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ContractorsRanked

Best HVAC Contractors in South Riding, VA (2026)

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

The short answer

  1. 1

    Best overall in South Riding: AllTech Services, Inc, CR Score 93/100; 4.9★ from 2,807 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, posts 24/7 hours; ranked #2 of 848.

  3. 2

    Most-reviewed: F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, 17,172 Google reviews at 4.8★, the most of 848 ranked; ranked #2.

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

848 South Riding HVAC contractors are ranked here by CR Score, from 8 published factors. 265 are open 24/7, 612 open Saturdays and 418 open Sundays, based on posted hours. The median Google rating is 4.9★ across 848 rated businesses.

Top 10 HVAC contractors in South Riding at a glance

Top 10 HVAC contractors in South Riding at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1AllTech Services, Inc934.9★ (2,807)Sterling, 5 mi away24/7Overall
2F.H. Furr Plumbing, Heating, Air Conditioning & Electrical934.8★ (17,172)Manassas, 11 mi away24/7Emergencies, Most reviews
3Snell Home Services934.8★ (5,283)Sterling, 5 mi away24/7—
4Pro Sky Services925.0★ (484)South Riding24/7—
5Cardinal Plumbing Heating & Air Inc924.9★ (2,958)Sterling, 7 mi away24/7—
6Meade's Heating and Air925.0★ (1,428)Sterling, 9 mi away24/7—
7Reddick & Sons, Inc925.0★ (3,027)Manassas, 13 mi away24/7—
8Michael & Son Services914.9★ (1,501)Sterling, 8 mi away24/7—
9United Air Temp914.8★ (2,161)Sterling, 7 mi away24/7—
10Vernon The Heating & Cooling Specialist914.8★ (837)Sterling, 3 mi away24/7—

The 848 best HVAC contractors in South Riding, 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 South Riding

    #1 AllTech Services, Inc

    Based in Sterling, 5 mi away

    93/100CR Score

    Ranked #1 because of its Google rating and availability: 4.9★ from 2,807 Google reviews, open 24/7.

    • 4.9★ from 2,807 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    101-A Executive Dr STE 200, Sterling, VA 20166
    View profile for AllTech Services, Inc(703) 214-2940

  9. #9 United Air Temp

    Based in Sterling, 7 mi away

    91/100CR Score

    Ranked #9 because of its Google rating and availability: 4.8★ from 2,161 Google reviews, open 24/7.

    • 4.8★ from 2,161 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    45570 Shepard Dr Ste. #6, Sterling, VA 20164
    View profile for United Air Temp(571) 888-8078

  12. #12 CroppMetcalfe

    Based in Fairfax, 15 mi away

    90/100CR Score

    Ranked #12 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

  15. #15 M.E. Flow

    Based in Leesburg, 12 mi away

    90/100CR Score

    Ranked #15 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

  20. #20 Premier HVAC LLC

    Based in Herndon, 6 mi away

    89/100CR Score

    Ranked #20 because of its Google rating and availability: 5.0★ from 230 Google reviews, open 24/7.

    • 5.0★ from 230 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1153 Cypress Tree Pl, Herndon, VA 20170
    View profile for Premier HVAC LLC(703) 568-4156

  22. #22 Appleton Campbell

    Based in Warrenton, 22 mi away

    89/100CR Score

    Ranked #22 because of its Google rating and availability: 4.9★ from 6,454 Google reviews, open 24/7.

    • 4.9★ from 6,454 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    285 Alwington Blvd, Warrenton, VA 20186
    View profile for Appleton Campbell(540) 347-0765

  25. #25 GAC Services

    Based in Gaithersburg, 23 mi away

    89/100CR Score

    Ranked #25 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

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

HVAC contractors in South Riding, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Michael & Son Services894.7★ (15,537)20 mi
27Conde Tech Services, LLC895.0★ (166)6 mi
28CroppMetcalfe894.9★ (2,082)17 mi
29Turner's Service Co. Heating & Air Conditioning894.8★ (1,037)11 mi
30John C. Flood884.8★ (4,976)20 mi
31Nelson's HVAC, LLC884.9★ (627)13 mi
32ARS / Rescue Rooter884.5★ (5,934)11 mi
33My Plumber Plus884.7★ (7,642)8 mi
34C.D. Shanahan's HVAC, Plumbing, Electrical & Remodeling LLC884.9★ (966)17 mi
35Express Tech Air885.0★ (213)12 mi
36Pride884.7★ (616)8 mi
37Ava Air Heating and Cooling885.0★ (263)1 mi
38AZA heating, cooling, plumbing & construction885.0★ (959)21 mi
39Comfort Defender Heating & Air884.9★ (187)9 mi
40R A Dobson Inc884.8★ (164)6 mi
41911Air-Care885.0★ (81)6 mi
42KCS Heating & Air885.0★ (697)8 mi
43Pro Sky AC&Heating884.9★ (77)4 mi
44HVAC DONE EZ LLC875.0★ (272)15 mi
45Krafft Service Corporation874.9★ (1,631)22 mi
46POPE'S AIR874.9★ (235)11 mi
47Virginia Air Heating & Cooling Inc875.0★ (32)1 mi
48Cube Heating & Cooling875.0★ (96)8 mi
49Hudson’s Heating & Air Conditioning875.0★ (161)12 mi
50Clover Contracting: Plumbing, HVAC & Air Purification874.9★ (156)10 mi

Also serving South Riding

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 South Riding
BusinessGoogle ratingDistance
Air Max HVACR5.0★ (2)16 mi
Airtron Heating and Air Conditioning3.0★ (2)4 mi
AJ Heating and AC, Inc.5.0★ (2)16 mi
changepro USA1.0★ (2)9 mi
Dave's Heating & Air Conditioning4.8★ (138)7 mi
F.H. Furr Plumbing, Heating, Air Conditioning & Electrical4.7★ (4,469)21 mi
H & M HVAC General Construction Inc.5.0★ (2)8 mi
Hansen's Heating & Cooling3.0★ (2)9 mi
Heating Air Conditioning Repair5.0★ (2)4 mi
Home Services at The Home Depot1.0★ (2)10 mi
Home Services at The Home Depot5.0★ (2)13 mi
HVAC Heroes of Ashburn Co.5.0★ (2)3 mi
J&D Mechanical Services, Inc.1.0★ (2)15 mi
Parrish Services4.8★ (1,816)11 mi
Precision Air Inc5.0★ (2)14 mi
Relax HVAC Inc5.0★ (2)9 mi
Sears Heating and Air Conditioning3.0★ (2)8 mi
Seneff Heating & Air Inc5.0★ (2)11 mi
Tri-State Masters5.0★ (2)13 mi
WillB HVACIn South Riding

How much do HVAC contractors cost in South Riding?

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

How much do HVAC contractors cost in South Riding?
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 Virginia

In Virginia, Virginia Board for Contractors (DPOR) licenses Contractor license with an HVAC specialty; HVAC technicians hold tradesman licenses.

  1. Search the business name or license number on the Virginia Board for Contractors (DPOR) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. 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 Virginia

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 South Riding HVAC contractors

We scored 848 South Riding 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 South Riding 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 South Riding: frequently asked questions

Who is the best HVAC contractor in South Riding?

By CR Score, the highest-ranked HVAC contractor in South Riding, VA is AllTech Services, Inc with a CR Score of 93/100. It has 4.9★ from 2,807 Google reviews. It is open 24/7. F.H. Furr Plumbing, Heating, Air Conditioning & Electrical (#2) and Snell Home Services (#3) follow. We ranked 848 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in South Riding?

ContractorsRanked ranks 848 HVAC contractors serving South Riding, VA. 1 of them is based in South Riding; 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 South Riding are open 24/7?

265 ranked HVAC contractors in South Riding post 24/7 hours. The highest-ranked are AllTech Services, Inc (#1), F.H. Furr Plumbing, Heating, Air Conditioning & Electrical (#2) and Snell Home Services (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in South Riding work on weekends?

612 of 848 ranked HVAC contractors post Saturday hours and 418 post Sunday hours. The highest-ranked open Saturdays are AllTech Services, Inc (#1), F.H. Furr Plumbing, Heating, Air Conditioning & Electrical (#2) and Snell Home Services (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in Virginia?

In Virginia, Virginia Board for Contractors (DPOR) handles licensing and covers Contractor license with an HVAC specialty; HVAC technicians hold tradesman licenses. Search the business or license number at https://www.dpor.virginia.gov/LicenseLookup.

How much does ac replacement cost in South Riding?

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

What Google rating do South Riding HVAC contractors have?

The median Google rating among 848 rated HVAC contractors in South Riding is 4.9★, with a median of 25 reviews. F.H. Furr Plumbing, Heating, Air Conditioning & Electrical has the most, 17,172 reviews, and ranks #2. 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 South Riding?

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 South Riding

  1. October 2026: CR Scores recalculated for 848 hvac contractors serving South Riding.
  2. October 2026: 8 duplicate listings merged.

More HVAC contractors and South Riding pages

Other trades in South Riding