Heat Gun Buying Guide (2027)

Heat guns control temperature three ways. LCD and LED guns step through set temperatures in fixed increments or across a full variable range, and they return to exact settings job after job. Dial guns adjust smoothly across a range, which suits owners who work by feel but cannot recall an exact number. Fixed-setting guns offer two or three temperatures, which cover household jobs but frustrate precision work. The control type should match the material: plastics and vinyl reward stepped control, paint stripping rewards dials and steps alike, and occasional household jobs need nothing more than two settings.

Temperature alone does not describe a heat gun. Airflow, measured in CFM or litres per minute, decides how fast heat arrives and how wide an area it covers. Nozzles shape that airflow: concentrators focus it for detail, flare nozzles spread it for doors, reflector nozzles wrap it around tubing, and glass protection nozzles shield panes. A gun with the wrong nozzle for the job works badly at any temperature, so compare the whole nozzle kit, not just the gun. Kit guns cost more upfront and less overall than bare guns plus separate accessory orders.

Corded guns deliver full heat indefinitely and suit stripping, thawing and workshop sessions. Cordless guns deliver freedom on ladders, roofs and panels, but their runtime is measured in minutes or in connections, and their airflow is lower. The platform question matters more than the gun question for cordless buyers: Bosch 18V and Milwaukee M18 packs are not interchangeable, and the heat gun is usually the cheapest tool on either platform. Buy the cordless gun that matches batteries you already own, or budget for the platform, not just the tool.

Wattage tracks with heat output on corded guns: 1,200 to 1,500 watts covers household work, while 1,800 to 2,000 watts suits heavy paint and professional sessions. Weight matters on long jobs: a 2 lb gun stays comfortable through a door, while a heavier kit gun tires the arm overhead. Compact guns under 2 lb suit bench and craft work but lack the airflow for wide areas. Match the gun's size and power to the largest job on the list, not the average one, since the largest job is where a small gun fails.

A heat gun can scorch wood, crack glass, melt plastics and ignite dust and flammable materials, and it stays hot long after switch-off. Keep the gun moving, never rest a hot nozzle on a flammable surface, and use the stand or kickstand during breaks. Old paint may contain lead, so check before stripping and follow local guidance on protection and disposal. Wear eye protection, keep a fire extinguisher nearby for paint work, and let the gun cool fully, using cool-down mode where fitted, before storing it.