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Search: Posts Made By: jeff5may
Forum: Geothermal & Heat Pumps Yesterday, 01:31 PM
Replies: 9
Views: 337
Posted By jeff5may
Ok so I'm going to run through a couple of quick...

Ok so I'm going to run through a couple of quick suggestions not related to the proposed solution and quit talking about them. Since it's winter, find heat leaks. The cheapest infrared cameras on the...
Forum: Geothermal & Heat Pumps 02-26-20, 08:33 PM
Replies: 2
Views: 86
Posted By jeff5may
Ok, I'm not exactly sure what you hope to...

Ok, I'm not exactly sure what you hope to accomplish, but it sounds like you are looking for a free lunch. You are trying to convert a window air conditioner into a supplemental heater? Air to air...
Forum: Geothermal & Heat Pumps 02-23-20, 09:08 PM
Replies: 9
Views: 337
Posted By jeff5may
In your application, the little 5k unit will pull...

In your application, the little 5k unit will pull lots of latent heat out of your house with the water. Plus some cooling effect, but mostly condensate. This will help your main cooler move the...
Forum: Geothermal & Heat Pumps 02-23-20, 12:14 AM
Replies: 9
Views: 337
Posted By jeff5may
Any window unit you buy that has a standard...

Any window unit you buy that has a standard rating is done with a 10 degree Delta T between indoor and outdoor dry bulb temperature on high speed.

So, your 5kbtu 9.8 EER happens when it's 75...
Forum: Geothermal & Heat Pumps 02-19-20, 04:21 PM
Replies: 2
Views: 789
Posted By jeff5may
You would suffer a noticed penalty to energy...

You would suffer a noticed penalty to energy efficiency. Air isn't a great heat exchange medium. The indoor exchanger is sized for a certain amount of cool air coming in. Choking the airflow and...
Forum: Product Reviews 02-17-20, 12:50 AM
Replies: 6
Views: 1,833
Posted By jeff5may
I've been through a lot of cordless tools. You...

I've been through a lot of cordless tools. You generally get what you pay for. So purchase according to your frequency of use and what kind of jobs you put them on.

I gave up on B&D with the...
Forum: Conservation 02-16-20, 02:24 PM
Replies: 29
Views: 3,797
Posted By jeff5may
Not going to argue about it on here. Like I said,...

Not going to argue about it on here. Like I said, it's been escalated to a religious issue through decades of lobbying, campaigning, and perpetual propaganda and dogma. Progress on American soil is...
Forum: Geothermal & Heat Pumps 02-14-20, 11:12 PM
Replies: 4
Views: 1,197
Posted By jeff5may
Many of the non-inverter units have a "low noise"...

Many of the non-inverter units have a "low noise" mode that runs both the indoor and outdoor unit fans slower. This is sometimes used in "economy mode" as well. In low noise mode, the compressor...
Forum: Geothermal & Heat Pumps 02-11-20, 01:58 PM
Replies: 8
Views: 558
Posted By jeff5may
Ok so have you done an energy audit in the house?...

Ok so have you done an energy audit in the house? Reducing your heating needs is a much bigger better strategy to pursue than devoting your time and effort towards effective feeding the heat...
Forum: Conservation 02-08-20, 11:39 PM
Replies: 29
Views: 3,797
Posted By jeff5may
Ok so hopefully many of you have been watching...

Ok so hopefully many of you have been watching the events playing out with utility scale renewable energy in Europe and California the last few years. And the winner is... Nuclear power.

France...
Forum: Geothermal & Heat Pumps 02-08-20, 09:16 PM
Replies: 8
Views: 558
Posted By jeff5may
There are a few ways to approach this one. ...

There are a few ways to approach this one.

First choice: Mad Max bartertown rube Goldberg contraption. Everything is independent of everything else and is simple as it can be. Cheaper but not so...
Forum: Geothermal & Heat Pumps 02-08-20, 08:50 PM
Replies: 9
Views: 337
Posted By jeff5may
Ok so the dirt cheap twisty knob window units are...

Ok so the dirt cheap twisty knob window units are all over the place because they don't work too well. Nearly all of them have the lowest efficiency ratings ever. For your goals they don't have...
Forum: Conservation 02-06-20, 02:51 PM
Replies: 29
Views: 3,797
Posted By jeff5may
Different fight, same situation on top. Seed...

Different fight, same situation on top. Seed saving is outlawed, farmers have to buy seeds from the same company as chemicals. Software has invaded the vehicles, so field repair is costly. Many...
Forum: Geothermal & Heat Pumps 01-18-20, 05:10 PM
Replies: 7
Views: 469
Posted By jeff5may
Ok so the refrigerant temperature and pressure...

Ok so the refrigerant temperature and pressure will follow the heat exchanger temperatures. Obviously you don't have enough indoor heat exchanger or heat store or both. Adding more charge to try to...
Forum: Tools 01-18-20, 04:37 PM
Replies: 21
Views: 678
Posted By jeff5may
Sunken cost fallacy. Same day prime shipping.

Sunken cost fallacy. Same day prime shipping.
Forum: Conservation 01-18-20, 11:30 AM
Replies: 8
Views: 1,164
Posted By jeff5may
What he said. You can find the basic ones all day...

What he said. You can find the basic ones all day long on fleabay for around 100 bucks and the pro ones for maybe double that. As always, patience and persistence pays. I grabbed a seek Android...
Forum: For Sale / Trade / Wanted / Web Finds 01-17-20, 08:44 PM
Replies: 2
Views: 1,541
Posted By jeff5may
Me. I flip, service and trade appliances (mainly...

Me. I flip, service and trade appliances (mainly washers and dryers) in my spare time.
Forum: Geothermal & Heat Pumps 01-16-20, 11:48 PM
Replies: 7
Views: 469
Posted By jeff5may
Ok, from some quick napkin scribbling, the...

Ok, from some quick napkin scribbling, the refrigerant charge and outdoor side looks to be in the standard operating range. The bottleneck here seems to be the brazed plate heat exchanger and or too...
Forum: Geothermal & Heat Pumps 01-16-20, 01:24 PM
Replies: 7
Views: 469
Posted By jeff5may
More data please. We can see the big picture...

More data please. We can see the big picture here, but details are lacking. Main question: what's the outdoor unit? Obviously rated for 2 ton, but what refrigerant is original and how does it...
Forum: Geothermal & Heat Pumps 01-16-20, 01:08 PM
Replies: 13
Views: 983
Posted By jeff5may
Any progress on the heat pump idea? With the...

Any progress on the heat pump idea? With the original configuration (water cooler), if you flowed a gallon plus per minute through the original (water cooler) chilling tank, I would bet money it...
Forum: Geothermal & Heat Pumps 01-16-20, 12:29 PM
Replies: 2
Views: 221
Posted By jeff5may
Ok so the main question is related to size and...

Ok so the main question is related to size and scale. How much heat do you plan on extracting from the ground? The higher the demand, the more water you will need. If you are planning on using a tank...
Forum: Introductions 01-15-20, 09:08 PM
Replies: 1
Views: 404
Posted By jeff5may
Welcome to the forums! Start a thread about it in...

Welcome to the forums! Start a thread about it in the heat pump section. Tons of details to clarify and goals to identify in order to ensure success.
Forum: Tools 01-14-20, 07:31 PM
Replies: 21
Views: 678
Posted By jeff5may
Same story here. Picked up a Troy-MTD-Bilt click...

Same story here. Picked up a Troy-MTD-Bilt click lock set this spring with a weed whacker, edger, and brush cutter heads off the local yard sale site. Super cheap, not running. Initial testing...
Forum: Geothermal & Heat Pumps 12-31-19, 09:36 PM
Replies: 18
Views: 827
Posted By jeff5may
What you speak of is a "multi-split" or "city...

What you speak of is a "multi-split" or "city multi" set up. Main idea is one big outdoor unit (with a variable speed compressor) that stars out to a number of independent zone units indoors. Look on...
Forum: Geothermal & Heat Pumps 12-28-19, 01:50 AM
Replies: 13
Views: 983
Posted By jeff5may
Sounds like a good ballpark figure to me. Also...

Sounds like a good ballpark figure to me. Also looks like you are ok with math as well. Trust me on this one: math up your sketch before you build it. Catching a conflict or shortcoming on paper...
Showing results 1 to 25 of 500

 
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