Titan Controls Zephyr 1 – Day/Night Temp Controller

The Titan Controls Zephyr 1 is a day/night temperature controller designed to automate cooling or heating equipment in indoor grow rooms. It maintains temperature within 4°F of your set point across a range of 55°F to 95°F, with independent day and night settings to match your light cycle. The ETL-listed enclosure is rated for commercial use and protects internal components from dust, rust, and moisture.

Zephyr 1 Specifications

All specifications are drawn directly from manufacturer data and the canonical product listing.

Why Choose the Zephyr 1

The Zephyr 1 is a straightforward temperature controller for growers who need reliable day/night climate automation without complex programming. Here is what sets it apart:

• Dual day/night set points: You can program separate temperature targets for your lights-on and lights-off periods. This matters because plant respiration rates differ between day and night, and many growers prefer a 5–10°F drop at night to manage vapor pressure deficit and reduce stretch.
• Tight temperature control: The controller holds temperature within 4°F of the set point, which is a workable tolerance for most grow room applications. The probe itself reads to within ±2°F, so what you set is close to what you get.
• Long probe reach: The 6 ft temperature probe gives you flexibility in sensor placement — you can position it at canopy height without keeping the controller body inside the grow space.
• Commercial-grade enclosure: The ETL-listed housing is rated to resist dust, rust, and moisture, which is relevant in humid grow environments where cheaper enclosures can fail over time.
• Simple single-outlet control: At 15 amps / 120V, the Zephyr 1 can run most standard air conditioners, fans, or space heaters directly without an additional relay or adapter.

Best Uses for the Zephyr 1

The Zephyr 1 is suited to enclosed growing environments where temperature swings between the light and dark cycle need to be managed automatically. Typical applications include:

• Indoor grow rooms and grow tents: Automate a window AC, portable air conditioner, or space heater to hold temperature within your target range without manual adjustments between light cycles.
• Vegetative and flowering stages: Use separate day and night set points to dial in the temperature differential that matches each growth stage — slightly warmer during the light period, cooler at night.
• Greenhouse climate control: In smaller greenhouses where a single cooling or heating device is sufficient, the Zephyr 1 provides automated temperature switching tied to a probe reading rather than a wall thermostat.
• Seedling and clone chambers: Maintain consistent warmth for rooting cuttings or germinating seeds, with a separate nighttime temperature to prevent stress from cold spells.
• Commercial cultivation rooms: The ETL listing makes the Zephyr 1 appropriate for licensed commercial facilities where electrical safety certification is a compliance requirement.

For humidity management alongside temperature, an Ideal Air dehumidifier condensate pump or a standalone hygrometer works well in tandem with this controller. If you also need airflow automation, a high-output fan such as the Active Air HD pedestal fan can be plugged into a separate controller in the same circuit.

Compatibility & Operating Range

The Zephyr 1 operates on a standard 120V / 60 Hz circuit and handles up to 15 amps of load. This covers the majority of 120V portable air conditioners, inline fans, space heaters, and evaporative coolers sold for residential and light commercial use.

The controller’s temperature sensing range is 55°F to 95°F. Grow environments that operate outside this window — for example, cold-climate seedling rooms that drop below 55°F in winter — would fall outside the controller’s sensing range and require a different unit. Within the 55–95°F band, the probe reads to within ±2°F, and the controller triggers equipment to maintain the set point within a ±4°F differential band.

The 6 ft probe cable provides enough reach to position the sensor at canopy level while mounting the controller body on a wall or rack outside the immediate growing area. The enclosure’s dust, rust, and moisture resistance makes it suitable for the elevated humidity levels typical of closed-loop hydroponic rooms, though it is not rated as waterproof or splash-proof. Avoid direct water contact with the unit.

Because the Zephyr 1 controls one outlet (cooling or heating), growers running both an air conditioner and a space heater simultaneously will need two controllers or a more advanced multi-outlet environmental controller for that setup.

Sources & Further Reading