Can My Panel Handle It? Check Before You Upgrade
Find out in 60 seconds if your electrical panel can handle an EV charger, heat pump, or hot tub.
Skip the $3,000+ panel upgrade guesswork. Get an electrician-designed, NEC-inspired estimate before you call for quotes.
Get clarity before you pay for quotes, upgrades, or a service call.
No electrical knowledge required. Takes about 1 minute.
500+
homeowners assessed
$9.99
vs $150–$300 service call
~60 sec
average completion time
Panel size, square footage, and what upgrades you're planning.
Get a fast result showing whether your home likely has enough electrical capacity or may need another solution.
Unlock a detailed load breakdown to bring to your next quote — typically saves a $150–$300 service call.
Modern homes draw far more power than panels installed 20–40 years ago were designed for. Here's what's competing for capacity inside your panel.
Common warning signs of an overloaded panel include breakers that trip frequently, lights that flicker or dim when large appliances start, warm or discolored breaker switches, and a faint buzzing sound from the panel. If you notice any of these, it's a sign your panel is being pushed close to its capacity.
EV chargers, central air conditioning and heat pumps, electric water heaters, electric ranges and ovens, and clothes dryers are typically the largest loads. A single Level 2 EV charger alone can pull as much power as an entire 1990s house at peak.
Sometimes, but not always. A 100A panel has roughly 80A of usable continuous capacity. Whether it can handle a new EV charger or heat pump depends on your existing loads — central AC, electric dryer, water heater, and range all compete for that same headroom. Our free check estimates this for you using NEC 220.82.
At best, your main breaker will trip and shut off power to the whole house. At worst, sustained overloads cause heat buildup at connections, which can damage breakers, melt insulation, and in rare cases start an electrical fire. That's why a load calculation matters before adding big appliances.
Many homeowners are quoted $3,000–$5,000 for a panel upgrade they may not actually need. A proper NEC load calculation often shows the existing panel has enough headroom — or that a smaller fix like a load management device will work. Always get the math before paying for a full upgrade.
Find out exactly what your panel can handle — by appliance, brand, or your local area.
Level 2 home charging — 100A, 150A, or 200A panel?
Whole-house heating + cooling load impact, with backup heat.
240V spa — 40A or 60A circuit, panel space requirements.
Switching from gas to a 40A–50A electric range.
Tesla Powerwall, Enphase, FranklinWH backfeed planning.
Whole-house electric tankless — typically 100A+ of demand.
Local panel check for Nassau & Suffolk County homeowners.
Real feedback from Long Island homeowners who used the panel check before calling an electrician.
"I was about to spend $4,500 on a panel upgrade for my new EV charger. The report showed I had room with a 32A charger instead. Saved me thousands."
Mark D.
Huntington, NY
"Brought the report to my electrician and he said it was the most prepared homeowner he'd ever met. Got my heat pump quote in one visit."
Sarah K.
Massapequa, NY
"Quick, clear, and saved me a service call just to ask if my panel could handle a hot tub. Worth every penny."
Jim P.
Smithtown, NY
In-depth guides written and reviewed by a licensed NY electrician.
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