Heat pump water heaters use the heat of the surrounding air to heat the water in the storage tank. They work on the same principle as reverse cycle air conditioners, extracting heat from the air by using refrigerant gas, which is then pressurized in a compressor. The pressurized refrigerant transfers the heat to the water in the storage tank (such as a heat exchanger). Next, the heat pump water heater supplier will share the following content with you.
The amount of heat transferred to the water in the storage tank depends on the temperature of the surrounding air. For most homes, a heat pump water heater is worth considering. It can provide additional economic and environmental benefits if your home's solar PV system generates more electricity than your family needs during the day.Make sure the heat pump you choose performs well in your local climate.
A heat pump water heater uses much less electricity than a storage water heater. This is because it uses electricity only to drive the compressor and fan, instead of using electricity to heat the water directly, it uses an electric element.
Air Source Vortex Type Heat Pump Water Heater
A storage heater that is too small will constantly run out of hot water, while a storage heater that is too large will be more expensive to run because it will keep the water warm even when it is not being used.
Similarly, a continuous flow system that is too small may not be able to meet your hot water needs when multiple hot water outlets are used at the same time. Your water heater supplier will be able to help you choose the right size system.
Storage water heaters are sized according to the size of your home. The more people you have, the larger your storage tank will need to be.
The size of a continuous flow or instantaneous system depends on the number of hot water outlets in your home, not the number of people.
Solar water heaters are sized based on the number of people in the home. The more people there are, the larger the storage tank and the more solar collectors you will need.
Whatever type of hot water system you choose, simple installation tips will help you save energy and money.
Consult with your water heating system specialist to choose the size and type of water heating system to meet your situation and needs, including home size, climate and roof type.
For instantaneous systems, choose electronic ignition rather than a continuous pilot light to reduce gas consumption.
Install the system near the outlet where you will use it, such as near kitchens, bathrooms and laundry rooms. Keeping the length of connecting pipes as short as possible will minimize heat loss.
Insulate all piping with closed-cell rubber to reduce heat loss.
Ensure that all piping is performed by a licensed plumber and that a certificate of compliance is required.
Ensure that all electrical work to install electric heating elements and pumps is carried out by a registered electrical contractor and request an electrical safety certificate (Victoria Energy Safety website).
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