Buying Guides
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Everything worth monitoring in an RV
Most people buy their second sensor for a reason and their first at random. What is actually worth watching in an RV, in the order it is worth spending money on, including what we cannot read.
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Which temperature sensor should you actually buy?
Nearly everyone starts here, and the honest answer is that a five dollar sensor is fine for most of what you want. Where it stops being fine is specific and worth knowing before you buy twelve of them.
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Why your battery says 12.6 volts and is nearly empty
Voltage is a bad way to measure a battery and a useless one for lithium. What a shunt does differently, and three ways to find out how much you actually have left.
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Portable or hardwired: protecting your RV from the pedestal
A surge protector and an EMS are not the same product, and the difference is the one that saves your air conditioner. Portable versus hardwired, and which failure each one actually prevents.
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Catching a leak before it becomes a floor
Water damage is the most common way an RV is written off, and it almost never announces itself. Where leaks actually start, and three ways to hear about one.
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Knowing how much propane you actually have left
Lifting the tank tells you almost nothing and the little color gauges lie. Three ways to get a real number, including one that reports to your phone.
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Knowing a door opened
A bay door that needs a shove is the problem a five dollar magnet solves completely. What door and motion sensors are genuinely good at, and why neither is a burglar alarm.
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What monitoring can and cannot do about gas
We do not support a single CO or LP detector, and we are not going to. Here is the reasoning, and what to buy instead.
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Why you wake up foggy in a sealed camper
Carbon dioxide, not carbon monoxide. A small sealed rig with two people asleep in it is close to the worst indoor air case there is, and the same breath that makes you foggy is putting water into your walls.
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Tire pressure monitoring, and what the cheap caps do not tell you
A trailer blowout is the most expensive thing that routinely happens to RVs, and the warning is usually heat rather than pressure. Three options, and one buying trap that will cost you the Bluetooth entirely.