As of 2015, some highly-rated indoor heaters include the Lasko 754200 Ceramic, Crane EE80750 Mini Fireplace and DeLonghi TRD0715T, according to ConsumerSearch.com. Users of Amazon.com give the heaters 4.3, 4.4 and four out of five stars, respectively, while TheSweetHome.com gives the heaters favorable reviews, as well.
Lightweight and portable, the Lasko 754200 heats quickly and has an efficient thermostat with manual controls. Also included is an overheat shut-off sensor for safety.
Ideal for bedrooms and dens, the Crane EE80750 features realistic embers and has simple controls with a choice of two heating levels.
Fitting for large rooms, the DeLonghi TRD0715T is permanently sealed with pure diathermic oil that never needs refilling. The heater features a customizable thermostat with three temperature settings and a 24-hour programmable timer to maintain optimal room temperature.