Technical

How a Good Troubleshooter Got Results

November 19, 2007
At first, the call sounded like one we hear all the time - not enough heat in a room that had been added onto a house. The service guy told me the radiators were big enough, and that the house had an old gravity hot water system. He asked if I’d stop by to look at it.
Read More

IP-Based Control for Mechanical and Electrical Systems in an Enterprise Environment

November 5, 2007
Facility managers of the future will be astonished when they discover that building systems were not always integrated into a single enterprise-wide information technology network. Yes, the “old days” of operating a building will be compared to writing letters instead of text messaging. This future scenario is a lot closer than it seems.
Read More

Selecting and Applying Buck-Boost Transformers

October 22, 2007
Some applications utilize an input or supply voltage of 277-1-60. While some components are available for direct application of 277-1-60 power, most manufacturers find that the use of a buck-boost transformer to lower the voltage is more cost effective.
Read More

Indoor Air Quality: Can Your Schools Pass the Test?

October 8, 2007
Ask many school administrators about the air quality inside their buildings, and the frank answer is liable to be “Well, we don’t know.” They should. School air quality and student performance go together as naturally as breathing in and breathing out.
Read More

The Convergence of BAS and Information Technology

September 24, 2007
Building automation systems (BAS) have made great strides toward embracing connectivity and interoperability standards. This has given building owners more freedom to choose among manufacturers for products and service support. Even greater benefits await an organization whose BAS is merged with information technology.
Read More

Proactive vs. Reactive HVAC Replacement

September 10, 2007
In this article, the author describes a proactive HVAC replacement program instituted at Limited Brands Inc. that is all about doing the right thing economically and effectively.
Read More

OSHA Tips on Lockout/Tagout

August 20, 2007
This article explains the Occupational Safety and Health Administration (OSHA) standard for control of hazardous energy sources, why this is important, and what employers must do to protect their employees.
Read More

Estimating Motor Efficiency in the Field

August 6, 2007
Some utility companies and public agencies have rebate programs in place to encourage customers to upgrade their existing standard-efficiency motors to NEMA Premium™ efficiency motors. Yet, to accurately estimate energy savings and determine annual dollar savings requires knowing the efficiency of the existing motor.
Read More

Energy Efficiency: A Common Sense Solution

July 23, 2007
Many customers want high-efficiency products; others should consider it. And why not? Energy efficiency makes economic sense. Regularly tied to reducing emissions or green building, you don’t have to believe in global warming or going green to be an energy efficiency advocate. Energy efficiency saves money, keeping more dollars in the pockets of your customers.
Read More

Understanding Hot Gas Bypass

July 9, 2007
Hot gas bypass is recommended when the load on an evaporator varies and operation of the air conditioning system is desired at lower than design conditions. This article covers standard (external) hot gas bypass.
Read More

Multimedia

Videos

Image Galleries

Mini Split Installation

Twin Cities contractor Aabott Ferraro helped retrofit an older St. Paul home.

Podcasts

NEWSMakers: Jeff Nusz

Jeff Nusz, president, Reitmeier HVAC Services, Tualatin, Oregon, joins the program to discuss how he modernized his website and gained new clients and more money because of it. We’ll go through the process of the change and much more.  Posted on Aug. 1.

More Podcasts

ACHRNEWS

NEWS 07-28-14 cover

2014 July 28

Check out the weekly edition of The NEWS today!

Table Of Contents Subscribe

R-22 PHASEOUT POLL

Some in the industry are calling for the EPA to halt production of R-22 as of 2015. What do you think?
View Results Poll Archive

HVACR INDUSTRY STORE

plumbing-hvac.gif
2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

More Products

Clear Seas Research

 

Clear Seas ResearchWith access to over one million professionals and more than 60 industry-specific publications, Clear Seas Research offers relevant insights from those who know your industry best. Let us customize a market research solution that exceeds your marketing goals.

DON'T MISS A THING

Magazine image
 
Register today for complete access to ACHRNews.com. Get full access to the latest features, Extra Edition, and more.

STAY CONNECTED

facebook icontwitter iconyoutube iconLinkedIn i con