Extra Edition

Ammonia: It Smells Like A Safety Challenge

October 1, 2004
For nearly two centuries ammonia has been used as a refrigerant. Its drawback is that in quantities much larger than a "sniff" it is poisonous. With proper precautions, however, the benefits of ammonia are compelling.
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Hot Topics, Cool Solutions 8: Staying Focused, And More

October 1, 2004
I come to work with dozens and dozens of things on my to-do list. And then life hits me as I enter the door and my to-do list is forgotten. What should I do to stay focused?
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Understanding Heat Pump Sequence Of Operation

October 1, 2004
In order to service and troubleshoot an air-source heat pump system, a service technician must understand the unit's sequence of operation. Where the system varies from its normal sequence is a major clue to any problems.
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HUD Web Tool Helps Improve Home Energy Efficiency

September 17, 2004
The U.S. Department of Housing and Urban Development (HUD) recently launched the Energy Efficient Rehab Advisor, a free Web-based tool designed to help homeowners, contractors, architects, facility managers, and others to improve energy efficiency in existing homes during renovation and remodeling.
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Btu Buddy 18: Compressor With Refrigerant Flooding Back

September 17, 2004
In this edition of the Btu Buddy series, Bob works on a system that is not cooling properly and finds that refrigerant is flooding back to the compressor. Btu Buddy aids in pinpointing and curing the problem.
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How To Get Feedback That Benefits Your Business

September 17, 2004
The best way to evaluate how your business is doing is to gather feedback from your customers and employees. Here are some pointers that will help you get the feedback you need to improve your business.
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New Honeywell Thermostat Designed For Ease Of Use

September 16, 2004
Honeywell has introduced the FocusPROâ„¢ 5000, a non-programmable, digital thermostat designed to provide maximum ease of use for contractors and homeowners, says the company.
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Maintenance Of Residential Split System Air Conditioners

September 3, 2004
This article provides some maintenance recommendations for technicians for their annual air conditioning system inspections.
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Filter Driers: The First Line Of System Protection

September 3, 2004
Filter driers on air conditioning or refrigeration systems are exactly what their name implies - front-line protection designed to filter out contaminants and dry the refrigerant to avoid ice formation and oil degradation. But all filter driers are not created equal.
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Hot Topics, Cool Solutions 7: Delegation, And More

September 3, 2004
I delegate a project and it ends up back in my lap. It's frustrating because I think they don't care or they don't understand. What do I need to do?
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