Combine ICF walls with Ground Source heat pump and last is PV solar.

EnergySage Customer
Quick Facts
Average Annual Savings


Energy Needs Met


or more of hot water

Energy Needs Met


or more of space heating

Energy Needs Met


or more of air conditioning

Net Investment


Return on Investment



What You Need to Know


Totally Electric house no propane or natural gas used for heating or cooling. ICF Insulated Concrete walls are more costly but have good insulating value and wind/air does not go through 6 inches of concrete. Great air tight house. Ground Source Heat Pumps bring 53 degree from four 150 ft. deep wells into heat exchanger in house. Heating is about 4 output units of heat for each single unit input. Air Conditioner has a SEER rating of 27 in first stage. 48 Enphase M215 micro inverters and 48 Trina 235 watt solar panels. The Enphase M215 will max out at 225 watts each. 225 x 48 = 10,800 watts. Ground mounts are more expensive but make for easier snow removal and maintenance.

Other Benefits:

Total Power bill was $36.00 in 2013

Maintenance Requirements:

Clean snow off with extendable fiber glass pole with non-scratching snow scraper on end. Ground Source Heat Pump has 10 yr. warranty.

My Motivation:

I am cheap. I look at life cycle cost and not upfront cost.


Do your own research so you know when someone is not giving you the full picture.

Experience with Installer:

I had the best builders and installers.

Open House Info:

If you are going to be in Urbana, IL. call a day ahead. If I am available I will be glad to show you this house. 217-377-8282


View Other Case Studies

Search for Other Case Studies

The EnergySage Marketplace

Get the best deal on solar.