Friends:
In the old days when a client suggested they might want to run air conditioning equipment on an off-grid system we would just laugh. Now I find I get that request more frequently and clients are willing to pay to acquire enough system capacity to run AC equipment. This means I need to size off-grid installations appropriately for the loads. I have a job pending with a 5 ton AC unit. I cannot find real-life energy specs. I do have a new, fairly efficient 3 ton unit at my grid-connected home and I do have energy monitoring. On a real hot day recently we used a little less than 11kWh in this unit. The max power draw was about 2.5 kW. Here are my questions: 1. Can I linearly extrapolate my usage to a 5 ton unit? 2. Do any of you have real-life, measured energy data on modern AC condenser units that you would be willing to share? Thanks in advance! William Miller Miller Solar 17395 Oak Road, Atascadero, CA 93422 805-438-5600 www.millersolar.com CA Lic. 773985
_______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org
