Technical

Why Home Standby Generators Are Needed

An Automatic Backup Generator Is Reliable in the Face of Impossible-to-Predict Variable Weather Conditions

The home standby generator is designed to be reliable in the face of the impossible-to-predict variable weather conditions that often necessitate its use; yet, many homeowners do not utilize this appliance. These generators provide homeowners reliable backup power to keep them comfortable, safe, and secure during a power outage.


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A#1 Air Solves Air Conditioning Challenges for Gas Monkey Garage

Dallas HVAC, Electric, Plumbing, and Security Contractor Answers the Call

Gas Monkey Garage, owned and operated by Richard Rawlings and home to the Discovery Channel’s series Fast N Loud, has gone since conception without air conditioning. Rawlings contacted A#1 Air and requested air conditioning for Gas Monkey Garage, believing it to be a simple job. It turned out to be much more.


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Chimney Fundamentals: The Science of Venting Flue Gases - Part 2

How to Keep Your Customers Safe as Well as Comfortable

Gas appliances are divided into four venting categories based on vent operating pressure and whether they are condensing or non-condensing. Category I is negative pressure, non-condensing. Category II is negative pressure, condensing. Category III is positive pressure, non-condensing. Category IV is positive pressure, condensing.


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The HVAC Contractor’s Guide to Estimating Software

The Most Important Things to Consider to be Sure You’re Getting the Best Solution

One thing is certain in small- to mid-sized businesses today: the need for sales force automation is top of mind. Too many small- to mid-sized companies — HVAC contractors, specifically — are facing the challenge of implementing streamlined, sales-friendly software to aid customer relationships.


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Supercomputer That Uses Waste Heat to Warm Its Building Wins R&D 100 Award

HP Supercomputer at NREL Garners Top Honor

A supercomputer created by Hewlett-Packard (HP) and the U.S Department of Energy’s (DOE’s) National Renewable Energy Laboratory (NREL) that uses warm water to cool its servers, and then re-uses that water to heat its building, has been honored as one of the top technological innovations of the year by R&D Magazine.


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Energy Logging for HVAC: A Simpler Approach

New Solution Optimized for Logging in Commercial/Institutional Buildings and Industrial Plants

Over time, HVAC systems can become inefficient. Energy logging at the biggest loads can help identify wasted energy and potential savings. Most HVAC professionals understand that energy is wasted by inefficient systems or by operating non-critical loads at peak utility rate periods.


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Getting a BEMS Back on Track

The Importance of Conducting a BEMS Audit

It is an alarming fact that many building energy management systems (BEMS) have either never been serviced or have received little or no maintenance in years. To enable users of its systems to address this potentially costly problem, a comprehensive BEMS audit should be carried out.


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Electric Arc Welding Safety

Preventing Electrical Shock Should Be a Priority

While workers performing electric arc welding are subject to hazards related to the inhalation of toxic fumes, eye hazards, burns or fires, the most potentially perilous hazard they face is electrical shock, which can result in electrocution and other horrific physiological problems.


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Multimedia

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Image Galleries

2015 AHR Expo

Photos from the 2015 AHR Expo at McCormick Place in Chicago.

Posted: February 19, 2015

Podcasts

NEWSMakers: Michael Nark

Michael Nark, CEO of BuildingIQ, talks about the company’s software platform which works with existing building management systems in commercial buildings to adjust HVAC operations to increase cost savings and the future of the building automation and controls market. Posted on March 20.

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2015 National Plumbing & HVAC Estimator

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

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