Air to Air Heat Pump for a Conservatory

Andy_WSM

smartn wrote: »

Many thanks for all the replies. One thing that is concerning me now is the noise generated by the external units - I really don't want to do anything to upset our neighbours. Could anyone confirm the noise levels are acceptable both internally and externally.

I hardly notice the indoor unit switching on & off nowadays. Sure it's audible, but not really noticeable and certainly a noise you very quickly get accustomed to. I used to be able to hear the water circulating in my old CH system, it's about the same level of noise.

With regards the outdoor unit - when it's working hard you can certainly hear it. However, the same applied to the gas boiler when it was alive. The flue noise from that was like a jet engine, louder than the heat pump is by a long way. The difference being the heat pump runs for longer I guess. None of my neighbours have ever mentioned it - I've been around there to listen for it when it's running and even knowing the heat pump was on couldn't make out the noise over the normal neighbourhood background noises.

The important thing is to make sure the heat pump is installed correctly - either proper wall brackets with rubber mounts to stop vibration or a good solid floor mount - raised on blocks to stop the ingress of snow and to ensure the defrost water has somewhere to drain (so it won't sit in a puddle!)