Articles
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.
One side or the other
March 1, 2015 John SiegenthalerAlternate ways to pipe up a buffer tank.
Methods to prevent motor failure
March 1, 2015 Dave DemmaOperation and troubleshooting of electric motors – Part II.
Grow the business you can afford
March 1, 2015 Hank BulmashEntrepreneurship comes with risks, but there are steps you can take to improve your chances of success.
Preventive measure proves profitable
March 1, 2015 Rick EnsleyUsing waterless floor drain traps to eliminate sewer odours and evaporation.
Why don’t my floors feel warm?
February 1, 2015 John SiegenthalerSimple solutions to avoid the dilemma of unfulfilled customer expectations.
A little math goes a long way
February 1, 2015 Lance MacNevinWhat you need to know about the financial reality of operating snow and ice melt systems.
Pressure and high school chemistry
February 1, 2015 Cliff McNeillHow the often misunderstood expansion tank protects closed hydronic systems.
Electric Motors: Operation and Troubleshooting
February 1, 2015 Dave DemmaImagine 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 of any…
Tips for restaurant hot water systems
February 1, 2015 Amin DelagahWarming up to a new design perspective-Part I
Ones and zeros
February 1, 2015 by hpacHow to incorporate relays into your design strategy.