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I am using a Takagi HWH. It is a condensing unit, but I am pretty sure I remember reading that Glycol was ok. Either way, I don't think I have another option where I live.

I was leaning towards 30% based on the charts I have seen online, but I guess that depends on what you use obviously. I have seen Cryo-Tek online. sseddon641- Is there another brand that you would recommend that I would be able to buy locally?

Thanks guys!

When you say it like that. What % glycol would you use for my area?

Just finished my closed loop system. Just need to pressure test it before I fill everything. I am really new to this so if I missed anything feel free to criticize. Is there a way to get air into the system for testing via the hose bib? I would rather test for leaks with air first. The setup I...

I just finished installing my radiant heat system in my woodshop and I am trying to decide whether or not to use glycol\anti-freeze. I live in SE Michigan, so the temps do drop down in the teens for a while. If I was ever to loose power, I am pretty sure I would have a mess on my hands. As far...

Joe, Thanks for taking the time to post all of this detail. Much appreciated! A couple of questions for you: Why did you add extra temp gauges when they are built in to the manifolds? I see an extra wire going from your relay to the HWH. Are you using the relay to power the HWH? Thanks again...

Can't seem to get a hold of the person from consumers that is going to do the switch so I am not sure on the price yet. My brother told me a friend down the street from him got a larger meter and they are charging him more per CF. We will see. I will post back as soon as I know for sure. I...

70R, Looks like pretty much the same setup I was planning on doing. Do have a list or sketch of the setup you have there?

Unfortunately I do need a bigger meter. I have a 250k now and need a 400k. So far consumers energy has been great to work with, we will see. I was told I will probably have to pay more per cf even if I do not use any more, just because of the larger meter. Makes absolutely no sense, but I don't...

I agree 100%, but I cannot find a quality condensing HWH that is small enough for my needs. Everyone says the Takagi units are great, but 120k is the smallest they make, at least that I have seen. If anyone has any suggestions I am all ears.

As luck would have it I found a supply house two miles from my house that had everything I needed including a tracer wire for under $250. They were great to work with as well. For those in my area: Hartsig Supply Co Inc   Pipe Supplier Address: 3885 Auburn Rd, Auburn Hills, MI 48326

I just finished my 30x40 here in SE Michigan and I was quoted $2.50 sq\ft for 3" of closed cell and $3.50 sq\ft for 4". About $7500 total for 3" in the walls and 4" in the ceiling

From what other people are saying the gas company will not accommodate this, no? Maybe I am misunderstanding what you are saying.

This is the one I was looking at buying: http://www.takagi.com/products/tankless-water-heaters/t-h3m-dv-n Supplyhouse.com...

I tend to agree with you for the most part, but the smallest standard hwh I see is the jr and even that one is 140k BTU. It is $500-600 online and the condensing is only $750. Just made sense to me to spend the little extra and it only required 120k btu. Which model are you referring to that...

Where did you buy your materials? This place seems to have great prices http://www.hdpesupply.com/mdpe-gas-pipe-coils/?sort=priceasc

I was planning on putting together a small outdoor kitchen next year so I am going to use the line, or at least part of it, for the grill. :thumbup: I hadn't thought about water, but that is a good idea. Not sure if CSST would work for that tho, would it?

I haven't ordered anything yet so I will definitely ask him about it. From what I saw on the Takagi website, the 120,000 unit was the smallest condensing hwh they have that was approved for use in a radiant floor system. I used an online calculator and it said I needed 15,000 BTU's\Hr. Not sure...

CNG First, thank you for all of your help, much appreciated. I cannot run right from the meter as I would need to tear up a portion of the driveway and to run around the other side of the house would be a 400'+ run. I talked with a friend of a friend tonight and he walked me through what I...