Articles
Compressors through the years
March 24, 2020 Dave DemmaAn overview of how compressor technology has been making strides in both operational and energy efficiency.
A Seat at the table
March 24, 2020 Anil SawhneyChanging the project design lens to focus on whole life-cycle value.
20th Anniversary for RMC
March 23, 2020 Doug PicklykThe unique industry-run Refrigerant Management Canada program continues to be the only program of its kind in North America.
Understanding adjudication
March 17, 2020 Catherine DiMarcoWhat construction stakeholders need to know to navigate Ontario’s new adjudication system.
Why FI?
March 16, 2020 Curtis BennettWith the proliferation of connected devices in our industry, everyone needs to understand the basics of a Wi-Fi set up and the common challenges involved.
Trends in Water Heating
March 13, 2020 Rob WatersWith 2020 upon us, there are several emerging trends that are affecting the water heater industry. In the past I have written about emerging water heating technologies (HPAC, May 2016) where I focused on the technical details of different water…
Calling In service calls
March 10, 2020 Megan HoeglerA Calgary-based startup introduces augmented reality platform that changes the way HVAC technicians deliver service.
Head vs. ∆P
March 9, 2020 John SiegenthalerImportant differences between two commonly used terms.
UPDATED: CMPX 2020 Product Spotlight
March 9, 2020 by HPAC MagazineThe Canadian Mechanical and Plumbing Exposition (CMPX) was scheduled to take place at the Metro Toronto Convention Centre March 25-27, however due to the rapid spread of the novel coronavirus in North America and around the world, on Friday, March…
Considerations for operating hybrid radiant-DOAS systems
March 3, 2020 Sanjil KarkiDesigning for comfort and efficiency in commercial buildings through optimized controls of a hybrid system.
Integrated Design
March 2, 2020 Robert BeanA case study in achieving IEQ and efficiency with human factor.
Understanding air to water heat pump systems : Part 1
February 24, 2020 Mike MillerThe rise of electrification in residential HVAC will lead to greater adoption of heat pump technologies.
Outdoor reset
February 24, 2020 Robert WatersThe under-utilized king of hydronic controls.
Products we need
February 18, 2020 John SiegenthalerSuggestions for five technologies and products that could help move the hydronics industry forward.
Hot trends, cool features
February 12, 2020 Steve GoldieModern commercial washroom designs call for more inclusive spaces with luxurious and
sustainable touches.
Residential HVAC warranties: Where is the value?
February 11, 2020 Ian McTeerIt’s important to understand manufacturer warranties and be able to identify how you can provide additional value to customers.
Guide to refrigerant regulation and policy
January 21, 2020 John Sheff and Dean GroffThe HVAC/R industry is working to make sure the transition to low global warming potential (GWP) refrigerant goes as smoothly as possible.
Prompt Payment and a proper invoice
January 17, 2020 Catherine DiMarcoWhat all parties to a construction project need to know going forward in Ontario.
Going hybrid for heating efficiencies
January 14, 2020 John MillerConsider the benefits of combining a non-condensing with a high-efficiency condensing boiler to get the best of both technologies in commercial/institutional heating applications.
Variable speed ‘shuttle’ pumps for boiler protection
January 7, 2020 John SiegenthalerIntroducing a thermal clutch to protect a boiler from sustained flue gas condensation.
Never take drainage for granted
January 5, 2020 Steve GoldieUsing the right tools will ease the clearing of blocked drains, and you never know what you’ll find.
Thermostatic expansion valve troubleshooting
December 23, 2019 Jeffery StaubOften misdiagnosed, take a system-wide approach when searching for root cause problems with AC and heat pump systems.
HVAC/R system troubleshooting
December 17, 2019 Dave DemmaTake a logical and systematic approach to determining the final cause of equipment failure, and then take it a step further to determine the actual root cause.
The Agility of IoT
December 17, 2019 Megan HoeglerSmart technology developed by PCL Construction and Microsoft is simplifying tradespeople and developers’ jobs through crisis prevention and cost savings.
Top five new residential gas furnace tests
December 11, 2019 Ian McTeer“We owe it to our customers and to the environment to be sure that newly installed gas appliances will operate at peak efficiency.”
Bird’s Eye View
November 4, 2019 by Jillian MorganThe costly consequences of falls at heights demand a culture shift.
Remote technologies offer a win-win for customers and contractors
November 1, 2019 George TsintzourasMuch like GPS or smart thermostats, remote A/C diagnostics and air conditioning monitoring systems belong in every technician’s truck.
‘They really hate us:’ New prompt payment rules may help mend relationship between GC’s, subtrades
October 29, 2019 David Kennedy“It’s not dislike, it’s not that they’re upset– they really hate us.”
Sealing Building Envelopes
October 28, 2019 by Jillian MorganBlower door testing offers opportunity for contractors.
An Untapped Energy Savings Opportunity
October 24, 2019 Steven GravesThe return on investment from re-staging with an active sensing system can be as low as 12 months.