The Dometic FanTastic Breathe 3100 is an intelligent RV ventilation system designed to continuously provide fresh, clean air inside campervans, motorhomes and other recreational vehicles.

Combining energy recovery, air purification and smart sensor technology, it helps maintain a comfortable indoor climate while reducing the energy required for heating and air conditioning. Its low-profile rooftop design fits standard roof openings, making it an excellent solution for new campervan conversions and upgrades.

Key Features

• Effective Air Exchange: Provides fresh-air ventilation even when all windows and doors are closed.
• Energy Recovery System: The patented heat recovery system reduces energy consumption by recovering energy from outgoing air.
• Integrated Air Purifier: Helps reduce dust particles, mould and unpleasant odours inside the vehicle.
• Smart Air Quality Sensors: Continuously monitor air quality and automatically adjust the required ventilation rate.
• Automatic Operation: The system manages ventilation automatically to maintain a comfortable interior environment.
• Storage Ventilation: Helps prevent mould build-up and unpleasant smells while your campervan or motorhome is in storage.
• Integrated LED Lighting: Built-in LED light strip provides practical ambient lighting inside the vehicle.
• App Control: Manage ventilation, operating modes, air quality and lighting using the Dometic Climate App.
• Low-Profile Rooftop Design: Lightweight, aerodynamic and designed to minimise the visual impact on the vehicle roof.
• Standard Installation Size: Compatible with standard 400 x 400 mm roof cut-outs or 360 x 360 mm window frames.

Ideal For

• Campervan conversions
• Motorhomes and RVs
• Vanlife and off-grid vehicles
• Vehicles requiring continuous fresh-air ventilation
• Campervans equipped with heating or air-conditioning systems
• New conversions and ventilation system upgrades

Smart Control with the Dometic Climate App

The FanTastic Breathe 3100 can be conveniently controlled from your smartphone using the Dometic Climate App.

Available operating modes include:

• Auto Mode: Automatically optimises ventilation according to current air quality.
• Turbo Mode: Provides increased ventilation when rapid air exchange is required.
• Sleep Mode: Designed for quieter operation during the night.
• Storage Mode: Maintains ventilation while the vehicle is stored to help prevent mould and unpleasant odours.

The app also allows you to monitor air quality in real time and control the integrated lighting.

Why Choose the Dometic FanTastic Breathe 3100?

Fresh, Healthy Air
Continuous ventilation and integrated air purification help maintain a cleaner and more comfortable interior.

Reduced Energy Consumption
The heat recovery system helps retain heating or cooling energy that would otherwise be lost through conventional ventilation.

Fully Automatic Ventilation
Smart sensors monitor interior air quality and automatically adapt ventilation performance.

Comfort During Storage
Storage ventilation helps reduce humidity-related problems, mould and unwanted smells when the vehicle is not being used.

Clean Rooftop Installation
Its low-profile, aerodynamic design provides effective ventilation without a bulky rooftop unit.

Technical Specifications

Product: Dometic FanTastic Breathe 3100
Model: ACC3100D
SKU: 9620005072
Product Type: RV ventilation system with energy recovery

Dimensions:
Width: 537 mm
Depth: 553 mm
Height: 220 mm

Net Weight: 7 kg

Installation Opening:
400 x 400 mm roof cut-out
Compatible with 360 x 360 mm window frames

Parcel Dimensions:
Width: 565 mm
Depth: 600 mm
Height: 280 mm

Parcel Weight: 8.35 kg

Complete Your Campervan Project with VanCowork

1. DIY Installation at the VanCowork Workshop

Building your own campervan? Use a fully equipped VanCowork workstation in Portugal and install your ventilation system yourself with access to the tools and workspace needed for your conversion.

2. Professional Campervan Installation

Prefer to have the system professionally installed? VanCowork provides campervan conversion and installation services for ventilation, electrical systems, solar systems and other conversion components.