If the wall controls and regulators for your patio heater offer options with more than one switch, you will want to consider the number of patio heaters installed in your space.
If you have more than one heater in a space together, you may want to purchase a control box with as many controls as you have heaters. This way, you will avoid cluttering up your wall with individual switches.
If you only have one heater, or if your heaters are in different locations, a single wall switch with suffice.
