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HVAC/R engineering

19730206
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pressure in the system
Replies
6
Views
208
bukac1
bukac1
techzone12
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Differential Pressure to GPM conversion
Replies
5
Views
356
techzone12
techzone12
Mechya
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Oil recovery problem in water cooled centrifugal chillers
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7
Views
925
Mechya
Mechya
HankVRSI
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One or two HVAC units?
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5
Views
200
HankVRSI
HankVRSI
ad77
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water heater / chiller pumping arrangement
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18
Views
627
tombmech
tombmech
naifmbo
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Dirty evaporator effect on oil return
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1
Views
88
imok2
imok2
KIEV
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Automatic Glycol make-up system for close loop system
Replies
2
Views
293
walkes
walkes
cme
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Air changes in life science lab
Replies
8
Views
463
SAK9
SAK9
Drazen
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Does your HVAC engagement includes build. therm. protection calcs?
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4
Views
144
stanlsimon
stanlsimon
EPullin
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Hydrogen in the built environment
Replies
4
Views
161
stanlsimon
stanlsimon
cme
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Refrigeration reheat inquiring
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2
Views
187
stanlsimon
stanlsimon
schola
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Non-CFC Split SystemS Availability
Replies
4
Views
170
krb
krb
espnloser
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Oil recovery system
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4
Views
534
Mechya
Mechya
DUMechEng
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exposed duct through wall 45 degree angle
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2
Views
274
rogzog
rogzog
ASSADEQ
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Design Conditions for switchgear
Replies
5
Views
438
garnerengr
garnerengr
cme
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Dynamic fire damper listing
Replies
6
Views
331
cme
cme
kryanl
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Heat loss through floor perimeter, or area?
Replies
5
Views
2K
GMcD
GMcD
lzh007
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selection of water heater
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11
Views
603
Joesteam
Joesteam
ajpackman
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Mitsubishi City Multi System
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6
Views
246
tombmech
tombmech
cokeguy
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Fan efficiency too low?
Replies
3
Views
663
fredt
fredt
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