Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Air source heat pumps and noise
I’m putting together a short video to show how much noise air source heat pumps actually make. If you’d like participate, please download a decibel measuring app to your phone.Here’s a great free one for iPhones.
Then record a video of your heat pump using the aforementioned app standing 3-5 metres away. This will show your heat pump in operation with the corresponding dB values.
Then simply use wetransfer.com to send me your video to editor@renewableheatinghub.co.uk and be sure to include your make and model.
New to heat pumps? Take the Heat Pump Fundamentals course and use INTRO50 at checkout for 50% off.
Rewritten and updated for 2027
📘 From Zero to Heat Pump Hero
🛠️ Bodge Buster
I already have this app. Will comply soon but it's tipping down with rain here at the moment.
Retrofitted 11.2kw Mitsubishi Ecodan to new radiators commissioned November 2021.
14 x 500w Monocrystalline solar panels.
2 ESS Smile G3 10.1 batteries.
ESS Smile G3 5kw inverter.
@morgan A splendid idea Mars! I’ve installed that app but our ASHP is getting in some Zzz’s as it is quite mild, I’ll leave it until tomorrow as it is starting to get dark now. I will perform the deed from 3 metres for we live in an area with high ambient noise levels; from 5 metres, you might only hear the traffic etc.Regards, Toodles.
Toodles, heats his home with cold draughts and cooks food with magnets.
@allyfish, yes I just received it. I need three more to complete the first video.
New to heat pumps? Take the Heat Pump Fundamentals course and use INTRO50 at checkout for 50% off.
Rewritten and updated for 2027
📘 From Zero to Heat Pump Hero
🛠️ Bodge Buster
It's stopped raining here, for a bit, 🙄 however the ASHP is barely turning over so any noise data would be pointless at the moment.
Retrofitted 11.2kw Mitsubishi Ecodan to new radiators commissioned November 2021.
14 x 500w Monocrystalline solar panels.
2 ESS Smile G3 10.1 batteries.
ESS Smile G3 5kw inverter.
@morgan, no problem. Fire it across when you’re ready.
New to heat pumps? Take the Heat Pump Fundamentals course and use INTRO50 at checkout for 50% off.
Rewritten and updated for 2027
📘 From Zero to Heat Pump Hero
🛠️ Bodge Buster
Morning Mars
It will be interesting to see other experiences. I have uploaded a short video and screenshot of a noise meter.
My 16kw LG Therma V seems to make 55 - 60dB noise in standard mode and perhaps goes up towards 65dB when its at full speed fans & pumps. Its mild today so I cant crank it up to max!
We are fortunate that we're not very close to neighbours and the ASHP is located round the back away from outdoor seating and away from windows that normally get used much. So for us has not been an issue. But I would suggest it certainly should be properly considered when doing a new installation.
Listed Grade 2 building with large modern extension.
LG Therma V 16kw ASHP
Underfloor heating + Rads
8.7kw pv solar
3 x 8.2kw GivEnergy batteries
1 x GivEnergy Gen1 hybrid 5.0kw inverter
Manual changeover EPS
MG4 EV
I still need two more clips to complete the first dedicated video, so if you have a few minutes, please consider filming and sending across your heat pump in operation. It'll make a great reference video for people that are concerned about heat pump noise.
Also, I've put together this Q&A post on the site, where I will embed the dedicated video(s) when it's ready: https://renewableheatinghub.co.uk/how-loud-noisy-are-air-source-heat-pumps
The videos that have been sent across make a quick cameo appearance in the intro video.
New to heat pumps? Take the Heat Pump Fundamentals course and use INTRO50 at checkout for 50% off.
Rewritten and updated for 2027
📘 From Zero to Heat Pump Hero
🛠️ Bodge Buster
Hi @editor sent mine over - video from 19/12 with the outdoor unit from our 16kw Daikin Altherma HT struggling to drown out ambient bird song 😀 We are in Italy so not sure the video will be of use but feel free to use it if you wish. Outdoor air temp at 10am was 5.4C, 80% humidity, windspeed 7.9kmh (as given by www.visualcrossing.com/weather/weather-data-services).
fwiw i believe my installation was done properly with a good base (old oil boiler concrete base that we made a little larger), level and with vibration absorbing feet etc.
Installation was Aug 2020. I'm unaware whether LG have improved sound reduction since but overall am happy enough with ours - because its located out of the way.
If located nearer neighbours or opening windows or seating areas etc then it could be annoying? But remember the main usage is in winter when windows are more likely closed and less likely to be sat outdoors for long anyway!
Listed Grade 2 building with large modern extension.
LG Therma V 16kw ASHP
Underfloor heating + Rads
8.7kw pv solar
3 x 8.2kw GivEnergy batteries
1 x GivEnergy Gen1 hybrid 5.0kw inverter
Manual changeover EPS
MG4 EV
@editor Thank you Mars, our ASHP is ready to sign autographs when people have watched the cameo appearance at the start! As I mentioned, we have high ambient noise levels from traffic but birdsong may still be heard in the recording but very little from the heat-pump for all that! Regards, Toodles.
Toodles, heats his home with cold draughts and cooks food with magnets.
- 27 Forums
- 2,745 Topics
- 64.5 K Posts
- 212 Online
- 7,148 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
@editor Thanks for your response and recommendations. ...
By DavidB , 6 hours ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 19 hours ago
-
RE: Who's your electricity provider and what's your tariff?
@papahuhu Of course, in the way of such things, there a...
By Toodles , 1 day ago
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 3 days ago
-
RE: Flushing system, cleaning and inhibitor
Yes, my 50L volumiser uses the two lower ports, so ther...
By Old_Scientist , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 4 days ago
-
RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 4 days ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s Look forward to making contact soon! Regards, To...
By Toodles , 4 days ago
-
I don't notice mine defrosting, and most of the time Im...
By JamesPa , 5 days ago
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 5 days ago
-
RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 6 days ago
-
I meant to say I cannot register my kit at Energyplus… ...
By Batpred , 6 days ago





