Here is a compact space heater that combines with your phone to keep you comfortable throughout winter. The EconoHome Wall Mount Smart Space Heater Panel is 400W rated and can handle rooms up to 120 sq.ft.
This space heater is compatible with Amazon Alexa, Google Assistant, Google Nest, IFTTT, Apple HomeKit through eWeLinik. It provides constant heat but doesn’t get hot on the exterior. It doesn’t have a fan either.