House size: 3200 SF walk out basement 1350 SF, main floor 1450 SF, loft 450 SF.Department of Energy Zone 6A (severe cold-moist) 8400 heating degree days. Model: 1250 Low Profile 40′ diam dome home.Joyce and Rich Peake – Arden Hills, Minnesota The price per therm is noted in the chart below. Also note that due to rising energy costs, the cost per therm nearly doubled this past heating season.Billings run from the 10th of each month through August 2009, when they switched to show billings to the 27th of each month. The insulation under the main floor had not been finished, and the heating costs decreased as the proper insulation was finalized. *Also note that this dome was not complete until Fall 2008. The average usage is based on 30 therms per month and is not in the heating total. Please note that the domestic hot water system is also operating with natural gas. It is rated at 42,000 BTU output with 86% efficiency. There is a natural gas burning fireplace on the main floor, however it is not used for the main heating. Heating system: Radiant floor in basement concrete slab using PEX tubes circulating water and PEX tubes under plywood of main floor with insulation under heating unit is “Munchkin” natural gas boiler.Basement walls have one side approximately 2/3 out of the ground. 7″ sprayed-in place foam (R-Value=27), unvented dome shell, no vapor barrier, permanent treated wood foundation walls with 2×8 studs, 7″ sprayed-in-place Icynene “soft” foam (R-Value=27). Specifications: 2×8 dome walls and dome roof.House size: 3600 SF total 1700 SF basement, 1700 SF main floor, 200 SF loft.Department of Energy Zone 5A (cold-moist) 6500 heating degree days. The outside temps were 90°-95° F many days, yet the highest inside temps were 72°-74° F. Air conditioning costs: The Summers of 2008, 20 had zero A.C.(Electric billings run from the 7th of each month. * Note: Rate increase to 4.8¢ /KW in Feb. Electric rate is off-peak interruptible rate of 4.2¢ /KW. Heating unit is 14 KW Seisco Electric “instant on” boiler with a secondary natural gas “Munchkin” boiler that you can switch to manually. Heating system: Radiant floor in 4″ concrete slab using 1500 lf of PEX tubing circulating water.
Specifications: 18″ thick dome walls and dome roof, 16″ fiberglass insulation (R-Value=57 in triangles, R-Value=62 in riser walls), vented dome shell slab has 2″ styrofoam under and 11″ styrofoam on edge of slab.Department of Energy Zone 7A (severe cold-moist) 9000 heating degree days. #2 Our Pre-Fabricated and Ready-to-Assemble construction kitsīear Creek Dome – North Branch, Minnesota.#1 Super-Lok™ Patented Dome Building System.International Orders For Products To Be Shipped.International Payments For Services and Digital Downloads.Payments For Products, Services, Invoices, & Deposits Raise Your Dome With Exclusive Virtual Support from NSD Experts.Preliminary Steps to Designing and Building Domes.Natural Spaces Interior Wood Accessories.Natural Spaces Domes Interior Wood Paneling.
0 kommentar(er)
