Providing Expert Mechanical Engineering Design Services with a Practical Approach to Technology

The mechanical department is comprised of a team of individuals with various levels of experience and expertise. Their depth of knowledge across an array of markets (including real estate, K-12 & higher education, municipal, emergency services, industrial, pharmaceutical, and manufacturing) can surely meet your next challenge.

Alex H

Alexander Hochhausl, P.E.

Practice Leader, HVAC

Mr. Hochhausl offers over 25 years of ground-up experience with a diverse background ranging from the design of equipment systems including automated industrial, pharmaceutical, and packaging equipment; facility HVAC and utility generation; and distribution systems.

Since joining H2M in 2014, Mr. Hochhausl has taken on the role of Mechanical Discipline Leader, growing and developing the staff in the Melville Headquarters, as well as staffing remote offices with mechanical engineers, including our New York City office. He is heavily involved in day to day project execution support and client support for over 20 school districts; as well as the design lead for special industrial projects. From high level studies and cost estimating, to field conditions assessments, trouble shooting, and support, every challenge is welcome and met with enthusiasm.

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  • Central Heating and Boiler plants
  • Chiller Plants
  • Compressed Air Systems
  • Cooling Towers
  • Dedicated Outdoor Air Systems
  • Energy Recovery Systems
  • Energy/Building Systems Management
  • Heating, Ventilation and Air-Conditioning
  • Kitchen Hood Exhaust Systems
  • Process Piping
  • Radiant Floor Heating
  • Steam and Hydronic Systems
  • Variable Refrigerant Flow (VRF) Systems
  • Vehicle Exhaust Systems


Do you know…

H2M’s mechanical engineering service covers the following markets listed below, please click “learn more” to view each market.


H2M designs bright, engaging spaces that foster collaboration, encourage discovery, and inspire learners of all ages.

public safety

H2M’s architects and engineers apply their experiences as emergency service personnel to envision how a facility will be used on a day-to-day basis.


With deep roots in all of our local communities, H2M designs creative, environmentally responsible projects tailored to each of our client’s needs.

public agency

Our goal is to be considered a trusted adviser to our clients, and extension of their own in-house staff.

real estate

From the due diligence to the grand opening, H2M helps make visions a reality.


Since its inception in 1933, H2M has been a leader in the field of water supply and wastewater treatment; once simply known as Sanitary Engineering.