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Search took 0.01 seconds. Search: Posts Made By: NiHaoMike

Forum: Geothermal & Heat Pumps

08-17-14, 12:06 AM

Replies: 10

"Downsizing" an oversized A/C

Views: 8,452

Posted By NiHaoMike

It's just wiring together a few modules - VFD,...

It's just wiring together a few modules - VFD, timer, and thermal controller. It's like building a DIY EV, but much simpler. An open source VFD could be even simpler (one module does it all) if...

Forum: Geothermal & Heat Pumps

08-16-14, 11:42 PM

Replies: 10

"Downsizing" an oversized A/C

Views: 8,452

Posted By NiHaoMike

I'm thinking of an off the shelf surplus VFD,...

I'm thinking of an off the shelf surplus VFD, though I suppose an open source VFD wouldn't be quite out of the question. Some EV builders have done just that.

A simple 555 or timer module can be...

Forum: Geothermal & Heat Pumps

08-16-14, 07:48 AM

Replies: 10

"Downsizing" an oversized A/C

Views: 8,452

Posted By NiHaoMike

It's a hypothetical situation that I don't have,...

It's a hypothetical situation that I don't have, but is all too common. Let's say the unit is maybe 4 years old and the company who installed it is still in business just like many "hack" HVAC...

Forum: Geothermal & Heat Pumps

08-15-14, 10:28 PM

Replies: 10

"Downsizing" an oversized A/C

Views: 8,452

Posted By NiHaoMike

"Downsizing" an oversized A/C

Let's suppose you have a building with a way oversized (central or large package) A/C (or heat pump), either due to recent energy efficiency renovations or as a result of a bad HVAC engineer. The A/C...

Showing results 1 to 4 of 4

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