8/9/2019 Ventilation Calculator ASHRAE 62_2 Existing Houses

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ASHRAE 62.2 W

Results

Required Whole-House Fan Measured Flow Rate => 54

Inputs

House Floor Area 1,800

House Volume 15,00

Verti!al "istan!e #rom lowest $rade le%el to hi$hest !eilin$ 15

&um'er o# (edrooms

&um'er o# (athrooms )

&um'er o# *!!u+ants

(lower "oor est er#ormed. 1

(lower "oor ested /FM at 50a de+ressuriation 1500

/itWhole House Fan ontime per c!cle 24

Whole House Fan o"time per c!cle #

2it!hen 34haust Fans Measured Air6ow Rate 50

(athroom 17 34haust Fans Measured Air6ow Rate )5

(athroom )7 34haust Fans Measured Air6ow Rate )5

)5

)5

)5

)5

)5

/a%eats7

1 Assumes lo!al e4haust %entilation, i# an, is 9intermittent9, not 9!ontinuous9 :i# lo

) Assumes e4haust #an 6ow rates are measured or assumed to 'e ero :i# not, re#er

ur+ose7 his !al!ulator is intended to determine the required whole house %entilati

nstru!tions7A 3nter the ne!essar data into the $reen 9n+uts9 se!tion o# the !al!ulator :/ells /( Fi4 an in+uts !ausin$ errors, as ne!essar :!ells (57H8;

/ he resultin$ required whole house 6ow rate, in !#m, is $i%en in !ell /1171)

Yes

OR - Portland

8/9/2019 Ventilation Calculator ASHRAE 62_2 Existing Houses

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Assumes no window o+enin$ !redit :/);

? "oesnt ad@ust #or tem+erature or ele%ation

5 Assumes 6ow !oe!ient o# 05

/al!ulator Bast C+dated7 Au$ust )8, )00D

8/9/2019 Ventilation Calculator ASHRAE 62_2 Existing Houses

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ole House Ventilati

c$m

sq#t

!u'i! #eet

#eet

'edrooms

'athrooms

+eo+le

/FM50

hours

hours

!#m

!#m

!#m

!al e4haust sstem is !o

to standard;

on #an 6ow rate #or e4isti

5 throu$h /;

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8/9/2019 Ventilation Calculator ASHRAE 62_2 Existing Houses

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n Requirements Calculator

ntermediate *ut+uts

BeaEa$e Area :A

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sq #t

A/H!#m

!#m

!#m

!#m

!#m

!#m

!#m

!#m

!#m

!#m

!#m

A/H50

A/Hn

A/Hn

8/9/2019 Ventilation Calculator ASHRAE 62_2 Existing Houses

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8/9/2019 Ventilation Calculator ASHRAE 62_2 Existing Houses

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? Weather Fa!tor - W Jes

1 *R - Astoria 085 &o

) *R - Med#ord 0

*R - &orth (end 0D

? *R - ortland 0

5 *R - Redmond 08

*R -

8/9/2019 Ventilation Calculator ASHRAE 62_2 Existing Houses

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Ventilation 3e!ti%eness #or ntermittent Fans

Fra!tional *n-ime

/!le ime :hours;

0 to 8 1) )?

01 100 08 05 nGa

0) 100 0D0 0 nGa

0 100 0D 08 nGa

0? 100 0D5 088 0?05 100 0D 0D) 08

0 100 0D8 0D5 081

0 100 0DD 0D 0D0

08 100 0DD 0DD 0D

0D 100 100 100 0DD

1 100 100 100 100

8/9/2019 Ventilation Calculator ASHRAE 62_2 Existing Houses

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Results

Required Whole-House Fan Measured Flow Rate => 56

n+uts

House Floor Area ),000

House Volume 1,000

Verti!al "istan!e #rom o+-

8/9/2019 Ventilation Calculator ASHRAE 62_2 Existing Houses

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Fra!tional *n-ime rounded down 100

Ventilation 3e!ti%eness 100

nitial Room Air6ow "eI!it7 2it!hen 50

nitial Room Air6ow "eI!it7 (athroom 1 )5

nitial Room Air6ow "eI!it7 (athroom ) )5

nitial Room Air6ow "eI!it7 (athroom )5

A/H50 D?

A/Hn usin$ 9di%ide ' )09 rule o# thum' 0?

A!tual A/Hn 0?

a!tual 9di%ide ' num'er9 )

RequiredWhole House

Fan

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100 100 100

100 100 100

!#m 50 50 50

!#m )5 )5 )5

!#m )5 )5 )5

!#m )5 )5 )5

A/H50 D? D? D?

A/Hn 0? 0? 0?

A/Hn 0? 0?1 0?

) ) )

1- stor ) - stor

wG'd L #an test Med#ord 5 ?

(oise ?) 1

wGo 'd, wG#an Med#ord 81 81

(oise 81 81

wGo 'd L #an Med#ord 11 11

(oise 11 11

wG'd, wGo #an Med#ord 8 8

(oise )

A/Hn

Med#ord 0? 0?1

(oise 0?? 05

Csin$ )0 0? 0?

Med#ord ) )

(oise )1 18

Csin$ )0 )0 )0

A/Hn 9"i%ide '&um'er9

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%e&$or&

wo

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100 100 100 100

100 100 100 100

50 100 100 100

)5 50 50 50

)5 50 50 50

)5 50 50 50

D? D? D? D?

0? 0? 0? 0?

0?1 0? 0?1 0?

) ) ) )

8/9/2019 Ventilation Calculator ASHRAE 62_2 Existing Houses

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wo

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100 100 100 100

100 100 100 100

100 50 50 50

50 )5 )5 )5

50 )5 )5 )5

50 )5 )5 )5

D? D? D? D?

0? 0? 0? 0?

0?1 0?? 05 0??

) )1 18 )1

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+oise

wo

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100 100 100 100 100

100 100 100 100 100

50 100 100 100 100

)5 50 50 50 50

)5 50 50 50 50

)5 50 50 50 50

D? D? D? D? D?

0? 0? 0? 0? 0?

05 0?? 05 0?? 05

18 )1 18 )1 18

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Caution, -hese raphs rel! on inputs $rom /Sensiti0it!/ -a1. o not m

1- stor ) - stor

0

)0

?0

=0

80

100

1)0

ASHRAE 62.2 Require& Ventilatio

W

hole

House

Ventilation

Reqm

1- stor ) - stor

0

)0

?0

=0

80

100

1)0

ASHRAE 62.2 Require& Ventilation 5

W

hole

Hous

e

Ventilation

Reqm

t5c$m

6

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a3e conclusions $rom these raphs ithout un&erstan&in the input assumption

5%e&$or&

wG'd L #an

test

wGo 'd, wG#an

wGo 'd L #an

wG'd, wGo #an

1- stor ) - stor

0800

0810

08)0

080

08?0

0850

08=0

ACHn usin ASHRAE 62.2 0s /i0

ACHn

oise

wG'd L #an

test

wGo 'd, wG#an

wGo 'd L #an

wG'd, wGo #an

1- stor ) - stor

0

5

10

15

)0

)5

0

ACHn /i0i&e 1! 7um1er/ usin ASHRAE 62.2 0

Med#or

d

(oise

/2i0i&e1!7um1er/

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.

i&e 1! 2# rule/

Med#or

d

(oise

s /i0i&e 1! 2# rule/