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The best way to save on electricity bills - Most people don't know about


Heat pumps save water heating costs

The biggest proportion of your monthly electricity bills go towards heating water and your stove.  In terms of total cost not much can be done to the running cost of your stove. Even if you switch to gas you are still paying a lot.  However, heating up water has alternatives.  Solar panels are not always the solution but they do help to reduce energy bills, the problem is if you have a lot of people in the house you might run out of hot water very quickly on a cloudy day.

Heat pumps use heat from the environment to heat up the water.  Just like solar panels use sunlight energy. The only electricity used is to pump the water through the system and run the fan for the heat exchanger. So there are no tanks or elements like those used in geysers.

How does a heat pump actually work

The fan of the heat pump circulates air through the outer evaporator that acts as a heat collector. The liquid refrigerant in the evaporator absorbs the available heat in the ambient air, transforming it into refrigerant. The refrigerant is then pumped into a compressor. When this warmed refrigerant is compressed, it intensifies or concentrates the heat, similar to a magnifying glass to the sun.

This intensely hot refrigerant is then pumped into a heat exchanger condenser where the actual heat transfer takes place.  As the water passes through the heat exchanger, the hot gas gives up its heat to the cooler water. The refrigerant returns to a liquid state and is pumped through an expansion valve and then into and evaporator air coil, which starts the process all over again.

The reason why heat pumps are the most efficient systems to save on energy is because they utilize the solar heat stored in the environment. This free environmental energy provides approximately 75% of the heat pumps heating energy and only approximately 25% of external energy is required in the form off electricity in order to achieve a heat output of 100%

Water boilers


Metro tiles are ideal for a kitchen splashback
 

Solid glass for kitchen splashbacks
 

Splashbacks with printed images

January 27, 2017 Antonius Lecuona

