HVAC Toolkit

HVAC Toolkit is a field-ready productivity app for HVAC technicians, contractors, and energy auditors. It combines essential calculators, job management, and professional reporting to speed up on-site work and reduce errors. Core features include fast load and duct sizing calculators with clear inputs and instant results, refrigerant charging and airflow tools with guided superheat and subcooling, and project files with photos and branded PDF reports. Designed for efficient field service, it works offline, standardizes workflows, and helps teams deliver consistent, high-quality results. Ideal keywords: HVAC calculator, duct sizing, load calculation, refrigerant charging, airflow measurement, unit converter, field service, business productivity, PDF report.