Hide the furnace & heater behind painted shutters or bi-fold doors- ventilated & easy to move (A folding screen made from bi-fold doors. Note the wrapping paper they put in the Ikea cabinet doors. The water heater.
How to Hide a Water Heater - Realtor Secret Exposed! I definitely need something to hide the water heater that will be the first thing people see in my new utility room if they come in the back door to my home.