LATEST NEWS

thumb Hurst offers online design solution
Hurst Boiler, an international manufacturer of a line of gas, oil, solid fuel, wood, waste, coal, biomass and hybrid fuel-fired steam and hot water boilers, has announced the launch of its user-friendly web-based CAD download solution....
Feb 21, 2015 5:23PM

thumb School retrofit puts first Canadian firm in the running for trip
A boiler plant upgrade for Martha Currie Elementary School in Surrey, BC, has put Rocky Point Engineering Ltd. in the winner's circle and in the running for a trip to Italy. The firm installed six new condensing IBC boilers at the school, which...
Feb 20, 2015 2:25PM

thumb ASHRAE 2016 conference to focus on design-build practices and residential systems
ASHRAE has announced a call for papers for its 2016 Winter Conference in Orlando, FL. Scheduled for January 23 to 27 at the Hilton Orlando, the event will offer new tracks and an updated focus."The 2016 ASHRAE Winter Conference will have a...
Feb 20, 2015 12:57PM

thumb Chicago event claims five new records
The 2015 AHR Expo claimed the title for the best-attended event ever held in Chicago. Preliminary figures for the HVAC/R show indicate that more than 61,000 total attendees, including 42,400 visitors, participated in the 2015 AHR Expo, January...
Feb 19, 2015 9:52AM

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Digital Edition

thumb Why don't my floors feel warm?
Radiant panel heating has matured from the darling of the hydronics industry in the 1990s, into a respected technology that can provide excellent comfort in a range of applications.

thumb A little math goes a long way
Hydronic snow and ice melting (SIM) systems have been around for decades, but some building owners are missing out on the benefits of these systems because they assume operating costs will be too high. Many are surprised to find that the annual...

thumb Pressure and high school chemistry
The residential expansion tank is one of the most important and least understood components of a properly functioning hydronic heating system. We speak about it indirectly and by now everyone in the industry can repeat the following in their...

thumb Electric Motors: Operation and Troubleshooting
Imagine a world without the electric motor: No elevators, no DVD players, no computer hard drive, no electric clocks, no Toyota Prius', no washing machines or dryers, no conveyor belts at the supermarket checkout stand, no manufacturing plants...

thumb Tips for restaurant hot water systems
Today restaurant designers or engineers must use innovative strategies that will deliver the service of hot water as efficiently as possible, while meeting the increasingly challenging regulatory codes and user expectations. This is...

thumb Ones and zeros
Since this is the introductory Ones and Zeros article, it is best to go back to when the controls world started to get a little more interesting with the introduction of the electromechanical switch, or the relay as it is better known. It is a...

thumb Ice Machine Basics
There are many choices of commercial ice machines on the market today. While you might think that the technology for making ice has changed little over the years, this is actually not the case. Technology has advanced and so have commercial ice...

thumb Heat loss/heat gain considerations
When I joined ASHRAE in 1990, I did not imagine that 25 years later HVAC equipment would be selected and installed in the absence of a heat loss and gain calculation. It is like bad reruns on late night television; the Btu guessing continues...

thumb Exploring the agricultural market
Poultry and livestock products are big business. Canada’s red meat industry had annual shipments worth $16.3 billion in 2013, with poultry and egg products contributing $4.0 billion in the same year.1,2 In 2011, Canada had 205 730...

thumb Technology pumps out savings
Variable speed pumping has brought new levels of energy efficiency to the HVAC industry. While many larger buildings utilize system pumps operating on variable frequency drives (VFDs) with the guidance of pressure differential sensors, pumps...

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