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Pros and Cons of Hot Water Heating


A good hot water system is essential for your home wherever you live. However, you will require reliable hot water, and hot water systems Perth fully understands what you are looking for and how to install it. If your heater is more than ten years old it may be time to change it, and this time you may want to consider a Tankless Water Heater, or one of the many new options now available.

Tankless Water Heater

This hot water system is an energy-saving system, that must be installed by expert technicians. This system instantly heats the water as it flows through the device. Copper heat exchangers are preferred in these units due to their ability to conduct thermal heat. Tankless heaters may be installed in your home without a central water heater.

Pros are:

  • You will always have a limitless supply of hot water in your home.
  • Potential energy savings as you only use energy when the hot water is in use.
  • There are no standby energy costs for this method.

Cons are:

  • Initial costs of the equipment and installation.

The heater operates by being normally turned off, but has flow sensors that activate when the water is flowing through them, a copper heat exchanger is warmed by Electrical or Gas heating.

Indirect Water Heaters

If you live in an old home you may want to install an indirect or combination water heater, as the most efficient system. This system draws energy from the boiler not requiring its own heat source. Hot boiler water flows through an internal heat system in the tank to heat the water. If the tank is well insulated, this can be the cheapest way to provide hot water.

Pros are:

  • Saves money and is the cheapest way to provide hot water.
  • Water is always hot.

Cons are:

  • You will need a boiler to do this.

Water Heater Expansion Tanks

The expansion tank is usually installed above the water heater on the cold water pipe. The size that you require will depend on your water heaters’ size and the size of your family. Expert plumbers can help you to work out which expansion tank is right for your home. The tank is best installed when you are installing a new water heater. They also have PVC venting.

Pros are:

  • It prevents any dripping or running taps, including the toilets, keeping the pressure from reaching your home’s fixtures and causing damage.
  • No hot water waste occurs due to backflowing leaks.
  • It protects your new water heater from pressure changes that can damage the heater and pipes.
  • There are separate expansion tanks available for water systems, boilers, and radiant heat systems, so ask your plumber about them.

Cons are:

  • The initial setup may be expensive.
  • In some areas, you may need an Acid -resistant coating.

Combination Boilers

Or combi boilers can combine domestic hot water and central heating. When your domestic hot water is used for heating it pumps the water to the heating circuit. When you are using the DHW (domestic hot water), the powers are diverted away from the boiler and back to heating DHW.

Pros are:

  • They can be used in a large block of apartments to heat everyone’s water.
  • They are cheaper to install as less space is required.
  • They require less space overall.
  • They are extremely popular in Europe and cold climates

Cons are:

  • They have a lot of moving parts for when things go wrong.
  • Water flow rates can be poor.

Gas Hybrid Water Heater

This uses a modulating infrared burner triggered usually by a thermostat or water flow.

A heat exchanger drives down the heat and recycles it for efficiency. When not much water is required the hybrid behaves like a tank heater. It is equipped with some storage capacity. The small volume minimizes fuel usage. They can be installed with a reticulation pump.

Pros are:

  • They are cheap to install
  • Good for a one or two-person household

Cons are:


Whatever your hot water needs hot water systems Perth has the answer to your questions and skilled engineers will be available both to advise and to quote before installing your new system.

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