---
product_id: 649200233
title: "AC Infinity THERMOFORGE T3, Environmental Grow Tent Heater"
brand: "ac infinity"
price: "$428.95"
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
store_origin: US
region: United States of America
---

# Smart VPD & temp controls 4 ft flexible heat hose 10 precise heat levels AC Infinity THERMOFORGE T3, Environmental Grow Tent Heater

**Brand:** ac infinity
**Price:** $428.95
**Availability:** ✅ In Stock

## Summary

> 🔥 Grow smarter, not harder with precision heat control!

## Quick Answers

- **What is this?** AC Infinity THERMOFORGE T3, Environmental Grow Tent Heater by ac infinity
- **How much does it cost?** $428.95 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)

## 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

- • **Focused Heat Delivery:** Flexible 4 ft hose directs warmth exactly where your plants need it
- • **Precision Heat Control:** 10 distinct PTC heating levels for tailored grow environments
- • **Seamless UIS Integration:** Beyond on/off—true 0-100% output control with AC Infinity UIS controllers
- • **Energy Efficient & Durable:** Low power draw with robust build quality ensures reliable, long-term performance
- • **Smart VPD & Temperature Management:** Onboard sensor probe automates ideal vapor pressure deficit and temperature triggers

## Overview

The AC Infinity THERMOFORGE T3 is a cutting-edge environmental grow tent heater featuring 10-level PTC heating, smart VPD and temperature controls via an onboard sensor probe, and a flexible 4 ft heat hose for targeted warmth. Designed for indoor grow tents and rooms, it integrates seamlessly with AC Infinity UIS controllers for precise 0-100% output modulation, delivering energy-efficient, reliable climate management tailored to professional growers.

## Description

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

Review: Elegant and sturdy - Quality I expect from AC infinity - 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.
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.

## 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 A |
| Best Sellers Rank | #50,516 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #10 in Outdoor Heaters |
| Brand | AC Infinity |
| Brand Name | AC Infinity |
| Color | Black |
| Customer Reviews | 4.4 out of 5 stars 682 Reviews |
| 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 |
| 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 kg |
| Manufacturer | AC Infinity |
| Max Temperature Setting | 140 °F |
| Min Temperature Setting | 15 °C |
| 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 Feature | Adjustable Temperature, Automatic Shutoff System, Digital Display, Portable, Smart VPD Controls |
| Special Features | Adjustable Temperature, Automatic Shutoff System, Digital Display, Portable, Smart VPD Controls |
| UPC | 819137024489 |
| Voltage | 120 volts_of_alternating_current |

## 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 - Image 1](https://m.media-amazon.com/images/I/51hEEvOflVL.jpg)
![AC Infinity THERMOFORGE T3, Environmental Grow Tent Heater - Image 2](https://m.media-amazon.com/images/I/71IDlXDL+wL.jpg)
![AC Infinity THERMOFORGE T3, Environmental Grow Tent Heater - Image 3](https://m.media-amazon.com/images/I/71uHgwSVzmL.jpg)
![AC Infinity THERMOFORGE T3, Environmental Grow Tent Heater - Image 4](https://m.media-amazon.com/images/I/61SbcwmRZ0L.jpg)
![AC Infinity THERMOFORGE T3, Environmental Grow Tent Heater - Image 5](https://m.media-amazon.com/images/I/71XH8d-N-5L.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ Awesome for tents or rooms
*by P***N on February 26, 2026*

I was needing a heater for my 5x5 grow tent in my garage. Since I have been using AC Infinity for several years I decided on the Thermoforge T3. It is super quiet, has 10 different heat levels and can be programmed to maintain your desired temp. It comes with a long hose and can be used inside or outside the tent. Great quality and great value. I have since bought another T3 for my other tent.

## 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

---

## 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/649200233-ac-infinity-thermoforge-t3-environmental-grow-tent-heater](https://www.desertcart.us/products/649200233-ac-infinity-thermoforge-t3-environmental-grow-tent-heater)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-28*