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Greenhouse
I am planning to move soon from the San Francisco Bay area to either
Northern California or Southern Oregon, about 2500 Elev. The temperatures there in winter are going to be about 20 degrees lower than here. My question is, What is the approximate cost to heat a 10 X 12 greenhouse to a 50 degree minimum in winter? If any of you folks live in those areas l would love to get more info from you. Thanks to all, Ernie |
#2
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Greenhouse
In article ,
Ernie wrote: I am planning to move soon from the San Francisco Bay area to either Northern California or Southern Oregon, about 2500 Elev. The temperatures there in winter are going to be about 20 degrees lower than here. My question is, What is the approximate cost to heat a 10 X 12 greenhouse to a 50 degree minimum in winter? If any of you folks live in those areas l would love to get more info from you. Thanks to all, Ernie Ernie - The Weather service has a degree days of cooling and heating listing for each of the weather stations they have on the Colorado site. I forget now where I found the database 4 years ago, but there is a NOAA database on line where you can put a zip code and a temperature minimum in and get a total degree days of either heating or cooling from that temperature. I know that the Charley's Greenhouses folks are in that area, so they should have a pretty good idea. The glazing (covering) on the greenhouse makes a big difference in the heating. The surface area of my glass house is 25% the size of my double poly house and it takes about twice the heat in the winter that the double poly one does. Most of the greenhouse catalogs have formulas for determining how many BTU's of heating or square feet of cooling you will need. If you like, give me more details about the greenhouse, and I will run the calcs for you. I think when I get awake today, I can find the database again. cheers Doug |
#3
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Greenhouse
Doug spaketh thusly:
The Weather service has a degree days of cooling and heating listing for each of the weather stations they have on the Colorado site. I forget now where I found the database 4 years ago, but there is a NOAA database on line where you can put a zip code and a temperature minimum in and get a total degree days of either heating or cooling from that temperature. Try he http://www.cpc.ncep.noaa.gov/product...s/degree_days/ I think the proper term is "heating degree days." If the original inquirer were to have at it with Google, he could probably compare heating degree days where he currently resides with those of where he is going. Plus, www.wunderground.com has an excellent database of historial data for temperature (among other factors) for different locations. -AJHicks Chandler, AZ |
#4
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Greenhouse
The map on this page could be useful:
http://lwf.ncdc.noaa.gov/img/documen...ngDD_hires.jpg Steve (inside the 9000 circle in NY) Ernie wrote: I am planning to move soon from the San Francisco Bay area to either Northern California or Southern Oregon, about 2500 Elev. The temperatures there in winter are going to be about 20 degrees lower than here. My question is, What is the approximate cost to heat a 10 X 12 greenhouse to a 50 degree minimum in winter? If any of you folks live in those areas l would love to get more info from you. Thanks to all, Ernie |
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