Contractor Load Calculation Tool – Size Equipment with Confidence

HVAC load calculation screen in ThermoGrid.

You shouldn’t have to leave the job—or buy extra software—to size the right equipment. ThermoGrid’s built-in Load Calculation Tool delivers precise HVAC system sizing right inside your CRM.


Field-Ready Calculations
Input square footage, insulation details, window/door data, duct loss, and more to calculate exact heating and cooling loads.


Detailed Proposal Support
Include tonnage, kWh estimates, and system requirements directly in your quotes for a professional, data-backed presentation.


No Extra Tools Needed
Run load calcs from any device—no spreadsheets, no separate software, no guesswork.


Benefits:

  • Accurate equipment sizing every time
  • Faster, more confident sales proposals
  • Improved customer trust with data-backed recommendations
  • Reduced risk of undersized or oversized installs



Quote with confidence using ThermoGrid’s integrated load calculation tool.