|iSMA Hotel Solution
Client’s satisfaction = success of your hotel business.
Global Control 5
control is crucial for the reputation of every hotel. Client’s satisfaction = success of your
hotel business. You may have the best personnel, location or
breakfasts but if guests are not comfortable in the room because it is
too hot or too cold, you won’t get positive feedback from them.
what needs to be done to ensure a comfortable indoor environment with
the lowest energy consumption?
- Temperature setpoint in the room should be adjustable. Every
person has its own comfort temperature level and thinking that 21°C
(69.8°F) will satisfy everyone may be a huge mistake. According
to ISO7730 comfort zone also vary from 20°C (68°F) to 26°C (78.°F)
depending on season as you can see on the graph below.
- Thermostat or wall panel should be easy to use. It should contain
a maximum of four intuitive buttons. No one enjoys reading 50 pages
manual about changing temperature setpoint for +1 deg. Intuitiveness is
the key here.
- Hotel room should be prepared for guest in advance. You know that
feeling, when you just entered the room and survival instinct tells you
to increase the temperature on a thermostat or you may freeze to death
here? As a hotel owner, you should protect your client from that
feeling. It takes some time before the air conditioning system will get
the desired set point temperature. So if you want to make sure a guest
is satisfied from the very first moment, you should have a hotel system
which allows for adjusting the temperature setpoint according to the
client’s schedule. Moreover, to achieve an ideal balance between energy
savings and comfort, the hotel room should have three levels of
- Unoccupied (e.g. 16°C (60.8°F)). Applied while a guest isn’t in
the room according to schedule, plus one’s absence is controlled by PIR
- Standby (e.g. 20°C (68°F)). Applied during schedule occupied
period but when no movement is detected inside the room.
- Occupied (e.g. 22°C (71.6°F)). Applied in the moment of movement
detection by the passive infrared device or by inserted card in the
- Room setpoint should be adjusted according to
outdoor weather conditions. It has been shown that a 1°C (1.8°F)
decrease in indoor temperature may approximately cause a 10% reduction
in heating costs and 5-10% of cooling costs. The facility maintenance
team is a busy team, so they will not always be able to adjust the
setpoint manually. Thus your BMS system should have a connection with
1 °C (1.8°F) seems to be unnoticeable change, but it may impact
monthly/yearly bill perceptible.
- In order to save energy, not occupied rooms should
always be maintained at the level of minimum setpoint. The truth is
that guests spend plenty of time outside of the hotel room and it is
justified to use that information for extra savings. Motion sensors,
occupancy buttons, cardholders are the solutions.
- An opened window should cause turning off
temperature control in the room. BMS system should protect you from
wasting energy. We know that some guests want both - open window
with “fresh” air and effective room temperature control at the same
time and our task is to prevent such controversial behaviour.
- Building Management System should regularly
provide full, easy to read energy reports. Data will allow you to
understand how effective you are managing your hotel. “What gets
measured gets managed” © Peter Drucker.
How to achieve all the above
You need a sustainable, effective, proven solution which will provide
all the above functionalities. And the good news for you – we have a
perfect one. Combination of iSMA-B-FCU
and iSMA-B-LP devices will
ensure that your hotel room will be maintained according to the latest
energy efficiency requirements and your clients’ needs. iSMA-B-FCU
controller has pre-loaded universal application, which can be adjusted
to every specific room in your hotel. Temperature control algorithms
were prepared and tested by experts, so you can be sure that energy
savings would be maximal. With the iSMA-B-MAC36NL controller on the
top, you will be able to collect, organise and analyse data from your
hotel. Moreover, open protocols such as BACnet and Modbus which are
available for our devices ensures that those devices may be integrated
into majorities of BMS systems available on the market. Save energy.
Take care of your guests. Use iSMA
Hotel Solution. Simple as that.
Oleksandr Zdir is a Product Manager responsible for the success of the
room solution devices in Global Control 5. Previous experience as a
Technical Support Engineer and System Integrator gave him a strong
understanding of building automation market, client needs and key
players. Technology geek. Ecological volunteer. True-born engineer.
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