HVAC & plumbing systems for high-performance single-family homes and commercial buildings.

“Lacey Engineering has been incredibly helpful as we navigate the high performance mechanical needs of our residential projects. Ryan enjoys taking on the complexity of energy-efficient residential design…”

H. Sloane Mayor, AIA

MA-KE Architects, PC

Hanover, NH

“Ryan performed a mechanical systems analysis for the Unitarian Universalist Church in Concord, New Hampshire. We were very pleased with all aspects of Ryan's work. He was very responsive, worked within our budget, made practical recommendations and…“

Franz Vail 

Building Maintenance Committee

Unitarian Universalist Church

Concord, NH

“Ryan Lacey recently completed an energy efficiency study for us here at the Hanover Consumer Cooperative Society. He was tasked with performing an evaluation of our Lebanon, NH location. It is a large supermarket with aging infrastructure that dates back to its construction in 1997. Ryan evaluated our HVAC systems as well as our refrigeration systems. I found him to be very thorough and knowledgeable…”

Christopher Cobb

Facilities Manager

Hanover Consumer Cooperative Society

Lebanon, NH

“After repeatedly coming to a stalemate on what to do, we approached Ryan at Lacey Engineering to perform a study of an aging, loud, and very disruptive outdoor chiller at our condominium complex.

Ryan was professional, responsive, thorough, and creative throughout…”

Audrey Drogseth

HOA President - Bryant Rock Condominiums

Newmarket, NH