For the humidity, do you have a water source that's big enough for a filter or just a little bowl? If its big enough for a filter, you could get a little one with a spray bar and have the spray bar above the water level and aim it against the wall to raise humidity. Just an idea anyway. Otherwise have fun with your constant misting! haha :P There's always the option of a misting machine but I guess if you work from home that's a bit of an unnecessary expense. Live plants help maintain humidity too but you'd want to be careful there's no pesticides used on them. But at least you've sorted the heating problem which was probably your main concern
