HVAC Contracting

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During maintenance of steam systems, the insulation that covers pipes, valves, and fittings is often damaged or removed and not replaced. Pipes, valves, and fittings that are not insulated can be safety hazards and sources of heat loss.

In this month’s troubleshooting situation, you’re responding to a customer’s complaint that his furnace isn’t heating properly. The equipment is an 80 percent AFUE, natural gas, induced draft unit that employs a hot surface ignition system.

The U.S. Department of Energy (DOE) announced follow-on funding for the two Buildings topic winners of the Catalyst Energy Innovation Prize. The companies, Kinetic Buildings and Livable Analytics, are developing software to diagnose faulty building HVAC operation and to better understand building occupant satisfaction.

The Centers for Disease Control and Prevention (CDC) report in early June about the increased number of Legionnaires’ disease cases and the need for building water management certainly caught the attention of the media.

A customer was explaining what was going on with his air conditioning system. His old system had stopped working and he was told that it needed to be replaced. Money was tight and a cousin had a system removed from a rental property. So they replaced the original 3-ton package unit with a 4-ton package unit.