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Home > Find a Contractor > MD Contractors

Quality One Service Network Contractors - Maryland


BELAIR ENGINEERING & SERVICE CO., INC. 
15881 Commerce Ct. 
Upper Marlboro, MD 20774 
Phone: (301) 249-0300
Website:  www.belaireng.com
Doors Opened:1962 
Business Type: Air Conditioning, Heating, Plumbing, Sheet Metal, Ventilation 
Fields of Work: Commercial, Government, Industrial, Institutional, Residential 
Jurisdictions Work In: Anne Arundel County, Calvert County, Charles County, Howard County, PG County 


CLIMATE HEATING AND COOLING 
P.O. Box 1637 
Springfield, VA 22151-0637 
Phone: (703) 533-1810
Website:  www.climateinc.com
Doors Opened: 1961 
Business Type: Air Conditioning, Electrical, Heating, Sheet Metal, Ventilation 
Fields of Work: Commercial, Residential 
Jurisdictions Work In: Anne Arundel County, Arlington County, Calvert County, Charles County, Fairfax County, Fauquier County, Howard County, King George County, Loudoun County, Montgomery County, PG County, Prince William County, St. Mary's County, Stafford County, Washington, DC 


CROPPMETCALFE SERVICES
2816 Dorr Ave. 
Fairfax, VA 22031-1570 
Phone: (703) 698-8855
Website:  www.croppmetcalfe.com
Doors Opened: 1979 
Business Type: Air Conditioning, Heating, Refrigeration, Sheet Metal, Ventilation 
Fields of Work: Commercial, Residential 
Jurisdictions Work In: Anne Arundel County, Arlington County, Calvert County, Charles County, Fairfax County, Fauquier County, Howard County, Loudoun County, Montgomery County, PG County, Prince William County, St. Mary's County, Stafford County, Washington, DC 


DICK'S AIR CONDITIONING AND HEATING, INC. 
7603 Allentown Rd. 
Ft. Washington, MD 20744-1708 
Phone: (301) 248-6000
Website:  www.dickshvac.com
Doors Opened: 1968 
Business Type: Air Conditioning, Heating, Sheet Metal, Ventilation 
Fields of Work: Commercial, Residential 
Jurisdictions Work In: Charles County, PG County 


ENVIRONMENTAL SYSTEMS ASSOC. 
9375-J Gerwig La. 
Columbia, MD 21046-1524 
Phone: (410) 381-7991
Website:  www.esaheatac.com
Doors Opened: 1972 
Business Type: Air Conditioning, Heating, Sheet Metal, Ventilation 
Fields of Work: Residential 
Jurisdictions Work In: Howard County, Montgomery County, PG County 


GLENMONT AIR CONDITIONING AND HEATING, INC. 
2251 Lewis Ave. 
Rockville, MD 20851-2333 
Phone: (301) 468-2665
Website:  www.glenmonthvac.com
Doors Opened: 1984 
Business Type: Air Conditioning, Heating, Refrigeration, Sheet Metal, Ventilation 
Fields of Work: Commercial, Government, Industrial, Institutional, Residential 
Jurisdictions Work In: Anne Arundel County, Arlington County, Fairfax County, Montgomery County, PG County, Washington, DC 


H & C, INC. 
9010 Maier Rd., #123 
Laurel, MD 20723-6348 
Phone: (301) 953-2113
Doors Opened: 1969 
Business Type: Air Conditioning, Heating, Sheet Metal, Ventilation 
Fields of Work: Commercial, Government, Institutional, Residential 
Jurisdictions Work In: Anne Arundel County, Howard County, Montgomery County, PG County, Washington, DC 


J & P HEATING AND AIR CONDITIONING 
7907 Penn Randall Pl 
Upper Marlboro, MD 20772 
Phone: 301-669-7000 or 1-800-349-1110
Website:  www.jandp.com
Doors Opened: 1969 
Business Type: Air Conditioning, Energy Management, Heating, Sheet Metal, Ventilation 
Fields of Work: Commercial, Government, Institutional, Residential 
Jurisdictions Work In: Arlington County, Fairfax County, Montgomery County, PG County, Washington, DC 


JAMES A. WHEAT & SONS 
7834 Beechcraft Ave.
Gaithersburg, MD 20879
Phone: (240) 399-5037
Website:  www.wheatandsons.com
Doors Opened: 1978
Business Type: Air Conditioning, Heating, Plumbing, Water Treatment Systems, Home Energy Audits
Fields of Work: Residential
Jurisdictions Work In: Montgomery County, Washington, DC


KRAFFT SERVICE CORPORATION 
5707-A Edsall Rd. 
Alexandria, VA 22304-4711 
Phone: (703) 751-7510
Website:  www.krafftservice.net
Doors Opened: 1940 
Business Type: Air Conditioning, Electrical, Heating, Sheet Metal, Ventilation 
Fields of Work: Commercial, Residential 
Jurisdictions Work In: Arlington County, Fairfax County, Fauquier County, Loudoun County, Montgomery County, PG County, Prince William County, Stafford County, Washington, DC 


PRESIDENTIAL HEATING AND AIR CONDITIONING 
8000 Cessna Ave. 
Gaithersburg, MD 20879-4119 
Phone: (301) 670-0851
Website:  www.presidentialheat.com
Doors Opened: 1982 
Business Type: Air Conditioning, Heating, Refrigeration, Ventilation 
Fields of Work: Commercial, Residential 
Jurisdictions Work In: Arlington County, Fairfax County, Howard County, Montgomery County, PG County, Washington, DC 


SHAPIRO & DUNCAN, INC. 
14620 Rothgeb Drive 
Rockville, MD 20850 
Phone: (301)-315-6260
Website:  www.shapiroandduncan.com
Doors Opened: 1976 
Business Type: Air Conditioning, Energy Management, Heating, Plumbing, Refrigeration, Ventilation 
Fields of Work: Commercial, Government, Industrial, Institutional, Residential 
Jurisdictions Work In: Anne Arundel County, Arlington County, Calvert County, Charles County, Fairfax County, Fauquier County, Howard County, Loudoun County, Montgomery County, PG County, Prince William County, St. Mary's County, Washington, DC 


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  • Home
  • About Us
    • Mission Statement
    • From the President
  • Find a Contractor
    • All Contractors
    • District of Columbia
    • Maryland
    • Virginia
  • Consumer Info
    • Fall Maintenance
    • Winter Maintenance
    • Energy Star
    • Heating, Cooling & Hot Water Systems
    • Humidifiers
    • Radiant Floors
    • NATE Certification
    • New Refrigerant
    • SEER Rating
    • UV Lights
    • iWave-R
    • Variable Speed
    • Zoning Systems
  • FAQs
  • Membership
  • Contact Us