The IRA's 30% Residential Clean Energy Credit now covers standalone home batteries — no solar required. Here's exactly which systems qualify, what costs count, and how to file Form 5695.
LFP chemistry, real cost-per-kWh math, and honest installation costs for Tesla Powerwall 3, EcoFlow Delta Pro Ultra, Enphase IQ, and FranklinWH — without the solar sales pitch.
Yes — but a 3-ton AC surges to 12,000W at startup. Here's how LRA works, what a soft starter does, and whether it's actually worth the cost.
Triage your house to save thousands on backup equipment. Life safety first, food safety second — and a reality check on what you'll actually need vs. what you think you need.
The Generac 22kW uses 2.39 gallons/hour at 50% load. Here's what that costs per day, how to size your propane tank, and the math on a 3-day outage.
Learn the exact math to size your home backup power system — room-by-room load calculation, starting watts, and how to build a real power audit without guessing.
Anywhere from 4 hours to 24+ hours, depending entirely on what you're running. Here are three real-world load profiles so you can see what 10kWh actually buys you.
An interlock kit costs $200 installed. A manual transfer switch costs $1,000. Here's when each makes sense and what your local code might require.
Carbon monoxide kills. The suicide cord kills. Here's the right way to connect a portable generator to your home and the specific mistakes that send people to the hospital.
How to safely connect a portable solar generator to your home's electrical panel -- the 240V problem, legal connection methods, and why the suicide cord kills people.
Whole house generators cost $6,000–$20,000 installed. Here's what drives the price, what the manufacturers don't tell you about lifetime fuel and maintenance costs, and how to size the system correctly.
Electric motors surge to 3–7x their running draw at startup. Here's how to calculate the real wattage requirement before you buy a generator.
What a transfer switch does, why it's legally required, and how to choose between an interlock kit, manual subpanel, and automatic transfer switch before you call an electrician.
Three days on battery alone requires 40–90kWh — that's $35,000–$80,000 in hardware. Here's the math that shows when batteries make sense and when a generator wins.
Square footage tells you almost nothing about generator size. Your HVAC system, water source, and appliances do. Here are three real load calculation scenarios.