HVAC Services

Installs/Replacements - Sales & Maintenance Contracts

We are proud of our reputation over 50 years as a commercial contractor in the MD,DC, VA area. Specializing in restaurants, refrigerated warehouses, rooftop replacements & site work, our fields include:

  • Refrigeration
  • Air conditioning
  • Heating – electric, natural gas, propane & oil
  • Ice machines
  • Pumps
  • Water Cooling Towers
  • Chillers
  • Boilers
  • Computer server room units
  • Piping - gas pipe, refrigerant pipe, water pipe & conduit
  • Air compressor
  • Duct & metal fabrication
  • Exhaust fans & hoods
  • Lighting - indoors & outdoors
  • Concrete pads
  • Controls & electrical work
  • Demolition
  • Water heaters

Service Support

The following is service support delivered by our technicians:

  • Start up services
  • Warranty services
  • Maintenance agreements
  • Technical services
  • Retrofit and renovation
  • Cooling tower renovations
  • Control services
  • Boiler services
  • Mechanical contracts
  • Demolition
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Preventive Maintenance for Your Commercial Facility

To keep your building's mechanical systems operating at peak efficiency, They must be properly maintained. Maintenance contracts help eliminate surprise repair bills, extend the life of heating and cooling systems, and conserve energy by ensuring that mechanical systems are running as efficiently as possible. The reduced owning and operating costs translate directly to your bottom line, the savings can help fund additional capital improvements as your business matures over time.

Skilled technicians at United Service perform annual maintenance checks according to a predetermined schedule. During these maintenance checks, our professional technicians test, clean, adjust, calibrate, balance, evaluate and analyze your systems. Regular testing and prompt repair of worn or faulty parts gives building owners and operators peace of mind, knowing their mechanical systems will operate properly and efficiently, day in and day out. Scheduled maintenance helps improve the environmental conditions of your facility and keeps your occupants comfortable.

Brands We Service and Install

We service and install all brands of refrigeration equipment, air conditioning, heating, ice machines, air compressors and hot water heaters. Some of the brands include:

  • AAON
  • American Standard
  • Bally
  • Beverage-Air
  • Bristol
  • Bryant
  • Carlisle
  • Carrier
  • Cold Zone
  • Continental
  • Copeland
  • Dayton
  • Delfield
  • Greenheck
  • Harford Duracool
  • Hoshizaki
  • Ice-O-Matic
  • Jackson Church
  • Kairak
  • Kolpak
  • Lennox
  • Liebert
  • Manitowoc
  • McCall
  • Modine
  • Payne
  • Peralick
  • Randall
  • Reznor
  • Rheem
  • Ruud
  • Scotsman
  • Snyder General
  • Tecumseh
  • Trane
  • Traulsen
  • Trenton
  • True
  • Viking
  • York