Research. Knowledge. Better HVAC Decisions.
TORONTO — A recent incident reported by The ACHR NEWS has sparked renewed concern about technician safety after an HVAC professional was threatened by an armed customer during a routine service call. The technician was able to leave unharmed, but the event underscores a growing reality: field service workers can face unpredictable and potentially violent … Read more
Ontario gas technicians must follow more than the national CSA B149.1 codebook. They must also apply the Ontario-specific requirements contained in the Technical Standards and Safety Authority’s Gaseous Fuels Code Adoption Document. TSSA published the new Gaseous Fuels Code Adoption Document Amendment FS-279-26 on April 2, 2026. It became effective on June 1, 2026, replacing … Read more
Clause 4.1 of CSA B149.1:25 establishes the general requirements that apply when installing natural gas and propane appliances, equipment, accessories, and components. This clause is especially important for gas technicians because it explains: Here is Clause 4.1 explained in practical terms, because code books apparently believe every simple rule deserves several layers of legal armour. … Read more
Electrical Fundamentals Every HVAC Technician Must Master Before Troubleshooting Modern Equipment The HVAC industry has changed dramatically over the last two decades. Mechanical systems that once relied on simple controls now integrate electronic ignition modules, variable-speed motors, inverter-driven compressors, intelligent control boards, communicating thermostats, and sophisticated safety circuits. Yet despite these technological advances, every HVAC … Read more
Introduction Natural gas is one of the world’s most important and widely used sources of energy. A colorless, odorless fossil fuel in its pure form, it powers homes, industries, electricity plants, and vehicles across the globe. It is considered the cleanest-burning of all fossil fuels, releasing significantly lower amounts of carbon dioxide, sulfur dioxide, and … Read more
It is 5:00 PM on a Friday. You are at the tail end of a grueling shift, and you have one last service call: relighting a pilot on a residential furnace. The customer is frustrated, the basement is cold, and you can almost hear the “click” of your own front door at home. In this … Read more