Dimplex

The OFX750 typically features multiple heat settings, a thermostat for temperature control, and safety features such as overheat protection and a tilt switch with the option to have it wall mounted.

Filter replacement frequency depends on usage and indoor air quality. Generally, the pre-filter should be cleaned regularly, and the HEPA and activated carbon filters should be replaced every 6-12 months, or as recommended by the manufacturer.

The OCR20TIE features multiple heat settings, a thermostat for temperature control, and a timer for scheduling heating periods. It also includes safety features such as overheat protection it is on wheels to be moved around when needed.