contractor in Maryland
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.
How we ranked Silver Spring HVAC contractors
We scored 1,087 Silver Spring 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 Silver Spring 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 |
HVAC contractors in Silver Spring: frequently asked questions
Who is the best HVAC contractor in Silver Spring?
By CR Score, the highest-ranked HVAC contractor in Silver Spring, MD is Len The Plumber Heating & Air, LLC with a CR Score of 93/100. It has 4.6★ from 8,136 Google reviews. It is open 24/7. GAC Services (#2) and NARFIX HEATING AND AIR CONDITIONING LLC (#3) follow. We ranked 1,087 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in Silver Spring?
ContractorsRanked ranks 1,087 HVAC contractors serving Silver Spring, MD. 10 of them are based in Silver Spring; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Silver Spring are open 24/7?
335 ranked HVAC contractors in Silver Spring post 24/7 hours. The highest-ranked are Len The Plumber Heating & Air, LLC (#1), GAC Services (#2) and NARFIX HEATING AND AIR CONDITIONING LLC (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Silver Spring work on weekends?
735 of 1,087 ranked HVAC contractors post Saturday hours and 498 post Sunday hours. The highest-ranked open Saturdays are Len The Plumber Heating & Air, LLC (#1), GAC Services (#2) and NARFIX HEATING AND AIR CONDITIONING LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check an HVAC contractor's license in Maryland?
In Maryland, Maryland State Board of Heating, Ventilation, Air-Conditioning and Refrigeration Contractors handles licensing and covers Heating, ventilation, air conditioning and refrigeration work.
How much does ac replacement cost in Silver Spring?
AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Silver Spring. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Silver Spring HVAC contractors have?
The median Google rating among 1,087 rated HVAC contractors in Silver Spring is 4.9★, with a median of 23 reviews. Michael & Son Services has the most, 15,537 reviews, and ranks #6. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire an HVAC contractor in Silver Spring?
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.
Update log for Silver Spring
- October 2026: CR Scores recalculated for 1,087 hvac contractors serving Silver Spring.
- October 2026: 11 duplicate listings merged.
More HVAC contractors and Silver Spring pages
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Other trades in Silver Spring
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- General contractors in Silver Spring1675 ranked
- Painters in Silver Spring448 ranked
- Landscapers in Silver Spring406 ranked
- Handymen in Silver Spring290 ranked
- Kitchen remodelers in Silver Spring1224 ranked
- Bathroom remodelers in Silver Spring1199 ranked
- Flooring contractors in Silver Spring758 ranked
- Tile installers in Silver Spring117 ranked
- Drywall contractors in Silver Spring29 ranked
- Concrete contractors in Silver Spring366 ranked
- Fence contractors in Silver Spring185 ranked
- Deck builders in Silver Spring500 ranked
- Siding contractors in Silver Spring681 ranked
- Window installers in Silver Spring680 ranked
- Gutter installers in Silver Spring388 ranked
- Insulation contractors in Silver Spring129 ranked
- Solar installers in Silver Spring188 ranked
- Garage door repair companies in Silver Spring166 ranked
- Foundation repair companies in Silver Spring221 ranked
- Tree services in Silver Spring371 ranked
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- Water damage restoration companies in Silver Spring891 ranked
- Home builders in Silver Spring821 ranked
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