20110419-RD-LSC-0219 - a photo on Flickriver

20110419-RD-LSC-0219

            In the cement floor that Dwight Hess stands on, on April 19, 2011, are 8,000 feet of heating tube that, when needed will circulate hot water, keeping the plants warmed up to at least 50 degrees even when outside temperature may be zero degree at the Good Harvest Farm in Strasburg, PA,. The Farm completed a Rural Energy for America Program (REAP) grant supported renovations six months ago that replaced an 80-year old structure with a new 4,000 sq. ft. facility that features energy efficient glass roof with curtains that block or trap heat, radiant heaters in or above the floor, and the replacement of an oil-fired hot-air furnaces with propane fueled boilers that supply fin-tube and cement embedded tube elements with hot water. With current fuel prices, there is a projected 2011 energy cost savings of more than $20,000; a 40% reduction in energy costs – exceeding projected savings. Plant health and quality has improved and been more consistent because the temperature and humidity is computer controlled and distributed evenly throughout the facility. Utilizing sensors and a roof mounted weather station the system can maintain four different climate zones 24-hours a day. Two 1,000,000 BTU propane fueled boilers heat the water to 190 degrees for the 8,000 feet of fin-tube heating elements were used where the original foundation, and the 8,000 feet of tubing that was embedded in a new cement foundation. After traveling through the energy efficient system, water only looses 20 degrees. When temperatures become to hot, motorized roof vents open to allow rising heat to escape; a 98% energy savings from massive fans that previously forced air out. Both systems create a microclimate in and round the plant trays in the growing and sales room. Representing Good Harvest Farm Chris Powell says, “You don’t need to have a lot of land to have a lot of green houses. There are places in cities where vegetables are grow on store roof tops and selling them below in the same structure.”  USDA Photo by Lance Cheung.
   

Taken in: United States / Pennsylvania / Strasburg (show map)

Taken on: April 19, 2011

Tags:

USDA

Department of Agriculture

Pennsalvania

nursery

Good Harvest Farm

REAP

Energy Efficient

Renewable

Water filled fin-tube

Rural Energy for America Program

energy efficient glass

radiant heat

curtain

computer controlled roof mounted

weather station

climate zone

000

000 BTU

propane fueled boilers

fin-tube

tubing embedded

cement foundation

roof vents

energy savings

microclimate

Germansville

USA « less

Sets appears in: • REAP - Good Harvest Farm Blossoms from Energy Savings

Camera: Nikon D7000, f/9.0, 1/125 sec, 17mm (=25mm), ISO 640 (more info) (hide info)

Camera:	Nikon D7000
Lens:	17.0-35.0 mm f/2.8
Aperture:	f/9.0
Exposure Time:	0.008 sec (1/125)
Focal Length:	17mm (35mm equivalent: 25mm)
ISO:	640
Exposure Bias:	+2/3 EV
Flash:	Off, Did not fire
Exposure Program:	Program AE
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Auto
Gain Control:	Low gain up
Color Space:	Uncalibrated
Software:	Adobe Bridge CS5
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