![Page 1: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/1.jpg)
DESIGNING WITH HEAT
PUMP WATER HEATERS
By GARY KLEIN AND
SEAN ARMSTRONG
[email protected] 707.826.1450
[email protected] 916.549.70801
![Page 2: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/2.jpg)
THE SOUTH LEADS IN BUILDING ELECTRIC HOT WATER SYSTEM IN MULTAMILY
HOUSING TO SAVE INFRASTRUCTURE CONSTRUCTION COSTS
![Page 3: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/3.jpg)
ARCATA, CA LED WITH THE FIRST 100%
SOLAR OFFSET APARTMENT COMPLEX
(2012) AND USED HEAT PUMP HOT WATER
![Page 4: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/4.jpg)
HEAT PUMP WATER HEATER MANUFACTURERS
(ALSO SOLD UNDER OTHER BRAND NAMES)
![Page 5: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/5.jpg)
MULTIFAMILY ZNE RESEARCH SITES
FOR HEAT PUMP HOT WATER STUDY
![Page 6: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/6.jpg)
WHOLE HOUSE VARIABILITY IS HIGH, YET BOTH LOWEST
CONSUMPTION AND AVERAGE CONSUMPTION INCREASE
BY ONLY 1 KWH/PERSON
![Page 7: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/7.jpg)
IN ENERGY STAR CERTIFIED APARTMENTS IN
CALIFORNIA, DHW IS THE LARGEST LOAD
![Page 8: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/8.jpg)
DHW ENERGY USE IS FLAT FOR 2-5 OCCUPANTS;
RESISTANCE CAN BE AVOIDED WITH HOTTER STORAGE
(E.G. 135F), MORE VOLUME (E.G. 65-80 GALLONS)
![Page 9: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/9.jpg)
RESISTANCE ENERGY IS USED TO MEET
PEAK LOADS TWICE A DAY
![Page 10: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/10.jpg)
Heat
Pump
CENTRAL HOT WATER SYSTEMS USE
TWICE AS MUCH ENERGY
(BOTH GAS AND ELECTRIC)
![Page 11: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/11.jpg)
Calistoga Family ApartmentsFunded by Tax Credits, USDA 514 and CUAC Utility
Allowances. Central HVAC/DHW Hydronic systems
double energy use.
CENTRAL HOT WATER SYSTEMS USE
TWICE AS MUCH ENERGY
(BOTH GAS AND ELECTRIC)
![Page 12: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/12.jpg)
EPIC Central Heat Pump
DemonstrationEdwina Benner Plaza, Sunnyvale, CA
Edwina Benner Plaza, Sunnyvale, CA
CENTRAL HOT WATER SYSTEMS USE TWICE AS MUCH ENERGY
(BOTH GAS AND ELECTRIC)
![Page 13: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/13.jpg)
CENTRAL HOT WATER SYSTEMS USE TWICE AS MUCH ENERGY
(BOTH GAS AND ELECTRIC)
![Page 14: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/14.jpg)
CENTRAL BOILER TO HEAT PUMP RETROFIT
ENERGY SAVINGS
![Page 15: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/15.jpg)
HEAT PUMPS FOR POOLS
King Station Apts, King CityFunded by Tax Credits, USDA 515
Belle Vista Apts, LakeportFunded by Tax Credits, USDA 515
![Page 16: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/16.jpg)
ZERO NET CARBON MULTIFAMILY IS GETTING TALLER
WITH 80 GALLON HEAT PUMPS IN HALLWAY CLOSETS
SUPPORTING 2 APARTMENTS
Coliseum Place in Oakland, by RCD Hillandale Gateway in DC, by Duffie Inc.
![Page 17: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/17.jpg)
GO LOW STEP 1: 80 GALLON HEAT PUMPS IN HALLWAY CLOSETS;
3/8” AND ½” COPPER FROM MANIFOLDS SUPPORTING 1-2 FIXTURES;
MINIMAL BENDS, 26+ PSI MAINTAINED
![Page 18: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/18.jpg)
CAN LESS FASTER HOT WATER DELIVERY
REDUCE BEHAVIORAL WASTE?
![Page 19: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/19.jpg)
STRUCTURAL AND BEHAVIORAL WASTE ARE
ROUGHLY EQUALLY RESPONSIBLE FOR
WASTING 25+% OF SHOWER DHW
![Page 20: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/20.jpg)
GO LOW STEP 2: A THERMOSTATIC VALVE
TO HALT BEHAVIORAL WASTE AND LOCK
IN STRUCTURAL WASTE SAVINGS
![Page 21: DESIGNING WITH HEAT PUMP WATER HEATERS with... · 2019. 6. 24. · DESIGNING WITH HEAT PUMP WATER HEATERS By GARY KLEIN AND SEAN ARMSTRONG sean@redwoodenergy.tech 707.826.1450 gary@garykleinassociates.com](https://reader036.vdocuments.us/reader036/viewer/2022081621/611dbb78e043207a536016b3/html5/thumbnails/21.jpg)
GO LOW STEP 3: A VARIETY OF 1.5 GPM
SHOWERHEADS ARE FAVORABLY REVIEWED,
2.0 GPM FOR RAIN HEADS