Temperature Controllers for Grow Rooms

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Garden Controls (1)
Grozone (4)
PECO (2)
Trolmaster (6)

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Showing 1 - 13 of 13 products

13 products

Showing 1 - 13 of 13 products

Temperature is one of the most direct levers a grower has over plant health and yield. Too high during lights-on, and plants stop feeding. Too low at night and development slows. A digital temperature controller automates the response, monitoring ambient conditions through a sensor and switching heating or cooling equipment on and off at a defined setpoint, so the grow room holds the range you set without manual intervention.

BioFloral carries temperature controllers from Grozone, Trolmaster, and PECO: from single-output day/night thermostats for straightforward cooling setups to modular device stations that integrate with the Trolmaster Hydro-X ecosystem for full environmental automation. Each product has been selected for proven performance and compatibility with real cultivation environments.

Why Choose Temperature Controllers from BioFloral?

Every controller in this collection is expert-curated, drawn from BioFloral's network of 100 trusted horticultural brands and chosen specifically for reliability in grow room applications.
Orders ship across Canada within 1 to 3 business days, with free shipping on orders of $149 or more.
The range spans simple analog thermostats through to Trolmaster modular device stations, covering setups from a single grow tent to multi-zone commercial facilities.
BioFloral's technical advisors can help you match the right controller to your heating or cooling equipment, voltage requirements, and whether you need day/night differential setpoints or integration with a broader automation system.

Climate Controllers — If you need to manage temperature, humidity, and CO₂ from a single unit, Grozone and Trolmaster climate controllers combine all three into one system.
Thermometers — Standalone thermometers and hygrometers for monitoring conditions at a glance, useful alongside any automated temperature controller.
Fan Speed Controllers — Temperature-responsive fan speed control keeps airflow proportional to heat load, reducing noise and energy use between peaks.
CO₂ Controllers — CO₂ enrichment only delivers results within a precise temperature window; pairing a temperature controller with a CO₂ controller protects that investment.

Best Temperature Controllers for Every Grow

Best for Simple Cooling Control

The Garden Controls Cooling Thermostat and Grozone TP2 handle single-output temperature control without complexity, set the target temperature, plug in your exhaust fan or air conditioner, and the controller handles the rest.

Best for Day/Night Temperature Differential

The Grozone TP1 and TP12 allow separate temperature setpoints for lights-on and lights-off periods, maintaining lower nighttime temps without reprogramming or manual adjustment between cycles.

Best for High-Temperature Safety Shutoff

The Grozone TP3 is a dedicated high-temperature shutoff controller that cuts power to connected equipment when the grow space exceeds a set threshold, a critical safety layer in sealed or poorly ventilated rooms during summer months.

Best for Integration with a Full Automation System

Trolmaster DST-1 and DST-2 device stations connect directly to the Hydro-X ecosystem, allowing temperature control to operate as part of a coordinated automation network alongside humidity, CO₂, lighting, and irrigation management.

Filters

Garden Controls (1)
Grozone (4)
PECO (2)
Trolmaster (6)

In stock (13)
Out of stock (0)

FAQ

What is the difference between a temperature controller and a thermostat for a grow room?

The terms are used interchangeably in horticulture, but both trace their design logic back to industrial temperature and process control, a field where sensor-based switching has been used for decades in manufacturing and HVAC environments. In a grow room, both devices monitor air temperature with a probe and use a relay (an electrically operated switch) to turn on and off the connected heating or cooling equipment whenever the reading crosses a user-defined setpoint. Grow room controllers often build on this foundation by adding features like day/night differential setpoints, high-temperature shutoff, or integration with broader climate automation systems.

Do I need a day/night temperature controller for my grow room?

Plants generally benefit from temperatures that are 4 to 8 degrees Celsius cooler during the dark period. A day/night controller automates this shift by switching between day and night modes in direct response to your lighting cycle, eliminating the need to manually adjust setpoints between periods. The Grozone TP1 handles this with two fixed setpoints, while the programmable TP12 goes further by letting you dial in a custom differential of 4°F to 20°F (2°C to 11°C) to match the specific requirements of your crop.

Can I use a temperature controller with an air conditioner?

Yes, but compatibility depends on the AC unit. Standard window or portable air conditioners with manual controls can be plugged directly into the relay output of most temperature controllers; the controller simply interrupts power to the unit when the setpoint is satisfied. Mini-split systems work differently: they do not accept a direct switched connection, so they typically require a low-voltage contact module or a compatible device station such as the Trolmaster ARS-1 or ARS-2 to bridge the signal.

What voltage do BioFloral temperature controllers support?

The range covers both 120V and 240V applications. The Trolmaster DST-1 and DST-2 share the same input voltage range of 100–240 VAC, 50/60 Hz, with a 10A output current rating in both cases; the difference lies in the plug type and the circuit each is designed for. Grozone TP controllers operate at 120V with a maximum resistive load of 15A. Always review the full specification for each unit, including load ratings, before connecting heating or cooling equipment.

Does BioFloral carry temperature controllers that integrate with the Trolmaster Hydro-X system?

Yes. The Trolmaster DST-1, DST-2, TSH-1, ARS-1, ARS-2, and TS-3 are all Hydro-X compatible device stations. They connect to the Hydro-X controller via the proprietary bus system, bringing temperature control into a single panel where it can be coordinated alongside lighting, CO₂, humidity, and all other grow room parameters from one unified interface.

Temperature Controllers

GROZONE TP2 ADJUSTABLE DIFFERENTIAL TEMPSTAT TEMP-2

TROLMASTER TEMPERATURE DEVICE STATION 240V (DST-2)

TROLMASTER TEMP/HUMID STATION W/ 0-10V PROTOCOL (TSH-1)

TROLMASTER AC UNIVERSAL REMOTE SYSTEM (ARS-2)

TROLMASTER AC UNIVERSAL REMOTE STATION (ARS-1)

TROLMASTER REHEAT CONTROL STATION (TS-3)

TROLMASTER TEMPERATURE DEVICE STATION 120V DST-1

PECO WIRELESS THERMOSTAT (1)

GROZONE TP3 HIGH TEMPERATURE SHUT-OFF TEMPSTAT TEMP-3

WIRE 6' WITH PIGGYBACK PLUG 120V FOR THERMOSTAT

GROZONE TP12 ADJUSTABLE DIFFERENTIAL D/N TEMPSTAT

GROZONE TP1 DAY/NIGHT T° CONTROLLER TEMP-1

GARDEN CONTROLS COOLING THERMOSTAT (1)