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ContractorsRanked

Best HVAC Contractors in Franconia, VA (2026)

1,108 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Franconia: Michael & Son Services, CR Score 94/100; 4.7★ from 15,537 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): John C. Flood, posts 24/7 hours; ranked #2 of 1,108.

  3. 19

    Most-reviewed: F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, 17,172 Google reviews at 4.8★, the most of 1,108 ranked; ranked #19.

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

1,108 Franconia HVAC contractors are ranked here by CR Score, from 8 published factors. 343 are open 24/7, 760 open Saturdays and 523 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,108 rated businesses.

Top 10 HVAC contractors in Franconia at a glance

Top 10 HVAC contractors in Franconia at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Michael & Son Services944.7★ (15,537)Alexandria, 2 mi away24/7Overall
2John C. Flood934.8★ (4,976)Alexandria, 1 mi away24/7Emergencies
3AZA heating, cooling, plumbing & construction935.0★ (959)Alexandria, 3 mi away24/7—
4Krafft Service Corporation934.9★ (1,631)Alexandria, 2 mi away24/7—
5CroppMetcalfe924.8★ (7,638)Fairfax, 8 mi away24/7—
6United Air Temp924.8★ (1,318)Alexandria, 1 mi away24/7—
7F.H. Furr Plumbing, Heating, Air Conditioning & Electrical924.7★ (4,469)Lorton, 5 mi away24/7—
8C.D. Shanahan's HVAC, Plumbing, Electrical & Remodeling LLC914.9★ (966)Springfield, 4 mi away24/7—
9OHA HVAC, Plumbing, Chimney & Fireplaces914.9★ (1,794)Fairfax, 8 mi away24/7—
10McDaniel Service, Inc914.9★ (770)Lorton, 5 mi away24/7—

The 1,108 best HVAC contractors in Franconia, 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.

  2. #2 John C. Flood

    Based in Alexandria, 1 mi away

    93/100CR Score

    Ranked #2 because of its Google rating and availability: 4.8★ from 4,976 Google reviews, open 24/7.

    • 4.8★ from 4,976 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6430 General Green Way, Alexandria, VA 22312
    View profile for John C. Flood(571) 605-7008

  5. #5 CroppMetcalfe

    Based in Fairfax, 8 mi away

    92/100CR Score

    Ranked #5 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

  6. #6 United Air Temp

    Based in Alexandria, 1 mi away

    92/100CR Score

    Ranked #6 because of its Google rating and availability: 4.8★ from 1,318 Google reviews, open 24/7.

    • 4.8★ from 1,318 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6094 Franconia Rd # B, Alexandria, VA 22310
    View profile for United Air Temp(703) 762-2488

  14. #14 United Air Temp

    Based in Springfield, 3 mi away

    90/100CR Score

    Ranked #14 because of its Google rating and availability: 4.9★ from 313 Google reviews, open 24/7.

    • 4.9★ from 313 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5537 Hempstead Way suite a, Springfield, VA 22151
    View profile for United Air Temp(571) 336-8646

  16. #16 M.E. Flow

    Based in Lorton, 5 mi away

    90/100CR Score

    Ranked #16 because of its Google rating and availability: 4.8★ from 866 Google reviews, open 24/7.

    • 4.8★ from 866 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7200 Telegraph Square Dr, Lorton, VA 22079
    View profile for M.E. Flow(571) 470-7235

  17. #17 Caffi Services

    Based in Alexandria, 6 mi away

    90/100CR Score

    Ranked #17 because of its Google rating and availability: 4.9★ from 508 Google reviews, open 24/7.

    • 4.9★ from 508 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1313 Powhatan St, Alexandria, VA 22314
    View profile for Caffi Services(703) 962-6052

  20. #20 United Air Temp

    Based in Fort Washington, 10 mi away

    90/100CR Score

    Ranked #20 because of its Google rating and availability: 4.8★ from 1,775 Google reviews, open 24/7.

    • 4.8★ from 1,775 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5620 St Barnabas Rd Ste 240, Fort Washington, MD 20744
    View profile for United Air Temp(240) 342-3956

  21. #21 M.E. Flow

    Based in Lorton, 5 mi away

    90/100CR Score

    Ranked #21 because of its Google rating and availability: 4.7★ from 1,169 Google reviews, open 24/7.

    • 4.7★ from 1,169 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8580 Cinder Bed Rd #200, Lorton, VA 22079
    View profile for M.E. Flow(571) 350-3183

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 1,108 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Franconia, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26United Air Temp894.4★ (4,301)3 mi
27ACCURATE894.9★ (208)5 mi
28United Air Temp894.7★ (1,754)10 mi
29GAC Services894.9★ (6,908)25 mi
30Cardinal Plumbing Heating & Air Inc894.9★ (2,958)21 mi
31Comfort Solutions894.8★ (298)5 mi
32McCarthy Services894.4★ (3,547)4 mi
33AllTech Services, Inc884.9★ (2,807)21 mi
34Snell Home Services884.8★ (5,283)21 mi
35Meade's Heating and Air885.0★ (1,428)22 mi
36Mission Comfort885.0★ (625)17 mi
37Len The Plumber Heating & Air, LLC884.6★ (8,136)18 mi
38Cardinal Plumbing Heating & Air Inc884.9★ (1,720)5 mi
39McCarthy Services884.8★ (335)8 mi
40Sila Heating, Air Conditioning & Plumbing884.8★ (295)8 mi
41A-Plus Service Experts874.8★ (1,234)17 mi
42Cardinal Plumbing Heating & Air Inc874.9★ (745)17 mi
43Su' Coy Heating, AC & Duct Cleaning874.9★ (205)10 mi
44F.H. Furr Plumbing, Heating, Air Conditioning & Electrical874.7★ (5,985)22 mi
45Michael & Son Services874.9★ (1,501)22 mi
46Argent Heating Cooling and Plumbing874.7★ (392)8 mi
47Alex Hvac Service LLC874.9★ (310)14 mi
48HVAC DONE EZ LLC875.0★ (272)16 mi
49United Air Temp874.8★ (2,161)21 mi
50GW Air Service874.9★ (270)13 mi

Also serving Franconia

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 Franconia
BusinessGoogle ratingDistance
(HVACR) Lord refrigeration3.0★ (2)4 mi
ABA Climate Control5.0★ (2)5 mi
Air Max HVACR5.0★ (2)5 mi
AJ Heating and AC, Inc.5.0★ (2)5 mi
Alta Vista Heating & Air Conditioning3.0★ (2)4 mi
ARS / Rescue Rooter4.5★ (5,934)17 mi
AY Comfort, Inc.5.0★ (2)6 mi
Back 2 Basic HVAC LLC5.0★ (2)6 mi
Brad Knows HVAC5.0★ (2)5 mi
Construction Trade Services3.0★ (2)4 mi
Cyprus Air Heating, Cooling and Fireplaces4.3★ (2,189)4 mi
Homestead Handymen HVAC/R, LLC5.0★ (2)7 mi
James Ozie's Heating & AC5.0★ (2)5 mi
Michael & Son Services4.8★ (993)17 mi
Perfect Temp Heating & Cooling5.0★ (2)7 mi
Power, LLC5.0★ (2)5 mi
Sears Window Replacement2.5★ (2)2 mi
THE ELECTRICIANS3.0★ (2)5 mi
Ultra Painting HVAC Pros5.0★ (2)7 mi
UNIAIRE(Chantilly)3.0★ (2)5 mi

How much do HVAC contractors cost in Franconia?

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

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

We scored 1,108 Franconia 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 Franconia 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 Franconia: frequently asked questions

Who is the best HVAC contractor in Franconia?

By CR Score, the highest-ranked HVAC contractor in Franconia, VA is Michael & Son Services with a CR Score of 94/100. It has 4.7★ from 15,537 Google reviews. It is open 24/7. John C. Flood (#2) and AZA heating, cooling, plumbing & construction (#3) follow. We ranked 1,108 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Franconia?

ContractorsRanked ranks 1,108 HVAC contractors serving Franconia, VA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Franconia are open 24/7?

343 ranked HVAC contractors in Franconia post 24/7 hours. The highest-ranked are Michael & Son Services (#1), John C. Flood (#2) and AZA heating, cooling, plumbing & construction (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Franconia work on weekends?

760 of 1,108 ranked HVAC contractors post Saturday hours and 523 post Sunday hours. The highest-ranked open Saturdays are Michael & Son Services (#1), John C. Flood (#2) and AZA heating, cooling, plumbing & construction (#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 Franconia?

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

What Google rating do Franconia HVAC contractors have?

The median Google rating among 1,108 rated HVAC contractors in Franconia is 4.9★, with a median of 21 reviews. F.H. Furr Plumbing, Heating, Air Conditioning & Electrical has the most, 17,172 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 Franconia?

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 Franconia

  1. October 2026: CR Scores recalculated for 1,108 hvac contractors serving Franconia.
  2. October 2026: 12 duplicate listings merged.

More HVAC contractors and Franconia pages

Other trades in Franconia