The car radiators that have built in electric fans can be very effective air to water heat exchangers and might be worthwhile trying as.
Attic heat exchanger for pool.
Turn excess attic heat into hotwater.
It would make the attic much cooler than a fan and radiator and would likely be more efficient.
Attic heat costs you thousands avi duration.
Since this is a summer demand it seems like there is some potential here.
Solar pool heating is taken to the next level with the new fourth generation solar pool heater that eliminates roof mounted solar panels and cools your home as it heats your pool.
The main drawback i see with this idea is that heat may not be required when the attic is hot and visa versa.
In the summertime the temperature.
Solarattic solar pool heater model pcs3 provides solar pool heating without the use of solar roof panels by using the attic and roof as the solar pool heating heat collector and a heat exchanger is placed inside the attic to transfer this free solar heat energy into the swimming pool.
As a bi product the exchanger is blowing air conditioning into your home cooling it down.
There is at least one commercial pool heating solution that uses an air to water heat exchanger in the attic to provide pool heating.
I think since you will save heating your pool they justify charging such a high price for the attic heat exchanger.
Heat exchanger for solar hot water tank.
Best energy saving free hot water and free pool heater air conditioner heat exchangers.
Simply stated a solarattic pool heater is a heat exchanger mounted in or near your attic or garage that takes the heat from your attic or garage to heat your pool.
Yet the attic heat exchanger is priced higher than a heatpump that includes a compressor the most expensive part in the heatpump.
The unit is basically a heat exchanger and a fan.
A second heat exchanger would likely be required to keep pool water from corroding the heat pump.
Solarattic sells a system the pool convection system 2 that sucks hot air out of the attic of your house and pumps it into a heat exchanger to heat your pool.
This solar pool heater cools the home as it heats the pool.