A straight comparison of FranklinWH aPower 2 and Tesla Powerwall 3, including retrofit fit, generator integration, gateway differences, warranty fine print, and real buying tradeoffs.
Lumin is usually the smarter buy when your existing panel is fine and you only need smart control on key circuits. SPAN makes more sense when you already need a panel replacement or want one app controlling most of the house.
GenerLink usually costs about $1,000 for the device, but the real question is whether your utility approves it. Here's when it beats a transfer switch and when it doesn't.
SPAN is worth the money when it helps you avoid a service upgrade or buy a smaller battery system. If you just need a normal panel swap, the premium is hard to justify.
An honest comparison of Enphase's modular IQ Battery 5P and Tesla's high-output Powerwall 3, including retrofit fit, app differences, lock-in, and real sizing tradeoffs.
Generac usually wins on dealer reach and quieter published sound numbers. Kohler wins on warranty language and engine hardware. Here's how to choose the better quote.
No. A normal whole-house generator does not qualify for the federal home energy tax credits. The one narrow exception is a possible medical expense deduction.
The quietest home standby generators run about 62-68 dB(A) at 23 feet. Here are the published numbers, the fine print, and how to avoid HOA trouble.
Yes, a solar generator can run a refrigerator if the inverter can handle compressor startup and the battery is sized for the fridge's daily energy use.
Yes, a solar generator can run a well pump, but only if it has true 120/240V output and enough startup headroom. Here is the sizing math that matters.
Manual transfer switches are cheaper and usually better for portable generators. Automatic transfer switches cost more, but they're the right call when backup power needs to take over while you're away.
For most homes, backing up 6 to 10 essential circuits is thousands cheaper than trying to keep the whole panel live. Here's where the money actually goes.
A line-by-line walkthrough of IRS Form 5695 for claiming the 30% Residential Clean Energy Credit on home battery storage -- which lines matter, what costs count, and what changed under the OBBB.
Standard generators produce dirty power that destroys smart appliances. Here's what total harmonic distortion actually does to your electronics and whether an inverter is worth the premium.
A spec-by-spec breakdown of two hybrid home battery systems -- one permanently installed, one modular and portable -- with real cost math and installation ecosystem differences.
The F3800 has a NEMA L14-30 and a 14-50 outlet built in. Here's exactly how to connect it to your breaker panel, what hardware you need, and what to tell your electrician.
A 7.2kW inverter, 6kWh base that scales to 90kWh, and a Smart Home Panel that manages 12 circuits -- here's how the Delta Pro Ultra actually performs as a permanent whole-home backup system.
Portable power stations can qualify for the 30% federal Residential Clean Energy Credit, but only if they meet the IRS's 3kWh capacity minimum and are installed in connection with your home.
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.