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HVAC/R engineering

Kapp
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  • Question Question
What is the difference between ASHRAE fitting SR4-2 and ER4-2?
Replies
2
Views
634
Kapp
Kapp
mechWatt
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  • Question Question
Parallel work of fans vs. pumps
Replies
16
Views
1K
lilliput1
lilliput1
John_187
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  • Question Question
Dryer exhaust booster fan allowed by code?
Replies
8
Views
803
Compositepro
Compositepro
amfarhoudi
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  • Question Question
Difference temperature in supply and discharge water in a chiller
Replies
10
Views
3K
IRstuff
IRstuff
Prime9.9
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  • Question Question
FCU SELECTION
Replies
7
Views
389
lilliput1
lilliput1
jrrocks
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  • Question Question
Pressure Differential during flushing
Replies
2
Views
258
ChasBean1
ChasBean1
John_187
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  • Question Question
HVAC system shutdown - fire detection system
Replies
3
Views
2K
KesTheHammer
KesTheHammer
jrrocks
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  • Question Question
Nominal Pipe Size
Replies
5
Views
365
jrrocks
jrrocks
Jasper_1
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  • Question Question
Efficiency of condensing boilers in non-condensing mode?
Replies
3
Views
492
LittleInch
LittleInch
John_187
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  • Question Question
ASHRAE 55 - Thermal Comfort - Graphic Comfort Zone Method
Replies
2
Views
853
lukaiENG
lukaiENG
Jamsith
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  • Question Question
Stairwell Pressurization system
Replies
3
Views
735
GT-EGR
GT-EGR
PS
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  • Question Question
Selection of Equipment: Tonnage Vs CFM
Replies
5
Views
468
KesTheHammer
KesTheHammer
Futterama
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  • Question Question
Radial fan design tips
Replies
4
Views
318
Futterama
Futterama
trueman
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  • Question Question
Do I have to upgrade from R22 to R410 ?
Replies
5
Views
277
berkshire
berkshire
amazing azza
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  • Question Question
crank case heater
Replies
7
Views
458
amazing azza
amazing azza
nattapong.s
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  • Question Question
Zoning by Motorized Fire Damper allowing continuing work once Fire
Replies
2
Views
123
urgross
urgross
carlosgw
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  • Question Question
Office humidity complaints
Replies
8
Views
328
trashcanman
trashcanman
PaulLag
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  • Question Question
calculating the capacity of an air conditoner
Replies
6
Views
450
IRstuff
IRstuff
martinakenic
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  • Question Question
Run-Around Coil question?
Replies
7
Views
985
GT-EGR
GT-EGR
spiridij
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  • Question Question
Residential HVAC
Replies
7
Views
474
spiridij
spiridij
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