Which buildings and applications does this unit serve?
The 24 ton commercial chiller serves large commercial, institutional and light industrial buildings where heating and cooling loads fall in the 60 to 100 kW range. Primary applications include: large hotels and hotel complexes (central heating, cooling and domestic hot water for 60 to 150+ rooms), office complexes and corporate campuses, factories and light industrial facilities requiring process heating or cooling below 100 °C, schools and university buildings, public and institutional buildings (hospitals, municipal centres), retail complexes and supermarkets, and small district-heating loops serving multiple buildings from a central plant. A hotel HVAC chiller at this scale replaces both the boiler plant and the cooling system with a single piece of equipment. For loads beyond 85 kW, multiple 24-ton units can operate in cascade, or the project may specify EXINDA's larger modular or water-cooled screw heat pump chiller platforms. EXINDA references at this scale include: a US school hot-water supply from air-cooled heat pump chillers and a Quebec ambulance station with heat pump plus gas boiler backup and radiant floor heating (both attributed to EXINDA).
How does it integrate with large-building hydronic systems?
At 85 kW, the unit serves as the primary thermal plant for the building or campus. The chiller produces hot or chilled water that feeds into the building's hydronic distribution network. Compatible systems include: fan-coil units in two-pipe or four-pipe configurations (hotels, offices), air handling units with heating and cooling coils (large open-plan spaces, schools, retail), underfloor heating in lobbies, ground-floor areas and radiant-floor applications, domestic hot water production via external plate heat exchangers or large storage tanks (300 to 1,000 L+), process heating and cooling loops for light industry (food preparation, laundry, pharmaceutical, textile applications below 100 °C), and district-loop distribution to multiple buildings via insulated underground piping. For buildings with simultaneous heating and cooling demand (hotels, mixed-use complexes), a four-pipe hydronic design, heat recovery configuration or thermal storage strategy should be specified at the design stage. CENTRO-GAS designs the complete hydronic integration as part of the project proposal.
What is the business case at this scale?
The financial case for a large commercial heat pump is built on four pillars. First, operating cost reduction: heat pumps deliver roughly 3 to 4 times more thermal energy than the electricity they consume, and at 85 kW, the absolute energy savings compared to a gas or oil boiler system are substantial. Second, capital consolidation: one unit replaces both a boiler and a chiller, reducing equipment cost, plant-room footprint, maintenance contracts and spare-parts inventory from two systems to one. Third, inverter efficiency: variable-speed compressors match output to load continuously, avoiding the wasteful on-off cycling of fixed-speed equipment. At partial loads (which dominate real operating profiles in hotels, schools and offices), energy consumption drops sharply. Fourth, ESG and compliance: zero on-site combustion, low-GWP refrigerant options and high seasonal efficiency support ESG reporting, green building certification and eligibility for public tenders. CENTRO-GAS prepares project-specific ROI analysis using the building's actual consumption data, tariff structure and existing plant condition, rather than generic projections.
Why inverter-driven compressors matter at 24 tons
Fixed-speed commercial chillers run at full capacity or shut off. At 24 tons, that means 85 kW cycling on and off as building load fluctuates, wasting energy on each start-up and creating temperature swings in the distribution water. The Exinda inverter commercial heat pump uses variable-speed compressors that continuously adjust output from minimum to maximum capacity. The practical consequences: energy consumption tracks actual demand rather than toggling between full power and zero, water temperature remains stable (critical for hotel comfort and process applications), compressor wear is reduced because start-stop cycles are minimised, and noise output drops during partial-load operation. At 24-ton scale, the efficiency gain from inverter control is larger in absolute terms than at 12 tons, because the gap between nominal capacity and typical operating point is wider in large buildings with variable occupancy.
Why CENTRO-GAS for large commercial heat pump projects?
A 24-ton heat pump chiller is a building-infrastructure decision, not a product purchase. CENTRO-GAS's value at this scale is the ability to engineer the complete system, not just deliver a unit. The company manufactures, installs and services industrial burners and heat systems, and applies that same engineering discipline to commercial heat pump projects. The offer includes: site survey and building load analysis, system specification including hydronic integration, buffer strategy and control architecture, installation by an in-house technical team with industrial heating experience, commissioning with documented performance verification against design parameters, and maintenance contracts with service-level commitments including response times. EXINDA provides the factory-backed platform: 60,000 m² facility, 90,000 units annual capacity, 100% in-line quality control, 5 enthalpy laboratories, climate testing from -35 °C to 60 °C, CE and ErP certification, over 100 patents, and an EU service and engineering center in Italy with dedicated engineers for European market support. For resellers serving commercial projects, CENTRO-GAS provides the technical depth behind the sale: system design support, commissioning assistance and after-sales backup that a reseller alone cannot replicate.
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