Description
The Thermo Vent 40 is an accessory that fits over standard 40 x 40cm roof lights or vents. Its main function is to improve insulation.
Seasonal Benefits: Winter – Helps retain heat inside the vehicle, reducing heat loss through the roof vent. Summer – Reflects sunlight to prevent excessive heat buildup, keeping the interior cooler.
The aluminium surface plays a key role by reflecting solar radiation acting as a thermal barrier to reduce energy loss
Suitable for all roof lights measuring 40 x 40cm, making it a versatile upgrade for many RV models.







