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

Fri Aug 5 02:06:04 PDT 2016

As interesting as the thread branches are (I have greenhouse envy)...
getting back on topic: commodity products that can be assembled to serve a
group of apartments via a water source, doing cooling and hot water with
the most simple billing possible (i.e. an electric bill).

The Waterfurnace and Climatemaster products appear a good fit.

We're also considering VRF (something like the mitsubishi WR2), but this
might complicate the billing because the systems are too big for smaller
apartments.

Thank you for your help

Chris

On Thu, Aug 4, 2016 at 7:39 PM, <Nicholas.Caton at schneider-electric.com>
wrote:

> Pictures would be very much appreciated =)!
>
>
>
> I’m guessing something like this is in mind  for your next iteration:
>
> http://www.kelvion.com/us/products/plate-heat-
> exchangers/brazed-plate-heat-exchangers/gbh-series/
>
>
>
> In its current place… are you simply submerging the business ends of the
> heatpump into piped beer coolers?  Is there an aquarium involved??  If
> you’ve integrated a tropical fish tank I’m going to fall outta my chair…
>
>
>
> ~Nick
>
> *Nick Caton, P.E.*
>
>   Senior Energy Engineer
>   Energy and Sustainability Services
>   Schneider Electric
>
> D  913.564.6361
> M  785.410.3317
> E  nicholas.caton at schneider-electric.com
> F  913.564.6380
>
> 15200 Santa Fe Trail Drive
> Suite 204
> Lenexa, KS 66219
> United States
>
> [image: cid:image001.png at 01D189AB.58634A10]
>
>
>
>
>
> *From:* Bldg-sim [mailto:bldg-sim-bounces at lists.onebuilding.org] *On
> Behalf Of *Chris Yates via Bldg-sim
> *Sent:* Wednesday, August 03, 2016 2:45 PM
> *To:* joe breskin
> *Cc:* bldg-sim at lists.onebuilding.org
> *Subject:* Re: [Bldg-sim] small heatpump product for service hot water
> &cooling
>
>
>
> 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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