Treated Fresh Air Unit (TFA)

(Indirect Evaporative Cooling/ Indirect Evaporative Cooling + Cooling Coil)

Save while introducing pre-cooled outdoor air into a centrally air-conditioned building!

Pre-cooled outdoor air supplied in the most economical manner

Up to 26% reduction in power consumption

Improved indoor air quality

Excellent return on investment

HMX-TFA (Treated Fresh Air Unit) is built around DAMA, a heat exchanger optimised for Indirect Evaporative Cooling (IEC). DAMA has been extensively deployed by HMX in Indirect Evaporative Cooling applications for air cooling, with supplies of 100+ million CFM covering 20 million sq. ft. in 10+ countries.

HMX's Indirect Evaporative Cooling based Treated Fresh Air unit effectively pre-cools outdoor air being supplied to a building in an energy efficient and hence economical manner. The air pre-cooled by Indirect Evaporative Cooling can be supplied directly to the conditioned space or further cooled through a chilled water or a DX coil. Either way, there is significant overall energy saving. This Treated Fresh Air Unit can be retrofitted to existing fresh air handling units or can be supplied to individual AHU rooms.

Key features

Energy-efficient technology icon
Energy-efficient technology to pre-cool fresh air being supplied to air-conditioned spaces or air handling units/fresh air handling units
Energy-efficient alternative icon
Energy-efficient alternative to energy recovery wheels, heat pipes, air-to-air heat exchangers, etc
Improve indoor air quality icon
Improve indoor air quality through a higher outside air percentage while saving energy
Retrofitting the existing air icon
Retrofitting the existing air handling unit/fresh air handling unit/treated fresh air units
Designed around DAMA icon
Designed around DAMA, HMX’s highly optimised heat exchanger that is a building block for energy-efficient cooling systems that provide comfort, are eco-friendly and provide better indoor air quality

FAQs

What is a Treated Fresh Air (TFA) Unit?
A Treated fresh air (TFA) unit is a heating, ventilation, and air conditioning (HVAC) system designed to improve indoor air quality by introducing filtered and conditioned outdoor air into a building. A Treated Fresh Air unit helps to reduce the amount of recirculated air, which can be a source of indoor air pollution, and increase the amount of fresh air brought in from outside.
Where are Treated Fresh Air (TFA) units commonly used?
Treated Fresh Air units are commonly used in commercial and institutional buildings, such as hospitals, schools, and office buildings, to improve indoor air quality and reduce the risk of airborne infections. By providing a steady supply of fresh, filtered air, these units can help to create a healthier and more comfortable indoor environment for occupants.
What is HMX-TFA (Treated Fresh Air unit)?
HMX-TFA is built around DAMA, a heat exchanger optimised for Indirect Evaporative Cooling (IEC). DAMA has been extensively deployed by HMX in IEC applications for air cooling. As DAMA does not add moisture to the supply air during Indirect Evaporative Cooling, products built around it can be installed in various applications to deliver energy savings, such as pre-cooling and supplementary cooling with refrigerated air conditioning systems. (HMX-TFA/FAHU/DOAS)
How does HMX-TFA (Treated Fresh Air unit) score over a conventional TFA?
  • There is no requirement of return air.
  • Zero possibility of contamination of air.
  • Zero possibility of odour transfer.
  • Moderate power consumption.
What are the advantages of using HMX-TFA (Treated Fresh Air unit)?
  • Energy efficient alternative to energy recovery wheels, heat pipes, air-to-air heat exchangers, etc.
  • Low life cycle costs due to low maintenance requirements.
  • Available with plug type or EC fans.
  • Can be used a stand-alone system or retrofitted to existing Air Handling Units.

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