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Cordless Heat Guns: 18–40 V Models for Heating and Heat-Shrinking

Cordless Heat Guns: 18–40 V Models for Heating and Heat-Shrinking

Cordless Heat Guns

A detailed buying guide: how to choose a cordless heat gun.

This section covers cordless heat guns for shrinking heat-shrink tubing, softening old paint and varnish, forming and welding plastic, thawing frozen pipes and removing adhesive films. The category mainly includes 18–20 V models as well as 36–40 V models for more demanding work. A cordless heat gun is convenient for electricians, car workshops and at home wherever there is no outlet. For the principles of choosing corded heat guns, read how to choose a heat gun.

What to consider when choosing a cordless heat gun

Type and purpose

Cordless heat guns are intended for short, localised tasks, while corded models are more efficient for stripping paint from large areas. Professional models reach working temperature faster and hold it longer. See differences between professional and household power tools.

Temperature and control

Cordless heat guns typically reach 450–550 °C, and getting to working temperature takes about 6–20 s. Two-stage or variable control and a display help you work with plastic and heat-shrink without overheating. Read what is speed control.

Airflow

Airflow is usually 100–200 l/min: low flow suits localised heating, high flow larger surfaces. Models with two airflow settings are more versatile. See airflow volume and speed in blowers.

Nozzles

The kit may include reflector, wide, concentrator and glass-protection nozzles for heat-shrink, working near glass and welding plastic. Check nozzle diameter compatibility. Read how to check tool accessory compatibility.

Battery voltage and capacity

A heat gun is one of the most power-hungry cordless tools: 18–20 V models need a battery of 4–5 Ah or more, which usually gives 10–20 minutes of work. 36–40 V models hold high temperatures longer. See cordless tool voltage (V) and battery capacity (Ah).

Platform and kit contents

If you already own tools on the same platform, you can choose a body-only version, but a heat gun needs a high-capacity battery and a fast charger. Read what is a unified battery platform and how to choose a battery and charger.

Overheat protection

Thermal protection switches off the heating element at dangerous temperatures, and a stable base lets you stand the heat gun upright to cool down. See what is motor thermal protection.

Safe operation

Never point hot air at flammable materials or people, do not touch the nozzle after use and provide ventilation when stripping paint. Read how to use cordless tools safely and essential fire safety rules.

At ToolsArmenia you can compare cordless heat guns by voltage, maximum temperature, airflow, nozzles and protection features and choose the right model for your jobs.

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