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HVAC

Selling the benefits of new technology

I have been promoting new technologies for the building industry generally and in the mechanical realm more specifically, throughout my career. New technologies present new benefits to clients and thus new

Delivering on the promise of heat pumps

Professional contractors will recognize the importance of proper sizing to realize the full value of heat pump technology. Oddly, the challenge starts with the fact that heat pumps supply both space heating and space...

Press Fittings

NIBCO PressG fittings are the only CSA certified press fittings available commercially for use in copper tube systems for gas applications. NIBCO's PressG fittings are made of wrot copper and consist of ½" through 2" fittings including male and female threaded adapters, caps, couplings, reducing couplings, elbows, tees, and unions.…

From aesthetics to performance

By Brian Paolucci The concept of protecting open doorways with an air curtain has gained traction over the last half of the 20th century and into the 21st, especially as the world became more energy conscious. Air curtains (or sometimes called air doors) consisted mainly of a rectangular metal box, motorized fan and air…

Unsophisticated test yields great results

A number of years ago, a colleague of mine and I were teaching building science in Russia to a number of contractors. The indoor air quality (IAQ) section of the training was provided by the Canada Mortgage and Housing Corporation’s (CMHC) research division. The division

Clean coils are the ticket to efficiency and longevity

When it comes to HVAC systems, those with the cleanest coils perform best. Maintaining them properly helps sustain maximum operating efficiency and keeps high performance equipment running smoothly. In fact, this is exactly why most manufacturers recommend routine maintenance

Mix of strategies helps boost ventilation in schools

The Cleaner Air for Schools (CAFS) program, an initiative between partners Nerva Energy Group, Mohawk College and Climate Change Leaders, is the winner of the 2022 Clean50 Top Project Award. CAFS was recognized for its success in increasing ventilation in Ontario schools by an average of 40 percent, while reducing greenhouse gas (GHG)…
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