TFA with Plate Type Heat Exchanger (PHE)
“Efficient. Hygienic. Space-Saving.”
Our TFA with Plate Type Heat Exchanger (PHE) is engineered for modern ventilation needs, delivering fresh air with high thermal efficiency and zero cross-contamination. Designed for hygienic environments, it offers energy savings of up to 75% through air-to-air heat recovery, ensuring indoor air quality (IAQ) compliance and comfort while minimizing energy load. A perfect fit for commercial, institutional, and industrial buildings aiming for performance and sustainability.
Product USP’s
Compact, Contamination-Free & Energy-Smart
Utilizes cross-flow or counter-flow aluminum plate heat exchangers to recover up to 75% of sensible heat from exhaust air, drastically cutting cooling and heating demands.
Completely separate air streams ensure hygienic operation, ideal for sensitive environments such as healthcare and food processing.
Equipped with EC or VFD-driven backward-curved centrifugal or plug fans, offering low noise and maximum airflow efficiency with variable speed control.
Pre-filters and fine filters (G4 to F9) ensure high IAQ compliance, with easy access for maintenance and optional HEPA or carbon filter add-ons.
Space-saving double skin modular panels with thermal breaks and acoustic insulation deliver both aesthetic flexibility and structural durability.
Fewer moving parts and no rotating wheel mean reduced wear and lower servicing needs, ensuring long-term performance with minimal upkeep.
Key Highlights
The TFA with Plate Heat Exchanger is designed to meet the highest standards of indoor air quality, energy efficiency, and operational hygiene. It features a high-performance plate-type heat recovery core that facilitates air-to-air heat exchange without any risk of air mixing, making it ideal for sterile and sensitive environments.
With airflow capacities ranging from 1,000 to over 60,000 CFM, the Exhaust Air Unit is fully scalable for commercial complexes, institutions, and industrial facilities. The heat recovery efficiency of up to 75% ensures significant reductions in HVAC load, contributing to energy savings and lower utility bills. It comes equipped with EC or VFD-driven fan systems, premium-grade aluminum plate heat exchangers, and multi-stage filtration that maintains optimal air quality.
The construction features rigid frames, powder-coated or stainless-steel panels, acoustic and thermal insulation, and corrosion-resistant components. Optional UV-C lights, CO₂ sensors, and pressure gauges enhance safety, control, and compliance with green building norms. It’s an ideal solution for year-round ventilation with minimal environmental impact.
- Air-to-air heat recovery using cross-flow or counter-flow aluminum plates
- Recovers 60–75% sensible heat, reducing cooling/heating load significantly
- Delivers fully treated outdoor air, compliant with IAQ and ventilation standards
- No Cross-Contamination
- Energy Efficiency
- Improved Indoor Air Quality (IAQ)
- Low Maintenance Costs
- Hygienic & Contamination-Free
- Compact & Space-Saving
- Environmental Compliance
- Quiet Operation
- Cost-Effective
- Airflow Capacity:
- Ranges from 1,000 CFM to 60,000+ CFM
- Ranges from 1,000 CFM to 60,000+ CFM
- Filtration:
- G4 (pre-filter), F7–F9 (fine filter)
- G4 (pre-filter), F7–F9 (fine filter)
- Fan Section:
- EC / backward curved centrifugal / plug fans
- VFD compatible
- EC / backward curved centrifugal / plug fans
- Cooling / Heating Coils:
- Copper tubes with aluminum fins
- Chilled water / DX / electric heating coils
- Copper tubes with aluminum fins
- Heat Exchanger Type:
- Plate type (cross-flow or counter-flow)
- Heat Recovery Efficiency:
- Up to 60–75% sensible heat recovery
- Motor Efficiency:
- IE3 / IE5 compliant energy-efficient motors
- Accessories:
- UV-C lamps, differential pressure gauges, CO₂ sensors, fresh air dampers
- Casing/Frame:
- Rigid, galvanized or powder-coated steel Stainless Steel, Aluminium
- Modular, double & single skin panel construction
- Extruded Aluminium Profile Frame Work (Thermal break & Non-Thermal break)
- Insulation:
- 25 mm to 50 mm thick insulation (Density-40 kg/m3 (48 kg/m3, 64 kg/m3, 96 kg/m3 – Optional) (PUF, Glasswool, Rockwool, PIR)
- Provides thermal insulation and acoustic insulation
- Base Frame:
- Heavy-duty steel or aluminum base
- Designed for floor mounting and vibration isolation
- Panels:
- Removable or hinged access doors
- Inner skin: galvanized steel (pre-coated or powder coated), stainless steel, aluminium
- Outer skin: pre-coated, powder-coated steel, stainless steel, aluminium
- Drain Pan:
- Sloped stainless steel design
- Anti-corrosive and insulated to prevent condensation buildup
- Fan Section:
- EC or VFD-driven centrifugal fans
- Mounted on vibration-absorbing platforms
- Dynamically balanced for low-noise, high-efficiency airflow
- Coil Section:
- Copper tubes with aluminum fins
- Housed in corrosion-resistant frames with drain connections
- Filter Section:
- Pre-filters in slide-in frames
- Fine filters, HEPA filters, Carbon filters, Chemical Filters, Electronic Air Cleaner
- Easy access for replacement
- Optional Add-ons:
- UV-C germicidal lights
- CO₂ sensors, differential pressure gauges
- Fresh air intake louvers with bird/insect screens
- Eurovent Certified : (Standard EN 13053 & EN 1886)
- Casing strength class : D1
- Casing air leakage class at -400 Pa : L1
- Casing air leakage at +700 Pa : L1
- Filter bypass leakage class : F9
- Thermal transmittance class : T2
- Thermal bridging factor class : TB2
- AHRI Certified : Standard 1350
- Casing Deflection Rating Class (Positive) : CD4
- Casing Deflection Rating Class (Negative) : CD4
- Casing Air Leakage Class (Positive) : CL2
- Casing Air Leakage Class (Negative) : CL2
- Thermal Transmittance Class With Leakage : CT2
- Thermal Transmittance Class Without Leakage : CT2
- Thermal Bridging Class : CB2
- CE Certified : (EN ISO 12100:2010, EN 60204-1:2018)
- ISO Certified : (ISO 9001:2015)
- AHRI Certified Chilled Water Coils : AHRI Standard 410
- AHRI Certified Hot Water Coils : AHRI Standard 410
ZECO Air Engineering Solutions
Enhance IAQ & Cut Energy Costs — All in One Unit
Bring sustainable ventilation to your building with our PHE-based TFA Unit. Designed for maximum efficiency, hygiene, and flexibility.
Applications
- Commercial Buildings
- Hospitality
- Educational Institutes
- Healthcare Facilities
- Industrial & Manufacturing
- Food & Beverage
- Retail & Malls
- Entertainment Venues
- Laboratories
FAQ's
It ensures high-efficiency heat recovery (up to 75%) with complete separation of supply and exhaust air, eliminating any risk of cross-contamination.
Ideal for spaces that require sterile air handling like hospitals, laboratories, food processing units, and commercial buildings focused on energy efficiency.
PHE units offer lower maintenance, zero cross-contamination, and are better suited for hygienic applications, though wheels may provide higher latent heat recovery.
Yes, airflow capacity is scalable from 1,000 to 60,000+ CFM based on your building’s ventilation load.
Absolutely. It supports BMS integration via Modbus, BACnet, and other open communication protocols.
It includes G4 pre-filters and F7–F9 fine filters, with options to upgrade to HEPA, carbon, or chemical filters.
Yes, the fans are driven by IE3 or IE5 energy-efficient motors to reduce power consumption.
It includes a sloped, anti-corrosive stainless-steel drain pan with proper insulation to prevent condensation issues.
Yes, UV-C lamps, CO₂ sensors, fresh air dampers, and differential pressure gauges are available as optional add-ons.
The unit is Eurovent, AHRI, ISO, CE, and AHRI coil certified, ensuring performance, quality, and compliance with international standards.
