Climate Control

accont69pro
A digital controller designed to equip AC Infinity devices with smart controls to produce the optimal environment. Control up to four devices from fans to grow lights and provide each with their own independent programming. Automate devices to dynamically change speed and brightness levels in response to temperature, humidity, and VPD. Additional programming includes grow cycles, scheduling, timers, minimum levels, and custom transitions. Pair with our app via Bluetooth or WiFi to unlock advance programs, set alarms, notifications, and view climate data.
$99.00
Availability: 5 in stock
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accont69pro
A next-gen controller designed to provide AC Infinity devices with smart programming to produce the most optimized environment. This central command unit connects with up to eight different devices from fans to lights to provide each with independent climate and time-based programming. This product is a part of the UIS™ platform of grow devices and smart controllers, designed to integrate with each other to achieve your ideal environment.
$129.00
Availability: 10 in stock
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AIDTA254
This ducting is designed for various ventilation, circulation, and heating/cooling transfer applications. It features four-layer protection, making it more durable and resistant to leaks than single-layer designs. The internal layer is made of heavy-duty dual aluminum foil that is fire/flame resistant. Its outer layer utilizes dual PVC thermoplastic that protects the aluminum from cuts and tears while stopping leakage. Each duct tube is held together by an internal steel-wire spiral that is flexible and easy to install in hard to reach places. The ducting can be shortened by cutting the tube to fit various applications. Includes two stainless steel duct clamps.
$19.99
Availability: 5 in stock
AIDTA68
This ducting is designed for various ventilation, circulation, and heating/cooling transfer applications. It features four-layer protection, making it more durable and resistant to leaks than single-layer designs. The internal layer is made of heavy-duty dual aluminum foil that is fire/flame resistant. Its outer layer utilizes dual PVC thermoplastic that protects the aluminum from cuts and tears while stopping leakage. Each duct tube is held together by an internal steel-wire spiral that is flexible and easy to install in hard to reach places. The ducting can be shortened by cutting the tube to fit various applications. Includes two stainless steel duct clamps.
$14.99
Availability: 5 in stock
ACDCF4
The high-airflow duct filter is designed to use activated carbon to eliminate odors and chemicals, popularly used for hydroponics, grow rooms, kitchens, smoking areas, and other ventilation projects. Features premium-grade Australian Virgin charcoal bed. Each carbon filter features premium-grade Australian Virgin charcoal bed rated at 1200+ IAV. It achieves a 38mm charcoal bed thickness and wider mesh openings thanks to a higher  microporosity and surface area rating. This combination not only enables a higher adsorption rate without restricting free airflow, it allows the carbon filter to last up to 33% longer.
$49.99
Availability: 5 in stock
HFACFC6
Space-saving design is ideal for your greenhouse, kitchen, office, nursery, and more - any area where space is limited and air circulation is desired. The spring-loaded plastic clip won't mar surfaces and the adjustable head directs air flow where you need it. It features durable plastic blades and the easily-removable safety grill makes cleaning a breeze.
$21.99
Availability: 5 in stock
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$22.99
Availability: 1 in stock
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$32.99
Availability: 1 in stock
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hfaahc75p
If you live somewhere with cold, dry air, you know that parched skin and a raspy throat usually come with the territory. In very low humidity conditions the photosynthetic process within the plant slows and this leads to stress, slow growth and compromised yield. Don't let your plants suffer any longer!
$419.99
Availability: 10 in stock
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Free shipping
hfaadhc1002p
Active Air dehumidifiers provide control with excellent value! Active Air dehumidifiers are designed to provide optimal humidity control in your growing environment.
$949.99
Availability: 10 in stock
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hfactiveairht
You'll find multiple uses for and multiple places to put this Active Air hygro-thermometer. Check the large number LCD display from a distance, and move it around with you as you go about your gardening tasks. The hygro-thermometer's readings are extremely accurate. Prop it up on your workspace, close to your plants, or wall-mount it for hands-free hanging readings.   Current temperature and humidity reading with simultaneous display of Max and Min memory Auto-switch display between indoor and outdoor temperature reading Continuous indoor relative humidity and temperature display 3 meter temperature sensor for convenient placement Jumbo screen display 
$25.99
Availability: 5 in stock
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hfactiveairiotwh
Active Air's indoor-outdoor thermometer gives you more. Made of sturdy materials to stand up to the climate of your indoor grow room, this essential tool features a large display to read the current temperature and humidity levels. A remote probe allows you to sample two temperatures at once. Record the high and low points for both temperature and humidity.   3 meter sensor for temperature reading only Relative humidity sensor located on side of unit Alarm clock function at 12 and 24 hours
$23.99
Availability: 5 in stock
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HFAAACDF4
Active Air Inline Duct Fans offer innovation and performance at a great price. Available in 4", 6", 8", 10" and 12".
$131.40
Availability: 50 in stock
Free shipping
Save 7%
hfacan1402
Keep your cool as summer heats up with the Active Air Portable Air Conditioner, available exclusively from Hydrofarm. This air conditioner’s portability makes it ideal for growers who don’t want to invest in pricey ductwork or central AC installation, and those who require spot cooling between 62 and 95 degrees in areas up to 800 cubic feet (this is equal to a 10' x 10' grow room with an 8' ceiling). Use in gardening applications should be limited to rooms with no more than two 1000W air-cooled lighting systems.
$589.99 $549.99
You save: $40.00
Availability: 100 in stock
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HFVTM0040
The Vortex Powerfan VTM Series is an in-line duct fan specifically designed to maximize the airflow performance with minimal noise levels in a small, compact housing. These fans incorporate a powerful mixed flow impeller and internal air vanes located at the discharge end of the fan housing.
$121.99
Availability: 1 in stock
HFVTS4001
Where top efficiency and quiet operation is required, the Vortex Powerfan VTS Series offer unsurpassed value. Specifically designed for warm and humid applications, these in-line fans are available in sizes ranging from 4" to 12" and can develop up to 1010 CFM.
$141.99
Availability: 1 in stock
hfatplf412
Manufactured with only the finest RC-48 Australian activated carbon, The Pro-Lite filters effectively remove 99.5% of volatile organic compounds. The PreFilter eliminates bigger particles such as dust to prevent premature usage of carbon.
$91.99
Availability: 4 in stock
HFVTX400
Vortex Powerfans are high-performance, inline duct blowers constructed from quality steel with a heavy-duty attractive hammertone powdered coat finish.
$172.99
Availability: 6 in stock
hfautopilot24hd&ncht
Autopilot 24 hr Day & Night Cooling/Heating Thermostat is a temperature controller that can be used as a cooling OR a heating device. It automatically powers the device connected based on the selected day and night set points. The user can choose to have different day and night temperature set points that are automatically detected by the built-in photocell. The knobs make it easy to adjust the settings. We added a Memory-lock feature which will lock the set points into memory for consistent performance, even if the knobs are accidentally bumped.
$79.30
Availability: 5 in stock
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hfautopilot7dgdpt1725w
Using a timer to automate your lighting adds convenience and encourages productive growth with consistent hours of light. Timers are also essential for many hydroponic system applications. Features 1 second on/off Up to 8 on/off cycles per day Excellent for hydroponic systems 15 amp UL-listed
$23.99
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hfautopilota24hrt
The APCTART2 is a cycle timer controller with day and night detection. It works to control any application requiring a device to be turned on and off at precise intervals. This timer has a wide range of uses including controlling hydroponic pumps, CO2 injection, turning on and off exhaust fans, misters and more. The cycle timer is adjustable for operation during the day, during the night, or all of the time (24 hours). We added a Memory-lock feature which will lock the set points into memory for consistent performance, even if the knobs are accidently bumped.
$85.48
Availability: 5 in stock
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hfautopilotagt1725w
Using an analog timer to automate your lighting adds convenience and encourages productive growth with consistent hours of light. Timers are also essential for many hydroponic system applications. Features 15 minute on/off 15A/1725W Great for lighting, pumps, etc. Includes convenient clam shell packaging UL-listed
$16.69
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hfautopilotcoolther
The Autopilot Cooling Thermostat is a compact and easy-to-use controller for air conditioners and exhaust fans. Simply plug it into a power receptacle and then plug your cooling device into its outlet, then choose your preferred room temperature setpoint with the rotary knob. When its built-in sensor senses that the room temperature has exceeded the setpoint by at least 1°F, it will automatically activate your cooling device by powering the outlet. Digital screen displays current room temperature. Its green LED light illuminates when the outlet is activated to on. When the temperature in the room has dropped at least 1°F, the Autopilot Cooling Thermostat will cut power to the cooling device. It has a built-in 1-degree deadband and is ETL-listed. Max power handling 15A.
$50.59
Availability: 5 in stock
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hfautopilotdehumidhumi
The Autopilot Dehumidifying Humidistat is a compact and easy-to-use controller for dehumidifiers and exhaust fans. Simply plug it into a power receptacle and then plug your dehumidifying device into its outlet, then choose your preferred relative humidity (RH) setpoint with the rotary knob. When its built-in sensor senses that the RH has exceeded the setpoint by at least 1%, it will automatically activate your dehumidifying device by powering the outlet. Its green LED light illuminates when the outlet is activated to on. When the RH in the room has dropped at least 1%, the Autopilot Dehumidifying Humidistat will cut power to the dehumidifying device. Digital screen displays current in room relative humidity. It has a built-in 1% RH deadband and is ETL-listed. Max power handling 15A.
$51.15
Availability: 5 in stock
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hfautopilotdo7dgdpt1725w
Using a timer to automate your lighting adds convenience and encourages productive growth with consistent hours of light. Timers are also essential for many hydroponic system applications. This model has two outlets. Features 1 second on/off Up to 8 on/off cycles per day Controls two outlets simultaneously 15A/1725W UL-listed
$27.69
Availability: 5 in stock
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hfautopilotdoagt1725w
Using an analog timer to automate your lighting adds convenience and encourages productive growth with consistent hours of light. Timers are also essential for many hydroponic system applications. Features 15 minute on/off 24 hour cycle Controls two outlets simultaneously 15A/1725W UL-listed
$18.99
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hfautopilotef60dec
The Autopilot ECLIPSE F60 Digital Environmental Controller combines precise temperature and humidity control along with cycle timing to create an intelligent yet easy-to-use unit. Three digital screens continuously display current temperature, relative humidity, and a cycle timing countdown clock. LED lights indicate active modes and inform the user of any errors.
$275.48
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hfautopilotef90mec
The Autopilot ECLIPSE F90 Master Environmental Controller allows growers to precisely control and monitor temperature, humidity, and CO2 from one centralized unit. Its three digital screens continuous display current temperature, relative humidity, and CO2 levels. LED lights indicate active modes and inform the user of any errors. 
$691.47
Availability: 4 in stock
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hfautopilotrf20rclct
The Autopilot REVOLVE F20 Repeat Cycle and Light Combo Timer controls lighting schedules and timed cycling functions in your grow area with perfect digital accuracy. It has simultaneous dual timer functions, a 24-hour time clock for lighting, and a precision cycle timer for pumps, CO2 injection, exhaust fans, intake fans, etc. that allow you to dial in programming down to the second. 
$247.14
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hfautopilotspps8ot
Expand wall outlets and control your equipment with this 8-outlet power strip with surge protection and built-in timer. Offers 4 timed outlets and 4 always-on outlets, with indicator lights for each type. Timer has 15-minute increment pins. Timer override switch provided. Lighted power switch also acts as circuit breaker/reset.
$31.99
Availability: 5 in stock
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clwsscontr
The SolarSystem controller works only with the California Lightworks SolarSystem 1100, 550, and 275. It can control an unlimited number of lights from a single controller. It allows automated programming for spectrum control, 24-hour timer, and day/week/month calendar.
$189.00
Availability: 10 in stock
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hfco2chtso
Simple CO2 controller with display and day/night detection. Very easy to install and set up. The PNG-060 comes with a high temperature shutoff to protect your plants from overheating: CO2 enrichment is stopped when the temperature set point is reached. Displays ambient CO2 level Day and night detection Adjustable CO2 setpoint from 400 ppm to 2100 ppm High temperature shutoff feature from 50°F to 130°F Adjustable differential Easy one-button calibration 3-year warranty 15A/120V/60Hz Made in North America
$464.99
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hfdnctwd
Controls your desired equipment during daytime only, nighttime only or both. Use to time fans, pumps or CO2 or irrigation. Displays time left in the cycle and whether the output is activated or not. Set timer for day time only, nighttime only or both Set on time from 1 minute to 14 hours Set off time from 1 minute to 14 hours Displays time remaining on cycle 3-year warranty 15A/120V/60Hz Made in North America
$139.99
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hfdnhcwd
The PNG-030 is a friendly humidity controller that has been developed to offer both accuracy and simplicity at the same time. It allows you to track your humidity level at all times with its LED display. Change from humidification to dehumidification with the push of a button. Controls a humidifier, dehumidifier or fan. Select your wanted differential from the four preset settings, dial in your wanted humidity level, and you are ready to grow!
$149.99
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hfdntcwd
Controls cooling or heating equipment. Day and night settings keep temperature within your set point. 10' temperature probe is accurate to within 2°F. Displays ambient temperature Day and night setpoints from 50°F to 100°F Operating mode: Heating or Cooling Adjustable differential Displays if output is activated 3-year warranty 15A/120V/60Hz Made in North America
$139.99
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EX50002
The XL ExHale CO2 Bag is for medium to large grow spaces. The XL will provide a 6x6 foot or 288 cubic foot space with CO2 for 6 months guaranteed. The XL ExHale comes with a freshness seal that doubles as a hanger.   Steady supply of CO2 for 6 months guaranteed...
$55.95
Availability: 100 in stock
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741459145637
GET THE GOOD GAS TO YOUR PLANTS! EASY TO USE ALWAYS FRESH EFFECTIVE MADE IN THE USA "CO2  ACTIVATED BY HUMIDITY CHEMISTRY" The GREEN PAD CO2 generators has made adding Carbon Dioxide to indoor gardens easier than ever. THE GREEN PAD absorbs the humidity in your indoor garden,...
$29.95
Availability: 31 in stock
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029882509975
BIGGER, STRONGER, LAST LONGER, FOR LARGER GARDENS! NO HEAT NO HASSLE NO EQUIPMENT MADE IN THE USA "CO2  ACTIVATED BY HUMIDITY CHEMISTRY" The GRAND DADDY PAD CO2 generators has made adding Carbon Dioxide to indoor gardens easier than ever. THE GRAND DADDY PAD absorbs the...
$34.95
Availability: 10 in stock
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741459145644
THE GREEN PAD JR. JUMP START YOUR CLONES WITH CO2 ! HIGHER STRIKE RATES FASTER ROOTING LESS LEAF YELLOWING! MADE IN THE USA "CO2  ACTIVATED BY HUMIDITY CHEMISTRY" The first and most effective commercial CO2 supplement made specifically for your seedlings and clones. THE GREEN PAD...
$14.95
Availability: 35 in stock
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HFjet4in160cfm
Prepare to be blown away by the new Jetfans! These powerful mixed-flow digital fans are 32-bit microprocessor-controlled and offer outstanding performance and value. Available in 4", 6", 8", and 10" models, Jetfans are the ideal solution for your ventilation needs. Because the motors in these fans are EC—electronically controlled—they offer very high efficiency, reliability, and controllability. They include a highly precise speed control unit that can be detached from the fan and power cord if desired. 
$125.75
Availability: 4 in stock
Free shipping
Save 20%
hfiponic614
Link4 iPonic Controllers are the latest in greenhouse environmental automation. Control and integrate a variety of equipment in your grow room with one easy-to-use system. Manage your heating, cooling, humidity, lighting needs and more from just one controller. Precision controls allow you to improve crop quality, reduce equipment usage and lower energy costs. The iPonic 614 gives complete monitoring and control from outside the grow room via optional PC software, smart phone applications and internet connectivity.
$1,749.99 $1,399.99
You save: $350.00
Availability: 3 in stock
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Free shipping
Save 21%
hfiponic624
The iPonic hydroponic environmental controller enables growers to control a grow environment with Cloud-based access from any Internet-connected computer or smartphone. Unlike most controllers on the market, the iPonic controller allows you to program all functions together and eliminate the need for multiple controllers. The iPonic does it all: Fuzzy Logic CO2, light timer, temperature, humidity, recycle timers, vent fans, high temperature shut-off, irrigation, central air conditioning, and heating. Versality of the controller allows you to even add your own custom devices, which you can change on the fly add or delete devices to match the equipment in your grow house in minutes. The iPonic 624 is a dual-zone controller that shares 8 120-volt outlets between both rooms. The controller comes with dual Digital Integrated Sensor Modules (DISM) for full independent control of each room.
$2,522.99 $1,999.99
You save: $523.00
Availability: 10 in stock
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HFPF390cfm
The Phat Fan is an inline mixed flow fan capable of medium to high static pressure. This line of fans features aerodynamically optimized airflow, quiet operation, and extremely high efficiency.
$226.23
Availability: 10 in stock
hfphat150cfm
The Phat Filter is a professional grade, world renowned greenhouse filter that will remove the nastiest odors from your growing area to give you peace of mind.
$94.90
Availability: 5 in stock
pulseone
The smart environmental monitor. Real time and historical data: Vapor Pressure Deficit, Temperature, Relative Humidity, Light Intensity & Dew Point. Included features remotely accessible via the Pulse app (PC, iOS, Android). Unlimited number of sensors & live data, including multiple locations & WiFi networks viewable on one dashboard. Instant, reliable alerts customizable to each zone. Easily adjust alert profiles on multiple devices with the template manager. Day & night averages for any selected time period.
$199.99
Availability: 10 in stock
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644216843404
TNB Naturals The Enhancer The Enhancer is an all natural CO2 generator made from 100% organic ingredients. This safe and effective solution for CO2 supplementation creates a blast of CO2 that can reach 1200 PPM in a 12’x12’x12’ area for up to 2 weeks. Activate The Enhancer by adding 1...
$39.99
Availability: 48 in stock
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