HPAC Magazine

Articles

Article HPAC General

Products we need

February 18, 2020 John Siegenthaler

Suggestions for five technologies and products that could help move the hydronics industry forward.

Article Plumbing

Hot trends, cool features

February 12, 2020 Steve Goldie

Modern commercial washroom designs call for more inclusive spaces with luxurious and
sustainable touches.

Article Forced AirGeothermalHPAC GeneralHVAC Systems

Residential HVAC warranties: Where is the value?

February 11, 2020 Ian McTeer

It’s important to understand manufacturer warranties and be able to identify how you can provide additional value to customers.

Article HPAC GeneralRefrigeration

Guide to refrigerant regulation and policy

January 21, 2020 John Sheff and Dean Groff

The HVAC/R industry is working to make sure the transition to low global warming potential (GWP) refrigerant goes as smoothly as possible.

Article HPAC GeneralHuman ResourcesManagement

Prompt Payment and a proper invoice

January 17, 2020 Catherine DiMarco

What all parties to a construction project need to know going forward in Ontario.

Article Green TechnologyHeating

Going hybrid for heating efficiencies

January 14, 2020 John Miller

Consider 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.

Article Hydronics

Variable speed ‘shuttle’ pumps for boiler protection

January 7, 2020 John Siegenthaler

Introducing a thermal clutch to protect a boiler from sustained flue gas condensation.

Article HPAC GeneralHVAC SystemsPlumbing

Never take drainage for granted

January 5, 2020 Steve Goldie

Using the right tools will ease the clearing of blocked drains, and you never know what you’ll find.

Article CoolingForced AirHeatingHPAC General

Thermostatic expansion valve troubleshooting

December 23, 2019 Jeffery Staub

Often misdiagnosed, take a system-wide approach when searching for root cause problems with AC and heat pump systems.

Article HPAC GeneralHVAC Systems

HVAC/R system troubleshooting

December 17, 2019 Dave Demma

Take 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.

Article ConstructionEngineeringHPAC GeneralHVAC Systems

The Agility of IoT

December 17, 2019 Megan Hoegler

Smart technology developed by PCL Construction and Microsoft is simplifying tradespeople and developers’ jobs through crisis prevention and cost savings.

Article Forced AirHeatingHPAC General

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.”

safety
Article Health & SafetyHPAC General

Bird’s Eye View

November 4, 2019 by Jillian Morgan

The costly consequences of falls at heights demand a culture shift.

Article HPAC GeneralHVAC Systems

Remote technologies offer a win-win for customers and contractors

November 1, 2019 George Tsintzouras

Much like GPS or smart thermostats, remote A/C diagnostics and air conditioning monitoring systems belong in every technician’s truck.

Article ConstructionHuman ResourcesManagement

‘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.”

Article EngineeringHPAC General

Sealing Building Envelopes

October 28, 2019 by Jillian Morgan

Blower door testing offers opportunity for contractors.

Article HVAC Systems

An Untapped Energy Savings Opportunity

October 24, 2019 Steven Graves

The return on investment from re-staging with an active sensing system can be as low as 12 months.

Article Health & SafetyHPAC GeneralHVAC Systems

Enhancing facility safety with integrated HVAC controls

October 23, 2019 Michael Hugh

HVAC systems are one example of a foundational building component business owners and facility directors recognize as a critical part of an overall connected safety strategy.

Article Construction

Within Reach

October 21, 2019 by Jillian Morgan

Mechanical systems find a place in 3D printed structures

Article HeatingHVAC Systems

The Oldest Technology

October 18, 2019 Ian McTeer

Super insulation combined with zoned radiant heating has the potential to push fossil fuel heating into obsolescence.

Article ConstructionHPAC General

High-performance Design Matches High-performance Athletics

October 16, 2019 Ralph Kittler

World-class sports facility presents unique IAQ and air distribution issues.

Article HPAC GeneralHVAC Systems

Dealing with the Products of Combustion Part II

October 15, 2019 Robert Waters

Dealing with liquid condensate must be done properly to avoid damage to the building, problems with appliance operation and angry customers.

Article HPAC GeneralHVAC Systems

Benefits and Advantages of Thermostatic Expansion Valves

October 15, 2019 Jeffrey Staub

TXVs are one of the most common type of adjustable orifice throttling devices in air conditioning and refrigeration systems worldwide. But how do TXVs compare to other throttling devices?

Article HVAC SystemsHydronics

Hydraulic Dieting

October 11, 2019 John Siegenthaler

Think about reducing head loss to reduce the kilowatts per hour of electrical energy required to operate the system.

Article Plumbing

Best practices for maintaining water flow in plumbing supply systems

September 3, 2019 David Desjardins

Minimizing bacteria growth in plumbing supply systems has become increasingly important in the plumbing industry in recent years. This is done largely through the control of temperature and flow maintenance. Plumbing engineers, installers and facility operators are particularly concerned with

Article Hydronics

Tips on major boiler retrofit options

August 28, 2019 Rakesh Zala

One-third of a facility’s energy bill stems from the boiler room, and system inefficiency just adds to high energy costs. If replacing a boiler is not an option due to budget constraints, retrofitting an old boiler is one way to

Article Management

Top ten tips to getting paid

August 27, 2019 Dan Leduc

The attention to prompt payment legislation at the federal and provincial level proves the ongoing and entrenched knowledge that the construction industry is premised on cash flow and therefore capitalization is, if not the primary, at least one of the

Article ControlsHydronics

IoT permeates market, contractors pushed to get on board

August 26, 2019 Curtis Bennett

I literally remember hearing that 9600 baud modem squeal for the very first time. Reerascheeeram, yes that is how you actually spell it, so do not try to look it up. It was weird – I thought why the heck

Article Refrigeration

How to select heat transfer surfaces

August 26, 2019 Dave Demma

There are many textbook definitions for the term refrigeration, but one of the most straight forward and easy to understand definitions is as follows: “the achievement of a temperature below that of the immediate surroundings.” In this article, when the

Article Hydronics

Dealing with the products of combustion: Part 1

August 26, 2019 Rob Waters

Contractors who install gas-fired condensing boilers know that dealing with the products of combustion is a big challenge when installing these appliances. Flue gases exiting the appliance are laden with moisture, and liquid condensing from the combustion chamber and vent