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limiting water damage

Taking Action When Frozen Pipes Burst

February 6, 2012
By Brian Miller
No Comments
It’s a common winter woe affecting thousands of building owners and managers each year: frozen water pipes that burst. To minimize water damage caused by a frozen pipe burst, two critical steps must be taken. First, act fast to assess the situation, and then control the environment within the building.


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Btu Buddy 106 Fig 1

Btu Buddy 106: Heat Pump Service Call - Part 1

January 23, 2012
By Bill Johnson
No Comments
Bob and Tim have arrived at a home where the owner is complaining that the heat pump is not heating properly. It has been getting cold in the home during the late night and early morning hours. It’s really cold outside, about 10°F at night and 25° during the day.


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Troubleshooting-Jan 2012-Fig 1

Troubleshooting Challenge: An Older Heat Pump With a Problem in Cool Night/Warm Day Weather

January 9, 2012
By Jim Johnson
No Comments
To prepare you for this month’s troubleshooting situation … you’re not the first technician to be called, nor are you the second technician. You’re the third one that’s been called in to solve this customer’s problem, which involves a heat pump that serves a residential building in a mild Southwest desert climate.


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Btu Buddy 105-Fig 2

Btu Buddy 105: Furnace Vent Problem

December 19, 2011
By Bill Johnson
No Comments
Tim and Bob have been sent on a service call to a new customer’s house. The homeowner has an unusual complaint. She said that she thinks she has a furnace problem because there is mold in her house. They don’t know what this can be all about.


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Can You Reduce Chiller Maintenance?

December 5, 2011
By Mike Taitano
No Comments
I simply don’t know of any way to reduce chiller maintenance (recommended scheduled maintenance), below industry standards and manufacturer recommendations, without reducing the system’s long-term efficiency and working life.


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Btu Buddy 104-Fig 3

Btu Buddy 104: Bob and Tim Continue Heat Pump Repairs

November 21, 2011
By Bill Johnson
No Comments
Bob and Tim have arrived back at the apartment building where they have been working for several days inspecting and making necessary repairs to the building’s split-system heat pumps. Bob said, “Check the list for another unit that seemed to have a problem and let’s take a closer look at it.”


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Troubleshooting-Nov2011-Fig 1A

Troubleshooting Challenge: A Gas Furnace That Won’t Fire

November 7, 2011
By Jim Johnson
No Comments
In this situation we have a customer who has called for service on their gas furnace, and the description of the problem is “no heat at all.” The customer also reports that this is the first time they’ve had to call for service on their 10-year-old unit.


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Btu Buddy 103 Fig. 1

Btu Buddy 103: Bob and Tim Begin Heat Pump Repairs

October 24, 2011
By Bill Johnson
One Comment
Bob and Tim have arrived at the apartment house that they have been working at for the last several days. They’ve gone to the roof where the outdoor units are located. There are 60 heat pumps that use R-22 as the refrigerant. They start with Unit No. 2.


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Mass and Efficiency vs Particle Size-Baffle

Kitchen Ventilation: Baffled by Filters?

October 10, 2011
By Brian Rivet
No Comments
It is important to understand grease extraction and new options in capturing grease particulate efficiently near the source. A commonly overlooked byproduct of many cooking processes is grease — overlooked, that is, until it causes problems at a restaurant facility.


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Btu Buddy 102-Fig 1

Btu Buddy 102: Continuing the Inspection of Multiple Split-System Heat Pumps

September 19, 2011
By Bill Johnson
No Comments
Bob and Tim are on the second day of an inspection of an apartment house building that has multiple split-system heat pumps. They have inspected all 60 outdoor units on the roof. They are now going to inspect the indoor units.


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