EV & Home Energy Cost Guides
Plain-English explainers behind the calculators, what things cost, why, and how to keep the number down. Written to answer the question, then get out of your way.
Charging at home
How Much Does It Cost to Install a Level 2 EV Charger?
Level 2 EV charger installation runs $500–$2,500 for most homeowners.
Charging at home
Level 2 Charging Stations: The Complete 2026 Guide
What a Level 2 charging station is, how fast it charges, how many amps you need, plug-in vs hardwired, connectors, cost, and how to choose one in 2026.
Your bill
Time-of-Use Electricity Plans, Explained in Plain English
A time-of-use plan charges more at peak, less off-peak.
Home energy
Heat Pump Sizing Basics: BTUs, Tonnage, and Your Home
A rough rule is one ton of heat pump per 500–600 sq ft, but real sizing uses a Manual J load calc.
Home energy
Home Battery Buying Guide: kWh, Chemistry, and Backup
How to choose a home backup battery: how many kWh you need, LFP vs NMC chemistry, whole-home vs essentials backup, and when a battery is actually worth it.
Charging at home
Do You Need a Panel Upgrade to Charge an EV?
Most homes don’t need a panel upgrade to add an EV charger.
Charging on the road
DC Fast Charging Cost vs Home Charging: Why Public Costs More
Public DC fast charging averages 40–45¢/kWh, two to three times a home rate.
Your bill
Cold-Weather EV Range and Charging Cost
EVs lose roughly 10–30% of range in freezing weather, raising charging cost per mile.
Charging basics
NACS vs CCS: EV Charging Connectors Explained
NACS is Tesla’s plug, now the US standard; CCS is the older standard on most 2020–2024 EVs.
Charging basics
How Long Does It Take to Charge an EV?
Charging an EV takes 6–10 hours on a Level 2 home charger, 2–3 days on a wall outlet, or 25–40 minutes to 80% on DC fast.
Charging basics
Charging an EV Without a Home Charger: Apartment Options and Costs
No garage? You can still run an EV: workplace charging, public Level 2, weekly DC fast sessions, or a 120V outlet.