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ContractorsRanked

Best HVAC Contractors in Redland, MD (2026)

1,056 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Redland: GAC Services, CR Score 95/100; 4.9★ from 6,908 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Presidential, Inc., posts 24/7 hours; ranked #2 of 1,056.

  3. 19

    Most-reviewed: Michael & Son Services, 15,537 Google reviews at 4.7★, the most of 1,056 ranked; ranked #19.

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

1,056 Redland HVAC contractors are ranked here by CR Score, from 8 published factors. 313 are open 24/7, 706 open Saturdays and 493 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,056 rated businesses.

Top 10 HVAC contractors in Redland at a glance

Top 10 HVAC contractors in Redland at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1GAC Services954.9★ (6,908)Gaithersburg, 2 mi away24/7Overall
2Presidential, Inc.934.9★ (1,701)Gaithersburg, 2 mi away24/7Emergencies
3F.H. Furr Plumbing, Heating, Air Conditioning & Electrical924.7★ (5,985)Rockville, 4 mi away24/7—
4Michael Bonsby HVAC, Plumbing & Electrical924.8★ (2,083)Gaithersburg, 2 mi away24/7—
5Parker Pearce Service Experts924.8★ (1,700)Gaithersburg, 2 mi away24/7—
6Cool Breeze Plumbing, Heating & A/C914.8★ (666)Gaithersburg, 2 mi away24/7—
7Metro Services HVAC904.9★ (298)Gaithersburg, 3 mi away24/7—
8Cyprus Air Heating, Cooling and Fireplaces904.7★ (1,402)Rockville, 5 mi away24/7—
9Len The Plumber Heating & Air, LLC904.6★ (8,136)Silver Spring, 11 mi away24/7—
10Meade's Heating and Air905.0★ (1,428)Sterling, 17 mi away24/7—

The 1,056 best HVAC contractors in Redland, 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.

  1. Ranked #1 in Redland

    #1 GAC Services

    Based in Gaithersburg, 2 mi away

    95/100CR Score

    Ranked #1 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
    View profile for GAC Services(301) 202-1641

  11. #11 CroppMetcalfe

    Based in Fairfax, 19 mi away

    89/100CR Score

    Ranked #11 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
    View profile for CroppMetcalfe(703) 420-5030

  19. #19 Michael & Son Services

    Based in Alexandria, 24 mi away

    88/100CR Score

    Ranked #19 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
    View profile for Michael & Son Services(800) 948-6453

  24. #24 Mario Bro, LLC

    Based in Gaithersburg, 2 mi away

    88/100CR Score

    Ranked #24 because of its Google rating and availability: 5.0★ from 53 Google reviews, open 24/7.

    • 5.0★ from 53 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    18745 Blue Violet Ln, Gaithersburg, MD 20879
    View profile for Mario Bro, LLC(301) 325-6018

  25. #25 M.E. Flow

    Based in Leesburg, 22 mi away

    88/100CR Score

    Ranked #25 because of its Google rating and availability: 4.8★ from 3,718 Google reviews, open 24/7.

    • 4.8★ from 3,718 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12 Cardinal Park Dr SE STE 107, Leesburg, VA 20175
    View profile for M.E. Flow(571) 322-8847

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 1,056 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Redland, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26United Air Temp884.8★ (2,161)18 mi
27Meade's Heating and Air885.0★ (710)20 mi
28Environmental Systems Associates884.9★ (658)17 mi
29John C. Flood884.8★ (4,976)24 mi
30AZA heating, cooling, plumbing & construction875.0★ (959)23 mi
31Cardinal Plumbing Heating & Air Inc874.9★ (745)18 mi
32Abdul HVAC875.0★ (34)2 mi
33Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical874.8★ (4,514)24 mi
34Michael & Son Services874.7★ (419)9 mi
35Thomas E Clark Inc874.8★ (299)11 mi
36United Air Temp874.8★ (1,306)18 mi
37Tim Whistler Plumbing, Gas Fitting, HVAC, and Electrical874.8★ (291)11 mi
38Anthony & Son Indoor Air Quality, LLC874.8★ (838)4 mi
39B&B Air Conditioning & Heating Service875.0★ (357)18 mi
40Krafft Service Corporation874.9★ (1,631)23 mi
41Air 1 Mechanical Heating and Cooling874.9★ (440)17 mi
42Nelson's HVAC, LLC874.9★ (627)19 mi
43One Hour Air Conditioning & Heating® of Mount Airy874.7★ (852)15 mi
44United Air Temp864.7★ (75)5 mi
45Mega Services Inc.865.0★ (130)2 mi
46C.D. Shanahan's HVAC, Plumbing, Electrical & Remodeling LLC864.9★ (966)24 mi
47Clarksburg Heating864.9★ (60)8 mi
48Premier HVAC LLC865.0★ (230)19 mi
49Wenbrooke Services - Electrical, Plumbing, Heating and Air864.8★ (1,208)22 mi
50EzGreen Air duct And Dryer Vent Cleaning864.9★ (130)13 mi

Also serving Redland

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 Redland
BusinessGoogle ratingDistance
A Blessing Mechanical, LLC5.0★ (2)6 mi
AM/PM Emergency Services a division of Robert E Clubb & Associates5.0★ (2)14 mi
Beltway Air Conditioning, Heating & Plumbing4.9★ (2,167)25 mi
Bill Myers Inc4.5★ (2)14 mi
Conrod's Plumbing Heating and A/C5.0★ (2)12 mi
Davis Plumbing & Heating Inc5.0★ (2)10 mi
DMV Mechanical3.0★ (2)12 mi
Energy Systems Inc3.0★ (2)11 mi
Home Services at The Home Depot3.5★ (2)7 mi
Home Services at The Home Depot1.0★ (2)16 mi
JC & JC HVAC4.7★ (503)10 mi
JDL HVAC & Plumbing Services4.8★ (678)16 mi
Kensington Cooling & Heating5.0★ (2)9 mi
Owens & Johnsons Heating and Cooling3.0★ (2)6 mi
P W Scholl Plumbing & Heating Inc5.0★ (2)8 mi
R And R Climate Control Inc5.0★ (2)14 mi
R D Springer Plumbing & Heating5.0★ (2)13 mi
Rockville Heating & Air Services5.0★ (2)3 mi
S.L. Johnson Plumbing & Heating3.0★ (2)4 mi
Vito Services4.7★ (1,351)3 mi

How much do HVAC contractors cost in Redland?

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

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

We scored 1,056 Redland 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 Redland 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 Redland: frequently asked questions

Who is the best HVAC contractor in Redland?

By CR Score, the highest-ranked HVAC contractor in Redland, MD is GAC Services with a CR Score of 95/100. It has 4.9★ from 6,908 Google reviews. It is open 24/7. Presidential, Inc. (#2) and F.H. Furr Plumbing, Heating, Air Conditioning & Electrical (#3) follow. We ranked 1,056 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Redland?

ContractorsRanked ranks 1,056 HVAC contractors serving Redland, MD. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Redland are open 24/7?

313 ranked HVAC contractors in Redland post 24/7 hours. The highest-ranked are GAC Services (#1), Presidential, Inc. (#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 Redland work on weekends?

706 of 1,056 ranked HVAC contractors post Saturday hours and 493 post Sunday hours. The highest-ranked open Saturdays are GAC Services (#1), Presidential, Inc. (#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 Redland?

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

What Google rating do Redland HVAC contractors have?

The median Google rating among 1,056 rated HVAC contractors in Redland is 4.9★, with a median of 25 reviews. Michael & Son Services has the most, 15,537 reviews, and ranks #19. 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 Redland?

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 Redland

  1. October 2026: CR Scores recalculated for 1,056 hvac contractors serving Redland.
  2. October 2026: 7 duplicate listings merged.

More HVAC contractors and Redland pages

Other trades in Redland