In message , Robin
writes
On 05/04/2021 13:28, Paul wrote:
Robin wrote:
On 04/04/2021 20:40, Tim Lamb wrote:
In message , Theo snip
Water source is best, if you have a lake or river available.

I have a river:-)
* I suspect the EA may object to me extracting heat from it.
Actually warmer than spring fed due to upstream sewage treatment.



I don't see why in principle given it's being done up and down the
country by various councils.
https://www.greenmatch.co.uk/heat-pu...urce-heat-pump
* "Depending on the type of heat pump, either the water from a
river
** or small stream is pumped through the heat pump, or a special
** refrigerant fluid is pumped through pipes laid in the body of water.
** While both have their own advantages, the latter type requires
** less maintenance and an easier application process, making it
** a cheaper option."
* "Environmental Legislation to Keep in Mind
** Specific environmental regulations and considerations must be
addressed
** before installing water source heat pumps. Open-loop systems alter the
** temperature of groundwater, while thermal plumes affect hydrochemistry
** and bacteriology.
** Depending on the type of system you wish to install, licenses
may be
** required. For example, hydrogeology and thermal properties have to be
** investigated, and they require a license to examine groundwater and
** an abstraction license (permission of diverting surface or groundwater)
** which can be obtained from the Environment Authority."
That last paragraph, can be a bitch.


True. As so often, no pain = no gain But I thought (perhaps
wrongly) that Tim was already familiar with abstraction licences. And
there are some simplifications for systems for single domestic
properties. See under "Surface water open-loop heat pump systems for a
single domestic property" at
https://www.gov.uk/guidance/open-loo...ermits-consent
s-and-licences#standard-rules-permits-for-surface-water-systems

I have not looked at this for some years. Any application here would be
for space heating barns used for light industrial purposes.

My current tenants work mainly offsite and manage with localised heating
for gluing/painting jobs.

Come 2025 when such buildings have to meet a standard of insulation not
required for agriculture, fans and sh1t will meet:-(



--
Tim Lamb