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greenlight
@greenlight
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Joined: Mar 12, 2025
Last seen: Nov 29, 2025
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Topics: 0 / Replies: 7
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Reply
RE: Benefits of an extra horizontal loop for GSHP

A correct sized collector is all you need. Saying this, there is a lot in that statement to make sure it’s a correct size.   Adding extra pi...

5 months ago
Forum
Ground Source Heat Pump (GSHPs)
Reply
RE: Trying to understand my Nibe F1245

First of all you have one of the best geothermal heat pumps out there. Really reliable. best thing you can do is put a dim rail kwhr meter on the p...

5 months ago
Forum
Ground Source Heat Pump (GSHPs)
Reply
RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.

Should be a minimum sentence of 3 years behind bars for anyone who replaces a geothermal (assuming a good collector) with an air to water 🤣. I...

10 months ago
Forum
Ground Source Heat Pump (GSHPs)
Reply
RE: Excessive performance/system issues with GSHP

Once you have 3-5 degree delta t on brine side then that’s all that’s matters on the collector side. If you are low on gas or poor antifreeze, you’l...

1 year ago
Forum
Ground Source Heat Pump (GSHPs)
Reply
RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.

@abbote great stuff. We’ve replaced hundreds of those hoses. Be no harm to clean out the immersion casing if you ever have to do it again, it fills wi...

1 year ago
Forum
Ground Source Heat Pump (GSHPs)
Reply
RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.

Go for new rego box. It’s true they are hard to get but we’ve replaced a lot of them and no issues. if you do replace the heat pump then it’s madne...

1 year ago
Forum
Ground Source Heat Pump (GSHPs)
Reply
RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.

Don’t rip out a IVT! Amazing heat pump! Unless your compressor fails or your tank fails is the only reason to take one out. It sounds like you have te...

1 year ago
Forum
Ground Source Heat Pump (GSHPs)
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