Skip to content
ContractorsRanked

Best HVAC Contractors in Perry Hall, MD (2026)

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

The short answer

  1. 1

    Best overall in Perry Hall: Michael & Son Services, CR Score 91/100; 4.7★ from 8,039 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Complete Climate Services LLC, posts 24/7 hours; ranked #2 of 520.

  3. 25

    Most-reviewed: Len The Plumber Heating & Air, LLC, 15,911 Google reviews at 4.7★, the most of 520 ranked; ranked #25.

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

520 Perry Hall HVAC contractors are ranked here by CR Score, from 8 published factors. 152 are open 24/7, 313 open Saturdays and 236 open Sundays, based on posted hours. The median Google rating is 4.8★ across 520 rated businesses.

Top 10 HVAC contractors in Perry Hall at a glance

Top 10 HVAC contractors in Perry Hall at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Michael & Son Services914.7★ (8,039)Baltimore, 9 mi away24/7Overall
2Complete Climate Services LLC905.0★ (786)Baltimore, 11 mi away24/7Emergencies
3Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical894.8★ (4,514)Baltimore, 17 mi away24/7—
4Maryland Heating & Air894.9★ (369)Essex, 7 mi away24/7—
5Broyles HVACR894.9★ (244)Joppatowne, 6 mi away24/7—
6Contemporary Air Systems, Inc.895.0★ (195)Essex, 7 mi away24/7—
7Boothe's Heating, Air, Plumbing, Drains & Electrical894.9★ (1,461)Dundalk, 17 mi away24/7—
8HGH Mechanical894.9★ (337)Edgewood, 9 mi away24/7—
9Hughes Mechanical, LLC894.8★ (408)Essex, 7 mi away24/7—
10Elmar Heating & Cooling884.8★ (614)Timonium, 10 mi away24/7—

The 520 best HVAC contractors in Perry Hall, 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.

  5. #5 Broyles HVACR

    Based in Joppatowne, 6 mi away

    89/100CR Score

    Ranked #5 because of its Google rating and availability: 4.9★ from 244 Google reviews, open 24/7.

    • 4.9★ from 244 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    37 Neptune Dr, Joppatowne, MD 21085
    View profile for Broyles HVACR(667) 228-7015

  8. #8 HGH Mechanical

    Based in Edgewood, 9 mi away

    89/100CR Score

    Ranked #8 because of its Google rating and availability: 4.9★ from 337 Google reviews, open 24/7.

    • 4.9★ from 337 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2107 Emmorton Park Rd #111, Edgewood, MD 21040
    View profile for HGH Mechanical(410) 679-3794

  11. #11 Blue Dot Services

    Based in Bel Air North, 12 mi away

    88/100CR Score

    Ranked #11 because of its Google rating and availability: 4.5★ from 7,297 Google reviews, open 24/7.

    • 4.5★ from 7,297 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    125 Industry Ln, Forest Hill, MD 21050
    View profile for Blue Dot Services(410) 846-2992

  14. #14 S&L Prime A/C and Heating

    Based in Cockeysville, 4 mi away

    88/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 726 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 726 Google reviews
    Hours
    Mon–Fri 6:30 AM–7 PM · Sat 7 AM–7 PM · Sun 8 AM–7 PM
    Address
    12076 Glen Arm Rd, Glen Arm, MD 21057
    View profile for S&L Prime A/C and Heating(410) 803-5414

  18. #18 Comfort Air

    Based in Fallston, 6 mi away

    87/100CR Score

    Ranked #18 because of its Google rating and availability: 5.0★ from 65 Google reviews, open 24/7.

    • 5.0★ from 65 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2713 Belair Rd, Fallston, MD 21047
    View profile for Comfort Air(443) 416-2088

  20. #20 Farnen & Dermer

    Based in Owings Mills, 17 mi away

    87/100CR Score

    Ranked #20 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

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

HVAC contractors in Perry Hall, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Synergy Mechanical Solutions865.0★ (37)5 mi
27Triple E864.9★ (469)19 mi
28ABC Cooling & Heating LLC864.7★ (247)10 mi
29Sila Heating, Air Conditioning & Plumbing864.9★ (275)17 mi
30Green Comfort Systems864.9★ (400)6 mi
31APJ HVAC and R865.0★ (43)7 mi
32One Hour Air Conditioning & Heating® of Baltimore864.8★ (219)13 mi
33Excel Services864.9★ (411)14 mi
34Rowbel Services865.0★ (32)5 mi
35Pure Air HVAC865.0★ (378)10 mi
36Fresh Air Concepts, LLC864.9★ (217)17 mi
37Albright's Mechanical Services864.8★ (530)7 mi
38Wheeler Heating & Cooling855.0★ (52)11 mi
39Arundel Service Experts854.7★ (472)17 mi
40A.J. Michaels854.5★ (309)9 mi
41LJ Butler Plumbing and Heating854.9★ (105)In Perry Hall
42Tario HVAC, LLC854.9★ (142)17 mi
43Breezy Heating Ventilation and Air Conditioning854.8★ (121)14 mi
44United Air Temp854.9★ (180)19 mi
45Beltway Air Conditioning, Heating & Plumbing854.9★ (2,167)21 mi
46Excel Aire Abingdon855.0★ (27)9 mi
47KMT Mechanical llc (HVAC)854.8★ (12)2 mi
48Ambient LLC844.8★ (336)21 mi
49Beyond Cooling LLC844.9★ (82)16 mi
50Warrior Plumbing & Heating844.9★ (400)10 mi

Also serving Perry Hall

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 Perry Hall
BusinessGoogle ratingDistance
AAA4.7★ (60)5 mi
Aire-Craft Heating & Cooling Co Inc4.8★ (26)8 mi
All About Everything HVAC & Maintenance3.0★ (2)20 mi
Around the Clock Plumbing & Heating5.0★ (2)19 mi
Bennett Air Care LLC5.0★ (2)6 mi
Capitol Boiler Works1.0★ (2)16 mi
Commercial CAD5.0★ (2)7 mi
D&J solutions LLC4.9★ (17)6 mi
DJE Plumbing and Heating5.0★ (2)14 mi
DM3 Heating & Air5.0★ (2)14 mi
Elite Heating And Cooling3.0★ (2)5 mi
Home Services at The Home Depot4.0★ (2)17 mi
One Hour Air Conditioning & Heating® of Harford County4.8★ (292)14 mi
R & G Plumbing & Heating5.0★ (2)8 mi
Ready Air HVAC5.0★ (2)9 mi
Scardina Plumbing-Heating Inc5.0★ (2)11 mi
Shielded Edge Property Solutions5.0★ (2)18 mi
Thomas Air Conditioning Services, Inc.5.0★ (2)10 mi
United Air Temp4.4★ (88)8 mi
Wrangler Plumbing & Heating5.0★ (2)19 mi

How much do HVAC contractors cost in Perry Hall?

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

How much do HVAC contractors cost in Perry Hall?
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 Perry Hall HVAC contractors

We scored 520 Perry Hall 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 Perry Hall 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 Perry Hall: frequently asked questions

Who is the best HVAC contractor in Perry Hall?

By CR Score, the highest-ranked HVAC contractor in Perry Hall, MD is Michael & Son Services with a CR Score of 91/100. It has 4.7★ from 8,039 Google reviews. It is open 24/7. Complete Climate Services LLC (#2) and Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical (#3) follow. We ranked 520 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Perry Hall?

ContractorsRanked ranks 520 HVAC contractors serving Perry Hall, MD. 1 of them is based in Perry Hall; 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 Perry Hall are open 24/7?

152 ranked HVAC contractors in Perry Hall post 24/7 hours. The highest-ranked are Michael & Son Services (#1), Complete Climate Services LLC (#2) and Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Perry Hall work on weekends?

313 of 520 ranked HVAC contractors post Saturday hours and 236 post Sunday hours. The highest-ranked open Saturdays are Michael & Son Services (#1), Complete Climate Services LLC (#2) and Horizon Services - Air Conditioning, Heating, Plumbing, & 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 Perry Hall?

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

What Google rating do Perry Hall HVAC contractors have?

The median Google rating among 520 rated HVAC contractors in Perry Hall is 4.8★, with a median of 19 reviews. Len The Plumber Heating & Air, LLC has the most, 15,911 reviews, and ranks #25. 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 Perry Hall?

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 Perry Hall

  1. October 2026: CR Scores recalculated for 520 hvac contractors serving Perry Hall.
  2. October 2026: 2 duplicate listings merged.

More HVAC contractors and Perry Hall pages

Other trades in Perry Hall