Duct Sizing Nasıl Hesaplanır?
learn.whatIsHeading
HVAC Duct Sizing Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
Formül
Duct Area = CFM / (FPM velocity) where FPM = 700-900 for mains
Adım Adım Kılavuz
- 1Calculate required CFM per room, size duct for target velocity
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
Çözümlü Örnekler
Giriş
400 CFM, 800 FPM target
Sonuç
Area = 400/800 = 0.5 sf → 8×9 inch duct
Kaçınılması Gereken Yaygın Hatalar
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
Hesaplamaya hazır mısınız? Ücretsiz Duct Sizing Hesaplayıcıyı deneyin
Kendiniz deneyin →