“Quality is never an accident...

it is always the result of intelligent effort.”

- John Ruskin

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News

Energy Modelling 101: Back to Basics

February 28, 2018 - by Susan MacDougall


Back in the day, the word “model” typically referred to a physical representation of a building built by the architects out of balsam and plastic that we would all “ooh” and “aah” over.  These days, computer models are used to simulate lots of different aspects of the building.  The energy model is used to evaluate the energy profile of a building, that is, how the building uses energy, how much it uses, when it is used, etc.

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An energy model is typically as simple or complex as the building it is representing.

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Backflow Prevention: Protecting our water supply

March 6, 2018 by Robert Waters


Zurn RP backflow preventer

 

In today’s modern world, maintaining the supply of safe, clean drinking water can be challenging with so many potential chemical contaminants. In addition, there are many different ways that potable water systems can be cross connected with other systems. Regulated water suppliers have a responsibility to provide water that is usable and safe to drink under all foreseeable circumstances.

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Static Pressure in HVAC systems

Ensuring proper duct design in HVAC systems saves money.

It costs money to run a fan.  The harder it has to work, the more money it costs.  If air fans are controlled from a VFD, then slower speeds also mean less noise.  There are lots of advantages to paying attention to ductwork.  In most projects is it not even considered.

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