--- product_id: 684123560 title: "Heater,530W 10-Level PTC Heating for Grow Tent,Plant Room" brand: "spider farmer" price: "$349.59" currency: USD in_stock: true reviews_count: 13 url: https://www.desertcart.us/products/684123560-heater-530w-10-level-ptc-heating-for-grow-tent-plant store_origin: US region: United States of America --- # 530W PTC heating power 24H intuitive countdown timer 10-level adjustable temp & fan speed Heater,530W 10-Level PTC Heating for Grow Tent,Plant Room **Brand:** spider farmer **Price:** $349.59 **Availability:** ✅ In Stock ## Summary > 🌿 Grow smarter, not harder — heat your plants with precision and peace of mind! ## Quick Answers - **What is this?** Heater,530W 10-Level PTC Heating for Grow Tent,Plant Room by spider farmer - **How much does it cost?** $349.59 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/684123560-heater-530w-10-level-ptc-heating-for-grow-tent-plant) ## Best For - spider farmer enthusiasts ## Why This Product - Trusted spider farmer brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Whisper-Quiet Operation:** Ultra-quiet design with a 160cm extension hose prevents direct airflow, protecting delicate plants from stress. - • **Built-In Safety Assurance:** Multi-layer safety features including flame-retardant materials and over-temp protection for worry-free use. - • **Precision Climate Control:** Smart temperature zones with ±3°F deadband reduce energy waste & keep plants thriving. - • **Tailored Comfort Settings:** 10 adjustable heat and fan levels let you customize airflow and warmth exactly how your grow tent demands. - • **Seamless Day-Night Automation:** Auto-switching modes adapt heating based on light cycles, ensuring optimal plant growth 24/7. ## Overview The Spider Farmer Heater is a 530W PTC electric heater designed specifically for grow tents and plant rooms. Featuring 10 adjustable heat and fan levels, smart temperature zone control with a ±3°F deadband, and automatic day-night mode switching, it ensures stable, energy-efficient warmth tailored to your plants' needs. Its quiet operation, 24-hour timer, and safety protections make it an essential climate control appliance for serious indoor growers. ## Description The Sensor Updates every 10 seconds and shows day/night status. The display switches between set and real time temperature every 5 seconds. Use this mode to set a countdown timer and adjust power level. It works with both heating and fan functions. When setting, [00:00] will blink, and you can adjust the timer using the [+] or [-] buttons. Once the setting is complete, the [:] will blink to indicate the setting is active. If you don’t require different temperature settings for day and night, you can activate All-Day Mode,Temperature fluctuations are automatically adjusted based on the built-in deadband. The screen will flash for 5 seconds after the setting is completed to save the setting and start working, the display switches between the set temperature and the real time temperature every 5 seconds. After setup, the screen will blink for 5 seconds to save the settings and start working. The display will alternate every 5 seconds between the set temperature and the real-time temperature. If only one mode (daytime or nighttime) is adjusted, the other will follow the default settings (daytime: 78℉/26℃, nighttime: 72℉/22℃). Automatic Day-Night Mode Switching: Simply select either daytime or nighttime mode, and the sensor will automatically switch between the two based on lighting conditions. The normally open mode setting in fan mode is the same as the setting in heating mode. Normal On Mode Use the [+] or [-] buttons to adjust the heating/air supply level. The heater will run continuously at the set level. The deadband is the temperature range set to avoid frequent on/off cycling, improving energy efficiency. Default is 3°. For example, at 26°C setting:The heater stops at 29°C (26°C + 3°C).It restarts when the temperature drops to 23°C (26°C - 3°C). This feature is only available in All-Day and Day/Night modes. Recommendation: For more precise control, set the deadband to 1° to reduce temperature fluctuations. Why does the heater temperature fluctuate so much? In All-Day and Day/Night modes, the heater has a default deadband of ±3°F.This allows for natural temperature variation and helps save energy.To reduce fluctuation, you can adjust the deadband to ±1°F. Why does the heater make beeping sounds? The beeping indicates the heater’s safety protection system has been triggered (error codes E1–E6).Please refer to the user manual for troubleshooting and maintenance instructions. Why is the displayed temperature inaccurate? The screen automatically switches between the set temperature (SET) and real-time temperature every few seconds. Sensor readings update every 10 seconds and may be affected by airflow.Allow a few minutes for the temperature to stabilize. Why doesn’t the heater respond after I select a mode? The settings are only saved after the screen blinks three times. If another button is pressed too soon, the setting may not apply.After any change (including Day/Night mode), wait for the blinking to finish before pressing other buttons. What if the operation feels too complicated? A detailed user manual is available on the desertcart product page.You can also contact our professional support team for assistance. ## Features - NEW Tent Heater: Different from the regulation of fixed temperature, the grow heater adopts temperature zone regulation design with built-in dead zones 3 (set temperature -3°F on, heating to +3°F off), avoiding frequent switching on and off, and providing more stable temperature control and peace of mind for plants. If you need to improve the accuracy, it is recommended to set it to 1. - Efficient & Energy-Saving: The SF Heater features advanced PTC heating technology and PWM control, 530W Power. It offers 10 adjustable levels for both temperature and fan speed, allowing you to easily tailor settings to your plants' needs. - Intelligent Temperature Control: Built-in customized temperature sensor can monitor your grow space in real time. It will automatically adjust the heating and ventilation according to the environmental conditions to automatically maintain optimal growing conditions.Features Normal Open Mode, Temperature All-day Mode, Temperature Daytime Mode, and Temperature Night Mode, keeping plants warm in winter and providing a stable environment year-round. - Comfortable Growing Design: Intuitive 24H countdown timer for flexible setting of heating time. Grow heater with quiet operation, equipped with the longest adjustable 160cm hose to avoiding direct blowing on the plants.The panel automatically shuts off after 30 seconds of inactivity, ensuring a dark environment at night and preventing unnecessary light interference with your plants. - Safety Protection: Adopting multiple safety mechanisms, including thermostat hardware protection, internal and environmental over-temperature protection, as well as high-quality flame-retardant materials to ensure that the device is safe and reliable under high-temperature conditions. Safe and protected for a variety of home and commercial growing. ## Technical Specifications | Specification | Value | |---------------|-------| | Amperage | 3 A | | Asin | B0DHS6J7ZY | | Best Sellers Rank | #89,769 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #22 in Outdoor Heaters | | Brand Name | Spider Farmer | | Color | Black | | Customer Reviews | 4.2 4.2 out of 5 stars (201) 4.2 out of 5 stars | | Form Factor | Dish | | Fuel Type | Electric | | Heat Output | 530 watts | | Heating Element | PTC Heating | | Heating Method | PTC Heating | | Included Components | RJ12 cable, grow tent heater, temp sensor, vent hose | | Indoor Outdoor Usage | Indoor, Outdoor | | Item Dimensions D X W X H | 12"D x 12"W x 6.3"H | | Item Weight | 5.4 pounds | | Max Temperature Setting | 140 °F | | Min Temperature Setting | 32 °F | | Model Number | SF-Heater | | Mounting Type | Floor Mount | | Number Of Speeds | 10 | | Part Number | SF Heater | | Power Source | ac | | Recommended Uses For Product | Tent | | Room Type | Bedroom, Home Office, Kids Room, Living Room | | Special Features | Adjustable Speed, Digital Display, Electronic Thermostat, On Off Timer | | Voltage | 110 volts_of_alternating_current | ## Product Details - **Brand:** Spider Farmer - **Color:** Black - **Form Factor:** Dish - **Indoor/Outdoor Usage:** Indoor, Outdoor - **Special Feature:** Adjustable Speed, Digital Display, Electronic Thermostat, On Off Timer ## Images ![Heater,530W 10-Level PTC Heating for Grow Tent,Plant Room - Image 1](https://m.media-amazon.com/images/I/610CEeRaZUL.jpg) ## Questions & Answers **Q: Why does the heater temperature fluctuate so much?** A: In All-Day and Day/Night modes, the heater has a default deadband of ±3°F.This allows for natural temperature variation and helps save energy.To reduce fluctuation, you can adjust the deadband to ±1°F. **Q: Why does the heater make beeping sounds?** A: The beeping indicates the heater’s safety protection system has been triggered (error codes E1–E6).Please refer to the user manual for troubleshooting and maintenance instructions. **Q: Why is the displayed temperature inaccurate?** A: The screen automatically switches between the set temperature (SET) and real-time temperature every few seconds. Sensor readings update every 10 seconds and may be affected by airflow.Allow a few minutes for the temperature to stabilize. **Q: Why doesn’t the heater respond after I select a mode?** A: The settings are only saved after the screen blinks three times. If another button is pressed too soon, the setting may not apply.After any change (including Day/Night mode), wait for the blinking to finish before pressing other buttons. **Q: What if the operation feels too complicated?** A: A detailed user manual is available on the Amazon product page.You can also contact our professional support team for assistance. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Its programmable to set it for overnight & when your away. *by on Reviewed in the United States May 15, 2026* AMAZING product.....this is perfect for my little greenhouse....the heater is not harsh hot air coming out, its very gentle & adjustable....Really happy wth this purchase. ### ⭐⭐⭐⭐⭐ Reliable and efficient! *by on Reviewed in the United States February 3, 2026* I have been using this heater for about 5 months now with no issues. It's reliable and seems durable, it achieves the target temperature with ease. Heater settings are also pretty straightforward. Bought it on sale so it was a great value. ### ⭐⭐⭐⭐ good choice for smaller grow spaces *by on Reviewed in the United States March 14, 2025* I’ve used the Spider Farmer Space Heater in my grow tent for a few weeks now, and overall, I’m very impressed! It’s compact, efficient, and really does a great job maintaining the temperature in my tent. The heater is pretty quiet too. the only reason I’m giving it 4 stars instead of 5 is that I wish the instructions were a little more thorough when it comes to setting up the temperature ranges and it had a slightly larger coverage area. It works great for smaller tents, but I could see it struggling a bit with bigger setups especially if you live in a colder climate area. I have my grow tent located in my garage and I am located in the southern part of the U.S. where we maybe get 1 week of cold temperatures which falls in the teens and it held up nicely. Still, for most grow tents, it’s an excellent choice!Highly recommend this if you need a reliable and cost-effective heater for your grow tent. ## Frequently Bought Together - Spider Farmer Grow Tent Heater,530W Portable Heater with Smart Temperature Control, 4 Modes & 24H Timer, 10-Level PTC Heating & Extension Hose for Plant Rooms,Greenhouse, and Grow Tents - Spider Farmer New Grow Tent Fan 6" with 10 Dynamic Wind Speeds and 10-Level Oscillation, EC Motor, Weatherproof IP-54, Auto Oscillating Clip Fan, Powerful Airflow but Quiet for Ventilation Circulation --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/684123560-heater-530w-10-level-ptc-heating-for-grow-tent-plant](https://www.desertcart.us/products/684123560-heater-530w-10-level-ptc-heating-for-grow-tent-plant) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-28*