[Bldg-sim] small heatpump product for service hot water & cooling

[Chris Yates via Bldg-sim]

Joe
I want your workshop :)
Chris

Sent from my Android device. Please excuse typos, etc.
On 3 Aug 2016 19:42, "joe breskin" <joe.breskin at gmail.com> wrote:

> I have been working on this problem for the past 4 years and have one
> built one commercial-scale working prototype so far, that is cooling a 20'
> cold storage box and a heating 3,000 sf heated soil greenhouse on a
> truck-farm in Port Townsend with a single 24,000 BTU heat pump that I made
> from the guts of a window mount air conditioner unit running on R-410a. I
> have 1000 gallons of storage in the circulation water system and millions
> of BTUs stored in 4000 cubic feet of heated soil above the insulation.
>
> Welded plate heat stainless steel exchangers suitable for the high working
> pressures of R-410a systems are finally becoming available, which should
> dramatically simplify the construction of my next system.
>
> Joe Breskin
>
> On Wed, Aug 3, 2016 at 10:06 AM, Morgan Heater via Bldg-sim <
> bldg-sim at lists.onebuilding.org> wrote:
>
>> VRF products can perform the same function for less than ½ the energy
>> use, and for significantly less capital cost.
>>
>>
>> Morgan Heater, P.E.  | Mechanical Engineer
>> Ecotope, Inc. | 4056 9th Ave NE | Seattle, WA 98105
>> 206.322.3753| Direct 206.596.4709
>> www.ecotope.com<http://www.ecotope.com/>
>> [cid:image001.png at 01D1ED6E.B0A7AFA0]
>>
>>
>> From: Bldg-sim [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf
>> Of Chris Yates via Bldg-sim
>> Sent: August-01-16 7:39 AM
>> To: BldgSim Mailing List
>> Subject: [Bldg-sim] small heatpump product for service hot water & cooling
>>
>> Dear building-sim,
>>
>> We are considering providing service hot water and cooling requirements
>> for apartments in a residential tower via small water source heat pumps in
>> each apartment. Heat rejection would be provided by infrastructure
>> comprising of a cooling tower and possibly some thermal storage.
>>
>> One appeal of this would be billing. There wouldn't need to be seperate
>> billing for cooling, shw and electric. But usage would still be linked to
>> cost. It would also make things look a lot cleaner (no "window shakers"!).
>>
>> Does anybody on this list know of any examples of water source heat pump
>> products that might suit this purpose? Water to water (serving fan coil
>> terminals in the apartment) or water to air might be considered.
>>
>> Best regards
>>
>> Chris Yates
>>
>>
>>
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