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ContractorsRanked

Best HVAC Contractors in Hampstead, MD (2026)

288 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Hampstead: Apple Plumbing, Heating, & Air, CR Score 91/100; 4.9★ from 679 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): First Class Mechanical, posts 24/7 hours; ranked #2 of 288.

  3. 5

    Most-reviewed: Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical, 4,514 Google reviews at 4.8★, the most of 288 ranked; ranked #5.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

288 Hampstead HVAC contractors are ranked here by CR Score, from 8 published factors. 75 are open 24/7, 152 open Saturdays and 127 open Sundays, based on posted hours. The median Google rating is 4.8★ across 288 rated businesses.

Top 10 HVAC contractors in Hampstead at a glance

Top 10 HVAC contractors in Hampstead at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Apple Plumbing, Heating, & Air914.9★ (679)Westminster, 8 mi away24/7Overall
2First Class Mechanical914.9★ (580)Westminster, 7 mi away24/7Emergencies
3F.H. Furr Plumbing, Heating, Air Conditioning & Electrical914.7★ (1,847)Eldersburg, 9 mi away24/7—
4Tim Kyle Electric, Heating & Cooling905.0★ (2,777)Westminster, 8 mi away24/7—
5Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical904.8★ (4,514)Baltimore, 20 mi away24/7Most reviews
6Triple E904.9★ (469)Reisterstown, 11 mi away24/7—
7Farnen & Dermer894.8★ (931)Owings Mills, 13 mi away24/7—
8Abbott Mechanical HVAC895.0★ (33)Hampstead24/7—
9Elmar Heating & Cooling884.8★ (614)Timonium, 15 mi away24/7—
10United Air Temp884.9★ (180)Owings Mills, 13 mi away24/7—

The 288 best HVAC contractors in Hampstead, 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.

  6. #6 Triple E

    Based in Reisterstown, 11 mi away

    90/100CR Score

    Ranked #6 because of its Google rating and availability: 4.9★ from 469 Google reviews, open 24/7.

    • 4.9★ from 469 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    655 Main St #1959, Reisterstown, MD 21136
    View profile for Triple E(410) 833-1133

  7. #7 Farnen & Dermer

    Based in Owings Mills, 13 mi away

    89/100CR Score

    Ranked #7 because of its Google rating and availability: 4.8★ from 931 Google reviews, open 24/7.

    • 4.8★ from 931 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10500 Reisterstown Rd, Owings Mills, MD 21117
    View profile for Farnen & Dermer(410) 367-7777

  10. #10 United Air Temp

    Based in Owings Mills, 13 mi away

    88/100CR Score

    Ranked #10 because of its Google rating and availability: 4.9★ from 180 Google reviews, open 24/7.

    • 4.9★ from 180 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    500 Redland Ct # 107, Owings Mills, MD 21117
    View profile for United Air Temp(410) 999-8288

  15. #15 Dynamic HVAC

    Based in Hanover, 14 mi away

    86/100CR Score

    Ranked #15 because of its Google rating and availability: 5.0★ from 73 Google reviews, open 24/7.

    • 5.0★ from 73 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    916 Baltimore St rear, Hanover, PA 17331
    View profile for Dynamic HVAC(410) 343-9583

  19. #19 All-Air Systems

    Based in Cockeysville, 12 mi away

    85/100CR Score

    Ranked #19 because of its Google rating and availability: 4.8★ from 56 Google reviews, open 24/7.

    • 4.8★ from 56 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    400 Symphony Cir, Cockeysville, MD 21030
    View profile for All-Air Systems(410) 877-6100

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 288 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Hampstead, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Excel Services854.9★ (411)24 mi
27First Response Heating & Cooling854.8★ (285)25 mi
28Long Mechanical Services LLC855.0★ (19)11 mi
29S&L Prime A/C and Heating854.9★ (726)21 mi
30Precision Westminster HVAC Repair845.0★ (10)7 mi
31Thomas D. Stern Air Experts Inc.845.0★ (699)24 mi
32Apple Plumbing, Heating, & Air845.0★ (216)15 mi
33Reliable HVAC inc845.0★ (6)In Hampstead
34Thornton Heating & Air Conditioning845.0★ (33)16 mi
35Advanced Heating, Cooling, and Plumbing LLC845.0★ (82)25 mi
36Dalton Air Conditioning Repair845.0★ (44)21 mi
37Skyline Heating and Air845.0★ (30)18 mi
38Witkowski Mechanical844.6★ (40)13 mi
39Superior HVAC Repair Hanover835.0★ (17)15 mi
40A.J. Michaels834.5★ (309)22 mi
41Ductz of The Upper Bay Region834.9★ (220)20 mi
42Carver Heating & Cooling835.0★ (46)24 mi
43Warrior Plumbing & Heating834.9★ (400)22 mi
44Supreme Service Today834.8★ (494)22 mi
45Forest Hill Heating & Air824.8★ (53)23 mi
46Absolute Comfort and Son - HVAC Contractor824.9★ (215)22 mi
47Buric Heating and Air Conditioning824.9★ (330)24 mi
48Michael Runk Plumbing & Heating LLC824.8★ (163)15 mi
49SuperTech Services824.9★ (601)15 mi
50G & G Mechanical Heating & AC824.7★ (51)23 mi

Also serving Hampstead

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.

Unranked HVAC contractors serving Hampstead
BusinessGoogle ratingDistance
A C Services & Repair Inc5.0★ (2)23 mi
A Quality HVAC5.0★ (2)9 mi
Air Zone Systems, Inc5.0★ (2)11 mi
American Mechanical Repair3.0★ (2)24 mi
C T Smith Electrical Services4.8★ (18)In Hampstead
Charles S Grim's Plumbing & Heating5.0★ (2)14 mi
Coltlee MechanicalIn Hampstead
Elite Heating And Cooling3.0★ (2)21 mi
Free Da Block Drain Cleaning Services, LLC,5.0★ (20)20 mi
Home Services at The Home Depot3.0★ (2)7 mi
Husky Home Services4.8★ (40)22 mi
K & W Masonry Restoration3.0★ (2)14 mi
Mayne Source Heating & Air5.0★ (2)22 mi
Quartner’s4.6★ (22)19 mi
Remco Inc3.7★ (6)13 mi
Right-A-Way Heating & Cooling5.0★ (17)17 mi
Silverado Mechanical Services, LLC3.7★ (3)In Hampstead
Sunset heating and cooling5.0★ (2)21 mi
United Air Temp4.4★ (88)19 mi
WRF & Son Plumbing & Heating5.0★ (1)In Hampstead

How much do HVAC contractors cost in Hampstead?

National price ranges in USD, not adjusted for Hampstead. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Hampstead?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 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.

  1. Check that the status is active and the name matches the contract or truck.
  2. 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 Hampstead HVAC contractors

We scored 288 Hampstead 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Hampstead data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

HVAC contractors in Hampstead: frequently asked questions

Who is the best HVAC contractor in Hampstead?

By CR Score, the highest-ranked HVAC contractor in Hampstead, MD is Apple Plumbing, Heating, & Air with a CR Score of 91/100. It has 4.9★ from 679 Google reviews. It is open 24/7. First Class Mechanical (#2) and F.H. Furr Plumbing, Heating, Air Conditioning & Electrical (#3) follow. We ranked 288 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Hampstead?

ContractorsRanked ranks 288 HVAC contractors serving Hampstead, MD. 2 of them are based in Hampstead; 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 Hampstead are open 24/7?

75 ranked HVAC contractors in Hampstead post 24/7 hours. The highest-ranked are Apple Plumbing, Heating, & Air (#1), First Class Mechanical (#2) and F.H. Furr Plumbing, Heating, Air Conditioning & Electrical (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Hampstead work on weekends?

152 of 288 ranked HVAC contractors post Saturday hours and 127 post Sunday hours. The highest-ranked open Saturdays are Apple Plumbing, Heating, & Air (#1), First Class Mechanical (#2) and F.H. Furr Plumbing, Heating, Air Conditioning & Electrical (#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 Hampstead?

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 Hampstead. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Hampstead HVAC contractors have?

The median Google rating among 288 rated HVAC contractors in Hampstead is 4.8★, with a median of 18 reviews. Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical has the most, 4,514 reviews, and ranks #5. 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 Hampstead?

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 Hampstead

  1. October 2026: CR Scores recalculated for 288 hvac contractors serving Hampstead.
  2. October 2026: 2 duplicate listings merged.

More HVAC contractors and Hampstead pages

Other trades in Hampstead