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Belair Engineering and Service Company, Inc.HVAC contractor in Greater Upper Marlboro, MD

Belair Engineering and Service Company, Inc. is an HVAC contractor at 15881 Commerce Ct, Upper Marlboro, MD 20774, ranked #1 of 743 HVAC contractors in Greater Upper Marlboro and rated 4.9 from 1,421 Google reviews. Open 24 hours a day, 7 days a week.

Greater Upper Marlboro, MDUpdated 0 paid placements in any rankingHow we rank

Call (301) 249-0300Website ↗

Key facts

Key facts about Belair Engineering and Service Company, Inc.
Address15881 Commerce Ct, Upper Marlboro, MD 20774, Greater Upper Marlboro, MDGet directions
Phone(301) 249-0300
Websitebelairengineering.com
HoursOpen 24 hours, 7 days a week
Google rating4.9 from 1,421 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Plumbingadditional Google category

Service area

Serves Greater Upper Marlboro and 11 towns within 25 miles: Brock Hall, Mitchellville, Bowie, Marlboro Village, Kettering, Westphalia, Largo, Lake Arbor, Fairwood, Davidsonville and Summerfield.

Based in Greater Upper Marlboro, MDView on map

Opening hours

Opening hours for Belair Engineering and Service Company, Inc.
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

Belair Engineering and Service Company, Inc. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Belair Engineering and Service Company, Inc. (this business)—934.9 (1,421)—YesYes
Fixed Right & Guaranteed Super Techs, LLC#2905.0 (1,032)—YesYes14.3 mi
Grove Heating & Cooling#3904.9 (1,156)—YesYes7.5 mi

See all 743 ranked HVAC contractors in Greater Upper Marlboro

Questions about Belair Engineering and Service Company, Inc.

How is Belair Engineering and Service Company, Inc. ranked in Greater Upper Marlboro?

Belair Engineering and Service Company, Inc. is ranked #1 of 743 HVAC contractors in Greater Upper Marlboro by CR Score, with 93 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 Belair Engineering and Service Company, Inc.’s hours?

Belair Engineering and Service Company, Inc. 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 Belair Engineering and Service Company, Inc. serve?

Serves Greater Upper Marlboro and 11 towns within 25 miles: Brock Hall, Mitchellville, Bowie, Marlboro Village, Kettering, Westphalia, Largo, Lake Arbor, Fairwood, Davidsonville and Summerfield. 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 Belair Engineering and Service Company, Inc.?

Belair Engineering and Service Company, Inc. has a rating of 4.9 from 1,421 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 Belair Engineering and Service Company, Inc.?

Call Belair Engineering and Service Company, Inc. on (301) 249-0300. The business is at 15881 Commerce Ct, Upper Marlboro, MD 20774, Greater Upper Marlboro, MD. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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