 # HVAC System Validation Reports

HVAC VALIDATION/TEST REPORT

 Sr # Parameters Results 1 Area of room  (cubic ft) 2 Req CFM 3 Req. No of air changes 4 Air velocity (ft/min 5 Grill size (sq.ft 6 Required Temp 7 Req Humidity 8 Room Pressure

Particle Count: Test Apparatus /Method: particle counter: __________________________________________________

Viable monitoring: Test Apparatus /Method: Plate Count Method :_____________________________________________

Area monitoring

Area monitoring Air change calculation

Area name: __________________

Air velocity observation (ft/min)

(From four sides took three reading and took mean of it)

Duct 1:  i)     +       +       =_ ft/min    ii)        +      +        =  —  ft/min

3                                                      3

iii)            +       +          =   ft/min   iv)       +       +          =_ft/min

3                                                       3

Mean air velocity:        +      +      +          ft/min = ft/min

4

Duct area:  (   L   X W) =   (ex “9/12 x 9/12=0.5625ft²)

CFM   = Mean Air Velocity   x   Area of Duct =__ =______

Volume of room in ft³ =   Length x Width x Height =____ (ex7x4x8.4=235.2 ft³)

No of air changes per Hour:

___    CFM   __       x   60

Volume of room in ft³

Ex    [    101.21     x60          } 235.2                  =25.81

Limits: ( NLT=________________air Changes Per Hour)

The second Report Filled (Example)

Area monitoring Air change calculation

Area name: —————————–

Air velocity observation (ft/min)

(From four sides took three reading and took mean of it)

Duct 1:   i)    166 + 159 + 165  =166.33 ft/min   ii)  173+ 168 + 169   =170 ft/min                                         3                                                                        3

iii)    174 +   185 + 180 =179.66 ft/min  iv)  192 +185 + 180 =185.66 ft/min

3                                                                       3

Mean air velocity:   166.33 + 179.66 +180+185.66  ft/min    =177.91 ft/min

4

Duct area:  (   L   X W ) = 9/12×9/12=0.5625ft²

CFM   = Mean Air Velocity   x   Area of Duct =179.910.5625 =101.21

Volume of room in ft³ =   Length x Width x Height =7x4x8.4=235.2 ft³

No of air changes per Hour :

___    CFM   __

Volume of room in ft³      x   60     =101.21

235.2      x60 =25.81

Limits: ( NLT=20 air Changes Per Hour)

Duct 1: i) 350 +345 + 365  =353.33 ft/min   ii) 345+ 331 + 337    =337.66 ft/min

3                                                           3

iii)   355 +   345 + 365  =353 ft/min   iv) 345 +   355 + 365   =355 ft/min

3                                                               3

Mean air velocity:   353.33 + 337.66 +353+355  ft/min    =343.08 ft/min

4

Duct area:  (   L   X W ) = 12/12×12/12=1ft²

CFM   = Mean Air Velocity   x   Area of Duct =349.74×1 =349.74

Volume of room in ft³ =   Length x Width x Height =7×17.8×8.4=1046.64 ft³

No of air changes per Hour :

___    CFM   __

Volume of room in ft³      x   60               =349.74

1046.64      x60 =20.04

Limits: ( NLT=20 Air Changes Per Hour)