The Otto Company
17 Beaver Brook Road
Danbury, CT 06810


The Otto Company is a full service mechanical contractor providing plumbing, heating and cooling services to Southwestern Connecticut for over 75 years. We can serve as a fully bonded prime contractor or subcontractor on new construction or renovation projects. We also offer design/build services as well as preventative maintenance, troubleshooting, repairs, replacements and new installation to fulfill all of your plumbing and HVAC needs. Feel free to contact us for more information on the services we provide.

Some of our other services include:

  • Certified Refrigerant Recovery/Recycling
  • Refrigerant Conversions
  • Oil to Gas Conversions
  • LP and Natural Gas/Testing
  • Coil Cleaning and Replacement
  • Control Upgrades
  • Retrofits
  • Design/Build Services
  • Energy Management
  • Sheet Metal Fabrication
  • Service Contract Agreements

Troubleshooting, Repairs, Replacements and New Installation on: 

  • Rooftop Units
  • Split Systems
  • Boilers
  • Chillers
  • Cooling Towers
  • Pumps
  • Hot Water Circulators
  • Air Handling Equipment
  • Clean Room Equipment
  • Evaporative Condensers
  • Exhaust Fans
  • Make Up Air Systems


Troubleshooting, Repairs, Replacements and New Installation on:

  • Piping, Fittings & Valves
  • Water Heaters (Tankless & Conventional)
  • Fixtures including:

     Sinks, Toilets, Urinals & Faucets

  • Backflow Devices
  • Gas Piping
  • Process Piping
  • Hot Water Circulators
  • Roof and Floor Drains
  • Grease Traps
  • Pumps


other services

heating & cooling

Providing commercial Plumbing & hvac services since 1935