HPAC Magazine

Features

Feature Article HPAC GeneralHydronicsPlumbing

The case for stainless steel

March 21, 2017 Robert Waters

Despite the higher price tag, stainless steel tanks are often more cost effective when lifecycle costs are compared and should be presented as such. Domestic water heating appliances are the real foot soldiers of the mechanical world. They are constantly

Feature Article Geothermal

Delivering on the promise of renewable energy

March 21, 2017 Ian McTeer

Utilizing the heat migrating up from earth’s 6100C inner core to produce electricity (geothermal energy) and to help comfort condition buildings year-round (geothermal HVAC) seems like a logical choice. The question is why aren’t we doing more of it? The

Feature Article Hydronics

Simple and sophisticated hydronic systems

March 21, 2017 John Siegenthaler

As the North American hydronics industry has grown, so has the complexity of its systems. Many installations that are now featured as award winning examples of hydronic heating contain thousands of parts and pieces. They can be so complex that

Feature Article Plumbing

Grease management: Pitfalls to avoid

March 20, 2017 Andrew Bird

As unpleasant and challenging to work with as they are, grease interceptors are a necessary and vital part of the plumbing system for commercial, industrial and institutional applications. The professional contractor has a number of roles to play in this

Feature Article Management

What to consider when expanding your business

March 20, 2017 Hank Bulmash

Growing your business by expanding to another province is a big step and the process can be complicated. Before beginning operations in a second province you have to determine if your company is legally able to do business there. Federally

Feature Article ControlsHydronics

Hydronic controls: A look ahead

March 19, 2017 Mike Miller

When I started my career some 25 years ago hydronic controls were pretty rudimentary. At best, they could control what they were designed for, but they were pretty much standalone. There were little application controllers and were often only good

Feature Article EngineeringHVAC SystemsRefrigeration

Introduction to refrigeration defrost methods-Part II

March 19, 2017 Dave Demma

Refrigeration systems operating with saturated suction temperatures below freezing will eventually experience an accumulation of frost on the evaporator tubes and fins. The frost serves as an insulator between the heat to be transferred from the space and the refrigerant,

Feature Article HVAC SystemsPlumbing

New codes, regulations and policies change landscape for mechanical industry

February 17, 2017 Robert Waters

The HVAC and plumbing industry in Canada is in for some profound changes with the coming wave of new building codes, policies and regulations. All levels of government–federal, provincial and municipal–are pushing hard to go green and reduce the impact

Feature Article Hydronics

Important updates to CSA B214 Installation Code for Hydronic Heating Systems

February 16, 2017 Lance MacNevin

It is well known in industry circles that when designed and installed correctly, hydronic heating and cooling systems deliver the highest possible efficiency and comfort to building occupants. Likewise, hydronic snow and ice melting systems provide safety, convenience and access

Feature Article Hydronics

Piping layouts to avoid

February 15, 2017 John Siegenthaler

Einstein’s definition of insanity was doing the same thing over and over and expecting different results. If that is true, there are some “insane” hydronic system designers in North America. They repeatedly cling to certain system piping configurations, even though