In addition to installing appropriately sized and configured HVAC equipment regular maintenance is key to effective operation especially in older buildings Photo courtesy of Bob Olson.

In addition to installing appropriately sized and configured HVAC equipment, regular maintenance is key to effective operation, especially in older buildings.

Old school HVAC

Modernizing the heating and cooling of a legacy school building poses a number of challenges.

For four years, I was the heating and air conditioning technician at a public high school in a suburb of Chicago. The building was built in stages from 1914 to 1968, before air conditioning was commonplace and air quality was a concern. It presented many challenges for heating and cooling due to the building’s control system, layout, humidity control, and poor insulation.

Keeping that example in mind, here are some of the HVAC issues to consider when working on HVAC systems in e

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