Metric-sized line sets sold as imperial in the US/Canada cause poor flare connections, leading to difficult installations.

No line sets are available with true imperial labels for US/Canadian mini-split installations, forcing installers to use metric sizes labeled 'close enough'.

Severity

4High

Willingness to Pay

implied

Added

Jun 3, 2026

Workarounds Described

uses sandpaper double sided on the pipe and flare bar to attempt a decent flare

App Concept

FlareFit Pro Kit

A precision adaptor kit that converts metric mini-split line sets to true imperial sizing, ensuring perfect flares every time. Includes adaptors, a flare alignment gauge, and step-by-step instructions.

Key Features

Imperial-to-metric adaptor sleeves for standard line sets
Flare verification gauge to confirm proper angle and depth
Durable, double-sided abrasive film for pipe prep
Compatible with all common mini-split brands

Target Users: HVAC and mini-split installers in the US and Canada, especially those working with Asian-sourced equipment.

Revenue Model: $29 per kit, with refill packs of abrasive film for $9.99

Existing Solutions Mentioned

sandpaper double sided on the pipe and flare bar

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