---
product_id: 649200233
title: "AC Infinity THERMOFORGE T3, Environmental Grow Tent Heater with VPD Temperature Controller, 10-Level PTC Heating and Included Extension Hose for Tents, Rooms, Greenhouses"
brand: "ac infinity"
price: "$385.85"
currency: USD
in_stock: true
reviews_count: 13
category: "Ac Infinity"
url: https://www.desertcart.us/products/649200233-ac-infinity-thermoforge-t3-environmental-grow-tent-heater-with-vpd
store_origin: US
region: United States of America
---

# 4 ft flexible heat hose 10-level PTC heating precision Smart VPD & temp controller AC Infinity THERMOFORGE T3, Environmental Grow Tent Heater with VPD Temperature Controller, 10-Level PTC Heating and Included Extension Hose for Tents, Rooms, Greenhouses

**Brand:** ac infinity
**Price:** $385.85
**Availability:** ✅ In Stock

## Summary

> 🌿 Grow smarter, not harder — precision heat for next-level cultivation.

## Quick Answers

- **What is this?** AC Infinity THERMOFORGE T3, Environmental Grow Tent Heater with VPD Temperature Controller, 10-Level PTC Heating and Included Extension Hose for Tents, Rooms, Greenhouses by ac infinity
- **How much does it cost?** $385.85 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/649200233-ac-infinity-thermoforge-t3-environmental-grow-tent-heater-with-vpd)

## Best For

- ac infinity enthusiasts

## Why This Product

- Trusted ac infinity brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Tailored Heat Control:** 10 distinct PTC heating levels with PWM technology for ultra-fine temperature tuning.
- • **Focused Warmth Delivery:** Included 4 ft flexible hose directs heat exactly where your plants need it most.
- • **Precision Climate Mastery:** Smart VPD sensor and onboard controller keep your grow environment perfectly dialed in.
- • **Compact & Energy Efficient:** Small footprint with low 5 Amp draw saves space and cuts energy costs without sacrificing power.
- • **Seamless Smart Integration:** Works with AC Infinity UIS controllers for true 0-100% output modulation beyond simple on/off.

## Overview

The THERMOFORGE T3 by AC Infinity is a cutting-edge environmental heater designed specifically for grow tents, rooms, and greenhouses. Featuring a smart VPD temperature controller, 10-level PTC heating with PWM control, and a flexible 4 ft extension hose, it delivers precise, energy-efficient warmth exactly where needed. Compact and compatible with UIS smart controllers, it offers professional-grade climate control to optimize plant growth and maximize yields.

## Description

Buy AC Infinity THERMOFORGE T3, Environmental Grow Tent Heater with VPD Temperature Controller, 10-Level PTC Heating and Included Extension Hose for Tents, Rooms, Greenhouses: Patio Heaters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Reliable Performance Backed by Excellent Customer Support - I’ve been using the AC Infinity THERMOFORGE T3 Environmental Heater, and it’s been a very effective and reliable addition to my setup. It does a great job maintaining consistent temperatures without constant adjustments, which makes a big difference when you need a stable environment. Once it’s set, it runs smoothly and efficiently. The overall performance is impressive—it heats quickly and keeps everything right where it should be. The unit itself feels well-built and designed to last, which adds to the confidence in using it regularly. I did receive a defective unit initially, which was frustrating, but the experience with customer service completely turned that around. AC Infinity handled the replacement quickly and with zero hassle. The process was straightforward, and I had a working unit in no time. Between how effective the heater is and how responsive their support team was, I’d definitely recommend this product.
Review: Safe and sound indoor tent heater - The adjustable power output and low wattage is perfect for a grow tent. No worries for accidental fire as the wattage is low enough to deny ignition and the anti tip shut off works 100%. Never deploy more than a 500 watt heater unattended. This unit fits the bill for set and forget.

## Features

- First-of-its-kind heater designed from the ground up with precision smart controls for ideal grow conditions.
- Onboard controller with corded sensor probe sets VPD and temperature triggers, timers, and cycles.
- Cutting-edge PTC plate technology offers 10 distinct heat levels using PWM control to finely tailor temperature.
- Flexible hose with additional 4 ft. attachment directs heat to focused areas within your grow space.
- Go beyond on/off smart outlets by integrating with our UIS controllers for true 0-100% output control.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CVQXZ9FT |
| Amperage | 5 Amps |
| Best Sellers Rank | #49,360 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #15 in Outdoor Heaters |
| Brand Name | AC Infinity |
| Color | Black |
| Customer Reviews | 4.3 4.3 out of 5 stars (645) |
| Form Factor | Tower |
| Fuel Type | Electric |
| Heating Element | Radiant |
| Heating Method | PTC Heating |
| Included Components | Detachable Extended Hosing, Sensor Probe, Smart VPD and Temperature Controls |
| Indoor Outdoor Usage | Indoor |
| Item Dimensions D x W x H | 5.94"D x 11.49"W x 12.12"H |
| Item Type Name | Environmental Plant Heater |
| Item Weight | 4.22 Kilograms |
| Manufacturer | AC Infinity |
| Max Temperature Setting | 140 Degrees Fahrenheit |
| Min Temperature Setting | 15 Degrees Celsius |
| Model Number | AC-SFT3 |
| Mounting Type | Floor Mount |
| Number of Speeds | 10 |
| Power Source | Electric |
| Recommended Uses For Product | Tent |
| Room Type | Grow Area |
| Special Features | Adjustable Temperature, Automatic Shutoff System, Digital Display, Portable, Smart VPD Controls |
| UPC | 819137024489 |
| Voltage | 120 Volts (AC) |

## Product Details

- **Brand:** AC Infinity
- **Color:** Black
- **Form Factor:** Tower
- **Indoor/Outdoor Usage:** Indoor
- **Special Feature:** Adjustable Temperature, Automatic Shutoff System, Digital Display, Portable, Smart VPD Controls

## Images

![AC Infinity THERMOFORGE T3, Environmental Grow Tent Heater with VPD Temperature Controller, 10-Level PTC Heating and Included Extension Hose for Tents, Rooms, Greenhouses - Image 1](https://m.media-amazon.com/images/I/51hEEvOflVL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Reliable Performance Backed by Excellent Customer Support
*by O***N on April 17, 2026*

I’ve been using the AC Infinity THERMOFORGE T3 Environmental Heater, and it’s been a very effective and reliable addition to my setup. It does a great job maintaining consistent temperatures without constant adjustments, which makes a big difference when you need a stable environment. Once it’s set, it runs smoothly and efficiently. The overall performance is impressive—it heats quickly and keeps everything right where it should be. The unit itself feels well-built and designed to last, which adds to the confidence in using it regularly. I did receive a defective unit initially, which was frustrating, but the experience with customer service completely turned that around. AC Infinity handled the replacement quickly and with zero hassle. The process was straightforward, and I had a working unit in no time. Between how effective the heater is and how responsive their support team was, I’d definitely recommend this product.

### ⭐⭐⭐⭐⭐ Safe and sound indoor tent heater
*by G***L on March 17, 2026*

The adjustable power output and low wattage is perfect for a grow tent. No worries for accidental fire as the wattage is low enough to deny ignition and the anti tip shut off works 100%. Never deploy more than a 500 watt heater unattended. This unit fits the bill for set and forget.

### ⭐⭐⭐⭐⭐ Elegant and sturdy - Quality I expect from AC infinity
*by M***L on August 17, 2025*

I bought this, the AC Infinity AI controller, the Humidifier and own 2 inline fans. With just this a pull fan and the humidifier going with the AI controller i watched VPD be kept in perfect check. I'm normally terrible about this and just set a Temp. The heater has a flex tube you can adjust to blow into a room or just heat the room its in. The screen is easy to read and use. The screen turns off and is controlled by the AI controller if connected, which is fine honestly. The quality as as you'd expect. from AC infinity, elegant, smooth and feels sturdy. It worked for over 4 months off and on automatically and worked great. It definitely uses far less energy than the radiant heater I was using and probably paid for itself. I love AC infinities feel and quality. If you are in the market for a grow room heater then this is worth your money.

## Frequently Bought Together

- AC Infinity THERMOFORGE T3, Environmental Grow Tent Heater with VPD Temperature Controller, 10-Level PTC Heating and Included Extension Hose for Tents, Rooms, Greenhouses
- AC Infinity CLOUDFORGE T3, Plant Humidifier 4.5L with VPD Humidity Controls, 10-Level Precision Vaporizer, Extendable Targeting Hose and No-Leak Seal for Grow Tents
- AC Infinity UIS Splitter Hub, 4-Port Adapter Dongle, Connector Cable Cord to Share UIS Programming for LED Grow Lights, EC Motor Fans, and Humidifiers

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-04-27*