5 things to consider when designing a HVAC system for a hotel
Hotels are typically applications where HVAC systems are required to create the best possible comfort for guests with reliable and efficient technologies.
Customer experience is a priority for any hotel owner as it is synonymous of hospitality. It should be no surprise that customer experience is a defining characteristic of this business. Customer experience is what the hospitality industry is all about.
Nowadays consumers have hundreds of choices, and they look for and demand the best, especially when it comes to choosing where they will sleep. When looking for a vacation or a business stay, consumers look at what a property will offer and how comfortable they will feel. Hotels, then, need to make a memorable impression for guests to first choose that property and then come back again.
HVAC systems are definitely important for hotels that aim at being responsive to customers’ comfort expectations and create that perfect comfort which will help making customer experience memorable. HVAC systems, though, can also have a significant impact on buildings operating costs, and consequently on business profits. For this reason, in this article we want to discuss five aspects that might be worth taking into account when designing a HVAC system for a hotel.
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1 – Hot sanitary water
A hotel definitely needs cooling to create that comfort every guest is looking for, but it also needs hot sanitary water, and total heat recovery is a great feature a chiller can offer to drastically reduce energy consumptions deriving from hot sanitary water production.
In fact, hotels’ need for comfort cooling throughout the year can be used to produce hot sanitary water as well, thanks to the total heat recovery option. Hotels hosting events, for instance, or hotels working with a significant number of business guests using conference rooms and meeting rooms, can require cooling even in the half-seasons and in winter. That allows to use total heat recovery to produce hot sanitary water all year round, clearly making the most of the heat recovery process during the summer, but still benefiting from it during the rest of the year.
Check out our brand new product finder to know more about our products featuring the total heat recovery option.
2 – Low noise
Low noise is crucial when designing an HVAC system for a hotel. To ensure guests have the best possible experience, it is important they have a quiet and relaxing stay, other than comfort. For this reason, the lower is the noise produced by the HVAC system, the better for the hotel and the occupants of the building. In this case, other than choosing chiller units offering low noise values, it might be useful to have the possibility to further reduce the default noise threshold by setting time bands, to further reduce noise during the night, for instance.
That is the case of Daikin TZ range (find here the EWAD – TZ and the EWAH – TZ), which, in addition to offering very low noise values, can allow facility managers to set the unit and keep its noise level to a minimum during specific time bands.
3 – Building load variation
Hotels’ load typically vary depending on the season or in case of particular events. That has a significant impact on the energy efficiency of the building, so, when designing an HVAC system for a hotel, it is important that the variation in load demand of the building is taken into account. In this case, to make the whole HVAC system more efficient, it might be useful to split the load across multiple units of different sizes and control them as they were a big single unit.
Daikin Intelligent Chiller Manager (iCM), a factory-engineered system control specifically designed to control, sequence and optimize the performance of multiple chillers, is the perfect solution for this type of HVAC systems. The iCM, in fact, harmonizes the way every single chiller in the plant operates, making them work like a team, and allowing them to reach their goal with minimum effort, both in terms of energy consumption and mechanically. All this with a positive impact on chillers’ durability and efficiency, generating operating and maintenance cost savings.
4 – Water flow variation
To make the HVAC system more efficient it is important to make sure it can vary the water flow depending on the actual load demand of building, making pumps more efficient. A Variable Water Flow system is the perfect solution to this specific need. It basically modulates the quantity of water flowing through the system, ensuring that pumps work as efficiently as possible, thus reducing their impact on energy consumptions.
5 – Monitoring units’ operations
Monitoring units’ performance, then, is key to reducing costs and making the whole HVAC system energy efficient. Not only it allows to implement efficiency strategies based on the observation of real data, but in some cases, it allows to have access to tax incentives (in the countries where these incentives occur). For this purpose, Daikin has recently introduced for its TZ range (find here the EWAD – TZ and the EWAH – TZ), the monitoring option, which allows to constantly monitor units’ performance in terms of energy consumptions and collect useful data.
Reliability of the HVAC equipment, then, is a primary concern for hotels and resorts as it can have a huge impact on customer experience. To make maintenance planning easier and more effective, Daikin offers its remote monitoring service Daikin On Site (DoS), which allows to collect operational data and schedule maintenance activities, avoiding units’ downtime.
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