Skip to content
ContractorsRanked

Best HVAC Contractors in Parkville, MD (2026)

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

The short answer

  1. 1

    Best overall in Parkville: Michael & Son Services, CR Score 92/100; 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 573.

  3. 16

    Most-reviewed: Len The Plumber Heating & Air, LLC, 15,911 Google reviews at 4.7★, the most of 573 ranked; ranked #16.

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

573 Parkville HVAC contractors are ranked here by CR Score, from 8 published factors. 171 are open 24/7, 346 open Saturdays and 262 open Sundays, based on posted hours. The median Google rating is 4.8★ across 573 rated businesses.

Top 10 HVAC contractors in Parkville at a glance

Top 10 HVAC contractors in Parkville at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Michael & Son Services924.7★ (8,039)Baltimore, 5 mi away24/7Overall
2Complete Climate Services LLC915.0★ (786)Baltimore, 7 mi away24/7Emergencies
3Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical914.8★ (4,514)Baltimore, 12 mi away24/7—
4Maryland Heating & Air904.9★ (369)Essex, 6 mi away24/7—
5Boothe's Heating, Air, Plumbing, Drains & Electrical894.9★ (1,461)Dundalk, 14 mi away24/7—
6Alpha Heating & Air Conditioning, LLC894.9★ (419)Arbutus, 8 mi away24/7—
7Contemporary Air Systems, Inc.895.0★ (195)Essex, 6 mi away24/7—
8Elmar Heating & Cooling894.8★ (614)Timonium, 7 mi away24/7—
9Hughes Mechanical, LLC894.8★ (408)Essex, 6 mi away24/7—
10Abbott Brothers Plumbing & Heating of Maryland894.8★ (354)Baltimore, 6 mi away24/7—

The 573 best HVAC contractors in Parkville, 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.

  12. #12 Farnen & Dermer

    Based in Owings Mills, 13 mi away

    88/100CR Score

    Ranked #12 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

  14. #14 Broyles HVACR

    Based in Joppatowne, 10 mi away

    88/100CR Score

    Ranked #14 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

  17. #17 HGH Mechanical

    Based in Edgewood, 13 mi away

    87/100CR Score

    Ranked #17 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

  20. #20 Blue Dot Services

    Based in Bel Air North, 16 mi away

    87/100CR Score

    Ranked #20 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

  21. #21 Triple E

    Based in Reisterstown, 16 mi away

    87/100CR Score

    Ranked #21 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

  22. #22 S&L Prime A/C and Heating

    Based in Cockeysville, 6 mi away

    87/100CR Score

    Ranked #22 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

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

HVAC contractors in Parkville, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Anchor Mechanical LLC874.9★ (340)16 mi
27Arundel Service Experts864.7★ (472)12 mi
28A.J. Michaels864.5★ (309)4 mi
29Tario HVAC, LLC864.9★ (142)12 mi
30Aire Serv of Bel Air864.9★ (309)17 mi
31Breezy Heating Ventilation and Air Conditioning864.8★ (121)9 mi
32Environmental Systems Associates864.9★ (658)22 mi
33Rowbel Services865.0★ (32)5 mi
34Comfort Air865.0★ (65)11 mi
35United Air Temp864.9★ (180)15 mi
36Beltway Air Conditioning, Heating & Plumbing864.9★ (2,167)17 mi
37Albright's Mechanical Services864.8★ (530)6 mi
38Warrior Plumbing & Heating864.9★ (400)6 mi
39Beyond Cooling LLC864.9★ (82)11 mi
40AAA864.7★ (60)In Parkville
41Ambient LLC864.8★ (336)17 mi
42F.H. Furr Plumbing, Heating, Air Conditioning & Electrical864.7★ (1,847)23 mi
43First Response Heating & Cooling864.8★ (285)16 mi
44Dalton Air Conditioning Repair855.0★ (44)9 mi
45G & G Mechanical Heating & AC854.7★ (51)5 mi
46Synergy Mechanical Solutions855.0★ (37)8 mi
47Griff's Heating and Air855.0★ (93)16 mi
48Clarksville Heating & Air, LLC855.0★ (729)17 mi
49Excel Services854.9★ (411)18 mi
50Aire-Craft Heating & Cooling Co Inc854.8★ (26)5 mi

Also serving Parkville

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 Parkville
BusinessGoogle ratingDistance
Alban Mechanical3.0★ (2)13 mi
Any Saeson Heating Air Conditioning LLC.In Parkville
Around the Clock Plumbing & Heating5.0★ (2)14 mi
Baltimore HVAC Repair Elite5.0★ (10)2 mi
Bennett Air Care LLC5.0★ (2)10 mi
Brothers HVAC LLC4.9★ (76)13 mi
Capitol Boiler Works1.0★ (2)11 mi
Commercial CAD5.0★ (2)6 mi
Dan Rainville AssociatesIn Parkville
DJE Plumbing and Heating5.0★ (2)11 mi
DM3 Heating & Air5.0★ (2)12 mi
Elite Heating And Cooling3.0★ (2)In Parkville
One Hour Air Conditioning & Heating® of Harford County4.8★ (292)18 mi
R & G Plumbing & Heating5.0★ (2)7 mi
Ready Air HVAC5.0★ (2)5 mi
Scardina Plumbing-Heating Inc5.0★ (2)6 mi
Shielded Edge Property Solutions5.0★ (2)13 mi
Towson Mechanical, Inc3.8★ (10)In Parkville
TRIO HVACR SERVICES5.0★ (2)6 mi
United Air Temp4.4★ (88)4 mi

How much do HVAC contractors cost in Parkville?

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

How much do HVAC contractors cost in Parkville?
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 Parkville HVAC contractors

We scored 573 Parkville 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 Parkville 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 Parkville: frequently asked questions

Who is the best HVAC contractor in Parkville?

By CR Score, the highest-ranked HVAC contractor in Parkville, MD is Michael & Son Services with a CR Score of 92/100. 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 573 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Parkville?

ContractorsRanked ranks 573 HVAC contractors serving Parkville, MD. 1 of them is based in Parkville; 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 Parkville are open 24/7?

171 ranked HVAC contractors in Parkville 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 Parkville work on weekends?

346 of 573 ranked HVAC contractors post Saturday hours and 262 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 Parkville?

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

What Google rating do Parkville HVAC contractors have?

The median Google rating among 573 rated HVAC contractors in Parkville is 4.8★, with a median of 20 reviews. Len The Plumber Heating & Air, LLC has the most, 15,911 reviews, and ranks #16. 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 Parkville?

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 Parkville

  1. October 2026: CR Scores recalculated for 573 hvac contractors serving Parkville.
  2. October 2026: 2 duplicate listings merged.

More HVAC contractors and Parkville pages

Other trades in Parkville