HVAC Load Estimation Calculator

Quick HVAC Load Estimation

Get a ballpark estimate for heating and cooling loads based on square footage, climate zone, insulation, and building type. Perfect for initial client conversations and rough quoting.

What This Calculator Covers

• BTU estimation based on room or building square footage
• Climate zone adjustment for regional temperature extremes
• Insulation factor — poor, average, or well-insulated
• Building type — residential, commercial, or industrial
• Equipment sizing guidance based on calculated load

When to Use This Tool

Use this for quick, initial estimates during client calls or site visits. For final equipment selection, always perform a detailed Manual J calculation.

Manage HVAC Projects End-to-End

Job Pilot helps you track every HVAC project from the initial estimate through installation and follow-up maintenance. Schedule recurring maintenance visits, track equipment warranties, and keep clients informed through every step.