8 pages matching polyethylene film in this book
Results 1-3 of 8
What people are saying - Write a review
We haven't found any reviews in the usual places.
air exchange aluminum BENCH LAYOUT blanket materials blanket system board insulation boiler carbon dioxide coal Cogeneration combustion condensation covered crop Curtain double glazed effective efficiency electrical energy cost energy saving Evaporative Cooling fans fiberglass Figure finned pipe Firetube floor area floor heating system foam fuel oil Gable gases glazing materials greenhouse heating growers heat distribution heat exchanger heat transfer heating pipe horsepower hot water humidity increase inflated inlet installed light levels maintenance MBtu mixing valves Monofilament Line Movable Bench natural gas north wall operate overhead perimeter plants plastic polycarbonate Polyester film polyethylene polyethylene film Polypropylene polystyrene polyurethane Porous Concrete pressure protection pumped reduce heat loss require ridge vents seal shading sidewall single glazed single layer snow space sq ft square foot steam storage surface area temperature difference thermal blanket thermal radiation thermostat tubes typical unit heaters vapor barrier wall area width wind windbreak wood