Commercial Boilers



Roof Top Units



Fire Tube Boilers


Commercial

Heating / HVAC

M.J. FAHY & SONS, INC. will design, layout, install, and repair heating and air conditioning systems for warehouse, manufacturing, commercial, and institutional applications.

Steam

We are experienced steam fitters in the following areas:
  • Boiler replacements - high and low pressure
  • Steam process piping
  • Condensate piping systems
  • Boiler feed systems
  • Steam trap repairs, replacements, and surveys
  • Vacuum/condensate systems

Hot Water

Contact the professionals here at M.J. FAHY & SONS, INC. to handle all your hot water applications.
  • New system design and installation
  • Modular boiler systems design and installation
  • Boiler replacements
  • Radiant space heating and snow melting equipment
  • Outdoor reset and boiler staging controls
  • Energy Management Controls

Hot Air / Air Conditioning

Whether it is a warm or cool air system, we have technicians to expertly handle the job.
  • Furnace replacements
  • Dehumidification
  • Make-up air units
  • Gas-fired roof top replacements and new installations
  • Split system air conditioning systems
  • Air conditioning service and repair
  • Combustion make-up air
  • Ventilation

Suspended Gas-Fired Equipment

We have extensive experience installing and repairing all types of heating systems. Our experts can evaluate your system needs for optimum cost efficiency.
  • Gas-fired propeller unit heaters
  • High efficiency infra-red gas-fired heating equipment for warehouses and manufacturing facilities

Burner Replacements & Upgrades

Let us examine your current heating method. Replacing old, inefficient equipment can reduce operating expenses.
  • Oil burners
  • Gas burners
  • Gas/oil combination burners

Trane

American Standard

Burnham

Buderus

Fujitsu

H.B. Smith