Extra Edition

DDC Concepts And Strategies: An Introduction

October 5, 2003
Digital controls have been with us for years, yet those of us who do not regularly work with them are not always aware of their full capabilities.
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Energy Star Offers Tips For Keeping Warm, Saving Energy

October 5, 2003
With the chill of winter approaching, help your customers improve their homes' comfort, plus save energy and money, while also doing the right thing for the environment. Pass along these simple recommendations from the EPA's Energy Star program.
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Computer Simulation Reduces Costs For NASA's 'Lifeboat'

October 5, 2003
Lockheed Martin engineers are using computational fluid dynamics (CFD) software to ensure the effectiveness of the climate control system of the X-38, the emergency crew return vehicle for the International Space Station.
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Biggest Time Wasters For Salespeople

October 5, 2003
Salespeople have a tendency to do things that detract from their effective use of time. This article discusses the four most common time-wasters observed.
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Activated Carbon For HVAC Applications

October 5, 2003
To totally "clean" indoor air, gases and vapors must be removed. For HVAC applications, activated carbon is commonly used. Why and how it is applied are detailed.
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Winner Declared In Oldest Furnace Contest

September 29, 2003
Rosenthal Heating & Air Conditioning has declared a winner in the company’s “Oldest Furnace Contest.” The promotion offered a new high-efficiency furnace to the homeowner with the oldest functioning residential furnace or boiler in its tri-county area.
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Btu Buddy 6: Removing Water From A Wet Heat Pump System

September 19, 2003
In this edition of the Btu Buddy series, Bob is helping finish a job that a new construction crew installed. The installers left the gas line and liquid line on a heat pump turned up all weekend and it rained in the tubing. Bob must dry out the system.
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Preventing Leaks In A Copper Cooling Circuit

September 19, 2003
Typically, with factory coating, coils are immersed in a dip coating process prior to assembly. The problem is, even though they may be coated, the coils must ultimately be soldered into the copper cooling circuit. This results in sections of tubing being exposed to the atmosphere.
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Research Shows Taking Care Of Customers Is No. 1

September 19, 2003
Business research indicates that, when it comes to buyer loyalty, what keeps consumers coming back has less to do with price and marketing prowess than with how well the company treats its customers, especially when they have a question or complaint.
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Library Adds Chillers To Boilers

September 10, 2003
The city recently funded a major addition to the main building of the Toledo-Lucas County Library and renovation of the original building. Its advanced comfort system features rooftop air handlers and a high-efficiency, water-cooled screw chiller.
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2013 ACCA Conference & IE3 Expo

Photos from the 2013 ACCA Conference & IE3 Expo in Orlando, Fla.

Podcasts

Cade Clark, assistant vice president of government affairs for the Air-Conditioning, Heating & Refrigeration Institute (AHRI), gives a brief overview of the new version of the Shaheen-Portman bill, what AHRI thinks of the energy-efficiency legislation, and how it might affect the HVACR industry if it becomes law.
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