HVACProSales Professional HVAC Tools
Professional calculators, technical utilities, and engineering resources designed to help contractors, facility managers, commercial buyers, and international customers make better purchasing decisions.
Available Tools
Production-ready tools you can use right now to support your HVAC purchasing decisions.
Estimate the HVAC capacity your space requires based on square footage, climate region, ceiling height, insulation, and occupancy. Educational sizing tool with professional disclaimer.
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Additional professional tools currently in development. Each tool will be released only when it meets our full quality, compliance, and accessibility standards.
Determine voltage and frequency compatibility for HVAC equipment purchased in the U.S. for use in international markets.
Search for genuine OEM replacement parts by model number, part number, or equipment category across major HVAC brands.
Build a structured Request for Quote for commercial HVAC projects. Specify equipment types, quantities, delivery requirements, and project scope.
Navigate EPA refrigerant phaseout timelines and identify compliant replacement options for R-22, R-410A, and transitional refrigerants.
Find the right mini split configuration for your project based on zone count, BTU requirements, installation type, and climate conditions.
Determine the correct line set diameter and length for your mini split or central HVAC installation based on system capacity and distance.
Estimate the electrical load requirements for HVAC equipment to help electricians and facility managers plan circuit capacity and panel upgrades.