Free Tools
Answers before you spend a dollar.
Four tools built by a licensed electrician — not a lead form pretending to be a calculator. Run the real numbers on your own home, on your own time. No one has to come out.
Panel Load Assessment
"Can my panel handle what I'm about to add?"
Runs the real NEC 220.83 calculation — the same one a licensed electrician uses to pull a permit. Enter your square footage, panel size, and what you've got running, then add what you're planning. It tells you straight whether you have room.
Check My Panel →EV Charging Calculator
"What does charging at home actually cost me?"
Pick your car and your miles, and see what home charging runs per month against public charging. Handy before you decide whether a Level 2 charger is worth it.
Run My Numbers →Surge Risk Check
"What's actually plugged into my house?"
Add up what a bad surge could take out — the TV, the computers, the AC board, the EV charger. Most people are surprised by the total. Then decide if protection is worth it.
Add It Up →LED Savings Calculator
"Is switching to LED actually worth it?"
See what your current bulbs cost to run versus LEDs, and how long it takes to pay back. We'll be straight with you: it's a real saving, not a game changer.
See The Math →How This Works
No sales trap. Here's the deal.
Straight Talk
What a calculator can't do.
The math in these tools is real — the panel tool runs the same NEC code method a licensed electrician uses for a permit. But a calculator can't see your house.
It can't see what's actually behind your panel cover, whether your connections are tight, whether your ground is solid, or what brand of panel you're looking at. It only knows what you typed in.
So use it as a first read, not a final answer. If the number surprises you, that's exactly when it's worth having someone open it up and look.
These tools don't price your job — on purpose. What the work costs depends on what we find when we open your panel, so you get a flat price on site, before anything starts.
Have It Checked — $119 →The Supersun Universe
Every tool has a villain
The numbers tell you what's there. These tell you what it means.
Questions
The tools, answered straight
Are these tools really free?
Yes. Run them as many times as you want. We ask for your name and email to send you the full report — that's it. No one is going to hound you.
How accurate are they?
The panel tool runs the same NEC 220.83 optional-method calculation a licensed electrician uses when pulling a permit, so the math is the real math. But it's only as good as what you type in, and it can't see your house. Treat it as a solid first read, not a substitute for someone opening the panel.
Will this tell me what the work costs?
No, and that's on purpose. What a job costs depends on what's actually behind your panel cover, and no calculator can see that. You get a flat price on site, before any work starts — that's what the $119 consult is for. We'd rather quote it right than guess it cheap.
Do I have to book anything to use them?
No. Use the tools, get your report, and do nothing else if you want. If you'd like a licensed electrician to check it in person, we're here.
What's NEC 220.83?
It's the section of the National Electrical Code that lays out the optional method for calculating an existing home's electrical load — the standard way to answer "can this panel handle what I'm adding?" It's what our panel tool runs.
Real protection means thinking ahead.
Run the numbers yourself. Then decide if you want a licensed electrician to look.