Common Mistakes To Avoid

Its always easier to check these things before you install a system and hind-sight provides wisdom.

Get The Right Size Heat Pump

Sounds simply but it gets mucked up or sometimes the thought is just choose the biggest system, which can also cause problems. Realise the output ratings on most heat pumps are when the ambient (outside) temperature is at 7 degrees Celsius so a 6 kilowatt unit will produce 6 kilowatts when the outdoor temperature is 7 degrees Celsius. When sizing a system it important that it will have the capacity in the  middle of winter when it may be zero degrees Celsius or even colder.

Hi-Walls and Draughting

A common complaint with regards to Hi-wall heat pumps (the most common type) is the draughting effect, this can happen when the heating unit is not running and the fan keeps circulating (often very slow or by pulsating) or when the inverter is running very slow and only producing luke-warm air (because your room is nearly at the desired temperature). More of an issue is when you sit right in the air flow and it blows what feels like cold air onto your feet. Positioning of the indoor unit is critical to minimise this. Choosing the right size unit and some brands are better than others. Just be aware it can be a problem and discuss option before installing one. Just to clarify there are thousands of people who have and like the wall mounted units.

Right Height

Heat Pump systems are designed for a certain purpose and have complex electronic control systems. It is very important that the indoor unit is mounted at the correct height as per the specification from the manufacturer. A Hi-wall unit should not be mounted down low close to the floor and neither should it be too close to the ceiling. Both of these can cause incorrect operation.

Noise and Outdoor Heat Pump units

To minimise the chance of having an issue with noise from your outdoor heat pump unit this needs to be consider before you install a system. Logically the larger the outdoor unit the more it will matter. The closer you are to your neighbours the more it matters. As an installer it can be easy to overlook this and take an easy option to install the unit both for ease of installation but also to minimise costs as this is a very competitive market. Inverter systems have a soft start and this help greatly at reducing noise during start up.

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