About

HH Angus Firsts

We’re proud of the many industry-leading advances we have achieved and the boundaries we have pushed in mechanical and electrical building engineering design. Some of our innovations changed engineering standards. Others are still considered revolutionary today.

Firsts, Innovations and Unique Achievements
  • World’s first high-speed moving sidewalk – Lester B. Pearson International Airport, Mississauga ON
  • First to use 100% fresh air flow in a healthcare facility – North Bay Regional Healthcare Centre ON
  • First to use LED nightlighting in hospital patient rooms – Northumberland Hills Hospital ON
  • First large-scale interactive video wall for an Operating Room in Ontario– St. Joseph’s Healthcare, Hamilton ON
  • Security in a hurry: Design/build of 540 fibre-optic-serviced workstations in only 3 weeks from blank page to finished installation – G20 Summit, Toronto ON
  • First Cogeneration plant for emergency power generator in Canada, Winner, CEO Award – Villa Colombo, Vaughan ON
  • Ontario’s first Hospital P3 project – Sir William Osler Hospital
  • First use of theatrical lighting design for atrium use in Toronto – University of Toronto’s Leslie L. Dan Faculty of Pharmacy
  • First research centre in Canada to use a double façade ventilation system, featuring occupant controlled motorized-louvers and window blinds – University of Toronto’s Terrence Donnelly Centre for Cellular and Biomolecular Research
  • Canada’s First combination MRI and Cardiac Catheterization lab – Sunnybrook Health Science Center Imaging Research Centre for Cardiac Intervention, Toronto ON
  • Ontario’s first ground source heat pump using a natural aquifer – three decades before it has become common practice – Winner, CEO Award, Government of Canada Ministry office, Scarborough ON
  • First Place, LEBDA (national Low Energy Building Design Award for conceptual design) – won by  Peter Willings, Chief Engineer (Emeritus) HH Angus, together with Architect Rod Robbie and team; honoured in 1976, well before energy conservation and efficiency became design standards
  • Canada’s first sports stadium with a fully retractable motorized roof – Toronto’s SkyDome, now Rogers Centre
  • Canada’s first “skyscraper” – The Toronto Dominion Tower, Toronto ON
  • Canada’s first major district energy system plant, Toronto ON
  • Canada’s first raised floor installation for cooling – During the heart of the Cold War, HH Angus helped develop SAGE, or the Semi-Automatic Ground Environment automated control system for NORAD. Still considered one of the most advanced large computer systems ever built. North Bay ON
  • Canada’s first commercial computer centre – Canada Systems Group, Sheridan Park, Mississauga ON
  • Largest healthcare facility in the British Commonwealth – Sunnybrook Hospital – 1946
  • Harry Holborn Angus designs the mechanical and electrical engineering for the new Art Gallery of Ontario -1925
  • Harry Holborn Angus designs Toronto Technical School mechanical and electrical engineering -1913