ACO Therm®
ACO Therm®
Advanced Basement Light Wells & Ventilation Solutions
ACO Therm® light wells provide natural daylight, ventilation, and effective drainage for basement and below-ground spaces, transforming underutilized areas into comfortable and functional environments.
Designed for residential and commercial applications, ACO Therm® systems combine durability, flexibility, and easy installation while protecting underground spaces from rainwater and groundwater intrusion.
About ACO Therm®
ACO Therm® light wells are engineered to bring natural light and fresh air into basement and underground rooms. The system allows homeowners, developers, and commercial property owners to maximize usable space while reducing dependence on artificial lighting and improving indoor comfort.
With multiple sizes, depths, grating options, drainage accessories, and extension modules, ACO Therm® provides a complete solution for modern construction projects.
Key Benefits
Natural Daylight
Provides effective natural lighting for basement and underground spaces.
Improved Ventilation
Enhances air circulation and creates healthier indoor environments.
Additional Living Space
Transforms basements into functional rooms such as home offices, gyms, saunas, wine cellars, storage areas, and utility rooms.
Energy Savings
Reduces the need for artificial lighting during daylight hours.
Water Protection
Protects underground rooms from rainwater and groundwater through integrated drainage solutions.
Flexible Installation
Suitable for various window depths, including installations up to 180 cm below ground level.

ACO Therm® Light Well
High-performance basement light well system designed to provide natural daylight, ventilation, and effective drainage for below-ground spaces.

Drainage System
Integrated drainage solution designed to efficiently remove water from light wells and protect below-ground spaces from flooding and moisture buildup.

Height Extensions
Modular extension units designed to increase light well depth and adapt the system to various installation heights and ground levels.