The difference comes down to charging speed. Here's how to know which one is right for your home.
If you're new to EVs, the "Level 1 vs Level 2" question is the first one worth understanding. It comes down to how fast you can charge.
| Level 1 | Level 2 | Level 3 (DCFC) | |
|---|---|---|---|
| Power | 120V, ~1.4 kW | 240V, 7–11 kW | 400V+, 50–350 kW |
| Range/hour | 3–4 miles | 25–35 miles | 150–1,000 miles |
| Empty to full | 2–3 days | 6–10 hours | 20–60 min |
| Where | Any wall outlet | Home / workplace | Public stations |
| At home? | Yes, but slow | Yes — ideal | No |
Level 1 means plugging into a regular 120V household outlet using the cable that came with your car. It draws about 1.4 kW and adds about 3 to 4 miles of range per hour. Overnight that's maybe 30–40 miles. For a short commute it can be enough, but for most drivers it's frustrating and can't keep up — from a fully empty battery, Level 1 can take two to three days to reach full.
Level 1's one advantage is that it needs no installation: any grounded outlet works. It's a fine backup or a solution for a plug-in hybrid with a small battery, but it's rarely enough as the only charging for a full battery-electric vehicle.
Level 2 uses a 240V circuit — the same type as your dryer or oven — at 7 to 11 kW, and adds 25 to 35 miles of range per hour. Plug in when you get home and you wake up full every morning, no matter how much you drove. From empty, most EVs reach full in 6 to 10 hours overnight. This is what the vast majority of EV owners install at home.
Exact speed depends on two things: the charger's amperage and how much power your car can accept. A common 40-amp Level 2 charger delivers about 9.6 kW (roughly 30 miles of range per hour). A 48-amp hardwired unit delivers about 11.5 kW. Your vehicle's onboard charger sets the ceiling — for example, if your car accepts a maximum of 7.7 kW, a bigger charger won't charge it faster, though it future-proofs you for a faster-charging next vehicle. Either way, overnight Level 2 charging refills a typical daily drive many times over.
For most people, yes. Here's a simple way to decide: take your typical daily miles and divide by 3–4 (Level 1's hourly rate). If the result is longer than the hours your car sits parked, Level 1 can't keep up and you need Level 2. A 40-mile daily commute already needs 10–13 hours on Level 1 just to break even — with no margin for a longer day. Level 2 removes the math entirely: you always wake up full.
Most plug-in Level 2 chargers use a NEMA 14-50 outlet — the same 240V receptacle used for ranges and RV hookups. Hardwired chargers skip the outlet and connect directly to the circuit, which is required to run a 48-amp unit at full output. Either way, it's a dedicated 240V circuit run from your panel by a licensed electrician and pulled to permit. See our home charger installation page for the details.
Level 3 (DC fast charging) is the high-power charging you see at public stations. It's not a residential product — it requires commercial-grade power that homes don't have. For home charging, Level 2 is the ceiling and it's plenty.
Installing Level 2 means running a dedicated 240V circuit and mounting a charging station — see our home charger installation page. Call (715) 396-1720 for a flat quote.
Questions? Call us for a straight answer — and a flat quote while we're at it.
(715) 396-1720 Call for a Free QuoteMon–Fri 8am–6pm | Sat 9am–3pm
Level 1 uses a standard 120V household outlet and adds about 3 to 4 miles of range per hour. Level 2 uses a 240V circuit and adds 25 to 35 miles per hour — roughly 8 to 10 times faster. Most EV owners install Level 2 at home because Level 1 can't keep up with daily driving.
A Level 2 charger adds 25 to 35 miles of range per hour. For most electric vehicles, you can fully recharge from empty overnight — typically 6 to 10 hours. Most drivers plug in when they get home and wake up to a full battery every morning.
For very short commutes of 20 to 30 miles per day, Level 1 can technically keep up overnight. But most drivers find it frustrating — especially with a longer commute or a vehicle with a larger battery. Level 2 is the practical choice for almost everyone.
Most Level 2 home installations in Parker and Douglas County cost $500 to $1,200, depending on circuit run length and whether a panel upgrade is needed. The federal 30% tax credit and Colorado incentives can significantly reduce your net cost. Call (715) 396-1720 for a flat quote.
Level 3 — DC fast charging — is the high-power charging at public stations. It is not a residential product and requires commercial-grade infrastructure homes do not have. For home charging, Level 2 is the highest tier available and is more than sufficient for overnight charging.
Yes. A dedicated 240V circuit requires a permit and licensed electrician in Parker and throughout Douglas County. A permitted install also qualifies you for the 30% federal tax credit and Colorado rebates. See our full cost guide.