HVAC technician cannot pressure test and vacuum a multi-split system because it lacks master valves and uses 4/5 zones, with no clear procedure.

Existing service tools and procedures assume single-zone or simple split systems; no clear guidance or tooling for multi-split with no master valves and multiple zones.

Severity

4High

Willingness to Pay

implied

Added

Jun 3, 2026

Implied Software Gaps

App that provides model-specific service instructions for multi-split systems without master valves

App Concept

MultiSplit Service Guide Pro

A mobile app that provides step-by-step diagnostic and repair procedures for multi-split HVAC systems, including pressure testing and evacuation without master valves. Integrates with manufacturer databases to give model-specific guidance and animated diagrams.

Key Features

Searchable database of multi-split models with detailed service procedures
Interactive diagrams showing valve locations and evacuation routes
Step-by-step wizard for pressure testing and vacuum with zone-specific instructions
Links to OEM manuals and service bulletins
Pressure and vacuum calculator based on system specs

Target Users: HVAC technicians who service residential and light commercial multi-split systems, especially those new to multi-split technology.

Revenue Model: $14.99/month subscription with 7-day free trial; $99/year premium with offline access and PDF exports

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