FTX – Heat recovery

Fresh air and lower energy bills

An FTX system recovers the heat from the extracted air and pre-warms the fresh supply air – up to 70% of the warmth stays in the house.

What is FTX?

FTX is balanced supply-and-extract ventilation with heat recovery. The system continuously replaces stale indoor air with fresh, filtered outdoor air – while capturing the heat that would otherwise be lost. The result is a stable indoor climate, less humidity and significantly lower heating costs.

Cutaway of a house with an FTX system – supply and extract ducts with heat recovery
Supply air Extract air How air moves through an FTX system

What is ventilation?

Ventilation is the controlled exchange of air in a building – stale, humid air is removed and fresh outdoor air is brought in. In airtight, well-insulated homes the natural leakage through gaps is no longer enough, so mechanical ventilation is used. It keeps oxygen and humidity at steady levels while excess water vapour, odours and pollutants are removed continuously.

  • Fresh, filtered outdoor air all year
  • Controlled humidity – less mould risk
  • Removal of odours and pollutants
  • With heat recovery the warmth is reclaimed too
Living room with wood-slat wall, fireplace and comfortable ventilation
Living room with wood-slat wall, fireplace and comfortable ventilation
Bright dining room with large windows and balanced supply-and-extract ventilation
Bright dining room with large windows and balanced supply-and-extract ventilation
Living room with wood-slat wall and built-in air vents near the ceiling
Living room with wood-slat wall and built-in air vents near the ceiling

Why FTX pays off

Up to 70% recovery

Heat from the extracted air pre-warms the supply air and cuts your bill.

Fresh, filtered air

Pollen, dust and particles are filtered out before the air reaches you.

Less humidity & mould

Controlled ventilation keeps moisture away and protects the building.

Quiet and maintenance-free

Modern units are quiet and require minimal maintenance.

Installation

Who installs your FTX system?

Want FTX fitted by experienced installers in Stockholm? We recommend Bodö Bygg – they design, install and service ventilation and heat recovery across the Stockholm area.

See Bodö Bygg ventilation
Energy saving

up to 70%

of the heat is recovered with a correctly sized FTX system.