Wall unit heaters are used to give targeted heating for specific rooms. They're useful for areas that have multiple tenants or a family with drastically different opinions of what hot and cold means. Although it takes some effort to get into the inner workings of a wall heating unit, a few troubleshooting tips can help you keep them running as long as needed.
Check Heating Elements For Breaks
A lot of heating unit problems come from overuse or weakening components.