HUUM DROP 4.5 Sauna Heater – 4.5kW

The HUUM DROP 4.5 is a compact wall-mounted electric sauna heater inspired by the natural shape of a water droplet. Its smooth, rounded design softens the interior of a traditional sauna while offering excellent functionality. Despite its smaller size, the DROP 4.5 accommodates up to 132 lbs (60 kg) of stones, ensuring consistent and long-lasting steam for smaller sauna rooms ranging from 106 to 247 cubic feet.

Key Features

Design and Construction

• Wall-mounted heater with compact footprint

• Stainless steel housing and industrial-grade heating elements

• High stone capacity: 132 lbs (60 kg)

• Direct contact between stones and heating elements for efficient heating

Performance

• Power rating: 4.5kW

• Suitable sauna room size: 106 – 247 cubic feet (3 – 7 m³)

• Operates at 240V, single-phase (1PH)

• Provides consistent soft heat for smaller saunas

Control Options

• Compatible with HUUM UKU controllers (sold separately)

• Options include Local, Wi-Fi, and Glass control units

• Features include temperature setting, timers, delayed start, and app-based operation (with Wi-Fi models)

Certification and Warranty

• SGS Listed for safety and quality assurance

• Crafted in Estonia

• Covered by HUUM’s 5-year limited warranty (excluding elements)

Sauna Stones

• Stones are not included

• Recommended: rounded olivine diabase stones, size 5–10 cm

• Rounded stones complement the design and generate softer steam

• Avoid decorative stones, as they may crack under high heat

Package Contents

• HUUM DROP 4.5 sauna heater

• Wall mount bracket

• Installation and operation manual

Specifications

• Model: DROP 4.5

• Power: 4.5kW

• Sauna size: 106 – 247 cu. ft.

• Heater weight: 24 lbs

• Shipping weight with stones: 146 lbs

• Amperage: 18.8A

• Circuit breaker: 30A

• Wire size: 10 AWG

• Dimensions: 15.4"W (390mm) × 13.2"D (335mm) × 23.3"H (590mm)

Model Comparison