Sensible Heat from CFM Reference Values
Estimate sensible heating or cooling capacity from airflow and dry-bulb temperature change.
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Reference Value Index
This page lists 40 reference values for quick browsing and lookup.
All Reference Values
- 200 CFM at 10°F ΔT = 2,160 BTU/h
- 200 CFM at 15°F ΔT = 3,240 BTU/h
- 200 CFM at 20°F ΔT = 4,320 BTU/h
- 200 CFM at 25°F ΔT = 5,400 BTU/h
- 200 CFM at 30°F ΔT = 6,480 BTU/h
- 300 CFM at 10°F ΔT = 3,240 BTU/h
- 300 CFM at 15°F ΔT = 4,860 BTU/h
- 300 CFM at 20°F ΔT = 6,480 BTU/h
- 300 CFM at 25°F ΔT = 8,100 BTU/h
- 300 CFM at 30°F ΔT = 9,720 BTU/h
- 400 CFM at 10°F ΔT = 4,320 BTU/h
- 400 CFM at 15°F ΔT = 6,480 BTU/h
- 400 CFM at 20°F ΔT = 8,640 BTU/h
- 400 CFM at 25°F ΔT = 10,800 BTU/h
- 400 CFM at 30°F ΔT = 12,960 BTU/h
- 600 CFM at 10°F ΔT = 6,480 BTU/h
- 600 CFM at 15°F ΔT = 9,720 BTU/h
- 600 CFM at 20°F ΔT = 12,960 BTU/h
- 600 CFM at 25°F ΔT = 16,200 BTU/h
- 600 CFM at 30°F ΔT = 19,440 BTU/h
- 800 CFM at 10°F ΔT = 8,640 BTU/h
- 800 CFM at 15°F ΔT = 12,960 BTU/h
- 800 CFM at 20°F ΔT = 17,280 BTU/h
- 800 CFM at 25°F ΔT = 21,600 BTU/h
- 800 CFM at 30°F ΔT = 25,920 BTU/h
- 1000 CFM at 10°F ΔT = 10,800 BTU/h
- 1000 CFM at 15°F ΔT = 16,200 BTU/h
- 1000 CFM at 20°F ΔT = 21,600 BTU/h
- 1000 CFM at 25°F ΔT = 27,000 BTU/h
- 1000 CFM at 30°F ΔT = 32,400 BTU/h
- 1200 CFM at 10°F ΔT = 12,960 BTU/h
- 1200 CFM at 15°F ΔT = 19,440 BTU/h
- 1200 CFM at 20°F ΔT = 25,920 BTU/h
- 1200 CFM at 25°F ΔT = 32,400 BTU/h
- 1200 CFM at 30°F ΔT = 38,880 BTU/h
- 1600 CFM at 10°F ΔT = 17,280 BTU/h
- 1600 CFM at 15°F ΔT = 25,920 BTU/h
- 1600 CFM at 20°F ΔT = 34,560 BTU/h
- 1600 CFM at 25°F ΔT = 43,200 BTU/h
- 1600 CFM at 30°F ΔT = 51,840 BTU/h
Reference Table
Frequently Asked Questions
Frequently asked questions for Sensible Heat from CFM and its reference values.
What formula is used for sensible heat from airflow?
A common HVAC relationship is sensible BTU/h = 1.08 × CFM × ΔT.
What does ΔT represent in this calculation?
ΔT is the dry-bulb temperature change across the coil or air path in degrees Fahrenheit.
Can this estimate required CFM from load?
Yes. Rearranging gives CFM = BTU/h ÷ (1.08 × ΔT).
Does this include latent load?
No. This calculation covers sensible load only and does not include humidity (latent) effects.
Methodology and Review
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