Success Stories

Center Line, MI

Energy savings, lowest total HVAC cost and heating with 100% outside air all make for a satisfied customer of the Firehouse in Center Line, MI.

Mechanical Contractor
Jackson, MO

A southeastern Missouri mechanical contractor added a Cambridge SA Series HVHT heater to their facility increasing comfort for their employees with added warmth and improved indoor air quality.

St. Louis, MO

This warehouse at Langendorf Supply Company was the site for a Dept. of Energy study that showed 20% energy savings over the standard unit heaters previously run in the building.

Indoor Sports Facility
Detroit, MI

Heating an indoor sports facility with Cambridge HTHV heaters means improved indoor air quality, destratification and ultra high efficiency all at the lowest total installed cost.

Indoor Sports Arena Long Island, NY

Chris Catan from Catan Equipment Sales discusses the benefits of using Cambridge equipment at All Star Arena.


Win More Projects with Lower Installation Costs

A mechanical contractor's view on Cambridge heaters including lowest installation costs, heating with 100% outside air and the wide range of building sizes suited to Cambridge heaters.

Easy Installation and Great ROI

Tony Contrera says, "We've had testimonial after testimonial stating that Cambridge equipment keeps them comfortable and gives great energy savings."


AHR Expo 2015
Exhibit Highlights

Cambridge Engineering exhibit highlighting M-Series Makeup Air heaters and SA-Series HTHV space heaters and the release of a DOE study that reported a 20% energy savings using the HTHV heaters compared to standard unit heaters.

AHR Expo 2015
Breakfast Meeting

Cambridge Engineering Manufacturer's Representatives breakfast meeting

Construct 2015
Booth Setup

Cambridge Engineering sets up for Construct 2015 trade show at America's Center in St. Louis, MO.

Service Procedures


Procedure for replacing an igniter on a Cambridge S-Series direct gas-fired heater.

Damper Motor Replacement

Procedure for replacing a damper motor on a Cambridge S-Series direct gas-fired heater.

Start Up Procedure
S-Series with EDL

Start up procedure for an S-Series direct gas-fired heater with EDL controls.

Flame Guard Safety Relay (FSR) Replacement

Procedure for replacing a flame guard safety relay on a direct gas-fired heater.

Flame Rod

Procedure for replacing a flame rod on a Cambridge S-Series direct gas-fired heater.

PC Board

Procedure for replacing a PC board on a Cambridge S-Series direct gas-fired heater.

Start Up Procedure
M-Series with APA

Start Up Procedure for an M-Series heater with automatic profile adjustment.

RCS-S to TSS Conversion

Proper conversion from an Remote Control Security - System to a Temperature Setback System

EDSM Control (Start Up)



TSS Temperature Setback System

Understand the functionality and options available on the Cambridge TSS (Temperature Setback System).


High Efficiency SA-Series Heater

Cambridge Engineering Introduces the High Efficiency SA-Series - The Unit Heater Beater™