Uncertainty about how to determine the correct horsepower rating for a mini split disconnecting means, especially whether to include indoor unit motor specs.

No easy-to-use tool that guides electricians through calculating disconnecting means horsepower for mini splits per code, requiring manual lookup of multiple motor specs.

Severity

3Medium

Willingness to Pay

implied

Added

Jul 3, 2026

App Concept

CodeCalc Pro for Mini Splits

A mobile app that simplifies NEC-compliant disconnecting means sizing for mini splits. Enter outdoor unit nameplate data, optionally add indoor unit specs, and get the correct horsepower rating instantly. Integrates code rules and typical motor data to eliminate guesswork.

Key Features

Input outdoor unit nameplate (volts, amps, LRA) and optional indoor unit blower specs
Automatically calculates required horsepower using NEC articles 430 and 440
Library of common mini split manufacturer motor data for quick lookup
Generates a summary report for inspection documentation

Target Users: Licensed electricians and HVAC installers who need to comply with NEC code for mini split installations

Revenue Model: $9.99/mo per user subscription or $99/yr

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