Energy Efficiency Solutions For Industrial Buildings - Cambridge Engineering


Industrial facilities have a strong need for ventilation and exhaust replenishment to replace existing building air with clean, fresh air. A make-up air unit is designed to “make up” air in your interior industrial space when you have exhausted all that is available or the quality is poor. This type of industrial ventilation solution pulls in fresh, tempered air from outside your building to replace existing air that cannot be recirculated. Make-up air is especially beneficial in buildings where environmental conditions warrant a greater need for ventilation not only to improve the quality of air within the building, but protect the health of those inside.

Leading facility owners and operators are building (and retrofitting) their facilities into models of efficiency and sustainability. Industrial facilities are investments in efficient technologies that span all facility systems including lighting, facility envelope, and HVAC. While most facility owners still pursue single technology improvements, market leaders bundle together energy saving technologies in a more comprehensive approach to get deeper savings and greater lifecycle value.


Cambridge Engineering designs, manufactures and installs world-class commercial and industrial heating solutions and ventilation systems across North America. We are a team full of problem solvers who are easy to do business with, ready to customize the perfect solution for your facility.


Whereas warehouses and distribution facilities can achieve their HVAC needs with only our S-Series direct-fired space heaters (which utilize energy efficient HTHV technology), industrial facilities often need ventilation and exhaust replenishment to remove contaminants and other pollutants from the space. In those applications, the solution will require a larger number of Cambridge M-Series make-up air units (MAU).

Our S-Series and SA-Series lines of HTHV products range in BTU capacity from 250,000 to 3,200,000 and are the most energy efficient manufacturing facility and factory heating solutions available. The use of 100% outside air from these units also provides the ability to meet the ventilation needs of ASRAE 62.1 during occupied hours or straight ventilation during the non-heating seasons.

Our M-Series line of MAUs provide the necessary exhaust replenishment, additional ventilation or tempered air cooling requirements that some manufacturing facilities may need to meet IAQ compliance standard or employee comfort requirements.


Air conditioners have not been a good option for cooling commercial and industrial premises, as capital and operating costs of these units are often extremely prohibitive. This is particularly true when cooling large spaces with high ceilings, which pose significant problems for design and for installation.

Commercial and industrial evaporative cooling from our new ESC-Series and E-Series enables firms to gain cooling benefits without adverse effects on the environment. It has become imperative for firms to adopt sustainable practices for their production and HVAC operations, to mitigate risks of environmental pollution.

The E-Series will be a direct evaporative only cooling unit with 10 different models that range from 10,000 CFM to 80,000 CFM. The new semi-custom ESC-Series will utilize indirect, direct or two stage evaporative cooling with options to add Energy Recovery, Gas Heating, Hot Water Heating, or DC cooling. We offer 14 different models that range from 2,450 CFM to 58,800 CFM. Both lines are available as a roof top or a pad mount installation, and have several filter options, discharge options, voltage options, Mixing Box options as well as many other options to meet customers’ needs.

Want to learn more about how a Cambridge unit can fit to a specific project or facility?


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  • Waste Water Treatment Plants
  • Steel Mills
  • Steel Fabricators
  • Metal Building Fabricators
  • Auto Assembly
  • Aerospace


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