Solar Powered air conditioning
Kingtec Solar/Promo picture
Five per cent of The united states's electrical energy is used for residential ac, and it is considered today is essential, maybe not an extravagance. It's often needed many when the sun is shining, in order i've mentioned since 2006, Solar Powered air-con Just Makes Sense. For the majority of of that time i've been viewing absorption units that run like a propane refrigerator, but not long ago i mused that possibly its time for a modification of the way we consider this:
I am wondering if solar power driven air conditioning equipment may not be in the long run a small, high performance house or apartment with a tiny, high efficiency air conditioning unit running on a huge honking lender of photovoltaics, and get finished with it.
I am not alone. Jamie Edens of Charleston, South Carolina see the post and typed, informing me personally about his search for a remedy as to the he calls "the crux of your power problem", all that coal which being burned to generate the electrical energy to run that air-conditioning. He additionally noted that there ended up being a huge activity every where to obtain from the grid, to stop paying such cash for electricity, although real problem in this was the hefty load from air-conditioning, and the poor performance of all devices available on the market.
After reading an account of just how truckers had really efficient air conditioners which could run-on electric batteries as they slept, he started going out in vehicle equipment programs and found Kingtec Technologies, a big producer of direct current ac units the transportation and RV marketplace. After creating a prototype that was a small hit on YouTube, and with the assistance of an area Kingtec distributor, Edens persuaded the company to create a unit to their specifications.
They started with really efficient 48 volt DC product that generates 16, 000 BTUs at 850 watts, offering it an electricity performance Ratio (EER) of 18.8. (Martin Holladay explains that EER may be the air conditioning ability of this appliance (in Btu/h) at a patio temperature of 95°F split by the current draw of appliance in watts.)
They included a 45 amp solar fee controller and a 20 amp/hour electric battery as a buffer for whenever clouds prevent the sun. All you have to do is put it in your window like a frequent air conditioner, connect in 1000 watts of solar power panels and it surely will run all day. Include much more batteries or add a grid connection power supply and it surely will operate through the night. So for $2895 plus one thousand dollars really worth of solar panel systems, you running a business.
Edens has-been to Asia and enjoyed the prototype. Contrasting it to his model, he writes:
The newest air conditioning unit blow 3 x harder and it has twice the BTU output. The performance is there which is prepared replace the globe. It's not a toy- the beauty of this ac unit usually all the solar components tend to be installed floating around conditioner plus the engineering is done available. All you have to do is plug inside solar power panels and change the machine on. Air conditioning doesn't want to burden towards grid, our funds and subscribe to international pollution. It may add an innovative new begin to cleanse things up and sustain the planet earth for long term.
16, 000 BTUs is not much like a typical residence air conditioner; it really is a large window unit which may generally concern 600 square feet. But if you combine it with an equally efficient house, you have something here. Once I mused about a photovoltaic driven air conditioner earlier on we wrote Martin Holladay at Green Building Advisor for their thoughts and he responded:
So, if you'd like to lessen your air-con bill, install low-solar-gain house windows on the western (and maybe eastern) wall space, consist of broad roofing overhangs, install deep loft insulation, minmise your environment leakage, put in a simple yet effective air conditioner ... and install PV, around you can afford. This means, I agree with you.
Jamie Edens and Kingtec have built a nice little package that runs on a lot less than my "big honking bank of photovoltaics"; coupled with a tiny home designed around its result (perhaps not an arduous action to take) and you also've got that ultimate goal i have been in search of: the effective and inexpensive solar power powered air conditioning unit.