647-955-7289 647-372-0087
Error We take COVID-19 Precautions
google review 4.8 google review 470 Google reviews
phone

24/7 Service Hotline

(800) 465-5700
(613) 395-1800

Ontario HVAC Company: AC & Furnace Installation, Repair, Replacement, Tune-Up, and Maintenance Services

Vacuum

A pressure below atmospheric pressure. A perfect vacuum is 30 inches of mercury (periodic symbol “Hg”)