Fieldpiece MR45 vs Appion G5Twin Review of Refrigerant Recovery Machines
Recovering refrigerant from an AC system is an essential part of a service technician’s job. That’s why refrigerant recovery systems are essential HVAC tools. These systems must meet multiple necessary, but often conflicting requirements:

Carbon monoxide (CO) is an odorless, colorless, and toxic gas which is a byproduct of incomplete combustion. For HVAC technicians who work on combustion equipment like furnaces, water heaters, and boilers as part of their job, CO is occupational hazard. CO can also threaten the health and safety of people who live and work near combustion equipment which emits excessive amounts of the gas into the ambient air.