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Author Topic: The new plan  (Read 1061 times)

wreckit87

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Re: The new plan
« Reply #15 on: February 12, 2018, 09:16:24 PM »

Mine has a full basement with 3" closed cell in the walls and rim joist. Entryway is tile and the kitchen/dining room are vinyl, floors are still cold with a 65 degree basement and 72 upstairs. Living room and the one bedroom don't necessarily have cold floors, but pretty much cold everything lol. I took the stat off the wall and temp'd a 5ft piece of stat wire on to move it around, seeing if I could manipulate it a bit. Set it on the living room floor and it read 6 degrees less than it did on the wall 2 minutes prior. It's currently sitting on the back of the couch on the North half set at 70 instead of 72 like it was while hanging on the wall, a little warmer in the living room and little cooler in the bedroom (south side) but still not comfortable on the couch. Hate it. I'm fairly certain the majority of the cold plows right through the North wall and across the floor. Stupid bay window in the living room doesn't help either, I can feel the air blowing through the switch plates when it's windy. Should've foamed that too when I put the siding on but was 19 and poor
« Last Edit: February 12, 2018, 09:18:36 PM by wreckit87 »
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nd guy

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Re: The new plan
« Reply #16 on: February 13, 2018, 08:30:46 PM »

wreckit87 when I was 19 I was in the same boat!! LOL!! Neat idea of moving the T stat around may have to try that. Thanks Ray
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mlappin

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Re: The new plan
« Reply #17 on: February 13, 2018, 08:50:32 PM »

Should've foamed that too when I put the siding on but was 19 and poor

Yep, I did our entire shop with Plyfoil (foil/bubble/foil) a long time ago, got it for nothing as I worked at a place that distributed it, get a roll back with water damage? Chuck it in the dumpster per SOP then pull it out after clocking out for the night, 2nd shift is good for stuff like that. Take it home, cut the water damaged stuff out, hang the “good” stuff and roll the crap back up and chuck it back in the dumpster.

Shop is a 1000 sq ft smaller than the house and takes at least twice as much to heat. Course the house doesn’t have any big doors for equipment on it but still.
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nd guy

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Re: The new plan
« Reply #18 on: March 25, 2018, 01:58:06 PM »

Ok I was wondering which pump would work better a Grundfos 15-58 or an ecm style pump. It will be just one zone with two runs of tubing and using a separate t-stat to turn the pump on when the call for heat is there. Trying to keep it simple. Any more ideas would be great. Thanks Ray For now not doing DHW.
« Last Edit: March 25, 2018, 02:09:23 PM by nd guy »
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RSI

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Re: The new plan
« Reply #19 on: March 25, 2018, 03:56:11 PM »

Either should be about the same. The ECM pump will use about half the power. If it doesn't run all the time then the power savings might never pay for the price difference.
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wreckit87

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Re: The new plan
« Reply #20 on: March 25, 2018, 04:13:38 PM »

I wouldn't waste the money on an ECM for that application. The draw of a 15-58FC is down in that $8-10/mo neighborhood running 24/7, so you might only be saving $20 a year on electricity by going ECM. That'll take a long time to justify the added cost IMO
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E Yoder

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Re: The new plan
« Reply #21 on: March 26, 2018, 05:06:48 AM »

Yup, two loops you could probably run the 15-58 on low speed to save watts.  ecm also... But it's a small savings. But ecm would pay after a while. Depends on how long term your plan is . So far I haven't done much with ecm, but it's coming.
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nd guy

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Re: The new plan
« Reply #22 on: March 27, 2018, 05:34:33 PM »

Would either pump last longer or perform better with the constant switching on and off by the T-stat? Thanks for the replies guys. Ray
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RSI

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Re: The new plan
« Reply #23 on: March 27, 2018, 09:59:08 PM »

I would guess the 15-58 would since there are no electronics.
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mlappin

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Re: The new plan
« Reply #24 on: March 29, 2018, 02:02:43 PM »

I would guess the 15-58 would since there are no electronics.

Don’t remember where I read it, but a recommendation to ensure long life of a PC or other electronics that are used daily is to not shut em off. Every time they power up everything expands a little from internal heat, shut it off everything contracts a little, enough of that and eventually a component fails. Have two Mac mini’s in the house, neither have been shutoff except when we are going to be gone for more than a few days.
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greasemonkoid

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Re: The new plan
« Reply #25 on: March 29, 2018, 05:40:31 PM »

This is the same reason it is recommended for a well pump to stay on for a minimum of one minute. I put an oversized pressure tank on mine recently to a acquire a 3 minute fill time hopefully yielding some more life out of it.

I've been thinking about this myself - to run a 15-58 in low 24/7 would cost $4.50/month at my electric rate. Assuming that operation could be reduced to a 50% duty cycle (in the ballpark?) doesn't amount to enough worth even considering.


On another note, I've got three 250 watt solar panels on the shelf that might be worth installing in the system. The cost of deep cycle batteries is discouraging though. The returns seem dubious at best.
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mlappin

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Re: The new plan
« Reply #26 on: March 30, 2018, 07:48:56 AM »

Yes on the well pumps. Most single phase motors over a certain size have starter switches in em, the more starts the sooner it fails.
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Stihl 023
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Homemade skid steer mounted splitter, 30" throat, 5" cylinder
Wood-Eze model 8100 firewood processor

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