is there not a metal plate or sticker with lots off numbers on it
do you know what the system you have installed is called
as in manufacturer and system type
air sourced seem to be about 3 to 1 ratio or for every 3kw off energy saved 1kw is used
I have never known the compressor to run longer than 15 mins at a time it is like a fridge/freezer and cuts out and then cuts back in 20-30 mins later.
The unit is also in my Bedroom as that was the best position for it, I cannot get to sleep with it running but if I go to sleep when it is not running then it does not wake me up. My wife can go to sleep with it on.
you have changed from a system garenteed to give you a 70% saving over electric [the gas boiler]
to a system at best will give you a 70% saving and you are saving money ??
the system has done no more than maintain the status quo so somthing else has changed to give you any savings like low energy bulbs
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