HVAC Tools Calculator & Codes

HVAC Tools — Calculator & Codes is an all-in-one Chrome extension built for HVAC technicians and contractors. It centralizes field calculations, component tests, and error-code lookups so you can quickly size equipment, diagnose faults, and verify capacitor and compressor data without digging through manuals or PDFs.

• Room cooling & load calculator to size AC units for any space
• Searchable error code library with visual references
• Step-by-step capacitor and compressor testing guidance
• Wiring diagrams, compressor references, discount & tax calculator
• Coming soon: refrigerant charge calculator, unit converters, wire sizing guide, PDF catalogs and training videos

Download to speed up diagnostics, reduce guesswork, and make your HVAC work more accurate and professional.