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Solar Hot water versus Air to Water heat Pump

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Calvin

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Solar Hot water versus Air to Water heat Pump
« on: April 15, 2020, 02:19:23 PM »
Hello everyone..
I'm looking for advice..
I am building a new house and I am planning to install a combi air/water heat pump with integrated hot water tank to heat domestic hot water and underfloor heating. I am aware that these systems have a coefficient of efficiency of about 3:1 but the tank is relatively small at 260 litres.
I will need to install a second hot water tank for the odd day when the 260 litres won't be enough.
Would anyone advise me to install a solar hot water system or just a standby electrical secondary tank.
Does anyone have any other ideas for my system? Would electric under floor heating (expensive to run) and DHW heated only by solar be a better idea?
I would much appreciate your input
Many thanks

IrinaGrant

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Re: Solar Hot water versus Air to Water heat Pump
« Reply #1 on: April 25, 2020, 10:40:36 AM »
I am not sure you can use solar for heating floor, I think, only for heating water for washing dishes and bathing.

CreativeHeat

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Re: Solar Hot water versus Air to Water heat Pump
« Reply #2 on: August 13, 2020, 10:51:24 AM »
Hi,

We are Creative Heat Ltd, a relatively new start up looking at targeting off grid home owners and the like who are on the search for a low power hot water system.

Our revolutionary new technology has the capability to give year round hot water at a fraction of the cost of our competitors due to the utilisation of its 24v nature. It can be powered by any viable renewable energy source.

To give an example, a 120L cylinder when full of cold mains water would only require 450W to get up to temperature when working at full power. Once fully up to temperature, our patented technology only heats the cold water that is then introduced to the tank (this requires approx 150W). If you were to have one shower in the morning and one at night, you would only require 4.2kW a day. By the start of the next day you would have 120L of hot water (the whole cylinder would be 63C with possibility to reach 80C) ready to use again.

If you are interested in finding out more please check out our website at www.creative-heat.com.

Kind Regards,
The Creative Heat team

 

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