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Our Story
Diversified HVAC is a family owned and operated business focused on providing outstanding customer care in the commercial HVAC industry since 1990. We pride ourselves on our core values of family, integrity and excellence. Diversified HVAC employs only the best technicians in the industry, those with the same values that reflect our company culture.
Commercial Experience
Misc Project
Animal Hospital / Kennel
Apartments & Condominiums
Assisted Living
Auto Dealership / Service
Bank
Casinos
Church / Synagogue
City / Town Hall
Club House / Community Center
Court House
Data Centers - Mission Critical
Design Build
Education (K-12)
Fire / Police Station
Fitness Center
Gas Station
Golf Course
Hospital / Nursing Home
Hotel / Motel
House
Industrial Maintenance
Jail / Prison
Laboratory
Library
Manufacturing Plant
Medical Office
Military
Mixed Use
Museum
Non-Residential Building
Office Building
Parking Garage
Post Office
Radio / Television Station
Renewable Energy
Restaurant
Retail Store
School / College / University
Sewage / Water Treatment Plant
Single Family Residential
Storage Facility / Warehouse
Swimming Pool
Terminal - Airport / Bus / Railroad
Theater
Theme Park
Regions & Counties Serviced
- Washington D.C.
District Of Columbia All
Maryland 8
- Anne Arundel
- Baltimore
- Baltimore City
- Carroll
- Harford
- Howard
- Montgomery
- Prince Georges
Virginia 17
- Alexandria (City Of)
- Arlington
- Clarke
- Culpeper
- Fairfax
- Fairfax (City Of)
- Falls Church (City Of)
- Fauquier
- Fredericksburg (City Of)
- King George
- Loudoun
- Manassas (City Of)
- Manassas Park (City Of)
- Prince William
- Spotsylvania
- Stafford
- Warren
Our CSI Codes
23 01 20 - Operation and Maintenance of HVAC Piping and Pumps
23 01 30 - Operation and Maintenance of HVAC Air Distribution
23 01 50 - Operation and Maintenance of Central Heating Equipment
23 01 60 - Operation and Maintenance of Central Cooling Equipment
23 01 70 - Operation and Maintenance of Central HVAC Equipment
23 01 80 - Operation and Maintenance of Decentralized HVAC Equipment
23 06 20 - Schedules for HVAC Piping and Pumps
23 06 30 - Schedules for HVAC Air Distribution
23 06 30.16 - Air Terminal Unit Schedule
23 06 30.19 - Air Outlet and Inlet Schedule
23 06 50 - Schedules for Central Heating Equipment
23 06 50.13 - Heating Boiler Schedule
23 06 70 - Schedules for Central HVAC Equipment
23 06 70.13 - Indoor, Central-Station Air-Handling Unit Schedule
23 06 70.16 - Packaged Outdoor HVAC Equipment Schedule
23 06 80 - Schedules for Decentralized HVAC Equipment
23 06 80.13 - Decentralized Unitary HVAC Equipment Schedule
23 06 80.16 - Convection Heating and Cooling Unit Schedule
23 20 00.00.01 - HVAC Piping and Pumps
23 30 00.00.01 - HVAC Air Distribution
23 50 00.00.01 - Central Heating Equipment
23 52 33.19 - Copper Water-Tube Boilers
23 52 13 - Electric Boilers
23 52 16 - Condensing Boilers
23 52 16.13 - Stainless-Steel Condensing Boilers
23 52 16.16 - Aluminum Condensing Boilers
23 52 19 - Pulse Combustion Boilers
23 52 23 - Cast-Iron Boilers
23 52 33 - Water-Tube Boilers
23 52 33.13 - Finned Water-Tube Boilers
23 52 33.16 - Steel Water-Tube Boilers
23 52 39 - Fire-Tube Boilers
23 52 39.13 - Scotch Marine Boilers
23 52 39.16 - Steel Fire-Tube Boilers
23 53 16 - Deaerators
23 65 13 - Forced-Draft Cooling Towers
23 65 13.13 - Open-Circuit, Forced-Draft Cooling Towers
23 65 13.16 - Closed-Circuit, Forced-Draft Cooling Towers
23 65 16 - Natural-Draft Cooling Towers
23 65 23 - Field-Erected Cooling Towers
42 01 20 - Operation and Maintenance of Process Cooling Equipment
42 06 20 - Schedules for Process Cooling Equipment
42 11 13 - Low-Pressure Process Boilers
42 11 16 - Intermediate-Pressure Process Boilers
42 11 19 - High-Pressure Process Boilers
42 11 23 - Specialty Process Boilers
42 13 26 - Industrial Solar Radiation Heat Exchangers
42 21 13 - Open-Circuit Process Cooling Towers
42 21 16 - Closed-Circuit Process Cooling Towers
48 11 13 - Fossil Fuel Electrical Power Plant Boilers
Preferred Brands
AAON
American Standard
BAC (Baltimore Aircoil Co.)
Bryant Heating & Cooling Systems
Burnham by U.S. Boiler Co.
Carrier Heating & Air Conditioning
Evapco
Lennox
Trane
Weil-McLain
York
Fujitsu General
Comfortmaker Air Conditioning & Heating
Bosch
Daikin Air Conditioning
Lochinvar
Samsung
A O Smith
Bard HVAC
Johnson Controls
Carrier
Rheem
