Tubing depth matters!October 1, 2015 John Siegenthaler
It is time to find better ways of ensuring that tubing and reinforcing mesh end up near the mid-height of the slab.
In a field of its ownOctober 1, 2015 Robert Bean
Standard practice for evaluating residential indoor air quality concerns.
What Is going on in the world of Supermarket Refrigeration?October 1, 2015 Dave Demma
It comes as no surprise to anyone that supermarkets are under pressure to embrace green. As applied to the refrigeration portion of a supermarket this translates into: reduce carbon footprint, lower Global Warming Potential (GWP), reduce refrigerant charge, reduce electrical…
Cross Connection Control Bad And Ugly photo contest wrap upOctober 1, 2015 by hpac
In the world of potable water protection and backflow prevention, a certified specialist tester or inspector will find cross connections that are controlled, and in too many cases, a bad cross connection with no control. In a bid to address…
Understanding and measuring energy transferOctober 1, 2015 Gilles Legault
It is crucial to calculate the load when designing a heating system.
Quality, clean and timelessOctober 1, 2015 Beth McKay
Innovation is the hallmark of today’s bathrooms.
Myths & misconceptionsOctober 1, 2015 Tim Keane
Understanding the true nature of outbreaks associated with building potable water systems.
Plumber shares his good fortuneOctober 1, 2015 by hpac
Hospital redevelopment gets $25-million shot in the arm from HVAC entrepreneur.
How to manage payment dataOctober 1, 2015 Jacob Stoller
A look at the widening scope of online payment services provided by financial institutions.
Your new drug planAugust 1, 2015 Joe Terrett
Medicinal weed is moving into the mainstream and employers must have a strategy in place to manage the inevitable issues.
The case for residential sprinkler systemsAugust 1, 2015 Steve Goldie
There is a dual benefit to adding fire protection system installation to your service offering.
SimplificationAugust 1, 2015 John Siegenthaler
Systems do not have to be complex to be sophisticated.
How To Deal With Ramped Up LoadsAugust 1, 2015 by hpac
Jevons’ paradox is alive and well in high performance homes.
Tips For Successful InstallationsAugust 1, 2015 Lance MacNevin
How to integrate SIM into almost any outdoor surface.
A Shot In The ArmAugust 1, 2015 Mark Evans
Point-of-use energy consumption measurement removes bias against hydronic systems.
What Are Your Options?August 1, 2015 Mike Miller
Knowledge is power when it comes to distribution piping design.
Hello Boiler, It’s Wi-Fi CallingAugust 1, 2015 Curtis Bennett
A wireless future for the mechanical industry.
I Can’t See Any AirAugust 1, 2015 John Siegenthaler
But it is likely still there…
Accuracy, Reliability and RepeatabilityAugust 1, 2015 Dave Demma
What steps are necessary to achieve optimum valve performance?
How Much Is Enough?August 1, 2015 Ian McTeer
Making sense of relative humidity, wet bulb and grains of moisture.
Same old, same oldMay 1, 2015 STEVE GOLDIE
Soldering basics still apply to lead free pipe, valves and fittings.
Complementary elementsMay 1, 2015 JOHN SIEGENTHALER
Combining a geothermal heat pump, boiler and radiant ceiling in one system.
Multi-purpose means multiple challengesMay 1, 2015 ROBERT BEAN
Points to consider when designing industrial and commercial systems.
Weighing in for the fightMay 1, 2015 BILL ROEBUCK
The aluminum versus steel battle heats up the pickup truck market, while cargo capacity remains the benchmark for big cargo vans.
Chiller basicsMay 1, 2015 DAVE DEMMA
A review of applications and systems in the field.
Consider the total pictureMay 1, 2015 LEN KOBYLUS
Canadian ERV wheel retrofit and specification must consider RER, frosting and maintenance.
Clean bill of health for Fuel Oil No. 2May 1, 2015 by hpac
Results of a final screening assessment released by Environment Canada and Health Canada in February reported that exposure from Fuel Oil No. 2 residential tank leaks is not a concern for the health of the general population. The report states…
Committed to readingMay 1, 2015 by hpac
Raven Hydronic Supply Ltd. continues its fundraising initiatives through Room to Read.
Considerations for next generation HVAC refrigerantsMarch 1, 2015 Mike Thompson, Mike Patterson and Ryan Geister
An earlier article in HPAC and in Engineers Newsletter discussed the need for a balanced approach* between environmental impact and efficiency when selecting replacement refrigerants for HVAC equipment. This article continues the refrigerant discussion by addressing safety, regulations and other…
Improving distribution system efficiencyMarch 1, 2015 Amin Delagah
Part II in a series dealing with restaurant hot water systems.