A Technical Overview of Air Handling Units Vertical: Specifications and Applications

Types of Vertical Air Handling Units (AHUs)

A vertical air handling unit (AHU) is a space-efficient HVAC system designed to condition and circulate air in commercial and industrial environments. These units are installed vertically to save floor space and are ideal for buildings with limited mechanical room availability. Vertical AHUs come in various configurations, each tailored to specific climate control needs, energy efficiency goals, and architectural requirements.

Standard AHU

The most basic type of vertical AHU, primarily focused on air filtration and distribution without integrated heating or cooling components.

Advantages

• Effective air filtration and purification
• Improves indoor air quality (IAQ)
• Simple design with low maintenance needs
• Cost-effective for basic ventilation

Limitations

• No heating or cooling capability
• Limited climate control functionality
• Requires external HVAC systems for temperature regulation

Best for: General office spaces, lobbies, and areas where air quality is a priority but temperature control is managed separately

Fan Coil Unit (FCU)

Compact units that combine a fan and a hydronic coil (carrying hot or chilled water) to provide localized heating and cooling.

Advantages

• Provides precise temperature control in specific zones
• Energy-efficient for targeted climate management
• Quiet operation with minimal noise disruption
• Ideal for retrofitting into existing buildings

Limitations

• Dependent on central boiler/chiller system
• Requires regular maintenance of coils and drains
• Potential for water leaks if not properly maintained

Best for: Offices, server rooms, retail spaces, and hotel rooms requiring individual zone control

Dehumidification Units

Specially engineered to reduce and maintain optimal humidity levels in sensitive environments.

Advantages

• Prevents mold, mildew, and corrosion
• Protects sensitive equipment and inventory
• Maintains consistent humidity levels (typically 40–60% RH)
• Improves occupant comfort and health

Limitations

• Higher initial investment
• Requires proper drainage systems
• May consume more energy in extreme conditions

Best for: Data centers, pharmaceutical labs, manufacturing facilities, and warehouses storing electronics or hygroscopic materials

Energy Recovery AHU

Advanced units that capture and transfer thermal energy from exhaust air to incoming fresh air, significantly improving energy efficiency.

Advantages

• Reduces heating and cooling loads by up to 70%
• Lowers utility costs and carbon footprint
• Complies with green building standards (LEED, BREEAM)
• Enhances indoor air quality through continuous ventilation

Limitations

• Higher upfront cost
• More complex installation and controls
• Requires regular filter and core maintenance

Best for: Hospitals, laboratories, large commercial buildings, and industrial plants with high ventilation demands

Ventilation AHU

Designed specifically to introduce fresh outdoor air and expel stale indoor air, ensuring healthy indoor air quality.

Advantages

• Meets ASHRAE 62.1 ventilation standards
• Reduces CO₂ buildup and airborne contaminants
• Supports occupant health, focus, and productivity
• Can integrate with air filtration systems (HEPA, MERV)

Limitations

• Increases heating/cooling load due to outdoor air intake
• Requires ductwork for air distribution
• May need supplemental conditioning in extreme climates

Best for: Schools, auditoriums, conference centers, gyms, and densely occupied commercial spaces

Concealed AHU

Compact, low-profile units designed to be hidden in ceilings, walls, or false enclosures to preserve architectural aesthetics.

Advantages

• Space-saving and visually unobtrusive
• Maintains interior design integrity
• Easy access for maintenance via ceiling panels
• Quiet operation suitable for noise-sensitive areas

Limitations

• Limited capacity compared to larger units
• Requires careful planning for installation access
• Potential challenges with serviceability in tight spaces

Best for: Luxury offices, boutique hotels, retail showrooms, and historical buildings where visual appeal is critical

Unit Type	Primary Function	Energy Efficiency	Best Applications	Maintenance Level
Standard AHU	Air filtration & circulation	Medium	Offices, lobbies, general spaces	Low
Fan Coil Unit (FCU)	Localized heating/cooling	High (zonal control)	Hotels, server rooms, retail	Medium
Dehumidification Unit	Moisture control	Medium to High	Data centers, labs, warehouses	Medium
Energy Recovery AHU	Heat/cool energy recovery	Very High	Hospitals, large commercial buildings	Medium-High
Ventilation AHU	Fresh air supply	Medium (without recovery)	Schools, auditoriums, conference halls	Medium
Concealed AHU	Discreet air conditioning	Medium	Hotels, offices, retail stores	Medium

Expert Tip: When selecting a vertical AHU, consider not only the immediate space requirements but also long-term energy costs, maintenance access, and compatibility with building automation systems (BAS) for optimal performance and control.

How to Choose Vertical Air Handling Units (AHUs)

Selecting the right vertical air handling units is essential for ensuring optimal indoor air quality, thermal comfort, and energy performance in both commercial and industrial environments. These units are ideal for installations where floor space is limited, offering a compact footprint while delivering powerful ventilation, heating, cooling, and air filtration. To make an informed decision, several key factors must be evaluated based on the building’s design, operational needs, and environmental conditions.

1. Space Requirements and Installation Constraints

Urban and Retrofit Applications

In densely populated urban areas or existing buildings undergoing HVAC upgrades, space is often at a premium. Vertical AHUs are specifically designed to fit into tight mechanical rooms, closets, or vertical shafts, making them ideal for high-rise buildings, hospitals, and office complexes. Their upright configuration allows for efficient use of vertical space, minimizing the impact on valuable floor area.

Industrial and Large-Scale Facilities

For industrial plants, manufacturing units, or large commercial centers, vertical AHUs can be customized with higher airflow capacities and reinforced structural components. While larger in height, they still maintain a smaller footprint compared to horizontal units. This makes them suitable for integration into multi-story facilities where ductwork can be routed vertically through building cores.

2. Energy Efficiency and Operating Costs

Energy efficiency is a top priority for facility managers aiming to reduce utility expenses and meet sustainability goals. Modern vertical AHUs come equipped with energy recovery systems—such as enthalpy wheels, heat pipes, or plate heat exchangers—that capture and reuse thermal energy from exhaust air.

Energy Recovery Ventilators (ERVs): Ideal for climates with high humidity; transfer both heat and moisture to precondition incoming air.

Heat Recovery Ventilators (HRVs): Best for dry climates; recover sensible heat without transferring moisture.

Variable Frequency Drives (VFDs): Allow fan motors to operate at variable speeds based on demand, reducing energy consumption by up to 50% during partial load conditions.

Choosing units with high SEER (Seasonal Energy Efficiency Ratio) ratings and EC (electronically commutated) motors further enhances long-term cost savings and supports green building certifications like LEED or BREEAM.

3. Environmental Conditions and Specialized Needs

The operating environment plays a critical role in determining the appropriate AHU configuration. For example, facilities with high humidity levels—such as indoor swimming pools, textile mills, pharmaceutical labs, or food processing plants—require dehumidification capabilities to maintain air quality and prevent microbial growth.

Humid Environments

Vertical AHUs with integrated dehumidification coils, condensate management systems, and corrosion-resistant materials (e.g., stainless steel or coated aluminum) are essential. These units prevent mold formation, protect sensitive equipment, and ensure product integrity in moisture-sensitive industries.

Cleanroom & Healthcare Settings

In hospitals, laboratories, or semiconductor manufacturing, AHUs must include HEPA or ULPA filters, tight seals, and advanced control systems to maintain sterile or contamination-controlled environments. Fan coil units mounted in ceilings or integrated into AHUs must also meet strict air cleanliness standards.

4. Cooling and Heating Load Calculations

Accurate load assessment is crucial to avoid system inefficiencies. Undersized AHUs struggle to maintain desired temperatures, leading to constant operation, increased wear, and poor occupant comfort. Oversized units short-cycle—turning on and off frequently—which reduces efficiency, causes temperature swings, and accelerates component failure.

Load Factor	Impact on AHU Selection	Best Practice
Building Insulation & Glazing	Affects heat gain/loss	Use Manual J or equivalent software for precise calculations
Occupancy Levels	Increases latent and sensible loads	Size AHU based on peak occupancy and ventilation requirements
Internal Heat Sources	Equipment, lighting, and processes add heat	Include all internal gains in load modeling
Climate Zone	Determines heating vs. cooling dominance	Select AHU with balanced heating/cooling capacity or dual-fuel options

5. Customization and Advanced Control Integration

Many clients in specialized sectors—such as healthcare, data centers, or precision manufacturing—require tailored AHU solutions. These may include:

Modular Design: Allows for field assembly and scalability as facility needs evolve.

Smart Controls: Integration with Building Management Systems (BMS) for real-time monitoring, remote diagnostics, and demand-controlled ventilation.

Noise Reduction: Acoustic insulation and low-noise fans for quiet operation in residential or office settings.

Corrosion Protection: Coated coils and housings for coastal or chemically aggressive environments.

Custom AHUs ensure compliance with industry-specific regulations (e.g., ASHRAE 170 for healthcare ventilation) and support mission-critical operations where environmental stability is non-negotiable.

Important: Always conduct a thorough site assessment and load analysis before specifying a vertical air handling unit. Collaborate with mechanical engineers and HVAC specialists to ensure compatibility with existing ductwork, electrical systems, and building automation. Improper selection can lead to reduced lifespan, higher maintenance costs, and occupant dissatisfaction. Investing time upfront in proper AHU selection pays long-term dividends in performance, efficiency, and reliability.

Industry Applications of Vertical Air Handling Units

Vertical air handling units (AHUs) are essential components in modern HVAC systems, delivering efficient air conditioning, ventilation, and environmental control across a wide range of industries. Their compact, space-saving design makes them ideal for buildings with limited mechanical room space, while their robust performance ensures consistent indoor air quality, thermal comfort, and energy efficiency. These systems condition, filter, and circulate air to meet the specific demands of various environments—from commercial offices to high-tech data centers.

Key Advantage: Vertical AHUs are particularly beneficial in urban or retrofit projects where floor space is at a premium. Their upward airflow configuration allows for installation in tight mechanical closets, basements, or rooftops without sacrificing performance.

Commercial Real Estate

In commercial office buildings, retail complexes, and mixed-use developments, vertical AHUs play a central role in maintaining a healthy, productive, and comfortable indoor environment. These systems regulate temperature and humidity while continuously filtering airborne particulates such as dust, pollen, and urban pollutants.

• Ensure consistent air quality to support employee focus, reduce sick days, and enhance occupant well-being
• Support LEED and WELL Building certifications through energy-efficient operation and improved ventilation
• Integrate seamlessly with building automation systems (BAS) for zoned climate control and occupancy-based scheduling
• Reduce noise levels in open-plan offices and retail spaces with vibration-dampening mounts and sound-absorbing insulation

Did you know? Studies show that improved indoor air quality can boost cognitive performance by up to 101% in office environments.

Healthcare Facilities

Hospitals, clinics, and laboratories demand the highest standards of air purity and environmental control. Vertical AHUs are engineered to meet strict healthcare regulations, including ASHRAE 170 standards for ventilation in healthcare facilities. These units are critical in preventing cross-contamination and protecting vulnerable patients.

• Utilize HEPA or MERV-13+ filtration to capture bacteria, viruses, and allergens
• Maintain precise humidity levels (40–60%) to inhibit microbial growth and protect sensitive medical equipment
• Support pressurization strategies in operating rooms, isolation wards, and pharmacies to control airflow direction
• Enable rapid air changes per hour (ACH) to minimize airborne pathogen concentration

Critical requirement: AHUs in healthcare must include redundant components and fail-safe operation to ensure uninterrupted service.

Industrial Facilities

Manufacturing plants, chemical processing units, and heavy industrial operations face extreme air quality challenges due to fumes, dust, heat, and corrosive gases. Vertical AHUs in these environments are built with durable materials and enhanced filtration to withstand harsh conditions.

• Remove hazardous particulates and volatile organic compounds (VOCs) using activated carbon or specialty chemical filters
• Withstand high temperatures and corrosive atmospheres with galvanized or stainless-steel casings
• Support explosion-proof designs in environments with flammable vapors or dust
• Integrate with exhaust systems to maintain safe air quality and comply with OSHA and EPA regulations

Pro tip: Pair AHUs with energy recovery ventilators (ERVs) to reduce heating and cooling costs in large industrial spaces.

Hospitality Sector

In hotels, resorts, and conference centers, guest comfort is paramount. Vertical AHUs provide quiet, reliable climate control across guest rooms, lobbies, restaurants, and event spaces. Their discreet footprint allows installation in guest room closets or service corridors without disrupting aesthetics.

• Deliver consistent temperature and humidity for enhanced guest comfort and sleep quality
• Reduce noise transmission with insulated cabinets and low-speed fan operation
• Minimize maintenance disruptions with easy-access panels and modular components
• Lower energy consumption through variable frequency drives (VFDs) and demand-controlled ventilation

Bonus benefit: Improved indoor air quality reduces odors in kitchens and smoking areas, enhancing overall guest experience.

Data Centers

Data centers generate immense heat from continuous server operation. Even minor temperature fluctuations can lead to hardware failure, downtime, or data loss. Vertical AHUs are critical in maintaining tight thermal and humidity control to ensure optimal performance and longevity of IT infrastructure.

• Precisely maintain temperatures between 68°F–75°F (20°C–24°C) and humidity at 40%–60%
• Prevent condensation and static electricity buildup that can damage sensitive electronics
• Support N+1 redundancy configurations for uninterrupted cooling during maintenance
• Integrate with hot aisle/cold aisle containment strategies to maximize cooling efficiency

Technical insight: Modern AHUs in data centers often use chilled water coils and are connected to centralized cooling plants for scalable, energy-efficient operation.

Industry	Primary AHU Function	Key Performance Requirements	Recommended Features
Commercial Real Estate	Thermal comfort & air quality	Energy efficiency, low noise, smart controls	VFDs, MERV-8 filters, BAS integration
Healthcare Facilities	Infection control & environmental stability	High filtration, humidity control, reliability	HEPA/MERV-13, redundant blowers, steam humidifiers
Industrial Facilities	Contaminant removal & worker safety	Durability, corrosion resistance, high airflow	Stainless steel housing, chemical filters, explosion-proof motors
Hospitality	Guest comfort & quiet operation	Low noise, individual zone control, energy savings	Acoustic insulation, thermostatic controls, ERVs
Data Centers	Heat dissipation & hardware protection	Precise temperature/humidity control, redundancy	Chilled water coils, N+1 design, hot aisle containment

Additional Considerations for Vertical AHU Selection

• Space Constraints: Vertical units are ideal for retrofit projects or buildings with limited horizontal mechanical space.
• Energy Efficiency: Look for units with high SEER ratings, EC motors, and demand-controlled ventilation to reduce operating costs.
• Maintenance Access: Units should feature removable panels and accessible components for routine servicing.
• Noise Levels: Specify low-Sone models for occupied spaces like hotels and offices.
• Indoor Air Quality (IAQ): Incorporate advanced filtration, UV-C lights, and CO₂ sensors for healthier environments.
• Sustainability: Choose AHUs with recyclable materials and refrigerants with low global warming potential (GWP).

Expert Insight: When selecting vertical AHUs, always consider lifecycle costs over initial purchase price. Investing in higher-efficiency, durable units may cost more upfront but delivers significant savings in energy, maintenance, and downtime over 10–15 years—especially in mission-critical environments like hospitals and data centers.

Product Specifications and Features of Vertical Air Handling Units

Vertical air handling units (AHUs), including fan coil units, are essential components in modern HVAC systems, providing efficient air conditioning, ventilation, and temperature control for commercial, industrial, and residential spaces. Understanding their key specifications, mechanical components, installation requirements, and maintenance protocols is crucial for buyers, engineers, and facility managers. This comprehensive guide details the critical features of vertical AHUs to support informed decision-making and optimal system performance.

Important Note: Always consult manufacturer specifications and local building codes when selecting and installing AHUs. Improper installation or maintenance can lead to reduced efficiency, poor indoor air quality, and premature equipment failure.

Mechanical Features of Vertical Air Handling Units

Vertical air handling units integrate several core mechanical components that work synergistically to condition, filter, and circulate air throughout a building. These components are engineered for reliability, energy efficiency, and quiet operation. Key mechanical features include:

• Fan System: The fan is the heart of the AHU, responsible for drawing in return air and expelling conditioned air into the space. Modern vertical units typically use centrifugal or axial fans designed for high efficiency and low noise. Variable Frequency Drives (VFDs) allow for precise speed control, enabling demand-based airflow modulation. This adaptability improves energy savings and occupant comfort by matching output to real-time cooling or heating loads.
• Heating and Cooling Coils: AHUs are equipped with chilled water, hot water, or direct-expansion (DX) coils that transfer thermal energy to or from the airstream. Copper tubes with aluminum fins are commonly used due to their excellent thermal conductivity and corrosion resistance. Coil design is optimized for maximum heat exchange efficiency while minimizing pressure drop. Some advanced models include frost protection and condensate management systems for enhanced performance in varying climates.
• Multi-Stage Filtration System: Air filters play a vital role in maintaining indoor air quality (IAQ) by capturing dust, pollen, mold spores, and other airborne contaminants. Vertical AHUs support a range of filter types, from basic MERV 8 panel filters for general use to high-efficiency MERV 13–16 pleated or HEPA filters for healthcare or cleanroom environments. Proper filtration not only protects occupants but also prevents coil fouling and extends equipment life.

Installation Requirements and Considerations

Successful installation of vertical air handling units depends on careful planning, space assessment, and integration with existing HVAC infrastructure. Improper installation can compromise performance, increase noise, and complicate maintenance. Key installation factors include:

• Mounting Configuration: Vertical AHUs are typically floor-mounted or ceiling-suspended, depending on available space and architectural design. Floor-mounted units require a stable, level surface with adequate clearance for service access. Ceiling-mounted models must be securely fastened to structural supports capable of bearing the unit’s weight, including water-filled coils. Proper mounting ensures vibration isolation and reduces noise transmission to occupied spaces.
• Ductwork Integration: Duct design is critical to achieving balanced airflow and minimizing energy losses. Ducts must be properly sized to match the AHU’s airflow capacity (measured in CFM – Cubic Feet per Minute) and configured to reduce turbulence and static pressure. Flexible connectors should be used between the unit and ducts to absorb vibration. Insulation of supply and return ducts prevents condensation and thermal loss, especially in unconditioned spaces like ceilings or mechanical rooms.
• Clearance and Accessibility: Maintain recommended clearances around the unit (typically 18–24 inches) for filter access, coil cleaning, and component servicing. Units installed in tight spaces should include swing-out panels or removable sections to facilitate maintenance without disassembly.

Maintenance and Servicing Guidelines

Regular maintenance is essential for preserving the efficiency, longevity, and air quality performance of vertical air handling units. A proactive maintenance schedule prevents costly breakdowns and ensures consistent occupant comfort. Key maintenance tasks include:

• Filter Replacement and Inspection: Filters should be inspected monthly and replaced based on usage and environmental conditions. In high-traffic areas such as offices, schools, or hospitals, filters may require replacement every 1–3 months. Clogged filters restrict airflow, increase fan energy consumption, and reduce cooling efficiency. Always use filters with the correct MERV rating and dimensions specified by the manufacturer.
• Fan and Motor Maintenance: Fans and motors should be checked quarterly for unusual noise, vibration, or bearing wear. Lubricate motor bearings if required (non-sealed motors), and clean fan blades to remove dust buildup that can unbalance the rotating assembly. Misaligned or dirty fans reduce airflow and increase power draw.
• Coil Cleaning and Inspection: Coils should be cleaned at least twice a year—before the cooling and heating seasons. Use a soft brush or compressed air to remove surface dust, and apply a coil cleaner solution for deeper cleaning if necessary. Dirty coils act as insulators, reducing heat transfer efficiency by up to 30%. Also inspect for refrigerant leaks (in DX systems) and ensure drain pans are clean and properly sloped.
• Control System Calibration: Verify that temperature sensors, actuators, and control dampers are functioning correctly. Calibrate thermostats and building management system (BMS) interfaces to ensure accurate feedback and responsive operation.

Component	Function	Maintenance Frequency	Recommended Tools/Supplies
Fan & Motor	Air circulation and pressure generation	Quarterly inspection, lubrication as needed	Vibration meter, lubricant, cleaning brush
Cooling/Heating Coil	Heat exchange with air stream	Bi-annual cleaning	Coil cleaner, soft brush, water hose
Air Filters	Particulate and contaminant removal	Monthly inspection, 1–6 months replacement	Replacement filters, gloves, mask
Ductwork	Air distribution throughout building	Annual inspection	Flashlight, sealant, insulation tape
Drain Pan & Trap	Condensate collection and removal	Quarterly cleaning	Algaecide, drain snake, biocide

Expert Tip: Implement a digital maintenance log to track service intervals, part replacements, and performance metrics. This data helps predict failures, optimize scheduling, and demonstrate compliance with health and safety regulations.

Additional Recommendations for Optimal Performance

• Use energy-efficient motors (ECM or IE3-rated) to reduce long-term operating costs.
• Install vibration isolators and acoustic insulation to minimize noise in sensitive environments.
• Integrate AHUs with Building Automation Systems (BAS) for remote monitoring and control.
• Consider units with thermal insulation on the casing to prevent condensation and improve efficiency.
• Train facility staff on basic troubleshooting and emergency shutdown procedures.

Investing time in understanding the specifications, proper installation, and ongoing maintenance of vertical air handling units ensures reliable, energy-efficient climate control. By selecting the right unit for your space and adhering to a structured maintenance plan, you can enhance indoor air quality, extend equipment lifespan, and reduce operational costs over time. For complex installations or performance issues, always consult with a licensed HVAC professional.

Frequently Asked Questions About Vertical Air Handling Units

Q. Do vertical air handling units have energy-saving features?

Yes, modern vertical air handling units (VAHUs) are designed with several energy-saving technologies to enhance efficiency and reduce operational costs. These include:

• Energy-Efficient Motors: Many units use EC (electronically commutated) or high-efficiency AC motors that consume significantly less power than standard motors.
• Variable Speed Drives (VSDs): These allow the fan speed to adjust dynamically based on real-time demand, reducing energy use during partial load conditions.
• Energy Recovery Systems: Advanced models incorporate energy recovery wheels or heat exchangers that capture thermal energy from exhaust air and use it to pre-condition incoming outdoor air—reducing the load on heating and cooling systems.
• Smart Controls: Integration with building management systems (BMS) enables optimized scheduling, demand-controlled ventilation, and remote monitoring for further energy savings.

Units with energy recovery are among the most efficient, especially in regions with extreme climates—where pre-heating or pre-cooling incoming air can lead to substantial energy savings. Over time, these features can significantly lower utility bills and contribute to sustainability goals.

Q. Do air handling units require a lot of maintenance?

No, air handling units do not require excessive maintenance, but regular upkeep is essential to ensure long-term reliability, efficiency, and indoor air quality. Maintenance needs vary based on the components and operating environment, but generally include:

• Air Filters: Should be inspected monthly and replaced or cleaned every 1–3 months, depending on usage and air quality. Clogged filters reduce airflow and increase energy consumption.
• Cooling/Heating Coils: Require periodic cleaning to remove dust and debris that can insulate the coils and reduce heat transfer efficiency.
• Fans and Motors: Bearings should be lubricated as needed, and belts (if present) checked for tension and wear. Vibration and noise are early signs of potential issues.
• Drain Pans and Traps: Must be kept clean to prevent microbial growth and water overflow, especially in humid environments.

The good news is that most maintenance tasks are straightforward and do not require specialized technical expertise. With a consistent preventive maintenance schedule, air handling units can operate efficiently for many years. Some newer models even include self-diagnostic features that alert technicians to potential problems before they escalate.

Q. What are the advantages of vertical air handling units over horizontal ones?

Vertical air handling units (VAHUs) offer several key advantages, particularly in space-constrained environments:

• Space Efficiency: VAHUs have a smaller footprint and are ideal for installations where floor space is limited. They are commonly mounted in mechanical closets, utility rooms, or tight ceiling spaces.
• Ease of Installation: Their vertical orientation makes them easier to integrate into buildings with low ceiling heights or restricted horizontal clearance.
• Flexible Ductwork Routing: They allow for more versatile duct configurations, with top, bottom, or side discharge options, adapting well to complex building layouts.
• Accessibility: Components like filters and motors are often more accessible in vertical models, simplifying maintenance.

In contrast, horizontal air handling units (HAHUs) are better suited for large open mechanical rooms and applications requiring high airflow volumes, such as data centers or industrial facilities. The decision between vertical and horizontal units ultimately depends on the building’s architectural constraints, airflow requirements, and available service space. For retrofit projects or compact urban buildings, vertical units are often the preferred choice.

Q. Are these air-handling units suitable for industrial environments?

Yes, vertical air handling units are highly suitable for industrial environments, especially when configured with robust components and specialized features. Industrial settings often demand:

• High Airflow Capacity: To ventilate large spaces and remove heat generated by machinery.
• Durability: Units built with corrosion-resistant materials (e.g., galvanized steel or stainless steel) can withstand harsh conditions, including high humidity, chemical exposure, or airborne particulates.
• Custom Filtration: Enhanced filtration systems (e.g., MERV 13 or higher) help capture dust, fumes, and contaminants common in manufacturing or processing plants.
• Integration with Fresh Air Systems: A fan coil unit with a fresh air duct is particularly effective in industrial applications, as it combines temperature control with continuous supply of conditioned outdoor air—improving indoor air quality and worker comfort.

These units can be customized with heating coils, cooling coils, humidifiers, and sound attenuators to meet specific industrial requirements. Whether used in warehouses, factories, or processing facilities, vertical air handling units provide reliable, scalable, and energy-efficient climate control solutions tailored to demanding operational environments.