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Milwaukee Electric Tools 2688-21 M18 Heat Gun Kit

TLDR Review: Milwaukee M18 Heat Gun

By ShopSavvy Team

Published: June 9th, 2026

Pros

•Cordless design adds ultimate convenience, especially in tight or haro-reach spaces
•Performs well for shrinking sleeves, wiring, and melting solder in heat shrink connectors
•Powerful heat output exceeds expectations for a portable tool
•Lonasting Li-Ion battery retains charge for months and supports extended use
•Quickly heats up, enabling efficient workflow
•Ideal for professional or DIY wiring and shrink tasks
•Effective for heating thicker heat shrink materials with slightly longer heating times
•Very handy, easy to operate, and reliable
•Good durability and build quality typical of Milwaukee tools
•Suitable for outdoor or jobsite use without needing an outlet

Cons

•Battery life can be limited; heavier jobs may require extra or larger batteries
•Consumes batteries quickly if used extensively, especially with higheapacity batteries
•Gets quite hot during operation, which might require caution during prolonged use
•Not cosffective for infrequent or light-duty tasks due to its premium price
•Some users noted it can take longer to heat certain thicker materials
•The price point may be high compared to corded alternatives or less powerful models

Bottom Line

The Milwaukee Electric Tools 2688-21 M18 Heat Gun Kit is a solid, versatile choice for professionals and DIYers who need portability and power in their heat shrinking or wiring projects. Its cordless operation and strong heat output make it perfect for those working in confined spaces or outdoor environments. However, its cost and battery consumption mean it's best suited for regular users who will leverage its features often. If you're looking for a slightly more budget-friendly option or less power-hungry, consider alternative models, but for durability and performance, this kit is a dependable investment.

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 16 retailers to give you the short version.

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