The next time you're faced with replacing an old steam boiler that was attached to a two-pipe air vent system, try the old-timer's trick. Remember that the replacement boiler is smaller in size and holds less water, thus requiring a boiler feed tank that acts as a reservoir for the new boiler.
This article is part one of a three-part series on inspecting and servicing gas appliances. This part covers infiltration air and the ventilation air test, equipment efficiency, venting, and the three-part testing procedure for checking a heat exchanger.
In this edition of the Btu Buddy series, Bob goes on a call where the customer is complaining about their heat pump blowing cold air. Bob explains the differences between a heat pump and furnace, and makes a couple adjustments to the system.
Concern about indoor air quality (IAQ) is driving customers to have their IAQ situation assessed and, if necessary, repaired. IAQ has generated so much awareness that you may want to consider offering IAQ assessments to all of your customers as an extra service.