hondaracer2oo4
ArboristSite Operative
I have a 100 foot run from the boiler to the house. I went with the spray foam in the ground method. I dug a 30 inch deep trench shovel width. I dropped 4 one inch pex lines and had a closed cell spray foam guy come and just spray right in the hole. We lifted the pipes out and he sprayed about 3 inches in the bottom of the trench. we then dropped 2 of the lines down seperated, he sprayed again then we dropped the last 2 lines and he sprayed again. The closed cell foam is tough stuff. He also sprayed my boiler for me and the cost was $500. My pex lines cost about $400 if I remember right. If I had gone with the thermopex or something similar it would have been $1200 and I would have only had 2 one inch lines, not enough water flow after my heat calculations. So this was pretty much my only option that was reasonable in price. I lose 1-2 degrees from the boiler to the house Ive run two seasons now with no issues.