Features of Chiller Application and Operation in Poland: Use Cases, Regulations, and Expert Recommendations

In Poland, cooling systems are embedded in the logic of industrial and commercial infrastructure. The climate demands engineering precision: in January, temperatures can drop to –25°C, while in July, they often exceed +35°C. These are not just weather numbers—they directly impact chiller output, building thermal inertia, and the cooling demand of the conditioned volume. Humidity can reach 90%, especially during seasonal transitions, while weekly temperature swings can exceed 30 degrees. All of these are critical variables in HVAC system design.

Add to this the strict European Union standards: energy efficiency directives, environmental regulations, refrigerant and leak-tightness requirements. Every design error means increased energy consumption, legal fines, production downtime, and potential loss of raw materials.

Climate Challenges in Poland: How Weather Impacts Cooling Systems

Poland belongs to a climatic zone with pronounced seasonal variation. This isn’t just about summer and winter—it’s about abrupt transitions, rapid humidity changes, and pressure fluctuations that directly affect refrigeration system operation.

• January: Down to –25°C in the East — critical for selecting winter operation modes and evaporator frost protection.
• July: +35°C and higher in the South and West — peak thermal load demands optimal condenser performance.
• Spring/Autumn: Temperature swings of 20–30°C within a few days, with high humidity.
• Average annual humidity: 75–90%, increasing condensate load, corrosion risk, and stress on automation.
• Precipitation: Up to 1000 mm/year — crucial for outdoor units and corrosion protection of structural components.

What Does This Mean for Real-World Operation?

• If the evaporator lacks frost protection (antifreeze loop or bypass line), icing may occur even at +5°C ambient.
• Without properly sized heat exchangers and weather-adaptive controls, the condenser may overheat as early as May.
• Without free cooling or variable load control, annual energy waste may reach 20–25%. For industrial rates, the cost difference becomes significant.

Conclusion: In Poland, HVAC systems must not be selected solely by catalog specs or nominal capacities. A detailed design is essential — one that accounts for:

• Regional climate conditions
• Humidity levels and wind variability
• Mean and extreme temperature values
• Scenarios with unpredictable weather
• Energy efficiency and seasonal performance standards
• Installation conditions (indoor/outdoor, service access)
• Facility characteristics (application, operating modes, heat loads)
• Automation and system control requirements

Where the Chiller Is a Critical Industrial Asset

Food Industry

• Cooling is an integral part of sanitary control. The temperature window in storage and packaging zones must be strictly maintained between –2°C and +4°C.
• Even a 0.5°C deviation can violate HACCP (Hazard Analysis and Critical Control Points) protocols and lead to product spoilage.
• Consequences may include product recalls, fines from sanitary authorities, and halted production lines.

Solution:
Precision refrigeration equipment with PID control and food-grade digital sensors, maintaining ±0.1 °C temperature stability. Backup pump stations, redundant compressors, and emergency monitoring systems with remote access via BMS or SCADA minimize risks.

Plastics, Injection Molding, and Chemical Industries
Molds and extruders require cooling water at 8–12 °C. Even short-term temperature deviations can:

• Cause product deformation
• Lead to rejects and material waste
• Distort geometry, especially with materials like ABS, PEHD, or PA

Solution:
Use of PID control, buffer tanks, and stable pump groups for precise and uninterrupted cooling.

Hotels, Office Buildings, and BMS-Integrated Facilities

• Permissible indoor noise: up to 30 dBA (especially critical for night operation)
• Use of R32 refrigerant and SCOP > 3.5 — required for energy efficiency certification
• Integration with Building Management Systems (BMS) according to EPBD and TEWI directives

Solution:
Low-noise indoor units (≤ 25–30 dBA), inverter compressors on R32 refrigerant with seasonal energy efficiency SCOP > 3.5, and equipment with open protocols (BACnet, Modbus, KNX) for seamless BMS integration and compliance with EPBD and TEWI on energy and carbon footprint.

Incubators, Poultry Farms, and Agriculture

• Incubator temperature: strictly between 37.2–37.5°C
• ±0.3 °C deviation leads to lower hatch rates and disrupts the production cycle

Solution:
24/7 operating mode, redundant pumps, backup power (diesel generator or UPS), and a well-planned switchover logic for critical biological zones.

EVROPROM Project Experience

Gołębiewski Holding
🧊 320 kW / SYSTEMAIR SYSAQUA 320 R32

Low-noise solution for extrusion processes using R32 refrigerant. Complies with A++ energy efficiency class and EPBD directive. Fully integrable with BMS and supports nighttime operation ≤ 30 dBA.

GEOPRODUCT BBG
🧊 626 kW / UNIFLAIR BREF2812A

Reliable chiller for a hotel with high thermal inertia, adapted to unstable operational schedules. Features automatic load fluctuation response and raw material thermal shock protection.

EFARM
🧊 593 kW / CARRIER 30RB0602

Industrial-grade solution for continuous temperature control in food processing. Maintains precision at +2 ± 0.2 °C with redundant pump stations and an emergency mode for power outage protection.

Millano
🧊 288 kW / SYSTEMAIR SYSCROLL 290 AIR

System with high-precision temperature stabilization ±0.5 °C, designed for sensitive products such as chocolate. Inverter control, SCOP optimization, and automatic adjustment during seasonal transitions.

Ferma Drobiu Sławomir Pastuszak
🧊 423 kW / SYSTEMAIR WQH 1404

Climate control system for incubators: tightly regulated temperature range 37.2–37.5 °C with a tolerance of ±0.3 °C. Operates 24/7 with backup power and fault-tolerant equipment in biologically critical zones.

Regulatory and Legal Framework in HVAC: A Mandatory Part of System Design

F-Gas Regulation (EU 517/2014)

The EU regulation governing the use of fluorinated greenhouse gases applies across the entire European Union and is strictly enforced:

• GWP Accounting: Calculation of CO₂ equivalent emissions (tons of CO₂-eq) is a mandatory parameter when selecting equipment and in project documentation;
• Transition to Low-GWP Refrigerants: Replacement of obsolete refrigerants such as R410A and R404A with more environmentally friendly alternatives — R32, R513A, R1234ze(E), and others;
• Equipment Registration: All systems charged with more than 5 tons of CO₂-eq must be registered and undergo mandatory leak checks at intervals of 3 to 12 months;
• Personnel Certification: Installation, servicing, and disposal of equipment are only permitted by certified technicians with F-Gas licenses (Categories I–IV) issued by an accredited authority.

Violations are classified as environmental offenses and may lead to shutdowns, administrative penalties, or suspension of operations.

UDT (Urząd Dozoru Technicznego, Poland)

Technical supervision of HVAC equipment in Poland is handled by UDT — the authority overseeing all stationary refrigeration and heat pump units:

• Registration Threshold: All systems with a cooling capacity of 25 kW or higher must be officially registered;
• Commissioning Protocol: No chiller or heat pump may be operated without a commissioning protocol signed by a UDT inspector;
• Documentation Package: Must include a Polish-language installation passport, CE declarations, electrical and hydraulic schematics, and protocols from factory and commissioning tests;
• Liability: Operating without UDT approval may result in fines up to 50,000 PLN, suspension of operations, cancellation of insurance coverage, or denial of damage compensation.

Chiller Rental — A Technically Justified Strategy for Your Facility

Industrial rental of climate control equipment is an engineering tool that offers high operational readiness while minimizing CAPEX:

• OPEX Model: All costs are classified as operational expenses, which is especially relevant for budget-constrained projects or short-term ROI planning horizons;
• Accelerated Project Launch: Standard chillers, buffer tanks, pump groups, and fans are available from stock. Full system commissioning possible within 48–72 hours;
• Technical Validation: On-site equipment testing allows for performance verification under unstable loads before making a purchasing decision;
• Integrated Service: The rental package includes maintenance, remote monitoring, component replacement, and emergency response — all without separate contracts;
• Ideal For: Seasonal operations (e.g., peak summer cooling), temporary packaging or agro lines, industrial upgrades, and energy audits.

Why Engineers Choose EVROPROM

• 11+ Years of Industry Expertise:
  We’ve experienced every stage of HVAC evolution — from R407C to R32 and from stand-alone units to full BMS and SCADA integration. Our understanding of regulatory frameworks is as strong as our knowledge of thermodynamics.
• 500+ Completed Projects in 60+ Countries:
  We confidently operate in complex regulatory environments — from EPBD and F-Gas to ASHRAE and UDT. We balance between climate zones, load profiles, noise restrictions, and GWP limitations.
• Complete Documentation Package:
  CE declarations, equipment passports, user manuals, F-Gas logs, factory and commissioning protocols — provided in Polish, German, English, or the client’s local language.
• EU-Based Warehouse and Service Infrastructure:
  Standardized chillers and accessories ready for shipment within 48–72 hours — including buffer tanks, pump modules, and fluid circuits.
• Project Engineering Support:
  Assistance at every stage — from thermal/cooling load calculation and BIM layout planning to UDT clearance and BMS/Modbus TCP/IP integration.
• Engineering Transparency:
  Honest calculations, open thermal profiles, and video reports from completed factory acceptance tests.

Contact us — we’ll help select the right equipment, identify potential bottlenecks, and eliminate them before they impact your operation.

📞 +48 799 355 595
📧 info@evroprom.com

Author of the article:
Sviatoslav Ovcharenko, Sales Manager
01.08.2025