Treated Fresh Air Units (TFA)

Improve indoor air quality with HETCH Treated Fresh Air Units (TFA), specifically engineered to deliver clean, filtered, and temperature-regulated fresh air into enclosed spaces. These units play a vital role in maintaining ventilation standards in commercial buildings, schools, hospitals, and industrial facilities. Designed to handle outdoor air effectively, our TFA units reduce pollutants and ensure a healthy environment inside.

Built with HETCH’s commitment to sustainability, they support energy recovery and long-term air handling efficiency. Easy to integrate into HVAC systems, these units are essential for spaces where fresh air supply is critical for health and compliance.

Features & Benefits

✔️ Insulation : 25/43/46/50 mm thick PU
✔️ Eurovent with 50 mm thick PU foam insulation – certified range up to 60000 CFM (with heat recovery)
✔️ Wide Portfolio : Ceiling suspended, floor mounted, custom, heat recovery, clean room air handling units.
✔️ Custom AHUs - up to 100000 CFM
✔️ Thermally break aluminum profiles with double skin panels
✔️ Eurovent Certified
✔️ Mechanical properties as per EN1886 :
✔️ Casing strength class : D1
✔️ Casing air leakage class : L1/L1 (-400/+700Pa)
✔️ Thermal Transmittance : T2
✔️ Thermal Bridging : TB2
✔️ Filter Bypass Leakage Class : F9
✔️ AHRI certified coils – 3/8" & 1/2"
✔️ Plug & play integrated controls option

✔️ 25% energy and cost saving
✔️ 24x7 operations management
✔️ Customized I/O with analytics.
✔️ Customized compact design
✔️ Low dB
✔️ CFC free panels
✔️ Green product, zero ODP
✔️ Infuses O2 in the controlled spaces to counter SBS/BRI
✔️ Energy efficient
✔️ Diminishes harmful gases (VOCs & Odors)