HPAC Magazine

Articles

Siegenthaler,hydronic systems
Article EngineeringHydronics

Strive for perfection in hydronic system design

October 28, 2017 John Siegenthaler

We live in a world where, for the most part, theoretical ideals can only be approached rather than fully realized. For example, imagine a building with heat loss characteristics such that the rate of heat loss always matched the rate

Article Plumbing

9 Top Trends in Bathroom Design

October 27, 2017 Sebring Services

When you are involved in a bathroom renovation, you are not just creating a practical bathing space. For most people, the bathroom has become a personal sanctuary. It is not just a place to wash off the grit. It is

Article HVAC Systems

A great preventive maintenance program will partner with end users over equipment’s entire life

October 26, 2017 Jonathan Mosterd

Building automation and advancements in efficiency have exponentially increased over the last few decades, bringing about a new era in industry. With this, a whole new series of electronic devices have been integrated in large commercial buildings and in industrial

Article HPAC GeneralHVAC Systems

What you need to know about the industry workhorses

October 25, 2017 Ian McTeer

Everyone involved in HVAC and refrigeration works with electric motors almost every day. Whether designing new products, specifying equipment, installing, maintaining or repairing a variety of heating, ventilation or cooling products, an electric motor and its needs are regularly the

Article CoolingForced AirHeatingHVAC Systems

Packaged indoor air quality systems work for contractors

October 23, 2017 Aaron Engel

Cold winter months keep Canadians indoors a great deal more than their southern climate counterparts. Staying indoors longer can be detrimental to health, particularly when you consider the trend toward tighter and more energy efficient home construction mandated by recent

Article Green TechnologyHPAC GeneralPlumbing

Advancements help commercial bathrooms go greener

October 22, 2017 David Scelsi

Economic challenges. Droughts. Green initiatives. Laws and standards. It is hard to pinpoint one single reason water has risen to the forefront of the sustainability conversation in the past few years. But one thing is certain, as demand for greener

Article CoolingEngineeringHVAC SystemsRefrigeration

Contemplating a chiller replacement?

October 18, 2017 Dave Demma

When I was in high school, the cost of gasoline was seldom of concern. I drove a 1957 Chevy Bel Air, with a modified 409 engine in it, and I do not think I ever thought to check what the

Article HPAC GeneralPlumbing

How to solve water heater installation errors

October 17, 2017 Robert Waters

Installed in every building, water heaters are one of the most common mechanical appliances, with thousands installed every day in Canada. Installations are done by anyone from skilled mechanical contractors, to do-it-yourselfers, and anyone in between. In most cases a

Article ConstructionHPAC GeneralHuman ResourcesManagement

Optimize productivity and worker safety

October 1, 2017 Justin Kissinger

Using an oversized lift on indoor worksites is sometimes like attacking a mosquito with a baseball bat. It is impractical, unsafe and might do more damage than good. Low-level scissor lifts are great tools for indoor projects, such as installing

Article HPAC GeneralHuman ResourcesHVAC SystemsManagementRefrigeration

Change is in the air

September 10, 2017 Michael Power

Attendance ramped up compared to last year for the 49th-annual conference of the Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI) in Quebec City. Held August 16-18, the event saw changes to the organization that included Bruce Passmore appointed

Article CoolingHeat PumpsHeatingHydronics

Top ten heat pump start-up tips

September 1, 2017 Ian McTeer

It’s hard to stop a…” Admit it; I know you just filled in the blank. That’s OK, years of persistent marketing works wonders, but it does not mean other top brands aren’t capable of providing reliable service year after year.

Article HPAC GeneralHuman ResourcesManagement

A wide angle view of your business

August 31, 2017 Patti Lowes

Part-time CFOs may be an answer for small- to mid-sized businesses. I had lunch with an old friend recently. Matt has a family owned HVAC business – it is now in its second generation. “You must be feeling good,” I

Article ControlsGreen TechnologyHVAC SystemsManagement

LEAPing ahead in sustainability

August 31, 2017 Michael Power

The Coquitlam Centre’s new heat recovery chiller (HRC) system wins HOOPP’s LEAP award, helps cut GHG emissions by 35 per cent. Sustainability has transformed from a “nice-to-have” aspect for businesses to a core component of operations for many organizations, both

Article ConstructionEngineeringGreen Technology

How to improve commercial building design

August 30, 2017 Judy Peters

Though not a new concept, the intentional practice of calculating in detail how a building will use energy is a critical, yet often overlooked, step in building development. At its core, energy modeling is the practice of using software to

Article Hydronics

Melting snow is a beautiful thing

August 30, 2017 Lance MacNevin

LEARN MORE ABOUT THIS TOPIC AT MODERN HYDRONICS-SUMMIT 2017. LANCE WILL BE DISCUSSING HYDRONIC SNOW AND ICE MELTNG SYSTEMS IN MORE DETAIL AT THE SUMMIT. As I write this it is hard to think about winter, but I am pretty

Article Hydronics

How water behaves in hydronic systems – Part II

August 29, 2017 Mark Olson

Two common problems resulting from poor water quality are excessive corrosion and limescale accumulation. In Part I (HPAC, February 2017) we examined corrosion. The following is a closer look at limescale accumulation. In North America the dissolved mineral content from

Article Hydronics

Calling all wetheads: Take advantage of special contractor pricing

August 28, 2017 by Kerry Turner

Click here for sneak peek into Robert Bean’s presentation and the opening Siggy & the Bean session. Modern Hydronics-Summit 2017 will be held September 14, 2017 at the International Centre in Mississauga, ON. From the trade show floor where more

Siegenthaler,hydronic systems
Article Green TechnologyHydronics

Distribution efficiency: An often overlooked benefit of hydronics

August 24, 2017 by Kerry Turner

During the 35+ years that I have been involved in the North American hydronics industry there have been significant improvements in the thermal efficiency of hydronic heat sources. The 1960s vintage ranch house that I grew up in is a

Article HVAC SystemsRefrigeration

How to properly apply a TEV for a given application

August 23, 2017 Dave Demma

In my travels I have many opportunities to visit and interact with HVAC/R contractors. In the course of these visits, a frequent topic of discussion is refrigerant conversions. After the typical “what’s the best replacement for R-22”, and “do we

Article Hydronics

Register now for the hydronics event of the year!

August 21, 2017 by HPAC Magazine

Modern Hydronics-Summit 2017 will be held September 14, 2017 at the International Centre in Mississauga, ON. From the trade show floor where more than 50 exhibitors will be available to talk to you, one-on-one, about the latest hydronic product offerings,

Article HVAC SystemsManagement

Change is in the air

August 20, 2017 Michael Power

Strengthening regional representation and ensuring money earmarked for climate change projects is spent wisely are among top priorities for Bruce Passmore, who was appointed chair of the Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI) at the organization’s 49th-annual

Article Hydronics

Making sense of boiler ratings

August 16, 2017 by Kerry Turner

When it comes to the selection and sizing of your boiler many people get a little confused as to what all the different ratings mean and which rating you should use. Take a look at a manufacturers’ specification sheet and

Article CoolingHeat PumpsHVAC Systems

Are you overcharging cooling systems?

May 17, 2017 Ian McTeer

Every industry has its heroes, including HVAC/R. People such as Michael Faraday, Willis Carrier, Fredrick McKinley Jones and Thomas Midgley Jr. provided a large measure of inspiration for me as I progressed through the science of refrigeration and air conditioning.

Article HPAC GeneralManagement

Service Vehicle Report: Heavy-duty changes in 2017 offering

May 16, 2017 Jil McIntosh

While consumer vehicles are constantly being tweaked to capture buyers’ interest, commercial vehicles are more about practicality than pizzazz. The most remarkable changes in the commercial vehicle offering for 2017 are in the heavy-duty pickup segment, with an all-new Super

Article Human ResourcesManagementPlumbing

A tale of two plumbing inspections

May 16, 2017 Steve Goldie

Over the years I spent as a plumber I was probably involved in at least two hundred plumbing inspections. I actually used to enjoy the ritual of getting my work prepared for inspection, filling the stacks, pressurizing the water lines,

Article CoolingHVAC SystemsRefrigeration

Insights on refrigerant flammability and safety

May 16, 2017 Spencer Fuller

After the Montreal Protocol began the phase-out of chlorofluorocarbon (CFC) refrigerants in 1987, the HVAC industry began to test alternative refrigerants. Since then, the industry’s primary concern has been “safety first.” This does not mean just environmental safety, but also

Article EngineeringHydronics

Higher efficiency circulators are here to stay

May 16, 2017 John Siegenthaler

Wet-rotor circulators have been used in millions of residential and light commercial hydronic systems over the last four decades. Many hydronic pros consider them “commodity” components. They are available from a long list of suppliers, most of which provide equivalency

Article CoolingHydronics

Radiant cooling: Emerging technology shows promise

May 16, 2017 Rob Waters

Most heating professions are very familiar with the principals of radiant floor heating systems and how they work. These systems have become an accepted part of the HVAC offering of many engineers and contractors, as they have proven to offer

Article EngineeringHVAC SystemsManagement

The secret of turning building data into revenue

May 15, 2017 Matt Gates

Information technology advancements are bringing about a product revolution with smart, connected products that are more available and affordable than ever before. Near ubiquitous wireless connectivity, coupled with improvements in processing power and device miniaturization, have resulted in a wave

Article CoolingGreen TechnologyHVAC SystemsHydronics

A lesson in sustainability

May 12, 2017 Shawn Sinnie

Class is back in session and the teachers have a little more help this year. The renovated Steinbach Regional Secondary School in Steinbach, MB, is assisting the faculty with a great lesson for the students on the environment and the