Sometimes the benefit is delayed over months or even years. In this case, the business creates a deferred revenue expenditure account to match up the expense with the value received, similar to depreciation accounts but for a different set of activities.
1 Table Top Water Dispenser is a smaller unit which can be placed directly on top of the table for dispensing hot or cold water. 2  Direct Piping Water Dispenser connects directly to the water source for an auto refill of constant hot or cold filtered pure drinking water.
In some systems, hot wastewater is kept in a holding tank, where a heat pump can extract the heat. The heat is then re-introduced into the domestic hot water stream. Although this does save a lot of water-heating energy, the cost of these systems has generally been prohibitive.