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AIR CONDITIONING FOR HOTELS

Application: NH Hotel Laguna Palace

NH Hotel Laguna Palace
Mestre, Venice, Italy
Hotel Chain, 384 rooms
Hydronic System and WLHP System
Year 2002

The many services offered by the hotel featured different usage profiles and loads.The combination of 3 systems, Hydronic, WLHP and Packaged has allowed to satisfy at 360° the comfort requirements of the different areas of the hotel, reducing at the same time the management costs.

"The special source used for the loop left the appearance of the system unchanged and significantly reduced the environmental impact. Furthermore, the water used as an energy source is returned to the wet-dock using picturesque fountains that oxygenate the water and make it useful for the basin.
Heat pumps in the areas with irregular use allow the units to be turned on only when effectively needed, overcoming the traditional waiting periods and costs necessary to bring a traditional system into steady state."

"By specializing the systems, the cost of installation
and use were limited and the hotel management easier"

NH Hotel chain, the user

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How to simplify the system

The Packaged system is the best solution for restaurants and kitchens, reception, common areas and conference rooms

This is beacuase it uses autonomous packaged units.

The benefits of installing a Packaged system

- Minimum overall dimensions
- Best architectural integration of plants
- Savings both in first investment and in operation: cooling and heating energy are produced locally, simplifying the design, development and overall size of the system and consequently reducing the global realisation and management costs
- Care for the environment and sustainable comfort: use of R-410A ecological refrigerant and energy saving technologies

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WLHP (Water Loop Heat Pump)

The cooled or heated energy necessary for conditioning is produced locally in each served zone and freely transferred between zones with different climatic demands using “neutral” water as an exchange fluid with the consequent reduction in consumption and management costs.
The system is based on a hydraulic circuit (loop) passed through by water moved by pumps and in typically “neutral” conditions respect to the environment (20-30°C), which acts as a source for energy producers formed of water-air or water-water heat pumps.

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Enhanced Hydronic

The cooling or thermal energy necessary for conditioning is produced at condominial level and then distributed. The air handling unit guarantees the necessary fresh air.

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Enhanced VRF

Hotel rooms and common areas are air-conditioned by VRF direct expansion systems, which heat, cool and produce domestic hot water.
The air renewal and purification are assigned to ZEPHIR3, the complete and autonomous system for handling primary air with active thermodynamic recovery and electronic filtration.

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