ASM Mechanical Company

ASM Mechanical Company is a licensed and insured mechanical contractor located in Staten Island, NY. We service all of the 5 boroughs of NYC and most of middle to northern New Jersey.


We are a full-service mechanical contractor. We specialize in heating, ventilation, and air conditioning. We are also boiler specialists for hot-water and steam heating systems. We also specialize in radiant heating and snowmelting systems.

Case Study: Steam boiler replacement Brooklyn Ny


Steam boiler failed due to too much feed water. Existing boiler is grossly oversized.


Find the cause of the overfeeding of fresh water to steam boiler. Properly measure the radiation of home.


Installed a properly sized steam boiler with a full sized drop header. Replaced leaking wet return, which caused the overfeeding of fresh water. Installed master venting system, steam vaporstat and programmable digital water feeder. Customer had a 15% drop in fuel bills and was extremely happy.

ASM Mechanical Company

152 Watchogue Rd
Staten Island , NY 10314

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Paul Stessler
Phone 347-692-4777
Fax 718-698-6361