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Flat Plate Drain back using plain water, no antifreeze 120 gallon tank

What You Need to Know


SHW Two 4x8 panels, 120 gallon single tank, drain-back type.. Eagle Controller with display in Family room in parallel with second controller in basement for freeze protection.

Other Benefits:

Using filtered plain water with no anti-freeze. Used a simple RO filter. Water drain backs at night or when very cloudy. Dual controllers for fail safe, not to freeze.

Maintenance Requirements:

Add some RO water once a year due to slight evaporation.

Efficiency or Sustainability Improvements:

Solar PV Pole Mounted 3.4 Kw with automatic Battery Back-up, grid-tied.. SHW Two 4x8 panels, 120 gallon single tank, drain-back type without antifreeze.. 10' 1 Kw Home build 48v wind Turbine with large Fork Truck Battery 50’ tilt tower.. Large southern exposure with Passive Solar thermal mass trombe wall behind large high efficiency fireplace.. External basement insulation, including horizontal 4’ out from wall.. 3’ x7’ Solar Hot Air Heating panel..Rain water harvesting hidden in bench.. Aluminum Shingle Reflective Roof, lifetime warranty and hurricane proof.. Daylighting, Energy Star Appliances, Radiant floor heating, Recycled Materials, Super Insulated Walls/ Roof ..Many RE features not listed.. Could go off-grid for many days.

My Motivation:

This is my retirement plan, greater comfort and lower utilities.


The older style flat panels work well in snowy climate and are more reliable than newer vac tubes that are prone to leak after just a few years.

Additional Notes:

We have been doing a efficiency improvement and RE projects to our house for many years. Along the way we have incorporated almost all available technology. Our fuel oil usage has gone from about 800 gallons a year to 200. Our electric bill has gone from about $150 per month to $60 at the same time we doubled the size of our family room and added central AC. Payback is better than the stock market.

Open House Info:

1147 Dalton Rd off Honeoye Fall#6 road in Honeoye Falls. From Rt390 at Rush follow Rt 15 south to light, left onto HF#6 road. Dalton is on right in 3 miles. 3rd house on left, east, blue tall house. 2.5 miles north of Rts 5&20 in Lima 5 minutes to either E.Avon or Rush Rt 390 exits. Long driveway with Parking at House. Long recycled driveway with circle for parking at house.. In-line weatherstation RE system monitoring

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