When the batteries are full and the sun is still working, we dump the surplus into the water heater — free hot showers from power that had nowhere else to go. Here is the automation that runs it.
Cheap, disposable, and exactly what you want the moment someone catches a splinter. We keep Splinter Out on the boat, in the RV, and at home.
Goodkit approved
The best portable fan for a boat or RV: the Koonie rechargeable clip-on runs all night on one charge, clamps anywhere, and never touches your house bank. Two years aboard.
Goodkit approved
The Cerbo GX ties your entire Victron system together. Here is how to install it, connect your devices, and set up remote monitoring via VRM.
Frozen pipes and dead batteries are preventable. A complete winterization checklist covering water systems, waste, batteries, exterior, and interior.
We run Engel drawers in the RV, an Engel MT45 portable on the boat and road, and a Dometic CFX3 dual-zone aboard. Each wins for different reasons.
Worth it
Start with Victron’s official diagrams. Then use this 500A guide to understand the terminals, optional GX connection and checks that catch misleading readings.
Shelly smart relays cost and run on DC. We use them to automate lights, fans, and monitoring on our sailboat with Home Assistant.
Goodkit approved
The Victron SmartShunt 500A is the battery monitor we run on our boat. Here is why it beats the cheap alternatives and how it fits into a full monitoring system.
Goodkit approved
We have run both Sirocco fans for years on our boat. Here is when the Elite is worth it and when the standard is the smarter buy.
Worth it
Our firsthand pick is St. Brendan’s Isle. Compare five services by base cost, scanning charges and travel needs—with prices checked September 17, 2026.
Goodkit approved
Three years of reliable cooling aboard, with one replacement latch. Our large Dometic CFX3 dual-zone fridge/freezer is heavy, useful, and rarely needs its app.
Goodkit approved
Victron is better. Renogy is cheaper. Both work. Here's when each one makes sense — and the best combo that gives you both.
Worth it