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Load Calculations

Accurate load calculations are key to ensuring proper heat pump sizing and selection, performance, and customer satisfaction.

The HVAC Sizing Tool is a free room by room load calculation tool. It is based on residential heating and cooling design methods developed by the Air Conditioning Contractors of America (ACCA). Use this tool for better design accuracy for successful project completion. A four part video tutorial is available to help you get you started. 

HVAC Sizing Tool

For more design load calculation tools, check out the curated list of resources compiled by Northeast Energy Efficiency Partnerships (NEEP)

Design Load Calculation Tools 

HVAC Sizing Tool Video Tutorial

Familiarize yourself with these HVAC Sizing Tool videos that help contractors design installations that reduce energy us. The video series contains 4 parts.

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