Can the unit be installed on the return air side of the HVAC?
The best location for your Guardian Air REME+ whole house air purification system is in the plenum, just after the air handler. This allows for full distribution and extended air treatment. In situations were it is somehow impossible to locate the unit after the HVAC unit, it is acceptable to locate the Guardian Air REME+ unit before the HVAC unit, however the high moisture content of the cooling coils, as well as the high temp of the heating coils will reduce the effective treatment capacity of the unit.
