heating a swimming pool

[Gavin A]

If you're going to heat the pool from solar water heating, you defo need to implement it better than the house we've been working on today to reduce their £5k+ a year gas and electric bills.

they've got about 160 tubes of solar water heating installed, but ground mounted, east facing under a load of trees, and installed to the wrong side of the main pool heating unit, with the pump controller set up to run the pump at full power only, and in such a way that the pump was running virtually continuously and actually extracting heat from the pool water as far as I could work out.

 

[Glen Powell]

Holy SHHHHHHH, you get my drift.

Who the hell installed that, that is a real problem and tubes probably shot to hell as heat exchange would not call for power this is why solar themal is given a bad name

 

[Glen Powell]

sorry read it again and realised the tubes are fine as the pump was always on, if you quoting to fix this job and not into solar thermal I can advise, if you solar thermal qualified which you seem to have a grasp of I am sure you know how to fix this.

 

[Energetic]

Energetic, you need to be on Linkedin really as you seem to be banging out the commercial aspect of everything (no dig or offence intended) obviously commecial aspect of RHI is beneficial to your business as it is to others on the forum.

None taken. The commercial RHI is currently the only RHI, that's the point really. A tech that attracts RHI will likely have a better return than one that doesn't. Clearly there's more to it than that but it's a general assumption.

I'm on linked in but pretty dormant, have found the forum more use in the past but seem to have a bit more time on my hands lately. I'll try to find you, see if you recognise me...

 

[The Solar King]

Solar thermal properly configured is the best option. There are a number of considerations that need to be taken into account to do this successfully. The swimming pool module in Tsol Pro is very helpful in this configuration.

A heat pump may not be the best auxiliary heat source to be used in conjunction if it is only going to heat the pool. Ground source is often a far better bet that air source.

If it is a private ppool, integration with domestic heating should also be considered.

With regard to the east facing panels mentioned, if correctly sized this can be perfectly acceptable for solar thermal as can a degree of over shading. Thermal is not as prone to these issues as PV. Such configurations can be very successful if done correctly. (sounds like this one may not be).

 

[Gavin A]

yeah, we have east facing solar thermal on our house, so I'm aware it can work, just here when ground mounted, I reckon it's only getting around 4-5 hours of direct sunlight a day at most. and the front array will shade half the back array for much of the year as well.

I might have to take a picture.

 

[yau]

Holy SHHHHHHH, you get my drift.

Who the hell installed that, that is a real problem and tubes probably shot to hell as heat exchange would not call for power this is why solar themal is given a bad name

You all sound very expert. please help me. when we bought the house it come with an indoor poor in a seperated wooden building.3.3m x 8.8 m x 1.5m. Now using night time electric tarrif to heart with a 14KW pool heater.
It still costing me arm and leg to heat it up and therfore very little use.


I am thinking to get cheeper heating system either Air Source heat pump or solar. i gett so confuse. keep getting different opinion. Can i get glazed solar panel or un-glazed is good enough? I am in Surrey UK. Or should i use heat pump? Which make of ASHP is good?


Thanks for helping

 

[Glen Powell]

First question, do you want to use it every day all year round or does it tend to be seasonal, there will be a load more questions to determine the correct technology.

Cheers

Glen

 

[yau]

Thanks Glen

I would like to use it all year round but it will be too expensive. Even with the wooden building and a geothermal cover, I think it will be too expensive to keep it 28 to 29 'c. So I.m planing to use it May to October. The wooden building roof is south facing but two tal, tree shard it a bit from sun. I check yesterday it should get direct sunlight 10 am to 6pm.

I calculated, may be wrong, the 14 kw heater will cost me £6 to £8 per night (11pm to 7am)and will only increase 2 degree. Therefore I looking for cheaper way.

Thanks advance for the advice

Regards
yau

 

[Glen Powell]

Hello with you looking at seasonal heating it makes life easier for recommendations, do you have enough space either on a roof or on the ground circa 8 to 10m by 2m,

Othere Questions

- What is heating the pool at the moment
- Does your heating system have inbuilt heat exchanger or seperate
- how far is the plant room from the pool / roof / suitable ground area
- How are you heating the pool house and to what temperature
- Do you have any idea of what the heat loss is in the building
- Is the pool chlorinated / Salted / natural water
- Where in the country are you
- would you be able to send pictures of the various areas mentioned Plant in plant room / roof area / pool house itself.

It is a straight forward job and I beleive swimming pool installations can be easier than domestic heating installs, I will be able to assess and give you a ballpark idea of costs of installation, although it is more expensive than a boiler I think it is possible to get return in investment quite quickly compared to other systems.

Cheers

 

[The Solar King]

Lots of air source pumps available for summer heating season. Just Google Swimming Pool Heat Pump. Be sceptical of COP figures. They all assume a constant ambient air temperature of 15deg C, not something you get all day every day April to September.

 

[yau]

Hello with you looking at seasonal heating it makes life easier for recommendations, do you have enough space either on a roof or on the ground circa 8 to 10m by 2m,

Othere Questions

- What is heating the pool at the moment
- Does your heating system have inbuilt heat exchanger or seperate
- how far is the plant room from the pool / roof / suitable ground area
- How are you heating the pool house and to what temperature
- Do you have any idea of what the heat loss is in the building
- Is the pool chlorinated / Salted / natural water
- Where in the country are you
- would you be able to send pictures of the various areas mentioned Plant in plant room / roof area / pool house itself.

It is a straight forward job and I beleive swimming pool installations can be easier than domestic heating installs, I will be able to assess and give you a ballpark idea of costs of installation, although it is more expensive than a boiler I think it is possible to get return in investment quite quickly compared to other systems.

Cheers

Hi Glen

Thank for the reply and help

Yes the part of the roof which facing south is about 6m x 8m.
the heating at the moment is Thermalec electric heater 14KW.
The system now have no heat exchanger, the water pump through the heater.
The plant room is next to the building, the food is about 2 m hight
the pool house is not heated, temperature now is about 15.c summer time is about 20 to 28'c
heat loss of the building is high, the building is a wooden lodge with double glaze window.
The pool is bromineated not chlorine
I am England, London
Yes i can send you picture, what is your email acc pls

many thanks

 

[Graeme Harrold]

I had an e-mail from this lot earlier in the week www.powernation.co.uk