Keen Learning Hub

📐

Manual J Calculator

Calculate heating and cooling loads for residential HVAC systems

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📚

Glossary + Visual Reference

Browse HVAC components, terminology, and visual references

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📦

Distributor Packing List

Manage and generate packing lists for distributors

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💰

Energy Savings & Equipment Efficiency

Compare fuel costs and equipment efficiency (SEER/HSPF) using your energy bills

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🌎

Carbon Savings Calculator

Calculate CO₂ reduction from electrification and fuel switching

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🌬️

Duct Sizing Tool

Calculate round and rectangular duct sizes based on CFM and velocity

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❄️

Superheat / Subcooling Calculator

Diagnose system performance with live gauges for R-22, R-410A, R-454B, and R-32

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⚙️

Static Pressure → CFM Estimator

Estimate airflow from static pressure readings with diagnostic tips

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Glossary + Visual Reference

Psychrometric Calculator

Enter dry-bulb and wet-bulb temperatures to calculate humidity, dew point, and enthalpy.

Duct Sizing Tool

Calculate duct sizes based on CFM and velocity requirements.

Superheat / Subcooling Calculator

Diagnose AC/heat pump performance by comparing actual vs target superheat and subcooling.

Static Pressure → CFM Estimator

Estimate actual airflow from static pressure readings and equipment specifications.

Energy Savings & Equipment Efficiency Estimator

Compare heat pump vs fossil fuel costs and equipment efficiency using your energy bills.

Heating Information

Leave blank if not heat pump

Cooling Information (Optional)

Average monthly increase during AC season

Upgrade Equipment Specs

Carbon Savings Calculator

Calculate CO₂ emission reductions from electrification and fuel switching.