Articles
Tubing depth matters!
October 1, 2015 John SiegenthalerIt 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 own
October 1, 2015 Robert BeanStandard practice for evaluating residential indoor air quality concerns.
What Is going on in the world of Supermarket Refrigeration?
October 1, 2015 Dave DemmaIt 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 up
October 1, 2015 by hpacIn 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 transfer
October 1, 2015 Gilles LegaultIt is crucial to calculate the load when designing a heating system.
Quality, clean and timeless
October 1, 2015 Beth McKayInnovation is the hallmark of today’s bathrooms.
Myths & misconceptions
October 1, 2015 Tim KeaneUnderstanding the true nature of outbreaks associated with building potable water systems.
Plumber shares his good fortune
October 1, 2015 by hpacHospital redevelopment gets $25-million shot in the arm from HVAC entrepreneur.
How to manage payment data
October 1, 2015 Jacob StollerA look at the widening scope of online payment services provided by financial institutions.
Your new drug plan
August 1, 2015 Joe TerrettMedicinal weed is moving into the mainstream and employers must have a strategy in place to manage the inevitable issues.
The case for residential sprinkler systems
August 1, 2015 Steve GoldieThere is a dual benefit to adding fire protection system installation to your service offering.
Simplification
August 1, 2015 John SiegenthalerSystems do not have to be complex to be sophisticated.
How To Deal With Ramped Up Loads
August 1, 2015 by hpacJevons’ paradox is alive and well in high performance homes.
Tips For Successful Installations
August 1, 2015 Lance MacNevinHow to integrate SIM into almost any outdoor surface.
A Shot In The Arm
August 1, 2015 Mark EvansPoint-of-use energy consumption measurement removes bias against hydronic systems.
What Are Your Options?
August 1, 2015 Mike MillerKnowledge is power when it comes to distribution piping design.
Hello Boiler, It’s Wi-Fi Calling
August 1, 2015 Curtis BennettA wireless future for the mechanical industry.
I Can’t See Any Air
August 1, 2015 John SiegenthalerBut it is likely still there…
Accuracy, Reliability and Repeatability
August 1, 2015 Dave DemmaWhat steps are necessary to achieve optimum valve performance?
How Much Is Enough?
August 1, 2015 Ian McTeerMaking sense of relative humidity, wet bulb and grains of moisture.
Same old, same old
May 1, 2015 STEVE GOLDIESoldering basics still apply to lead free pipe, valves and fittings.
Complementary elements
May 1, 2015 JOHN SIEGENTHALERCombining a geothermal heat pump, boiler and radiant ceiling in one system.
Multi-purpose means multiple challenges
May 1, 2015 ROBERT BEANPoints to consider when designing industrial and commercial systems.
Weighing in for the fight
May 1, 2015 BILL ROEBUCKThe aluminum versus steel battle heats up the pickup truck market, while cargo capacity remains the benchmark for big cargo vans.
Chiller basics
May 1, 2015 DAVE DEMMAA review of applications and systems in the field.
Consider the total picture
May 1, 2015 LEN KOBYLUSCanadian ERV wheel retrofit and specification must consider RER, frosting and maintenance.
Clean bill of health for Fuel Oil No. 2
May 1, 2015 by hpacResults 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 reading
May 1, 2015 by hpacRaven Hydronic Supply Ltd. continues its fundraising initiatives through Room to Read.
Considerations for next generation HVAC refrigerants
March 1, 2015 Mike Thompson, Mike Patterson and Ryan GeisterAn 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 efficiency
March 1, 2015 Amin DelagahPart II in a series dealing with restaurant hot water systems.