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Are air source heat pumps noisy


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20 hours ago, PeterW said:

Also forget to tell you R290 is highly flammable propane.

 

It is, but it's <1kg in a sealed unit. Lot have people have 5-10Kg bottles of propane round the back of their house for gas BBQ.

 

20 hours ago, PeterW said:

Limited performance range of 0-20°C so can’t get above 60°C when the outside temperature is above 25°C.

 

They can only do 75C from 0-20°C yes, but the second part of that statement isn't correct as they can do 65C between -10 and  32 °C outside temperature.

 

All ASHP's have limits (thats one advantage of GSHP in more extreme climates).  For comparison the Ecodan R32 can only do 60C when 0-25°C outside.

 

20 hours ago, PeterW said:

I requested the BIM files and got sent a pdf flyer and was called by an Installer instead ...! 

 

Agree on this, there is less technical information available and they seem to focus more on marketing materials.

 

 

 

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