#10 in the buying orderHeatingSystem component

Bootstrap Farmer 24V Greenhouse Thermostat

This is a proper 24V climate-system thermostat, not a universal plug-in controller for any heater or fan.

Current price
$115.99
Checked September 1, 2026
Review type
Independent desk review
Not a physical product test
Check current price and availability
White 24-volt greenhouse thermostat controller
Product image: Bootstrap Farmer product page

Best for

A greenhouse heating or cooling system designed for 24V thermostat control.

Skip if

You are trying to plug a normal 120V appliance directly into it. That is not what this thermostat is for.

Hidden cost

Transformer, relay or contactor, wiring, enclosure, and professional electrical work may be required.

Why it made the list

The buyer case

The seller states the control voltage and operating range clearly, which exposes the compatibility question before purchase.

Compatibility comes first

Requires a compatible 24V system and correct wiring. Confirm the controlled equipment, transformer, amperage, and installation method.

Installation boundary

Treat it as a control component in a designed system. Do not improvise mains-voltage switching through a 24V thermostat.

Our verdict

A useful component for the right system and an expensive wrong purchase for everyone else. Compatibility is the whole decision.

Primary sources

Product facts come from these direct sources. They are kept separate from the purchase button, and none is rewritten through an affiliate redirect.

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