EcoRenovator  

Go Back   EcoRenovator > Search Forums
Advanced Search
 


Blog Register 60+ Home Energy Saving Tips Recent Posts Search Today's Posts Mark Forums Read


Showing results 1 to 25 of 500
Search took 0.03 seconds.
Search: Posts Made By: jeff5may
Forum: Solar Heating 01-10-21, 08:26 PM
Replies: 12
Views: 226
Posted By jeff5may
Main idea is: if it's working, play with it until...

Main idea is: if it's working, play with it until you make it short cycle. Then dial it back until it doesn't. Pick a sweet spot and drive it like you stole it.
Forum: Solar Heating 01-08-21, 08:38 PM
Replies: 93
Views: 23,546
Posted By jeff5may
Use one of the Gargantuan computer case fans. 15...

Use one of the Gargantuan computer case fans. 15 bucks for an 8 inch, moves somewhere around 100 CFM with a little back pressure. Sooper quiet, ultra low power, but they only produce a millimeter or...
Forum: Solar Heating 01-06-21, 03:05 PM
Replies: 219
Views: 111,545
Posted By jeff5may
The spring loaded check valves work pretty well....

The spring loaded check valves work pretty well. The ones without a rubber seal are cheaper than the ones with the seal. Easy peasy breezy. Any orientation installation for quick and simple.
Forum: Geothermal & Heat Pumps 01-02-21, 04:25 PM
Replies: 3
Views: 168
Posted By jeff5may
So, ignoring the residential HVAC industry's...

So, ignoring the residential HVAC industry's reluctance towards anything with "freon" outside "the magic box", a DX ground loop is no more difficult to construct than a glycol or water based ground...
Forum: Solar Heating 12-31-20, 11:47 PM
Replies: 4
Views: 191
Posted By jeff5may
Just about all the systems that I've seen that...

Just about all the systems that I've seen that actually work well use the second method you describe. Small e-tube collector loop volume, exchanging heat into a larger tank, usually insulated well.
Forum: Solar Heating 12-31-20, 11:22 PM
Replies: 19
Views: 1,536
Posted By jeff5may
Ok, so with your setup and goals in mind, I would...

Ok, so with your setup and goals in mind, I would recommend a smallish hot loop with glycol, non-drainback. Maybe 15 to 20 gallons max to go to and from the collector. Either a brazed plate heat...
Forum: Solar Heating 12-31-20, 12:44 AM
Replies: 13
Views: 1,032
Posted By jeff5may
Sorry, got busy living. As correctly speculated,...

Sorry, got busy living. As correctly speculated, the main concern relates to loss of power/pump events. Some e-tube collector models are designed and tested to withstand the 150 degC stagnation...
Forum: Geothermal & Heat Pumps 12-30-20, 02:55 PM
Replies: 3
Views: 168
Posted By jeff5may
So with an understanding of the overall heat pump...

So with an understanding of the overall heat pump refrigeration cycle, I will focus on the geothermal/ground source end of the system.

With a ground loop based system, the two main things that...
Forum: Geothermal & Heat Pumps 12-30-20, 12:24 PM
Replies: 3
Views: 168
Posted By jeff5may
Ok so a little background on the phase change...

Ok so a little background on the phase change heating and cooling system first.

Any air conditioning or heating system that relies on the phase change system moves heat via mass flow of...
Forum: Solar Heating 12-30-20, 11:49 AM
Replies: 19
Views: 1,536
Posted By jeff5may
Reading back through the thread, I gained some...

Reading back through the thread, I gained some understanding of the system you are considering. This leads to more questions.

What space or spaces are you going to be heating with the rig?

Are...
Forum: Solar Power 12-24-20, 02:36 AM
Replies: 15
Views: 865
Posted By jeff5may
The power supply in series idea will eventually...

The power supply in series idea will eventually end up in smoke. As with the old series connected vacuum tube heaters, it will work for a little bit. Once your luck runs out, something hogs a little...
Forum: Solar Power 12-23-20, 07:29 PM
Replies: 15
Views: 865
Posted By jeff5may
Ok, I just read through the thread and I thought...

Ok, I just read through the thread and I thought I would give you my 2 cents worth...

You're getting a feed in check for power generation. Why would you rob yourself?

You have a power inverter...
Forum: Geothermal & Heat Pumps 11-30-20, 04:00 AM
Replies: 220
Views: 48,763
Posted By jeff5may
Awesome to hear from you! So your rig has been...

Awesome to hear from you! So your rig has been running faithfully for 5 years now? At 20 cents a day instead of 50 or 60? With zero maintenance. Man, that's 700 bucks. WOW
Forum: Geothermal & Heat Pumps 11-09-20, 11:38 PM
Replies: 17
Views: 1,240
Posted By jeff5may
If you are looking for a unit to do only slab...

If you are looking for a unit to do only slab heating, that makes the system less complicated than one that both heats and cools. If you go with a brazed heat exchanger and a floor slab, you should...
Forum: Solar Heating 11-05-20, 07:43 PM
Replies: 4
Views: 467
Posted By jeff5may
Since your hx and the flow through it is your...

Since your hx and the flow through it is your limiting factor, put the panels all in series and force the highest dT across the hx. Make sure it is running counter flow as well to get the highest...
Forum: Lawn and Garden 11-02-20, 11:17 AM
Replies: 10
Views: 760
Posted By jeff5may
I'm guessing you could find an electric charcoal...

I'm guessing you could find an electric charcoal starter locally for around 9.95. Most are not tiny, use about 500 watts, and last a long, long time. I believe the one collecting dust in the garage...
Forum: Geothermal & Heat Pumps 11-02-20, 09:46 AM
Replies: 17
Views: 1,240
Posted By jeff5may
I see a few fundamental misconceptions with your...

I see a few fundamental misconceptions with your project. Just going to ask a few questions to clear up the mystery.

So the system you have running is a constant output unit that you have running...
Forum: Lawn and Garden 11-02-20, 08:22 AM
Replies: 10
Views: 760
Posted By jeff5may
Umm how about a hot surface igniter? They're used...

Umm how about a hot surface igniter? They're used in gss furnaces everywhere.
Forum: Introductions 09-22-20, 04:19 AM
Replies: 3
Views: 714
Posted By jeff5may
Welcome to the forums, kevin.

Welcome to the forums, kevin.
Forum: Solar Heating 09-21-20, 01:33 PM
Replies: 13
Views: 1,032
Posted By jeff5may
Drain back is not generally recommended with...

Drain back is not generally recommended with evacuated tube collectors. Mainly two reasons:
First, stagnation temperature can literally melt down gasket and sealing materials. When the sun shines...
Forum: Renovations & New Construction 09-08-20, 04:48 PM
Replies: 6
Views: 765
Posted By jeff5may
Ok so from your response, you are planning to...

Ok so from your response, you are planning to build bionic and above code requirements. Diy and separate (free/cheap) licensed inspector. Great. Now pick your price point and power sources.

Cheap...
Forum: Renovations & New Construction 09-08-20, 04:01 PM
Replies: 8
Views: 2,881
Posted By jeff5may
My guess is Bob diy'd a solution 3 years ago.

My guess is Bob diy'd a solution 3 years ago.
Forum: Renovations & New Construction 09-08-20, 03:53 PM
Replies: 2
Views: 568
Posted By jeff5may
More threads makes it more difficult for us to...

More threads makes it more difficult for us to keep your project in perspective. Alas, here you go:

The top left white boxes look to be setpoint knobs for two zones. Directly under them is the...
Forum: Renovations & New Construction 09-07-20, 01:38 PM
Replies: 6
Views: 765
Posted By jeff5may
Your question is so open ended that nobody wants...

Your question is so open ended that nobody wants to take a stab. However, I'm a glutton for punishment, so here we go.

First things first: economical versus reliable versus diy. A 500 square foot...
Forum: The Billiards Room 09-05-20, 04:10 AM
Replies: 9
Views: 1,034
Posted By jeff5may
I fully agree with ac hacker on the "modern"...

I fully agree with ac hacker on the "modern" approach being usually worse than the "historical" approach. The green new dealers would have us throw out our working system and build a whole new...
Showing results 1 to 25 of 500

 
Forum Jump

All times are GMT -5. The time now is 04:00 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, vBulletin Solutions Inc.
Ad Management by RedTyger
Inactive Reminders By Icora Web Design