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Comfort Defender Heating & AirHVAC contractor in Fairfax, VA

Comfort Defender Heating & Air is an HVAC contractor at 12500 Chronical Dr, Fairfax, VA 22030, ranked #15 of 1,083 HVAC contractors in Fairfax and rated 4.9 from 187 Google reviews. Open 24 hours a day, 7 days a week.

Fairfax, VAUpdated 0 paid placements in any rankingHow we rank

Call (703) 429-0221Website ↗

Key facts

Key facts about Comfort Defender Heating & Air
Address12500 Chronical Dr, Fairfax, VA 22030Get directions
Phone(703) 429-0221
Websitecomfortdefender.com
HoursOpen 24 hours, 7 days a week
Google rating4.9 from 187 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Fairfax and 11 towns within 25 miles: Greenbriar, Centreville, Fairfax Station, Chantilly, Kings Park West, Yorkshire, Oakton, Oak Hill, Manassas Park, Mantua and Burke.

Based in Fairfax, VAView on map

Opening hours

Opening hours for Comfort Defender Heating & Air
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

Comfort Defender Heating & Air compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Comfort Defender Heating & Air (this business)—904.9 (187)—YesYes
Krafft Service Corporation#13914.9 (1,631)—YesYes13.5 mi
Meade's Heating and Air#14905.0 (1,428)—YesYes12.6 mi
F.H. Furr Plumbing, Heating, Air Conditioning & Electrical#16904.7 (4,469)—YesYes12.7 mi

See all 1083 ranked HVAC contractors in Fairfax

Questions about Comfort Defender Heating & Air

How is Comfort Defender Heating & Air ranked in Fairfax?

Comfort Defender Heating & Air is ranked #15 of 1,083 HVAC contractors in Fairfax by CR Score, with 90 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity and profile completeness. No business can pay to change its rank.

What are Comfort Defender Heating & Air’s hours?

Comfort Defender Heating & Air is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does Comfort Defender Heating & Air serve?

Serves Fairfax and 11 towns within 25 miles: Greenbriar, Centreville, Fairfax Station, Chantilly, Kings Park West, Yorkshire, Oakton, Oak Hill, Manassas Park, Mantua and Burke. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about Comfort Defender Heating & Air?

Comfort Defender Heating & Air has a rating of 4.9 from 187 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Comfort Defender Heating & Air?

Call Comfort Defender Heating & Air on (703) 429-0221. The business is at 12500 Chronical Dr, Fairfax, VA 22030. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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