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Forum: Solar Heating 07-22-15, 10:08 PM
Replies: 31
Views: 9,686
Posted By Mikesolar
That's exactly what a PVT panel does.

That's exactly what a PVT panel does.
Forum: Solar Heating 07-18-15, 06:43 AM
Replies: 31
Views: 9,686
Posted By Mikesolar
Jeff, this is exactly why I built my first PVT...

Jeff, this is exactly why I built my first PVT panels a few years ago. The real issue now is the amount of equipment needed to do the job. As we reduce our heat load, the equipment can make sense but...
Forum: Solar Heating 07-17-15, 06:43 AM
Replies: 31
Views: 9,686
Posted By Mikesolar
Given the low cost of PV, I am seriously looking...

Given the low cost of PV, I am seriously looking at PV based water heating. I have looked at the other European refrigerant based systems like the SunPump, and my installer friends over there put it...
Forum: Solar Heating 06-28-15, 08:08 PM
Replies: 31
Views: 9,686
Posted By Mikesolar
That is essentially correct. There is a very high...

That is essentially correct. There is a very high failure rate among tubes.
Forum: Solar Heating 06-28-15, 08:01 PM
Replies: 31
Views: 9,686
Posted By Mikesolar
There are a few reasons why I don't like tubes....

There are a few reasons why I don't like tubes. The biggest one is that there is a HUGE temp difference between the inner and outer glass and nature hates a vacuum so it cannot help but fail faster...
Forum: Solar Heating 06-23-15, 05:21 PM
Replies: 31
Views: 9,686
Posted By Mikesolar
The problem is, I have not found a reason for...

The problem is, I have not found a reason for this to happen. A 30 sec run of the pump won't hurt anything. It has to be long enough at -20C to freeze out the water in the other side of the HX and 30...
Forum: Solar Heating 06-23-15, 07:02 AM
Replies: 31
Views: 9,686
Posted By Mikesolar
Sorry guys but lots of odd and old info in this...

Sorry guys but lots of odd and old info in this thread.

First, I have put in lots of all types of solar thermal systems and really the only drawbacks to a drainback system is pumping power and a...
Showing results 1 to 7 of 7

 
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