Estimated annual energy cost increase

Five minutes here could save you $500K.

Don’t buy any home or vehicle until you see this. 

Full Solar Homes use simple roof designs to fit 3-5x more solar on the same sized home. Now even a modest home can produce as much energy as your home and vehicles use. Compare the cost of living in a typical home with gas-powered vehicles to the same home with Full Solar power and electric vehicles. See how much you save on energy. See how just part of your savings can erase years of payments and save you a fortune in interest, too.

It’s not magic, it’s math.

Enter 10 numbers and see for yourself. 
Tap the blue boxes, enter your info, and be amazed. Change any number any time. Tap Clear to start over.
$
ENERGY FOR YOUR HOME
ENERGY FOR YOUR VEHICLES
Vehicle 1
Vehicle 2
Monthly average
Miles per year
Miles/gallon (MPG)
Price per gallon
Gallons per year
Annual cost/vehicle
Monthly fuel/vehicle
Total monthy cost of vehicle fuel
TOTAL MONTHLY ENERGY COSTS
0
$
$
$
$
$
$
$
$
%
Mortgage principal, no solar
$
Add for FULL SOLAR
$
Mortgage principal with FULL SOLAR
$
%
$
$
Interest rate
Years
Monthly payment
No solar
FULL SOLAR
U.S. Bureau of Labor Statistics
Monthly cost
Annual cost
Year 1                   Year 15                  Year 30
 TOTAL 30-YEAR COST — OR SAVINGS!
Monthly cost
Annual cost
Year 1                   Year 15                  Year 30
30-YR. TOTAL
30-YR. TOTAL
$
$
$
$
$
$
$ $ $

But that’s not all the cash you can save.

Now, use part of your energy savings to SAVE ON

INTEREST — and eliminate years of mortgage pay-

ments, too.  Here’s how.

Your FIRST-YEAR monthly savings on energy are                                                .

Add just part of your savings to your monthly

payment. Watch your mortgage vaporize and

your wealth grow.

Start with $150 - $175 less than your monthly savings, so your total monthly outlay is similar to that with a conventional home (see below). See your results here, then try several numbers. You’ll see that even $10 or $20 more makes a big difference. Enter a number. See what happens. Your home is paid off in just                                                                                                                             
HOME ENERGY COSTS
VEHICLE FUEL COSTS
Conventional Home with gas vehicles
Full SolarHome with EVs
Extra pmt. from savings
Total Monthly Outlay
* increases with rising costs of energy.
(fixed amount)
30-Year Total
$
$
$
Mortgage payment
*Energy for home, Yr. 1
*Fuel for vehicles, Yr. 1
 
 
 
 
 
 COMPARE 30-YEAR OUTLAYS
Conventional Home with gas vehicles
Full SolarHome with EVs
Energy for Home
$
$
$
Mortgage principal
Mortgage interest
Fuel for vehicles
 
 
 
 
 
 
 
$
$
What if you might move in a few years? Many people move several times over the years. They don’t have much home equity because all of their mortgage payments are mostly interest. By following the Full Solar Home financial plan described above, you build equity much earlier and pay less interest from the very first month. Your extra equity grows faster than your extra payments — and the gap widens every month.
 COMPARE EQUITY ACCUMULATION
Full Solar Home Plan
Conventional Home
5
7
  8
10
12
15
Equity
Balance
Equity
Balance
Extra Equity*
1
Yr.
Equity and Mortgage  Balance in Dollars
By year 15, your extra equity is $ more than your extra mortgage payments.
. . . and you save                            in INTEREST.
Your combined savings on energy + interest are:
    $
$
After accounting for your investment in solar,
    $
    $
don’t forget the ADDITIONAL                           YOU
SAVE by eliminating                  mortgage payments.
And, by the way. . .
your NET CASH SAVINGS on energy interest are:
(               )
    $
Outlay is similar, even with  the extra mortgage payment.
How many years would you have to work to pay the difference? Why bother?
This calculator is for educational purposes only.                       
Builders, architects, engineers, trades, vendors: join our private referral list and add this calculator  to your website. Tap above.
$
$
© 2026 FullSolarHome.com

The Amazing Full Solar Home Financial Calculator

Until 2026, for 20 years U.S. energy costs rose by an average 3.8% per year, about 50% more than the costs of everything else.
ONGOING ENERGY COSTS
CONVENTIONAL HOME vs FULL SOLAR HOME
Add solar for home + 2 vehicles @ 15K miles/year to new construction      
for $30K or less in many areas. See FullSolarHome.com.
 COMPARE MONTHLY OUTLAYS
* compared to conventional home
Your monthly payment is a bit higher with solar, but your energy savings are much more than the difference, as you’ll see next. Keep going. It’s about to get interesting. Based on your numbers, here’s what your energy costs — or savings —  could look like over a typical mortgage term of 30 years.

Now you can choose to keep your money and

let free energy pay for your home.

Over time, your savings on energy and interest  can exceed the price of your home.
Now the math becomes impossible to ignore.
A Full Solar Home doesn’t cost — it pays. And now you know how much.
Tap below to learn more including how to get a Full Solar Home in your area.        
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