Before responding to what can be one of HVAC's most dangerous calls, contractors need to have a plan in place for technicians who will be entering a building where CO could be present.
As recording-breaking winter heatwaves and unexpected freezes in the South become more common-place, HVAC equipment is experiencing more strain, and technicians need to be ready to address this additional weather-related stress.
The CO alarm reads zero, but does that mean the equipment is safe? Check out why alarms might not tell the whole story and some other common mistakes HVAC technicians make when performing combustion diagnostics.
To ensure safety, specifying engineers and contractors must educate themselves on A2L safety requirements and risk mitigation measures pertaining to applications, equipment, and component designs.
Solving frost or ice issues with a walk-in freezer is generally not difficult but will require a thorough inspection to find the root cause of the issue.