The purpose of a blast furnace is to chemically reduce and physically convert iron oxides into liquid iron called "hot metal". The blast furnace is a huge, steel stack lined with refractory brick, where iron ore, coke and limestone are dumped into the top, and preheated air is blown into the bottom. The hot blast … Read more

The compressor’s discharge temperature can tell the service technician what is going on inside a air conditioning system. The discharge is a reflection of the hottest part of a air conditioning system, and there are limits as to how hot a discharge temperature should be. This article will explore discharge temperatures and their limits. The … Read more

Common causes of an air conditioner tripping the breaker include:

1. Dirty air filter
2. Dirty outside unit
3. Issue with the circuit breaker
4. Motor has shorted
5. Compressor has trouble starting
6. Compressor is grounded

Electric furnaces can be installed for vertical, horizontal or down flow operation. When installed horizontally, the front door panel must be in the vertical position so that the motor bearings are in their required position. In vertical down flow installations, use only "L" or "T" shaped plenum with no openings or registers directly below furnace.

Before doing any maintenance on your noisy air conditioner, first start by turning your HVAC circuit breaker to the OFF position in your main CB panel and turn your air conditioner off with your thermostat.