Webasto Air Top Evo 40

Webasto Air Top Evo 40 is the premier choice for marine heating, delivering exceptional performance and comfort for boats and yachts. This advanced air heating system ensures rapid and effective warming of cabins, making it an ideal retrofit solution for boaters seeking both efficiency and reliability.

Key Features

  • Powerful Heating: With a heat output ranging from 5,100 to 13,650 BTU/h (1.5 – 4.0 kW), the Webasto Evo 40 quickly warms your cabin, ensuring a comfortable environment even in the coldest conditions. This robust heating capability makes it suitable for a variety of marine applications, providing consistent warmth throughout the vessel.
  • Minimal Electricity Consumption: The intelligent control system minimizes power usage, making it an eco-friendly option for long-term use. This efficient energy consumption is particularly beneficial for extended voyages where conserving battery life is crucial.
  • Automatic Cold Start: This feature enables quick preheating, ensuring the cabin reaches the desired temperature rapidly. The automatic cold start is especially useful in colder climates, where a swift increase in temperature is necessary for comfort.
  • Optimized Air Intake Silencer: Reduces noise, ensuring the heater operates quietly for a peaceful onboard experience. The quiet operation is essential for maintaining a serene atmosphere on board, allowing you to enjoy the tranquility of the sea without the distraction of a noisy heater.
  • Vibration Dampers: Minimize vibrations in the fuel line, enhancing the durability and stability of the heating system. These dampers not only extend the life of the heater but also contribute to the overall comfort by reducing operational noise.
  • User-Friendly Interface: Compatible with the new MultiControl digital interface, allowing for precise and easy operation. The MultiControl interface offers advanced programmability, enabling you to set multiple start times and adjust the heating schedule to match your needs.
  • Robust Construction: Built to withstand the harsh marine environment with a durable composite casing and sealed control electronics. This construction ensures that the Webasto Evo 40 can endure the challenges of marine conditions, such as high humidity and salt exposure.
  • Compact and Versatile: The compact design allows for flexible installation options, fitting seamlessly into various marine settings. Its small footprint makes it ideal for boats of all sizes, providing powerful heating without occupying excessive space.


  • Rapid Heating: Experience quick heating times due to the high heat output and efficient design. The ability to rapidly heat the cabin enhances comfort and safety, especially during unexpected cold snaps.
  • Low Operating Costs: Economical fuel and power consumption reduce running costs significantly. This cost efficiency makes the Webasto Evo 40 a smart investment for long-term use, providing excellent value over time.
  • Quiet Operation: Designed for noise-sensitive environments, ensuring a peaceful atmosphere onboard. The quiet performance is particularly appreciated during nighttime or when anchored in serene locations.
  • Ease of Installation: The compact and versatile design allows for space-saving installation, perfect for retrofitting. The straightforward installation process minimizes downtime, allowing you to quickly upgrade your heating system.
  • Enhanced Comfort: The electronic thermostat ensures consistent cabin temperatures, providing optimal comfort. This consistent heating prevents temperature fluctuations, ensuring a cozy environment at all times.
  • Reliable Performance: Built to withstand harsh marine conditions, ensuring dependable heating in all environments. The Webasto Evo 40’s durability guarantees long-term performance, even in the most challenging marine settings.
  • Advanced Control Options: The MultiControl interface and optional SmarTemp Control 2.0 offer intuitive operation and programmability, enhancing user convenience. These control options provide flexibility and ease of use, allowing you to tailor the heating system to your specific needs.


The Webasto Air Top Evo 40 is ideal for use in both sailing and motorboats up to 40 feet. Its robust design and high performance make it the perfect choice for ensuring a warm and comfortable environment on board, regardless of the weather outside. Whether you’re cruising in chilly northern waters or seeking warmth during a cold front, the Webasto Evo 40 delivers reliable and efficient heating.

Additional Features

  • Dehumidification: Effectively reduces cabin humidity, enhancing comfort and preserving onboard equipment. This feature helps maintain a dry and pleasant interior, preventing the buildup of moisture and associated issues such as mold and mildew.
  • Innovative App Control: Greater comfort with the Webasto ThermoConnect App, allowing you to control the heater via your smartphone for iOS and Android devices. The app provides remote control capabilities, offering convenience and flexibility whether you’re on board or away from your boat.

The Webasto Air Top Evo 40 stands out as a leading marine heating solution, providing efficient, reliable, and quiet operation. Its advanced features and robust design ensure a warm and comfortable environment on every voyage, making it the smart choice for boaters seeking the best in marine heating technology. Whether you’re preparing for a long journey or simply enjoying a weekend on the water, the Webasto Evo 40 ensures that you stay warm and comfortable, enhancing your overall boating experience.

Weight 20 lbs
Dimensions 21.7 × 10.8 × 11.4 in


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.