System Retrofit
modernization programme

Enhance your existing HVAC system with our versatile modernization solutions. Upgrade step by step or take advantage of the synergies between available options.

Reimagine. Reengineer. Reconstruct.

By the integration of complex solutions, we rethink — and redesign — your existing air and water systems, elevating their operational efficiency to a whole new level.

Minimal intervention
maximum performance

Our System Retrofit program is ideal for those looking not just for a replacement, but for a real opportunity to upgrade and improve.

With a wide range of available options, you can take your existing air and water management systems to an entirely new level, without the need for a complete rebuild.

Looking for a specific solution?

If needed, singular upgrades are also available — our program adapts flexibly to your specific requirements.

More than retrofit -
future-proofing built into your system

The System Retrofit program is a comprehensive service package, powered by Oxyma’s unique expertise and its extensive technological and energy network.

Comprehensive energy service package

  • Weather-based energy and thermal calculations and simulations
  • Detailed on-site pre- and post-audits
  • EKR / TAO / HEM consulting and energy certification available upon request

Comprehensive design services

  • Mechanical, structural, automation, and electrical engineering design
  • Minimal structural demolition required

Ongoing professional support

  • Tailored project management and execution to meet unique requirements
  • Lifecycle monitoring, service, and remote supervision
  • Measurable energy and water costs

Financing options

  • Identifying grant opportunities and green financing options
  • CO₂ quotas and energy compliance management
  • Long-term rental options
  • PPA, ESCO financing

The Oxyma process

  1. Energy assessment
  1. Water usage assessment
  1. Simulations and ROI calculation
  1. Concept development and detailed proposal
  1. YOU CHOOSE
  • We carry out a comprehensive assessment of the condition of your cooling and/or heating system, air handling unit, or humidification system.
  • We identify opportunities for integrating alternative water sources and implementing water reuse solutions.
  • Using weather-based simulation and our advanced calculation tools, we provide clear projections of expected performance and return on investment.
  • We provide expert recommendations on the most suitable system configurations — including pricing, expected performance, and return on investment.
  • Based on our recommendation and proposal, you choose the system configuration that best fits your needs.

Simulation + performance tracking + predictive control = guaranteed results

Performance you can plan on

In real time, based on precise weather data
Our advanced, weather-based thermal simulations and calculation tools provide detailed forecasts — from the very start of the planning phase — on system performance, consumption, and expected return on investment, all based on real meteorological data.

Lima:
A new level of smart system monitoring

With our proprietary monitoring and control software, forecasts become measurable. Thanks to advanced AI and machine learning algorithms, system performance can be automatically optimized in real time.

This ensures maximum efficiency with minimal energy use, at every moment.
Predictable performance:
not estimates — detailed, data-driven calculations
Measurable, verifiable savings:
with savings you can track in real time
Automatic optimization:
so you can always be sure your system is operating at its best
Full overview:
covering temperature, humidity, air quality, and water usage, all in one interface

"RRR" – Oxyma’s Quality Guarantee

Our high-value, comprehensive modernization programs carry the “RRR” designation — a mark of quality that reflects our Reimagine – Reengineer – Reconstruct approach.
This isn’t just another badge. It’s proof that your project meets, and even exceeds, the future standards of industry, technology, and sustainability.

System Retrofit solutions

Our program is modular, with a wide range of available options. This ensures that we always build the configuration that best matches your specific needs.

Looking for a specific solution?

If needed, singular upgrades are also available — our program adapts flexibly to your specific requirements.
Cooling Systems
Air Handling Units
Heating Systems
Humidifiers
Water Saving

Cooling System Modernization

Reduce the operating and maintenance costs of your existing cooling systems while simultaneously enhancing cooling performance and operational reliability.
ROI <4 years
SAVINGS 25-50%

Adiabatic precooling
for chillers

Adiabatic precooling technology retrofitted to existing chillers, improving cooling performance, reducing energy use and maintenance needs, and extending system lifespan. Modular, easy-to-install evaporative pads ensure an always-optimized microclimate.
ROI <5 years
SAVINGS 15-30%

Szárazhűtők, szabad-hűtők adiabatikus
előhűtése

Adiabatic precooling technology retrofitted to existing dry and free coolers, enhancing cooling performance, reducing energy consumption and maintenance, and extending system lifespan. Modular, easy-to-install evaporative pads ensure a consistently optimized microclimate.
ROI <5 years
SAVINGS 15-30%

Adiabatic precooling for refrigeration condensers and gas coolers

Adiabatic precooling technology installed in front of existing condensers and gas coolers, improving cooling performance, reducing energy use and maintenance, and extending system lifespan. Modular, easy-to-install evaporative pads ensure a consistently optimal microclimate.
ROI <4 years
SAVINGS 15-25%

Condenser-side efficiency boost with EC fan technology

Boosting condenser fan efficiency with innovative, electrically driven EC fans. Thanks to stepless motor control, the system delivers precisely the performance needed, with quiet, maintenance-free operation.
ROI <3 years
SAVINGS 15-25%

Hydraulic optimization

Improving flow rates in chiller systems by balancing pressure and adjusting pump performance. More efficient chilled water distribution reduces energy consumption, minimizes pump wear, and enhances overall cooling performance.
ROI <2 years
SAVINGS 15-20%

Lima system monitoring and control

Smart interface for local PLCs, enabling data collection, monitoring, weather-based control, and AI-driven self-optimization and diagnostics. It also enhances our energy and thermal simulation calculator, delivering even more accurate performance and savings forecasts.
ROI <3 years
SAVINGS 20-35%

Hydromx heat transfer nanofluid

A specialized Nano-Thermo technology fluid designed to dramatically improve the performance of closed-loop cooling and heating systems. It also protects against corrosion, scaling, bacteria, freezing, and cracking.
ROI <2 years
SAVINGS 10-15%

Enercoat nano carbon-polymer coating

Ultrathin graphene-based carbon-polymer coating designed to boost the performance of industrial air handling and HVAC systems. It protects condenser coil surfaces from corrosion, UV exposure, and chemicals, while improving heat transfer and extending system lifespan.
ROI <5 years
SAVINGS 5-15%

SunCooler industrial skylight cover

An innovative durable cover designed for industrial skylights, reflecting 65–70% of solar heat and radiant energy while allowing 65–70% of visible light to pass through, ensuring soft, diffused natural lighting indoors.
ROI <3 years
SAVINGS 15-25%

HeatTank phase-change thermal storage

A revolutionary, compact thermal battery that uses phase-change materials to store heat at application-specific temperatures, with high energy density and minimal heat loss.

AHU Modernization

With our wide range of efficiency-enhancing options for air handling units, we can ensure sustainable operation with minimal investment.
ROI <5 years
SAVINGS 40-70%

IntrCooll precooling for air handling units

Two-stage adiabatic precooling technology installed on the intake side of existing air handling units. It can serve as the primary cooling method for AHUs without cooling, or as a hybrid solution for units with existing cooling functions. Multiple units can be connected to a single air handling system.
ROI <5 years
SAVINGS 50-85%

IntrCooll cooling and ventilation alongside existing systems

Parallel application of two-stage adiabatic technology alongside an existing air handling system. This setup reduces fan workload significantly by leveraging low-pressure boost on the supply side, intelligent EC fan control, and gravity-based heat extraction.
ROI <4 years
SAVINGS 20-40%

PreCooll precooling for air handling units

Adiabatic precooling technology retrofitted to existing air-cooled condensers, enhancing performance, reducing energy consumption and maintenance, and extending system lifespan. Modular, easy-to-install evaporative pads ensure a consistently optimal microclimate.
ROI <3 years
SAVINGS 30-50%

AfterCooll post-cooling for air handling units

Adiabatikus utóhűtő technológia meglévő folyadékhűtőre illesztve,
a hűtési teljesítmény javítása,
az energiafogyasztás és karbantartás csökkentése, valamint a rendszerélettartam növelése érdekében. Moduláris, könnyen telepíthető párologtató betétekkel a mindig optimális mikroklímáért.
ROI <5 years
SAVINGS 15-30%

PreCooll adiabatic heat recovery precooling integrated into the exhaust air stream

Adiabatic precooling installed in the exhaust air stream of existing air handling units, enhancing performance, reducing energy use and maintenance, and extending system lifespan. The heat recovery module captures thermal energy from the extracted air and uses it to preheat the incoming fresh air.
ROI <3 years
SAVINGS 20-40%

Supply and exhaust side efficiency boost with EC fan technology

Boosting air handling unit efficiency with electrically driven fan walls. Thanks to stepless EC motor control, the system consistently delivers exactly the required output, with quiet, maintenance-free operation.
ROI <2 years
SAVINGS 15-25%

Air handling unit pressure optimization

Balancing supply and exhaust airflow in air handling units to reduce energy consumption and improve indoor air quality through fan performance tuning and airflow resistance optimization.
ROI <4 years
SAVINGS 20-40%

Air handling unit heat recovery optimization

Maximizing heat recovery from exhaust air using proprietary modules, reducing overall system energy demand.
ROI <3 years
SAVINGS 15-25%

Cooling/heating coil optimization for air handling units

Adiabatic precooling technology retrofitted to existing chillers, improving cooling performance, reducing energy use and maintenance needs, and extending system lifespan. Modular, easy-to-install evaporative pads ensure an always-optimized microclimate.
ROI <3 years
SAVINGS 15-25%

Pressure-optimized filters and electrostatic filters

Efficient electrostatic filtration with modular units for integration into air handling systems. Captures over 98% of fine particles while sterilizing the air. Its exceptionally low pressure drop enables more energy-efficient fan operation. No need for filter replacement, only occasional cleaning of the aluminum fins is required.
ROI <2 years
SAVINGS 15-20%

Lima system monitoring and control

Smart interface for local PLCs, enabling data collection, monitoring, weather-based control, and AI-driven self-optimization and diagnostics. It also enhances our energy and thermal simulation calculator, delivering even more accurate performance and savings forecasts.
ROI <3 years
SAVINGS 20-35%

Hydromx heat transfer nanofluid

A specialized Nano-Thermo technology fluid designed to dramatically improve the performance of closed-loop cooling and heating systems. It also protects against corrosion, scaling, bacteria, freezing, and cracking.
ROI <2 years
SAVINGS 10-15%

Enercoat nano carbon-polymer coating

Ultrathin graphene-based carbon-polymer coating designed to boost the performance of industrial air handling and HVAC systems. It protects condenser coil surfaces from corrosion, UV exposure, and chemicals, while improving heat transfer and extending system lifespan.
ROI <4 years
SAVINGS 15-25%

HeatTank phase-change thermal storage

A revolutionary, compact thermal battery that uses phase-change materials to store heat at application-specific temperatures, with high energy density and minimal heat loss.

Heating System Modernization

Increase the efficiency of your heating systems and leverage the potential of recycling various heat sources and waste heat.
ROI <3 years
SAVINGS 20-50%

Compressor waste heat recovery

Capturing and reusing waste heat generated during air compressor operation using a heat exchanger. This process significantly improves energy efficiency and reduces costs by reclaiming heat that would otherwise be lost.
ROI <4 years
SAVINGS 20-50%

Industrial waste heat recovery

Capturing and reusing waste heat from various industrial processes using heat exchangers. This includes recovering thermal energy generated by production equipment, furnaces, and manufacturing lines.
ROI <5 years
SAVINGS 15-30%

Process cooling water heat recovery

Recovering heat from process cooling tower recirculation water, either via the intermediary heat recovery loop of the air handling units or directly through integrated heating coils. This reduces the heating system’s required capacity and overall energy demand.
ROI <4 years
SAVINGS 20-40%

Heat recovery system installation and efficiency enhancement

Our heat recovery modules capture thermal energy from the exhaust air and repurpose it to preheat incoming cold fresh air.
ROI <4 years
SAVINGS 20-30%

Heat pump integration into air handling units

We can equip air handling unit heating coils with monoblock heat pumps capable of efficiently supporting the entire system.
ROI <2 years
SAVINGS 15-30%

Lima system monitoring and control

Smart interface for local PLCs, enabling data collection, monitoring, weather-based control, and AI-driven self-optimization and diagnostics. It also enhances our energy and thermal simulation calculator, delivering even more accurate performance and savings forecasts.
ROI <3 years
SAVINGS 20-35%

Hydromx heat transfer nanofluid

A specialized Nano-Thermo technology fluid designed to dramatically improve the performance of closed-loop cooling and heating systems. It also protects against corrosion, scaling, bacteria, freezing, and cracking.
ROI <2 years
SAVINGS 10-15%

Enercoat nano carbon-polymer coating

Ultrathin graphene-based carbon-polymer coating designed to boost the performance of industrial air handling and HVAC systems. It protects condenser coil surfaces from corrosion, UV exposure, and chemicals, while improving heat transfer and extending system lifespan.
ROI <3 years
SAVINGS 15-25%

HeatTank phase-change thermal storage

A revolutionary, compact thermal battery that uses phase-change materials to store heat at application-specific temperatures, with high energy density and minimal heat loss.

Humidifier Modernization

By integrating our modern, maintenance-free industrial humidification solutions, you can ensure the ideal humidity levels for employees and manufacturing technologies in an environmentally conscious and energy-efficient manner.
ROI <3 years
SAVINGS 75-90%

High-pressure direct spray humidification

The most advanced air humidification technology available today, designed with energy and environmental awareness in mind. In summer, it can support HVAC system performance, while also capturing airborne dust and neutralizing odors to improve air quality.
ROI <3 years
SAVINGS 40-60%

Wet media humidification

Our proprietary modular humidification wall systems use the natural power of water evaporation in a compact, space-efficient design. A highly efficient, multi-purpose alternative to energy-intensive thermal or steam-based humidification systems.

Water Saving & Recycling

Thanks to our technologies, you can reduce water consumption and gain access to efficient solutions for utilizing and recycling the saved water.
ROI <5 years
SAVINGS 30-100%

Reusing water from alternative sources

Utilizing and recycling rainwater, greywater, groundwater, condensate, leachate, wash water, rinse water, RO concentrate, cooling tower blowdown, and drain water from humidification systems.
ROI <6 years
SAVINGS 30-70%

Greywater recycling

Advanced water filtration and treatment technologies used to purify and recycle greywater for safe, efficient reuse.
ROI <6 years
SAVINGS 30-70%

Wastewater recycling

Advanced water filtration and treatment technologies applied to clean and recycle wastewater for safe and efficient reuse.
ROI <6 years
SAVINGS 30-70%

Greywater generation from wastewater

Advanced water filtration and treatment technologies applied to clean and recycle wastewater for safe and efficient reuse.
ROI <6 years
SAVINGS 30-70%

Potable water generation from greywater

Advanced water filtration and treatment technologies applied to clean and recycle wastewater for safe and efficient reuse.
ROI <6 years
SAVINGS 30-70%

Decentralized wastewater recycling

State-of-the-art decentralized water filtration and treatment technologies used to purify and recycle wastewater for reuse.
ROI <6 years
SAVINGS 30-70%

Mobile potable water generation

Advanced water filtration and treatment technologies applied to clean and recycle wastewater for safe and efficient reuse.
ROI <3 years
SAVINGS 10-15%

Utilization of AZUD Helix Automatic filters instead of media filters

The most advanced automatic disc filtration technologies on the market that offer versatile application and extremely low maintenance needs, making them a more efficient alternative to traditional media filters.
ROI <3 years
SAVINGS 10-15%

Utilization of AZUD Helix Automatic filters for ultra- and nanofiltration system protection

The most advanced automatic disc filtration technologies on the market that offer versatile use and extremely low maintenance, making them an ideal choice for a wide range of applications.
ROI <3 years
SAVINGS 10-15%

AZUD Helix Automatic for cooling tower protection

The most advanced disc filtration technologies on the market offer versatile application and exceptionally low maintenance, making them an ideal solution for a wide range of uses.
ROI <3 years
SAVINGS 20-70%

AZUD Helix Automatic for process water recycling 

The most advanced disc filtration technologies on the market offer versatile application and exceptionally low maintenance, making them an ideal solution for a wide range of uses.
ROI <3 years
SAVINGS 20-70%

HydroBank all-in-one water management station

A proprietary all-in-one water management station that handles filtration, purification, and disinfection — as well as the utilization of alternative water sources — all within a single compact, intelligent unit.
ROI <2 years
SAVINGS 15-20%

Lima system monitoring and control

Smart interface for local PLCs, enabling data collection, monitoring, weather-based control, and AI-driven self-optimization and diagnostics. It also enhances our energy and thermal simulation calculator, delivering even more accurate performance and savings forecasts.

System Retrofit in action

New System / 2023

Toyo Seat Europe

Temperature and air quality optimization with significantly lower energy input
MODERNIZATION / 2023

Pauker Holding

Upgrading a single-stage adiabatic system to a two-stage design for enhanced performance.
New System / 2023

Filtrona

Two-stage adiabatic cooling and ventilation system to combat air pollution and heatwaves.

Innovation – through both our technologies
and our process

Contact us

oxyma@oxyma.hu
General questions: +36 (46) 999-689
1155. Budapest, Taksony sor 27.
Prior arrangement by telephone

3433 Nyékládháza, Ady Endre u. 49/A
Opening hours: 8:30-17:00

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