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Plant Room Panel in Garage for ASHP, PV & Battery

DIY

Last Post by Batpred 8 months ago

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colinc

(@colinc)

Trusted Member Member

Joined: 1 year ago

Posts: 35

Topic starter 09/02/2026 11:31 am [#2812]

We are about install ASHP, PV, & Battery. The "control centre" will be a space allocated along about ¼ of the back wall of our double-garage. PV/Battery and the ASHP installs are two discrete contracts over different timeframes.

I am planning to put a back-panel board for mounting equipment. Neither installer has stipulated whether their equipment is mounted on a board or onto the concrete 'breeze-block' wall.

1. Am I wasting resources here on pandering a tendency to have, "a place for everything, and everything in it's place ?"

2. If others here have done this in their property, what batten depth would suffice to mount an OSB board ? I am thinking 50mm x 25mm tanalised batten.

Grateful for any views, ... on both questions !

This topic was modified 8 months ago by colinc

This topic was modified 8 months ago by Mars

26 Aika 480Wp PV panels, 3 Sigenstor 10 Batteries, 7kW Inverter
Viessmann Vitocal 150-a 10kW ASHP, 180l Oso Geo DHW

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Batpred

(@batpred)

Noble Member Member

Joined: 2 years ago

Posts: 1189

09/02/2026 7:00 pm

Posted by: @colinc

↑

I am planning to put a back-panel board for mounting equipment. Neither installer has stipulated whether their equipment is mounted on a board or onto the concrete 'breeze-block' wall.

We have some of those breeze-blocks, so I can see why you would want to provide a separate support.

The component that connects battery and PV (the inverter) can be a heavy piece of kit and may get warm, so whatever material you use, it is likely that they will want to attach it to the wall behind the board and may have special requirement for the board. As for the batteries even if wall mounted, should not get as warm. lifepo4 batteries do not "like" any freezing temperatures..

8kW Solis S6-EH1P8K-L-PLUS hybrid inverter; G99: 8kW export; 16kWh Seplos Fogstar battery; Ohme Home Pro EV charger; Vaillant Arotherm Pro 7kW; 100Amp head, HA lab on mini PC

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colinc

(@colinc)

Trusted Member Member

Joined: 1 year ago

Posts: 35

Topic starter 09/02/2026 10:46 pm

Thanks, @batpred , I will look into potential heat issues. The batteries and inverter will be floor-stacked; Sigenstore ... ie. "Lego style". The Sig Gateway and other switch-gear will be wall-mounted.

My thoughts are a panel will be more about aesthetic than function, given the equipment will be in the darkest corner of a large garage.

Perhaps I should consider colour-sequencing LED strips ... 🤔 ... then again, maybe not ... 🤣

26 Aika 480Wp PV panels, 3 Sigenstor 10 Batteries, 7kW Inverter
Viessmann Vitocal 150-a 10kW ASHP, 180l Oso Geo DHW

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Batpred

(@batpred)

Noble Member Member

Joined: 2 years ago

Posts: 1189

09/02/2026 11:25 pm

@colinc

Ours have their own LEDs, with plenty of colour.. But being indoors, we got as much of it covered as possible! 😀

8kW Solis S6-EH1P8K-L-PLUS hybrid inverter; G99: 8kW export; 16kWh Seplos Fogstar battery; Ohme Home Pro EV charger; Vaillant Arotherm Pro 7kW; 100Amp head, HA lab on mini PC

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