HVAC ROUNDUP - PHIUSCourtland Place-Seattle Ventilation & Heat • Continuous Balanced ventilation with energy recovery • Ultimate Air RecoupAerator • Fresh air supply to each

HVAC ROUNDUP

DAN WHITMORE AND SKYLAR SWINFORD

Hammer and Hand Inc.

Court land Place-Seatt le

•  2 ½ storey house w/ADU

•  1895 SF TFA •  Designed 2008


Court land Place-Seatt le Ventilation & Heat •  Continuous Balanced ventilation with

energy recovery

•  Ultimate Air RecoupAerator

•  Fresh air supply to each living space

•  Exhaust air from each bathroom, kitchen and mechanical

•  Less than 6,000 BTUs/hour needed to maintain 68 Deg F throughout the Winter

•  Water-to-Air hear exchanger •  Supplemental electric resistance (2)

•  T h e E a r l y Ye a r s : G a r b a g e B a g C o m m i s s i o n i n g

•  I n d o o r A i r D i s t r i b u t i o n : M i x i n g a n d

U n i f o r m i t y ( D o N o t I g n o r e S t r a t i f i c a t i o n )

•  A i r - t o - Wa t e r c o i l v s S l a b H y d r o n i c H e a t

•  T h e B a l a n c e r ’ s D i l e m m a : H e a t i n g L o a d v s Ve n t i l a t i o n L o a d


Madrona PH-Seatt le

Madrona PH-Seatt le

ZONE 1

ZONE 2

ZONE 3

6 kW Sauna?

Madrona PH-Seatt le

Sanden CO2 Heat Pump


Output Capacity (BTU/hr)

13,648

12,283

13,648

13,989

15,695

Madrona PH-Seatt le

On-demand Electric Back-up

Heat exchanger to radiant

heating system


Glasswood Bui ld ing





Pumpkin Ridge PH

Pumpkin Ridge PH– Hi l lsboro



October


Overhang Annual Analysis (Direct Sunl ight)

67%

Pumpkin Ridge PH

172 SF


PHPP Peak Heating Load @ Design Temp

7,418 BTU/hr Main Level South Glass= 172 SF SHGC = 0.50 October Direct Sun: ≈ 70% 172 X 0.50 X 0.70 X 300 BTU/hr. =

18,060 BTU/hr Result : 2.4 x Peak Heating Load


WeatherSpark Sept-Nov 2012

80°F-90°F

60°F-80°F

9/6=93°F 9/6=85°F 10/7=78°F 11/4=68°F


WeatherSpark Sept-Nov 2013

80°F-90°F

60°F-80°F

9/11=97°F 10/21=78°F 11/10=68°F 10/6=78°F


ZONE 1

ZONE 2

I n p e r f e c t w o r l d u p s t a i r s a n d d o w n s t a i r s z o n e a n d S a n d e n f o r D H W .


IMAGINENERGY2409 N KERBY AVENUEPORTLAND, OR 97227P 503.477.9585 F 503.477.8340

[email protected]

CCB #: 167963WA LIC #: IMAGIEL934PT

FARRIS RESIDENCE

BRYAN AND STEPHANIE FARRIS30680 NW REDHAWK ROADNORTH PLAINS, OR 97133

H 503.447.1123

PROJECT DESCRIPTION

HVAC SYSTEM DESIGNPROJECT ADDRESS

CONTACT INFORMATION

DRAWN BY DRAWN ON

REVISION DATEREASON INITIALS

SCALESHEET NUMBER TOTAL SHEETS

JONATHAN COHEN

MECHANICAL PLAN4/29/13

N/A1 1

HVA

C D

UC

TING

LAYOU

T

VENTILATIO

N +

CO

NTRO

LS SCH

EMATIC

BASEM

ENT SEC

TION

A-A

Ventilation Return Trunk, 8" x 16"from

each bath

AA

Main Floor HVAC Cold Air Return

Lower Floor HVAC Cold Air Return

Mitsubishi

SEZ-KD15NAAir Handler

ZehnderCom

fo 350HRV

HVAC Supply Air

Ventilation Return from bathroom

s

stale air exhaust

fresh air intake

Mitsubishi

SUZ-KD15NAoutdoor unit

wireless receiver

refrigerant linesetand 240VAC 15A circuit

240VAC 20Acircuit withdisconnect

MHK wireless therm

ostatm

ounted in lower hallZehnder wired rem

ote(m

ounted in kitchen)

14

3T

Zehnder wireless remote

(mounted in each bath)

240VAC 15Acircuit

Heating/Cooling/Ventilation Supply Trunk, 8" x 16"boots down for lower floor, up for m

ain floor

MAIN FLOOR

LOWER FLOOR

HVAC SUPPLYVENTILATION RETURNCOLD AIR RETURNFRESH AIR SUPPLY

typical branch 8" sheet m

etal round

Air handler

HRV

7" intake/exhaust10' apart m

inimum

typical diffuserfloor or low wall m

ountedShoem

aker 950 series

typical diffuserceiling m

ountedShoem

aker 950 series

typical trunk 8" x 16" sheetm

etal rectangular

DESIGN NOTES:Target exhaust design flows based PHPP airflow rate of 165 cfm

: Kitchen 40cfm Bathroom

s 28cfm x4

Laundry 14cfm

Zehnder ComfoAir 350: M

ax capacity 218 cfmPHPP Design Air Flow Rate: 165 cfmPHPP Standard Flow Rate (0.30 ACH): 127 cfm

ASHRAE 62.2-2013 Ventilation Rate (w/ Infiltration Credit) 131 cfmASHRAE 62.2-2010 (Table 4.1)/ 2011 ORSC Ventilation Rate (Table TABLE 1101.1(3)) 90 cfm

IMA

GIN

ENER

GY

2409

N K

ERB

Y A

VEN

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PORT

LAN

D, O

R 97

227

P 50

3.47

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503

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AG

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B #

: 167

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680

NW

RED

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INS,

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TS

JON

ATH

AN

CO

HEN

MEC

HA

NIC

AL

PLA

N4/

29/1

3

N/A

11

HVAC DUCTING LAYOUT

VENTILATION + CONTROLS SCHEMATICBASEMENT SECTION A-A

Ventilation Return Trunk, 8" x 16"from each bath

A

A



MitsubishiSEZ-KD15NA

Air Handler

ZehnderComfo 350

HRV

HVAC Supply Air

Ventilation Return from bathrooms

stale air exhaust

fresh air intake

MitsubishiSUZ-KD15NAoutdoor unit

wireless receiver



MHK wireless thermostatmounted in lower hall

Zehnder wired remote(mounted in kitchen)

1 43 T

Zehnder wireless remote(mounted in each bath)

240VAC 15Acircuit

Heating/Cooling/Ventilation Supply Trunk, 8" x 16"boots down for lower floor, up for main floor

MAIN FLOORLOWER FLOOR


typical branch 8" sheet metal round

Air handler

HRV

7" intake/exhaust10' apart minimum

typical diffuserfloor or low wall mounted

Shoemaker 950 series

typical diffuserceiling mountedShoemaker 950 series

typical trunk 8" x 16" sheetmetal rectangular

DESIGN NOTES:Target exhaust design flows based PHPP airflow rate of 165 cfm: Kitchen 40cfm Bathrooms 28cfm x4Laundry 14cfm

Zehnder ComfoAir 350: Max capacity 218 cfmPHPP Design Air Flow Rate: 165 cfmPHPP Standard Flow Rate (0.30 ACH): 127 cfm



Lower Level HVAC

IMA

GIN

ENER

GY

2409

N K

ERB

Y A

VEN

UE

PORT

LAN

D, O

R 97

227

P 50

3.47

7.95

85 F

503

.477

.834

0

INFO

@IM

AG

INEE

NER

GY.

NET

CC

B #

: 167

963

WA

LIC

#:

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L934

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FAR

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IDEN

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BRY

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D S

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NW

RED

HA

WK

RO

AD

NO

RTH

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INS,

OR

9713

3

H 5

03.4

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123

PRO

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T D

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HVA

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M D

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NPR

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CT

AD

DRE

SS

CO

NTA

CT

INFO

RMA

TIO

N

DRA

WN

BY

DRA

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ON

REVI

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ND

ATE

REA

SON

INIT

IALS

SCA

LESH

EET

NU

MB

ERTO

TAL

SHEE

TS

JON

ATH

AN

CO

HEN

MEC

HA

NIC

AL

PLA

N4/

29/1

3

N/A

11

HVAC DUCTING LAYOUT



A

A




Air Handler

ZehnderComfo 350

HRV

HVAC Supply Air


stale air exhaust

fresh air intake


wireless receiver





1 43 T


240VAC 15Acircuit





Air handler

HRV










[email protected]


FARRIS RESIDENCE


H 503.447.1123

PROJECT DESCRIPTION


CONTACT INFORMATION

DRAWN BY DRAWN ON



JONATHAN COHEN


N/A1 1

HVA

C D

UC

TING

LAYOU

T

VENTILATIO

N +

CO

NTRO

LS SCH

EMATIC

BASEM

ENT SEC

TION

A-A


each bath

AA



Mitsubishi


ZehnderCom

fo 350HRV

HVAC Supply Air


s

stale air exhaust

fresh air intake

Mitsubishi


wireless receiver



MHK wireless therm

ostatm


ote(m

ounted in kitchen)

14

3T



240VAC 15Acircuit


ain floor

MAIN FLOOR

LOWER FLOOR



etal round

Air handler

HRV


inimum


ountedShoem

aker 950 series


ountedShoem

aker 950 series


etal rectangular



s 28cfm x4

Laundry 14cfm




IMA

GIN

ENER

GY

2409

N K

ERB

Y A

VEN

UE

PORT

LAN

D, O

R 97

227

P 50

3.47

7.95

85 F

503

.477

.834

0

INFO

@IM

AG

INEE

NER

GY.

NET

CC

B #

: 167

963

WA

LIC

#:

IMA

GIE

L934

PT

FAR

RIS

RES

IDEN

CE

BRY

AN

AN

D S

TEPH

AN

IE F

ARR

IS30

680

NW

RED

HA

WK

RO

AD

NO

RTH

PLA

INS,

OR

9713

3

H 5

03.4

47.1

123

PRO

JEC

T D

ESC

RIPT

ION

HVA

C S

YSTE

M D

ESIG

NPR

OJE

CT

AD

DRE

SS

CO

NTA

CT

INFO

RMA

TIO

N

DRA

WN

BY

DRA

WN

ON

REVI

SIO

ND

ATE

REA

SON

INIT

IALS

SCA

LESH

EET

NU

MB

ERTO

TAL

SHEE

TS

JON

ATH

AN

CO

HEN

MEC

HA

NIC

AL

PLA

N4/

29/1

3

N/A

11

HVAC DUCTING LAYOUT



A

A




Air Handler

ZehnderComfo 350

HRV

HVAC Supply Air


stale air exhaust

fresh air intake


wireless receiver





1 43 T


240VAC 15Acircuit





Air handler

HRV










Main Level HVAC


[email protected]


FARRIS RESIDENCE


H 503.447.1123

PROJECT DESCRIPTION


CONTACT INFORMATION

DRAWN BY DRAWN ON



JONATHAN COHEN


N/A1 1

HVA

C D

UC

TING

LAYOU

T

VENTILATIO

N +

CO

NTRO

LS SCH

EMATIC

BASEM

ENT SEC

TION

A-A


each bath

AA



Mitsubishi


ZehnderCom

fo 350HRV

HVAC Supply Air


s

stale air exhaust

fresh air intake

Mitsubishi


wireless receiver



MHK wireless therm

ostatm


ote(m

ounted in kitchen)

14

3T



240VAC 15Acircuit


ain floor

MAIN FLOOR

LOWER FLOOR



etal round

Air handler

HRV


inimum


ountedShoem

aker 950 series


ountedShoem

aker 950 series


etal rectangular



s 28cfm x4

Laundry 14cfm





High Sidewall Supply

Pumpkin Ridge PH

Main Level Floor Distribution


H R V I m b a l a n c e ?






1122

604

0 200 400 600 800 1000 1200

PHPP BUDGET

ACTUAL

HeaBng kWh Ducted Mini-‐Split

300

1167

0 200 400 600 800 1000 1200 1400

PHPP BUDGET

ACTUAL

Cooling kWh Ducted Mini-‐Split


1422

1771

0 200 400 600 800 1000 1200 1400 1600 1800 2000

PHPP BUDGET

ACTUAL

Annual kWh Mini-‐Split

25%

Pumpkin Ridge PH – Hi l lsboro Vent i la t ion Rate-So Many Flavors

Passive House 127 cfm (0.30 ACH)

ASHRAE 62.2-2013 142 cfm (0.34 ACH)

ASHRAE 62.2-2010 72 cfm (0.17 ACH)

BSC 01-2013

72 cfm (0.17 ACH)

Based on PHPP Room Ventilation Volume (aTFA*8.2’)

Humidi f icat ion?

2009 ASHRAE Handbook - Fundamentals (IP) © 2009 ASHRAE, Inc.

WMO#: 726980

Lat: 45.59N Long: 122.60W Elev: 108 StdP: 14.64 Time Zone: -8.00 (NAP) Period: 82-06 WBAN: 24229

Annual Heating and Humidification Design Conditions

99.6% 99% DP HR MCDB DP HR MCDB WS MCDB WS MCDB MCWS PCWD

12 23.9 28.6 9.2 8.8 29.3 16.4 12.6 34.6 31.9 35.4 28.0 39.7 11.3 120Annual Cooling, Dehumidification, and Enthalpy Design Conditions

DB MCWB DB MCWB DB MCWB WB MCDB WB MCDB WB MCDB MCWS PCWD

8 22.0 91.2 67.5 87.1 66.5 83.4 65.3 69.4 87.0 67.8 84.5 66.1 81.2 10.5 310

DP HR MCDB DP HR MCDB DP HR MCDB Enth MCDB Enth MCDB Enth MCDB

62.9 86.1 75.2 61.4 81.6 73.1 60.1 77.8 71.3 33.4 87.4 32.0 84.5 30.7 81.1 1111Extreme Annual Design Conditions

1% 2.5% 5% Min Max Min Max Min Max Min Max Min Max Min Max

23.8 19.8 17.6 77.2 20.5 99.0 5.9 3.3 16.2 101.3 12.8 103.2 9.4 105.1 5.1 107.4Monthly Climatic Design Conditions

Annual Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov DecTavg 54.6 41.6 43.9 48.4 52.6 58.4 63.7 69.0 69.5 64.6 55.4 46.7 40.6Sd 5.73 5.92 4.57 5.33 6.12 5.58 5.44 4.63 5.29 5.35 5.99 6.18

HDD50 999 265 180 85 30 3 0 0 0 0 14 128 294HDD65 4222 726 591 515 373 222 90 19 9 71 300 550 756CDD50 2676 4 9 35 108 264 412 588 606 438 181 28 3CDD65 423 0 0 0 1 18 51 142 150 59 2 0 0CDH74 4314 0 0 0 35 262 598 1381 1365 632 41 0 0CDH80 1621 0 0 0 5 82 221 564 529 212 8 0 0

DB 59.0 62.5 69.4 78.5 87.7 93.7 97.5 95.8 91.3 79.3 63.4 57.8MCWB 54.7 52.3 54.7 60.2 66.0 68.4 69.9 69.1 65.7 60.7 58.7 54.6

DB 55.0 58.2 64.7 72.3 81.2 86.0 91.0 90.2 85.9 72.8 59.3 52.8MCWB 50.9 51.4 52.5 57.7 62.9 65.4 68.7 67.2 64.3 58.5 54.3 49.7

DB 52.2 55.2 60.5 67.5 75.4 81.0 86.1 85.9 81.4 68.7 57.0 50.5MCWB 48.6 49.1 50.4 54.8 60.4 63.8 66.9 66.4 63.4 57.1 53.0 47.5

DB 49.5 52.4 57.1 63.0 70.4 75.8 81.8 81.8 76.7 64.6 54.9 48.5MCWB 46.2 46.8 49.1 52.9 58.4 61.9 65.5 65.1 62.0 56.1 51.1 45.3

WB 55.5 56.3 56.8 62.4 68.2 69.4 72.6 71.1 68.5 63.9 59.4 54.6MCDB 58.4 59.2 66.3 74.9 86.1 89.1 91.6 89.5 85.4 75.2 62.4 57.2

WB 51.5 53.0 54.2 58.8 64.4 66.6 69.9 69.0 66.4 61.1 55.7 50.5MCDB 54.1 56.6 61.4 69.6 77.9 83.3 87.8 86.1 81.8 69.3 58.4 52.4

WB 49.1 50.1 52.1 56.4 61.9 64.5 67.9 67.4 64.7 59.1 53.8 48.2MCDB 51.7 54.0 58.0 65.3 73.1 78.7 84.4 83.8 78.1 65.3 56.3 50.2

WB 46.7 47.7 50.5 54.1 59.4 62.4 65.9 65.7 62.9 57.3 51.6 46.1MCDB 49.0 51.7 55.7 61.4 68.6 74.4 80.7 79.9 74.2 62.2 54.1 48.3

MDBR 9.9 13.6 15.7 16.8 17.9 18.9 21.3 22.0 21.4 16.4 10.8 9.2MCDBR 12.4 17.7 23.3 26.5 28.4 29.3 29.8 30.0 30.5 24.3 12.6 10.5MCWBR 9.0 10.9 12.9 13.5 13.3 12.3 11.9 11.3 11.9 11.7 8.4 8.1MCDBR 11.2 14.9 18.9 23.4 26.0 26.6 28.0 27.4 26.7 18.7 10.7 10.0MCWBR 9.0 10.4 11.5 12.5 12.7 11.9 11.8 10.9 11.3 10.3 8.1 8.4

0.296 0.309 0.324 0.356 0.371 0.368 0.364 0.358 0.349 0.330 0.315 0.2982.719 2.600 2.507 2.328 2.316 2.401 2.503 2.549 2.529 2.558 2.591 2.687267 281 289 287 284 285 285 283 277 268 253 25320 25 30 38 40 37 33 31 29 26 22 19

CDDn Cooling degree-days base n°F, °F-day Lat Latitude, ° Period Years used to calculate the design conditions CDHn Cooling degree-hours base n°F, °F-hour Long Longitude, ° Sd Standard deviation of daily average temperature, °F DB Dry bulb temperature, °F MCDB Mean coincident dry bulb temperature, °F StdP Standard pressure at station elevation, psi DP Dew point temperature, °F MCDBR Mean coincident dry bulb temp. range, °F taub Clear sky optical depth for beam irradiance Ebn,noon } Clear sky beam normal and diffuse hori- MCDP Mean coincident dew point temperature, °F taud Clear sky optical depth for diffuse irradiance Edh,noon } zontal irradiances at solar noon, Btu/h/ft2 MCWB Mean coincident wet bulb temperature, °F Tavg Average temperature, °F Elev Elevation, ft MCWBR Mean coincident wet bulb temp. range, °F Time Zone Hours ahead or behind UTC, and time zone code Enth Enthalpy, Btu/lb MCWS Mean coincident wind speed, mph WB Wet bulb temperature, °F HDDn Heating degree-days base n°F, °F-day MDBR Mean dry bulb temp. range, °F WBAN Weather Bureau Army Navy number Hours 8/4 & 55/69 Number of hours between 8 a.m. PCWD Prevailing coincident wind direction, °, WMO# World Meteorological Organization number

and 4 p.m with DB between 55 and 69 °F 0 = North, 90 = East WS Wind speed, mph HR Humidity ratio, grains of moisture per lb of dry air

Hours8 to 4 &55/69

2%

Coldest month WS/MCDB

2%

MCWS/PCWDto 99.6% DB0.4%

1%

1%

MCWS/PCWDto 0.4% DB

Enthalpy/MCDB1% 2%0.4%

ColdestMonth

HottestMonth

Humidification DP/MCDB and HR99.6% 99%Heating DB

0.4%

5% DB

taub

Monthly Design Dry Bulb

and Mean Coincident

Wet BulbTemperatures

Monthly Design Wet Bulb

and Mean Coincident

Dry BulbTemperatures

Mean DailyTemperature

Range

0.4%

2%

5%

10%

1% 2%0.4%

Clear Sky Solar

Irradiance

Dehumidification DP/MCDB and HR

Ebn,noonEdh,noon

ExtremeMaxWB

Extreme Annual DB n-Year Return Period Values of Extreme DB

0.4%

Extreme Annual WS

taud

10%

0.4%

2%

5%

n=10 years

1%

5% WB

n=20 years n=50 years

PORTLAND INTERNATIONAL AP, OR, USA

Temperatures,Degree-Days

and Degree-Hours

HottestMonth

DB Range

Cooling DB/MCWB Evaporation WB/MCDB

Mean Standard deviation n=5 years


WMO#: 726980






8 22.0 91.2 67.5 87.1 66.5 83.4 65.3 69.4 87.0 67.8 84.5 66.1 81.2 10.5 310







DB 59.0 62.5 69.4 78.5 87.7 93.7 97.5 95.8 91.3 79.3 63.4 57.8MCWB 54.7 52.3 54.7 60.2 66.0 68.4 69.9 69.1 65.7 60.7 58.7 54.6

DB 55.0 58.2 64.7 72.3 81.2 86.0 91.0 90.2 85.9 72.8 59.3 52.8MCWB 50.9 51.4 52.5 57.7 62.9 65.4 68.7 67.2 64.3 58.5 54.3 49.7

DB 52.2 55.2 60.5 67.5 75.4 81.0 86.1 85.9 81.4 68.7 57.0 50.5MCWB 48.6 49.1 50.4 54.8 60.4 63.8 66.9 66.4 63.4 57.1 53.0 47.5

DB 49.5 52.4 57.1 63.0 70.4 75.8 81.8 81.8 76.7 64.6 54.9 48.5MCWB 46.2 46.8 49.1 52.9 58.4 61.9 65.5 65.1 62.0 56.1 51.1 45.3

WB 55.5 56.3 56.8 62.4 68.2 69.4 72.6 71.1 68.5 63.9 59.4 54.6MCDB 58.4 59.2 66.3 74.9 86.1 89.1 91.6 89.5 85.4 75.2 62.4 57.2

WB 51.5 53.0 54.2 58.8 64.4 66.6 69.9 69.0 66.4 61.1 55.7 50.5MCDB 54.1 56.6 61.4 69.6 77.9 83.3 87.8 86.1 81.8 69.3 58.4 52.4

WB 49.1 50.1 52.1 56.4 61.9 64.5 67.9 67.4 64.7 59.1 53.8 48.2MCDB 51.7 54.0 58.0 65.3 73.1 78.7 84.4 83.8 78.1 65.3 56.3 50.2

WB 46.7 47.7 50.5 54.1 59.4 62.4 65.9 65.7 62.9 57.3 51.6 46.1MCDB 49.0 51.7 55.7 61.4 68.6 74.4 80.7 79.9 74.2 62.2 54.1 48.3


0.296 0.309 0.324 0.356 0.371 0.368 0.364 0.358 0.349 0.330 0.315 0.2982.719 2.600 2.507 2.328 2.316 2.401 2.503 2.549 2.529 2.558 2.591 2.687267 281 289 287 284 285 285 283 277 268 253 25320 25 30 38 40 37 33 31 29 26 22 19



Hours8 to 4 &55/69

2%


2%


1%

1%

MCWS/PCWDto 0.4% DB


ColdestMonth

HottestMonth


0.4%

5% DB

taub


and Mean Coincident



and Mean Coincident



Range

0.4%

2%

5%

10%

1% 2%0.4%

Clear Sky Solar

Irradiance


Ebn,noonEdh,noon

ExtremeMaxWB


0.4%

Extreme Annual WS

taud

10%

0.4%

2%

5%

n=10 years

1%

5% WB




and Degree-Hours

HottestMonth

DB Range




WMO#: 726980






8 22.0 91.2 67.5 87.1 66.5 83.4 65.3 69.4 87.0 67.8 84.5 66.1 81.2 10.5 310







DB 59.0 62.5 69.4 78.5 87.7 93.7 97.5 95.8 91.3 79.3 63.4 57.8MCWB 54.7 52.3 54.7 60.2 66.0 68.4 69.9 69.1 65.7 60.7 58.7 54.6

DB 55.0 58.2 64.7 72.3 81.2 86.0 91.0 90.2 85.9 72.8 59.3 52.8MCWB 50.9 51.4 52.5 57.7 62.9 65.4 68.7 67.2 64.3 58.5 54.3 49.7

DB 52.2 55.2 60.5 67.5 75.4 81.0 86.1 85.9 81.4 68.7 57.0 50.5MCWB 48.6 49.1 50.4 54.8 60.4 63.8 66.9 66.4 63.4 57.1 53.0 47.5

DB 49.5 52.4 57.1 63.0 70.4 75.8 81.8 81.8 76.7 64.6 54.9 48.5MCWB 46.2 46.8 49.1 52.9 58.4 61.9 65.5 65.1 62.0 56.1 51.1 45.3

WB 55.5 56.3 56.8 62.4 68.2 69.4 72.6 71.1 68.5 63.9 59.4 54.6MCDB 58.4 59.2 66.3 74.9 86.1 89.1 91.6 89.5 85.4 75.2 62.4 57.2

WB 51.5 53.0 54.2 58.8 64.4 66.6 69.9 69.0 66.4 61.1 55.7 50.5MCDB 54.1 56.6 61.4 69.6 77.9 83.3 87.8 86.1 81.8 69.3 58.4 52.4

WB 49.1 50.1 52.1 56.4 61.9 64.5 67.9 67.4 64.7 59.1 53.8 48.2MCDB 51.7 54.0 58.0 65.3 73.1 78.7 84.4 83.8 78.1 65.3 56.3 50.2

WB 46.7 47.7 50.5 54.1 59.4 62.4 65.9 65.7 62.9 57.3 51.6 46.1MCDB 49.0 51.7 55.7 61.4 68.6 74.4 80.7 79.9 74.2 62.2 54.1 48.3


0.296 0.309 0.324 0.356 0.371 0.368 0.364 0.358 0.349 0.330 0.315 0.2982.719 2.600 2.507 2.328 2.316 2.401 2.503 2.549 2.529 2.558 2.591 2.687267 281 289 287 284 285 285 283 277 268 253 25320 25 30 38 40 37 33 31 29 26 22 19



Hours8 to 4 &55/69

2%


2%


1%

1%

MCWS/PCWDto 0.4% DB


ColdestMonth

HottestMonth


0.4%

5% DB

taub


and Mean Coincident



and Mean Coincident



Range

0.4%

2%

5%

10%

1% 2%0.4%

Clear Sky Solar

Irradiance


Ebn,noonEdh,noon

ExtremeMaxWB


0.4%

Extreme Annual WS

taud

10%

0.4%

2%

5%

n=10 years

1%

5% WB




and Degree-Hours

HottestMonth

DB Range



Humidi f icat ion

2008 Guideline for

Selection, Installation and Servicing of Residential Humidifiers

AHRI Guideline F (formerly ARI Guideline F)

Outdoor Design Conditions Indoor Design Conditions

•  Target Indoor RH? •  Moisture

Generation Rate

Humidi f icat ion

AHRI Guideline F 2 Gallons per Day (Family of 4) 8.33 lbs/gal

Humidi f icat ion

Indoor Target: 70°F @ 30% RH DP=37°F HR=32 grains/lb

lbs/hr = cfm x (w1-w2) x 4.5

7000

Outdoor: 20°F @ 70% RH

70°F RH=10%

DP=11°F HR= 11 grains/lb

130 CFM Removes 1.76 lbs/hr

5.1 Gallons Per Day


Humidi f icat ion Energy Penal ty?

HRV -5.1 GPD dehumidification + 2 GPD Indoor Moist Load 3.1 GPD = 12.3 kWh per day ERV @ 60% Moisture Recovery -2 GPD dehumidification + 2 GPD Indoor Moist Load 0.00 GPD

1 gallon = 8.33 lbs 1 lb water to steam ≈1,000 BTU

WUFI Indoor RH

ERV Technology

Condensat ion vs Vapor Di ffusion Factsheet Recair Enthalpy

saving energy in comfort

ERV Technology

Vapor Di ffusion: dPoint “Select ive Membrane”

Karuna House-Port land





Daikin Air to Water Heat Pump


Peak Cooling Capacity (BTU/SF)

Indoor Air Temp F Wall and Ceiling Surface Temp Avg Floor Temp °F Floor Heat Transfer Coefficient Long

Wave RadiaBon Btu/h·∙Z2·∙°F Floor Heat Transfer Coefficient

ConvecBon Btu/h·∙Z2·∙°F Peak Cooling Capacity Btu/

h·∙Z2·∙F

78 78 68 0.97 0.26 12.3

Hydronic Floor Surface Area= 3,200 SF Cool ing Capaci ty: 12 BTU/hr/SF

38,400 BTU/hr

Result : 3.2 Tons of Cooling Latent Load: Ultra-Air 70H

Slightly Chil led Floors

Documents

HVAC ROUNDUP - PHIUSCourtland Place-Seattle Ventilation & Heat • Continuous Balanced ventilation with energy recovery • Ultimate Air RecoupAerator • Fresh air supply to each