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Search: Posts Made By: launboy
Forum: Geothermal & Heat Pumps 09-17-20, 08:55 PM
Replies: 4
Views: 1,178
Posted By launboy
Quick search on amazon says they can be picked up...

Quick search on amazon says they can be picked up under $400. So awesome to see this tech being brought into the window shaker space. Cost less than a mini and the big thing for regular folks, no...
Forum: The Billiards Room 08-14-20, 03:18 PM
Replies: 9
Views: 849
Posted By launboy
I wish there would have been a cost comparison as...

I wish there would have been a cost comparison as well. Not only to the steel for rail cars and that infrastructures maintenance, but the impacts of continued mining of coal, or drilling for oil/nat...
Forum: The Billiards Room 08-11-20, 12:08 AM
Replies: 9
Views: 849
Posted By launboy
Resource Use for Renewables

I hope this isnít considered political and is in the right spot. Iím not posting it to start a debate, more to hear your guys thoughts on the article. Itís a piece written by someone who to me seems...
Forum: Appliances & Gadgets 05-02-20, 01:38 PM
Replies: 3
Views: 1,046
Posted By launboy
Emporia Vue Energy Monitor

Been looking for a way to monitor power use and found that unitS with logging get expensive quick. Then I found the Emporia Vue. $100 gets you 2 200amp CTs, and 8 50 amp CTs as well as cloud based...
Forum: Geothermal & Heat Pumps 02-18-20, 11:48 PM
Replies: 2
Views: 1,855
Posted By launboy
I don’t see why it wouldn’t. One thing to watch...

I don’t see why it wouldn’t. One thing to watch out for is pressure drop across the air to water HX. Not sure if you’re referring to conventional or minisplit but minisplit fans typically have very...
Forum: The Billiards Room 12-11-18, 02:52 PM
Replies: 8
Views: 3,391
Posted By launboy
Automation/Controls Engineer

Automation/Controls Engineer
Forum: Geothermal & Heat Pumps 12-06-18, 03:02 PM
Replies: 149
Views: 37,463
Posted By launboy
Did you end up building any sort of roof/snow...

Did you end up building any sort of roof/snow protection over the new Gree? Looked through the thread but didnít see anything about it, hopefully I didnít miss the post. IIRC you built something over...
Forum: Geothermal & Heat Pumps 12-06-18, 01:24 PM
Replies: 1
Views: 1,191
Posted By launboy
Current/temp Monitoring

What do you all use for monitoring of temperatures and energy use?

Willing to do some DIY work here to cut down on cost. The goal is to be able to plot temps from a couple of probes on a graph...
Forum: Geothermal & Heat Pumps 11-29-18, 09:12 AM
Replies: 4
Views: 1,342
Posted By launboy
Any idea why they use less in Auto? Do you think...

Any idea why they use less in Auto? Do you think it’s just the extra fan power use on high or something to do with condensing temperatures being different?

Also what equipment do you use for...
Forum: Geothermal & Heat Pumps 11-28-18, 04:30 PM
Replies: 4
Views: 1,342
Posted By launboy
Mini Split Efficiency Test

Hey guys, long time lurker, very infrequent poster. Had a new Bryant (Midea best I can tell) 18k single high wall indoor unit minisplit installed a few weeks ago. Rated to heat down to -20F.

This...
Forum: Solar Heating 04-30-18, 02:01 PM
Replies: 1
Views: 2,046
Posted By launboy
"Glazing" Unglazed Panels

Been a minute since I posted, but since I'm newly a homeowner, and my home has baseboard electric heat. My head is now spinning with alternative ideas.

I have roughly 160k btu worth of unglazed...
Forum: Geothermal & Heat Pumps 11-11-14, 11:32 PM
Replies: 5
Views: 1,676
Posted By launboy
You guys have made a few good points. Yes,...

You guys have made a few good points.

Yes, this guy has a thousand dollar control and many sensors attached to the unit, but he also has a program written to calculate instantaneous SEER and...
Forum: Geothermal & Heat Pumps 11-11-14, 01:20 AM
Replies: 5
Views: 1,676
Posted By launboy
Simple, Efficient, Defrost

So back in my hottub heatpump experimenting days my biggest problem was by far and wide defrost. I was running my 8,000 btu window a/c with the condenser in nice 104* water, and my evaporator in...
Forum: Geothermal & Heat Pumps 08-02-13, 05:18 AM
Replies: 2
Views: 1,426
Posted By launboy
Pool Heater for Air

This may fit better in the solar forum, but it could implement a heat pump which puts it here too.

I currently have 180,000 BTU worth of solar pool heating collectors up on my garage roof, and...
Forum: Geothermal & Heat Pumps 08-02-13, 05:07 AM
Replies: 2
Views: 2,441
Posted By launboy
The specs state the cut off for water heating is...

The specs state the cut off for water heating is 158*F. That's pretty hot for a heat pump, all though I'm not sure if that's a running temp or a safety limit cutoff. Producing that much water to...
Forum: Geothermal & Heat Pumps 07-31-13, 10:28 PM
Replies: 2
Views: 2,441
Posted By launboy
Minisplit Room and Water Heater

Found this on a site that has a lot of other cool heat reclaim products for pools and domestic hot water, even a solar panel powered minisplit.

Air Conditioner Water Heaters | AC/Heat Pumps That...
Forum: Geothermal & Heat Pumps 01-18-13, 04:59 AM
Replies: 57
Views: 27,038
Posted By launboy
Im curious is there any advantage to a...

Im curious is there any advantage to a non-inverter mini-split without its control? What makes the mini-split any more efficient than say a window unit? Larger coil obviously helps, but what...
Forum: Geothermal & Heat Pumps 01-11-13, 01:33 AM
Replies: 52
Views: 19,814
Posted By launboy
Well this project has gone down the crapper as...

Well this project has gone down the crapper as far as I'm concerned. Today I got around to removing the metal supports from the sides of the coils... and managed to puncture the copper. :( Looks...
Forum: Geothermal & Heat Pumps 01-11-13, 01:23 AM
Replies: 4
Views: 1,830
Posted By launboy
Yes there is actually. Finished it, mostly...

Yes there is actually. Finished it, mostly anyway, and tried it out. Unfortunately defrost didn't happen. On my Hot Tub Heat Pump I could turn it off and the heat from the hottub water and in the...
Forum: Geothermal & Heat Pumps 12-23-12, 05:39 AM
Replies: 4
Views: 1,830
Posted By launboy
Q&d ashp

Problem: I have a garbage picked dehumidifier, a month off of school, and some ambition.

Solution: Build myself a quick and dirty window shaker heat pump.

My first idea for this dehumidifier...
Forum: Conservation 12-22-12, 06:54 AM
Replies: 5
a/c
Views: 2,061
Posted By launboy
Some A/C's run a Crankcase heater on the...

Some A/C's run a Crankcase heater on the compressor that can draw from 40-100w to keep the oil warm(forgot where I read that). This matters if you plan on running the A/C, but if it's going to sit...
Forum: Geothermal & Heat Pumps 12-17-12, 05:08 PM
Replies: 1
Views: 1,936
Posted By launboy
I think this is a very interesting and promising...

I think this is a very interesting and promising idea. Not unlike some of the VRV-type heat pump systems, that take heat from one part a building that demands cooling, and uses it to heat other areas...
Forum: Geothermal & Heat Pumps 12-01-12, 08:35 PM
Replies: 108
Views: 69,711
Posted By launboy
You pay $0.22 a kwh AC? Wow, we pay $0.11,...

You pay $0.22 a kwh AC? Wow, we pay $0.11, without the fees and such added in, probably $0.13 per kwh with fees and such added in.

Adam
Forum: Geothermal & Heat Pumps 11-27-12, 04:40 AM
Replies: 1,942
Views: 1,592,853
Posted By launboy
randen, how has your DIY unit compared...

randen, how has your DIY unit compared capacity-wise to your commercial unit? Are you seeing similar output temps, amp draw, COP, etc?
Forum: Geothermal & Heat Pumps 11-27-12, 03:35 AM
Replies: 108
Views: 69,711
Posted By launboy
This is basically what I found with my Hottub HP...

This is basically what I found with my Hottub HP last winter, even in below freezing weather, with the condensor in 104*F water the ice melted on it's own pretty quickly, but the heat didn't last...
Showing results 1 to 25 of 107

 
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