Bob and Tim were on their way to a no heat call for a gas furnace. Tim asked, “What do you think we need to look out for on this call?” Bob said, “It could be any number of things. We will start by talking to the homeowner and see what she knows.”
This troubleshooting situation centers around an older 3-ton split comfort cooling system, and the customer is calling because their home is “just not comfortable.” The homeowner also tells the dispatcher that while the unit is operating and air is coming out of the registers, the temperature in the house is too warm.
With the heating season in full force, it is a good time to review best practices in heating troubleshooting. This article covers boilers. The following information is a summarized section from HVAC Troubleshooting, a guide book published by BSRIA, a test, instruments, research, and consultancy organization headquartered in the UK.
Bob and Tim were on their way to a service call on a heat pump. The homeowners are complaining about noise at the outdoor unit. When Bob and Tim arrived, the homeowners explained that the heat pump for upstairs is beside the house in a wooded area. It is under their upstairs bedroom window and it became loud last night.
Trainers Also Available to Travel to Conduct In-Depth Mold Training and Certification Seminar
February 2, 2015
The Environmental Hygienists Association (E.H.A.) announced that it is now providing online certified mold inspector and certified mold remediator training and certification for HVAC contractors, plumbers, and other contractors so that they can effectively find and eliminate toxic mold growth in customers’ homes and workplaces.
Bob and Tim were on their way to a service call where the customer is complaining about a high power bill. She said the heat pump that they use for their heat is running all the time and their power bill is really high.
In this troubleshooting situation you’ve been called to a restaurant to check an ice machine that, according to the customer, “isn’t working like it should.” You find that you’re dealing with a 240-volt, single-phase machine that has a remote condenser, and it also employs a small air compressor to provide air to assist in freeing the cubes.
Legislation Prompts CDA to Revisit Soldering Techniques for Making Proper Joints
December 8, 2014
Concerns related to soldering copper tube and the new no-lead copper alloys led the Copper Development Association (CDA) to conduct laboratory research and testing out in the field. The CDA found that, in many cases, those working with the new no-lead copper alloys were using the incorrect soldering procedure.
Bob and Tim were on their way to do routine annual service on a customer’s gas furnace and humidifier. Tim asked, “What are the things that we should look for that may cause problems on a gas furnace?”