Tankless or Demand-Type Water Heaters

  • When one needs instant hot water to take a shower.
  • If there is inadequate space to place a tank.
  • Applicable for reducing heat loss through the tank.
  • Useable where there is little power supply.
  • They are used when water is needed immediately without a need to wait for the tank to get full.
  • When you want to reduce the storage cost.
The above are the reasons as to why people prefer to use Tankless water heaters or on-demand water heaters to Tank water heaters.


  • This water heaters use less energy
  • It is efficient to offer hot water when you need it.
  • The heater saves on space & Reduces the Storage cost
  • Offer continuous supply of water
  • It has a reduced cost of maintenance
  • It provides a reduced power consumption plan.


  • Have no storage space for later usage of water.
  • Tankless water heaters have no storage for the hot water
  • Have an upfront cost for the heater needs to be large to meet demand. 
  • They have a High Initial Cost of purchasing and installing the heater.