Individual Greenhouse Energy Conservation Checklist

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Did you observe any leaks in the hot water distribution system? Yes No NAAre the hot water heating pipes clean? Yes No NAAre the hot water distribution pipes insulated? Yes No NAAre hot water tanks close to largest and most frequent point of use? Yes No NAAre hot water distribution pipes all insulated? Yes No NAWhat is the temperature setting on the hot water storage tank? °F/ NAAre heat exchangers (e.g., located inside unit heaters) clean? Yes No NAAre heat exchangers (e.g., located inside unit heaters) clean? Yes No NAIs the unit heater or boiler power vented? Yes No NAWas the heating system serviced immediately before or during this cold season? YesIs there more than one heating stage (e.g. bench/perimeter zones or multiple units)? Yes NoIs there a backup heating source in case the main heater fails? Yes NoSuggestions in terms of heating system:__________________________________________________________________________________________________________________________Ventilation and CoolingIs the greenhouse naturally or mechanically ventilated? Naturally MechanicallyIf naturally, is the ventilation system motorized? Yes NoIf mechanically,is it an open-roof greenhouse? Yes Noare the fans AMCA rated (check seals) and do they have a VentilationEfficiency ratio larger than 15? Yes Noare the fan motors variable speed motors? Yes Noare the fans staged (and what is their staging)? Yes Noare the belts on the fans tightened and aligned properly? Yes Noare the blades balanced and in good condition? Yes NoAre outside doors routinely kept closed when the greenhouse is venting? YesAre indoor doors routinely kept closed between compartments? Yes No NADoes the greenhouse have an evaporative cooling system? YesIf yes, what type? Pad and Fan System Fog SystemDoes the grower report any humidity problems? Yes NoSuggestions in terms of ventilation:______________________________________________________________________________________________________________________________NoNoNo4
Insect ScreeningIs the ventilation opening outfitted with insect screening? Yes NoIf yes, what is(are) the type(s) of insect(s) that need to be screened out?__________________If yes, what is the mesh size (or opening size) of the screen material?____________________If yes, what is the pressure drop across the screen material?Inches of water gauge_______If yes, is the insect screen in good condition (i.e., without unwanted openings)? Yes NoIf yes, how often is the screening material cleaned?If yes, does the ventilation system provide adequate ventilation on warm summer days?Yes NoIf no, does the grower report insect problems? YesNoSuggestions in terms of insect screening:_________________________________________________________________________________________________________________________DrainageDoes rain and melt water drain away from the building properly? Yes NoIs there excess irrigation water on the floor Yes NoSuggestions in terms of drainage:_______________________________________________________________________________________________________________________________Conserving ElectricityAre electrical motors high efficiency? Yes NoWere any incandescent lamp bulbs replaced with fluorescent or HID bulbs? Yes NoWas a licensed electrician involved in design of the system YesHas the entire electric system been checked recently by a licensed electrician? Yes NoHow many phases does the electric system have?____________________________What is the voltage provided to the various electrical services?________________________Is there a backup generator? Yes NoSuggestions in terms of electricity:_________________________________________________________________________________________________________________________No5
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Individual Greenhouse Energy Conservation Checklist

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