HVAC Breaking News

April 20, 2015: New Zero-Emission Transport Refrigeration Technology Begins Trials

Liquid Nitrogen-Powered Technology Is an Alternative to Diesel Refrigeration Units

A new zero-emission refrigeration system for transportation applications, developed in the United Kingdom, which delivers both power and cooling from liquid nitrogen, has begun on-vehicle testing. Dearman said the system, which features the company’s liquid nitrogen-powered engine, has already produced promising results.

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April 20, 2015: Building Commissioning Services to Reach Nearly $6.6 Billion in Annual Revenue by 2024

Monitoring-Based Commissioning Expected to Appear in Many New Buildings over the Next 10 Years

Building commissioning services originated in the United States and United Kingdom in the 1960s and 1970s as a quality assurance measure for new buildings. In recent years commissioning has experienced rapid growth through the spread of green building certification programs, notes Navigant Research.

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April 17, 2015: IAPMO Releases 2015 Uniform Mechanical Code

Changes Made to Several Chapters

The International Association of Plumbing and Mechanical Officials (IAPMO®) has released the hardcopy and digital versions of its 2015 edition of the Uniform Mechanical Code (UMC®). Both the hardcopy and eBook version can be purchased and downloaded via the IAPMO web store at www.iapmo.org

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April 17, 2015: House of Representatives Passes Bill to Repeal Estate Tax

White House Has Threatened a Veto

The U.S. House of Representatives voted to permanently repeal the estate tax, also known as the "death tax," passing H.R. 1105, the Death Tax Repeal Act of 2015, by a margin of 240-179. The bill, authored by Rep. Kevin Brady (R-Texas), would repeal the estate tax and the generation-skipping transfer (GST) tax for all future transfers.

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April 16, 2015: Software Can Now Simulate Performance of Small-Diameter Copper Tube

Customizable Software Tool Allows Designers to Simulate and Optimize the Performance of Heat Exchangers

The International Copper Association (ICA) and Optimized Thermal Systems Inc. (OTS) announced that newly developed MicroGroove™ small-diameter copper tube correlations will be implemented in CoilDesigner® software, a proprietary heat exchanger simulation and design optimization tool.

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April 16, 2015: ZigBee Alliance and Thread Group Collaborate on Smart Home Connectivity

Agreement Opens Door for ZigBee Cluster Library Application Protocol to Run on Thread Networks

The ZigBee Alliance and the Thread Group announced they are collaborating to enable the ZigBee Cluster Library to run over Thread networks. By working together, ZigBee and Thread can jointly provide an interoperable solution to help streamline product development and improve the consumer’s experience in the connected home.

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2015 HARDI Fly-In

Highlights from HARDI's Congressional Fly-In in Washington, D.C.


NEWSMakers: Clint Schreck

Clint Schreck, general manager, Columbus Worthington Air, Columbus, Ohio, discusses winning Angie’s List Super Service Award, how to handle online reviews, and much more.

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2015 May 25

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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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