In most cases, your indirect water heater will be connected to a boiler.
Outside Water Heater Sheds. It is an aquahut water heater enclosure, as stated on the label. Spray paint the ground next to the house to mark the perimeter of the shed.
Exterior Water Heaters. tankless water heater installation ... from homesfeed.com
A wide variety of outside water heater options are available to you, such as instant. I recently retired after 30 years as a residential contractor. Water stores 5 times more the unit would be fired on the concrete patio outside and rolled in the kitchen door, once it is hot.
Single point water heaters come in both gas and electricity flavour and are sited, generally, next to the point they serve.
This video explains how to heat a garden shed or outdoor office. Indirect water heaters use heat transfer to create hot water. Direct vent water heaters use air from outside the home for combustion. The main difference between electric and gas water heaters is the heat source.
