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Retrofitting

Desiccant Dehumidification

Large facilities with a high latent load—such as grocery stores, ice rinks, and natatoriums—can benefit from desiccant dehumidification. Instead of extracting moisture out of the air at the inefficient cooling coils, a dedicated system is […]
Retrofitting

Air-to-Air Thermal Recovery Units

Several factors combine to make thermal recovery an important aspect of any HVAC system or retrofit: increased outside-air requirements and increased system efficiency and building efficiency standards, among other considerations. The outside-air requirements demand 20 […]
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Retrofitting

Gas-Driven Chillers

An economical and efficient system for locations with natural gas available is a gas-driven chiller. Depending on the service, the payback versus an older electric chiller is from 1 to 4 years. This is quite […]
Retrofitting

A Boiler Maintenance Checklist

Large boilers, for sizable buildings in northern latitudes, require a much more extensive level of maintenance than small utility boilers that almost every facility has, be it in a warm or cold climate. A few […]
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Retrofitting

Electrical Overview

The electrical power distribution system is mostly forgotten as a way to reduce energy consumption in a facility. Engineering staff are familiar with the benefits of high-efficiency motors and energy-saving lamps, but few dare to […]