“Quality is never an accident...

it is always the result of intelligent effort.”

- John Ruskin

Call us! 403.289.8852 | info@tlj-eng.com



VRF Technology – Part 1

VRF Technology – what you need to know

Part 1 – What is VRF

Variable refrigerant flow (VRF), also known as variable refrigerant volume (VRV), is an HVAC technology invented in 1982. Like ductless mini-splits, VRFs use refrigerant as the cooling and heating medium. This refrigerant is conditioned by a condensing unit, and is circulated within the building to multiple indoor units.

 indoor 1

Typical Indoor VRF units

Read more ...

Taylor Institute for Teaching and Learning

Taylor Institute for Teaching and Learning, Calgary, Alberta, Canada

By Regan Moffatt, P.Eng., Associate Member ASHRAE

Developing and designing ultra-low energy mechanical systems and integrating them into innovative architecture was the challenge for the design team of Canada’s Taylor Institute for Teaching and Learning. The building sits on the foundation of a former museum and uses the university’s existing central heating and cooling plant.

The University of Calgary main campus is located in Calgary, Alberta, Canada, in the foothills of the Rocky Mountains. Established in 1966, the university continues to grow and develop into a prominent education and research facility, with a strategic vision to achieve a position within the top five research universities in Canada. 

Read more ...

Growth of licensed cannabis producers offers HVAC opportunities

As cultivators and consumers await the legalization of recreational marijuana in Canada late summer 2018, opportunities grow for HVAC contractors.

In “A snapshot of licensed cannabis producers,” released April 26, 2018, Statistics Canada (StatsCan) reported a rapid growth of licensed medical producers.

Read more ...