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Black flexible, ribbed ventilation hose on a white background, reflecting light.
Ask Sage about this product

AC Infinity 8' Thermal-Resistant Hose for Thermoforge S7 and T7

Official AC Infinity Dealer Model: AC-DTH4-8
$29.99 USD
  • Expands 4x its stored length from 2.3 feet to 8 feet for heat delivery
  • Rigid polypropylene build holds its shape without collapsing or drifting
  • Securely threads onto S7 and T7 exhaust ports using a counter-clockwise lock
  • View More Details

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THROUGH THE Cultivator's LENS Hands-On Evaluation

Who This Is For

  • You are adding dedicated ducting because your standard flexible hose loses too much heat through the walls.
  • You are upgrading to a form-holding hose because your current ducting sags and misses the target zone.

What We Found

  • The polypropylene walls stay much cooler than foil ducting, which is a huge plus when you are working in tight spaces.
  • We noticed this hose keeps its shape even at full extension, so you can aim heat exactly where your plants need it.

What Users Say

  • Users who swapped out standard ducting say they stopped seeing heat stress near the heater exhaust ports.
  • Growers tell us they save time on every reset because the hose compresses down to just two feet for easy storage.

AC Infinity AC-DTH4-8 Thermal-Resistant Hose 8' for Thermoforge S7 and T7

Standard flexible ducting loses efficiency when channeling heat — it radiates warmth through the walls instead of delivering it where you need it. The AC Infinity AC-DTH4-8 is purpose-built for Thermoforge S7 and T7 heaters, using thermal-resistant polypropylene construction to safely and efficiently duct exhaust heat directly into your grow space. The exterior stays cooler to the touch during operation, and the form-holding flexible design means you can aim heat at specific zones without the hose collapsing or drifting. When stored, it compresses to just 2.3 feet — extend it to a full 8 feet whenever the job calls for it.

Features

🌡️
Thermoforge-Compatible Heat Ducting

Engineered exclusively for Thermoforge S7 and T7 exhaust ports to deliver heat directly into grow spaces with minimal energy loss.

🧱
Thermal-Resistant Polypropylene Build

Constructed from durable heat-resistant polypropylene that keeps the hose exterior cooler than standard flexible layered ducting during operation.

🎯
Form-Holding Flexible Design

Bends and holds its position so you can direct heat precisely at target zones without repositioning or the hose losing its shape.

📏
Expands 4x — 2.3 ft to 8 ft

Compresses to a compact 2.3 feet for storage and expands to a full 8 feet when you need extended reach inside or around your grow space.

🔒
Counter-Clockwise Locking Thread

Aligns and threads counter-clockwise onto the Thermoforge exhaust port for a firm, airtight seal that prevents heat loss and air leaks.

⚠️
Exhaust-Port Only — Not for Intake

Designed solely for the exhaust side of Thermoforge S7 and T7 units. Intake ports on these heaters require standard flexible 4" layered ducting.

What's Included

  • AC Infinity AC-DTH4-8 Thermal-Resistant Hose (8 ft extended / 2.3 ft compressed)

Warranty

Please refer to the manufacturer's documentation or contact the seller for warranty terms applicable to the AC Infinity AC-DTH4-8 hose accessory.

FAQ

Which heaters is the AC-DTH4-8 compatible with?+

The AC Infinity AC-DTH4-8 is designed exclusively for use with the Thermoforge S7 and T7 heaters. It is not a universal ducting accessory and is not guaranteed to fit or seal correctly on other heater models.

Can I use this hose on the intake port of my Thermoforge heater?+

No — the AC Infinity AC-DTH4-8 is designed specifically for the exhaust port only. The intake ports on the Thermoforge S7 and T7 are engineered to work with standard flexible 4" layered ducting, not this hose.

How do I attach the hose to my Thermoforge heater?+

Align the AC Infinity AC-DTH4-8 fitting with the exhaust port on the Thermoforge S7 or T7 and rotate it counter-clockwise to thread it into place. This locking direction creates an airtight seal that resists loosening and prevents air leaks during operation.

Why is the exterior of this hose cooler than regular ducting?+

The AC Infinity AC-DTH4-8 is made from thermal-resistant polypropylene, a material that does not transfer heat through its walls as readily as standard flexible layered ducting. This means more heat travels through the hose to your grow space rather than radiating outward.

How long does the hose extend, and how compact is it when stored?+

The AC Infinity AC-DTH4-8 compresses down to approximately 2.3 feet for easy storage and extends up to a full 8 feet when deployed — roughly four times its compact length. This makes it easy to store between uses and flexible enough to reach across most grow tent configurations.

Can I bend the hose to aim heat at a specific area in my grow tent?+

Yes. The AC Infinity AC-DTH4-8 is built to be both flexible and form-holding, meaning you can bend or shape it in a direction and it will maintain that position without springing back. This lets you direct warm air toward specific plant zones or cold spots without needing additional fixtures.

Is this hose a replacement part or sold as part of a kit?+

The AC Infinity AC-DTH4-8 is sold individually as a standalone accessory or replacement part for Thermoforge S7 and T7 heaters. It is ideal if your original hose needs replacement or if you want an additional hose for a second ducting run.

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Questions About This Product?

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