Our People

We rely on our people – their enthusiasm, their talent, their commitment – to maintain and build on the success of our business.

To contact one of the individual members of our team, please visit our Contact Us page for more information.

Charlie Hall


Donna Kalisz

Office Manager
Employee since 1982

Eric Gelinas

LEED AP & Sales Engineer
Employee since 2005

Tom Barowski

Project Manager
Employee since 1985

Marc Smith

Plumbing Sales & Project Mgr
Employee since 2004

Mark LaPorta

Parts Manager
Employee since 1977

Elliot Hall

Vice President & Sales Engineer

Dave Dussault

Sales Engineer
Employee since 2005

Paul Bewersdorf

Sales Engineer
Employee since 2012

Rob Launier

Project Manager
Employee since 1994

Linda McCarthy

Dispatch & Service Billing
Employee since 2008

Ed Armstrong

Service/Controls Manager
Employee since 2014

Philip Hall


Mike Haase

Sales Engineer
Employee since 2011

Rob Hansen

Sales Engineer
Employee since 2014

John St. Peter

Sheetmetal Project Mgr & Sales
Employee since 1995

Joe Keuenhoff

Safety & Dispatch
Employee since 1996

Carol Maynard

Controls Application Engineer
Employee since 2014

Contact Us

Location Address:
17 Progress Avenue
Nashua, NH 03062

(603) 882-2021