Whatever the refrigerant, we are still applying the same basic principles.
I was in Orlando for the seven day ASHRAE Winter Conference held in parallel with the three day AHR Expo. It was neither sunny nor warm and lived up to its winter billing. For readers who have not been, the…
What kind of business has the best sales appeal?
The AHU has undergone many changes since gravity warm air furnaces were the norm.
New perspectives on a long-standing question.
Sizing a pump is a relatively easy exercise.
Industry stakeholders take advantage of an opportunity to hear from industry experts.
Designers and installers must be aware of potential issues when considering heat sources.
Condensation is not the dark side of chilled water and radiant cooling systems.
Alpha Mechanical Contracting Ltd. and Dual Mechanical were honoured for their work on the Vancouver Aquarium and at Seabreeze Farm, respectively, in the Vancouver Regional Construction Association’s 27th annual Awards of Excellence last fall. Eleven winners were selected from 128…
Boiler replacement is sometimes viewed as an easy task, but it can be challenging if it is done right.
Thermography and its role in solving plumbing-related moisture problems.
The city’s Multiplex has undergone a technological upgrade to save energy.
When I worked as a technician I wanted to have every possible tool I would ever need to complete any job I was faced with in my possession (meaning in my service van), including the 2 a.m. emergency calls. While…
Lower cost thermal imaging cameras and their role in the HVAC industry.
A look at the causes, the potential risks and the ultimate cure for things that go bump in the night.
The hot-water-conserving equipment and fixtures in a commercial kitchen are pivotal to an optimized hot water system.
I am smiling as I write this article because I think we might actually be making progress in the world of kitchen exhaust and make-up air systems. Let me explain. While en route to a recent project meeting I was…
From minor control trips to compressor and transformer failures, harmonics can impact every type of HVAC equipment.
Retrofitting the first prime minister’s 19th century home has its challenges.
Identifying and fixing the primary culprits behind a noisy hydronic system.
Manufacturers step up with products that work in pint-sized loos.
HVAC contractors in Canada know very well that the bulk of their time is spent preparing for, or dealing with winter. One of the most important requirements for any heating system is maintenance. Every device, and the distribution system it…
It is time to find better ways of ensuring that tubing and reinforcing mesh end up near the mid-height of the slab.
Standard practice for evaluating residential indoor air quality concerns.
It comes as no surprise to anyone that supermarkets are under pressure to embrace green. As applied to the refrigeration portion of a supermarket this translates into: reduce carbon footprint, lower Global Warming Potential (GWP), reduce refrigerant charge, reduce electrical…
In the world of potable water protection and backflow prevention, a certified specialist tester or inspector will find cross connections that are controlled, and in too many cases, a bad cross connection with no control. In a bid to address…
It is crucial to calculate the load when designing a heating system.
Innovation is the hallmark of today’s bathrooms.
Understanding the true nature of outbreaks associated with building potable water systems.