A heat pump is not a ventilation system. Ventilation systems introduce fresh air into the area and they may also heat the air on the way. The heating part is like any other electrical heater and for every dollar spent on heating you will get a dollar of heat in your room. Air conditioners actually only introduce heat and there is no heating element needed. For every dollar spent in heating you will actually introduce at least three dollars worth of heat into the area. In summer heat pumps can be reversed to pump the warmth out and act as air conditioners. However, some models of Fujitsu Heat Pumps can also be fitted with ventilation connections. These are the ducted and cassette models.
Air conditioner will dehumidify in summer when humidity is particularly troublesome. In winter they do not actively dehumidify but keep the room temperature above the level at which condensation occurs. Condensation occurs when warm moist air cools and can be prevented by either removing the moist air or keeping the area warm. Of course, it is ideal to do both but it can be very costly to heat the fresh and cold air in winter so the most effective option is to just heat.
Most homes will need more than one air conditioner to heat the entire house. You can think of heat pumps as having the three fold ability to heat as a fan heater would. Most air heaters can heat a single room or a large area. To heat the whole house you will need to install more air heaters, a ducted system or a multi head air conditioner system.
Until recently large air con needed three phase power to work. However, Fujitsu Heat Pumps now have a range of larger capacity units with single phase inverter technology which are able to heat much bigger areas.
Modern air heaters are generally very quiet. Some Fujitsu Heat Pumps come with a quiet mode and when the desired temperature is reached they will be almost inaudible. The sound level of air cons is normally specified in decibels in the brochures so that you can compare different models and choose one that operates at an acceptable level to you.
The air heater you choose will need to be the correct size for the area you wish to heat and the range of temperatures that you will experience. If it is not the right size it will not work as efficiently as it should and will end up costing a lot more to run. If you do find that you are using more power than expected to run your air heater you will either need to get more insulation or a bigger unit. Inverter models are able to accommodate a greater range of temperatures but it is not unlimited. Suppliers of Fujitsu Heat Pumps are able to visit your home to do a measure and can advise which heat pump or air conditioning system will be best for you. Ask your supplier for the EzeCalc report which is generated by Fujitsu software and this will ensure that the correct air conditioning system is chosen for your home.
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