2016 Year in Review: Local Pool Heating
In 2016, we saw an increase in solar electric systems taking up space on roofs. We have even been asked by customers to remove their solar pool heating to make way for a PV solar electric system as they have been told they will save money with a PV system. While we are happy to do this, it will result in a cooler pool for the client, shortening their swimming season.
A customer who already has pool heating is aware that they are able to use their pool more often when it is heated. Solar is still the most cost-effective way to heat a pool, as the heating is free from the sun. All other heating requires an external energy source.
The NSW feed-in tariff for electricity generated by households from PV systems started out at 60 c/kWh in October 2010, then dropped to 20 c/kWh in April 2011. It will drop again to just 6 c/kWh from 1 January 2017. Estimates suggest that about 160,000 homes currently benefit from these schemes; however, these estimates cannot determine how many of these homes have pools.
To keep our clients’ pools warm while capitalising on feed-in tariffs, we have been able to offer two options: installing solar pool heating around the PV solar electric system, or using an inverter heat pump, which is about 50% more energy efficient than a standard heat pump. The inverter heat pump’s high COP (coefficient of power) gives the efficiency, which in turn reduces the running cost. The cost of the inverter heat pump is more than a standard unit, but the ongoing savings from the lower running costs will recoup this outlay.
The use of an inverter plus a heat pump will be a cost-effective way to heat pools when there is not enough roof space for both pool heating and PV solar electric systems.
We have found that since using the 14-tube Nanotek Extreme Solar system, we can often achieve the desired pool temperatures using available space around the PV solar electric system. Customers are more likely to be open to using a heat pump when they are getting free electricity from the sun via their PV solar electric system. This allows the customer to heat their pool while producing electricity — a win-win solution.
Phone: 1300 724 132
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