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Smart Glass Transformers — Replacement Parts and Specs

Replacement PDLC transformers for switchable smart glass and smart film systems — small, medium, and large sizes compatible with Gauzy, Innovative Glass, and most other brands. Ships anywhere in the US.

Professional PDLC smart film installation in Los Angeles providing switchable privacy film for residential and commercial glass surfaces
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What A Smart Glass Transformer Does

Smart glass transformers are the power supplies that drive PDLC switchable glass and film. The film itself is a passive laminate with no memory and no battery. Apply low-voltage AC across the conductive layers and the liquid crystals align so light passes through; cut the power and they relax into a scattered orientation that turns the panel frosted.

The transformer generates that low-voltage AC from your wall power. It’s the most failure-prone part of the system — when smart glass stops working, the transformer is almost always the cause.

PDLC smart film installation on office glass partition in Southern California

Sizes And Ratings We Stock

We stock and ship smart glass transformers in three sizes:

  • Small (residential single-window) — under 50 sqft of film. Typical use: bedroom window, bathroom mirror, single bay window panel.
  • Medium (standard residential / small commercial) — 50–150 sqft. Typical use: full master suite, conference room glass wall, small storefront.
  • Large (commercial partitions / curtain walls) — 150+ sqft, often parallel-wired. Typical use: full office partitions, curtain walls, large hospitality glass.

Most PDLC films run on AC output in the 60–120V range with input from a standard 120V AC wall supply.

Compatibility

Our smart glass transformers are compatible with:

  • Gauzy smart glass and smart film systems
  • Innovative Glass Liquid Crystal Glass
  • Polytronix PolyVision
  • Most generic Chinese-import PDLC films and panels

Compatibility comes down to AC voltage range and connector type. Most PDLC systems use the same operating voltage band, so a Smart View replacement transformer typically works with any system on standard PDLC voltages — even when the original brand has gone unresponsive.

For a compatibility check, send us a photo of your existing transformer’s spec label and we’ll confirm the right replacement.

How To Identify Your Existing Transformer

The spec label tells us everything we need:

  • Input voltage — usually 120V or 110–240V universal
  • Output voltage — the AC voltage feeding the film, often 60–120V
  • VA rating — total wattage capacity, dictates how much sqft of film the unit can drive
  • Connector style — screw terminals, push-fit, or proprietary plugs

Take a clear photo of the entire transformer including any sticker. Send it to us with the rough sqft of film it powers. We’ll match it to a compatible replacement.

Installation: DIY Or Pro

Replacing a smart glass transformer is straightforward for most installs. The wiring is a 4-step process: turn off wall power, disconnect the old unit, connect the new unit’s terminals to the same wires, and turn power back on. Most homeowners or contractors finish the swap in 30 minutes per unit.

For commercial installs with multi-channel transformers, conduit-routed wiring, or integrated home automation control (Lutron, Savant), bring in an electrician or call us for remote support.

If the system is still failing after a transformer swap, see our smart glass repair page for next-step diagnostics.

Switchable french doors in frosted privacy mode in a Los Angeles residence

What “Smart Glass Transformers” Actually Means

Smart glass transformers are the AC power supply units that drive PDLC switchable glass or film systems — not the glass, not the film, not the wall switch. The transformer is a standalone enclosure (typically a small black or grey box) that lives in a wiring closet, behind a wall plate, in a soffit, or above a drop ceiling near the panel it powers. Larger commercial systems may have multiple transformers wired in parallel.

The transformer is the part most likely to need replacement during the system’s lifetime — the film and glass usually outlive it 2–3 times over.

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Need a smart glass transformer replacement? Send us a photo and the sqft you need to power — we’ll confirm compatibility and ship within 5–7 business days. For more on PDLC, see our PDLC switchable smart glass page, our Gauzy transformer replacement guide, or the Wikipedia smart glass entry.

Glass window

Ordering Smart Glass Transformers

The ordering process:

  1. Photo of existing unit — confirms specs and compatibility
  2. Sqft of connected film — tells us the right size
  3. Shipping address — anywhere in the US
  4. Quote — we send pricing and lead time within 1 business day
  5. Order — ship within 5–7 business days

Small and medium transformers ship faster than large multi-channel commercial units, which sometimes need assembly to spec.

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    Frequently Asked Questions

    Smart film is a switchable privacy film that installs directly onto existing glass. It switches from clear to frosted instantly.

    Switchable smart film typically costs $35 per square foot for the material. Total cost depends on wiring, transformer, and installation.

     

    Yes. When power is ON, smart film is clear. When power is OFF, it turns frosted.

    Yes. Smart tint uses PDLC technology to switch between frosted and clear. It is reliable when the film and installation are high quality.

    Yes. Smart film is designed to install onto existing glass and is one of the fastest ways to upgrade privacy.

    Yes. Most smart film installs are done on the interior side of double-pane glass.

    Yes, but proper sealing and moisture protection are required to prevent edge damage.

    It turns frosted automatically when power is off.

    Yes. Smart film can be controlled by a standard wall switch, remote, or smart control system.

    Yes. Smart film can be connected to smart switches or automation systems for phone control.

    Yes. Smart film can be integrated using smart relays or compatible control systems.

    Yes. In frosted mode, smart film becomes an excellent projector screen for offices and conference rooms.

    Most high-quality smart film lasts around 10+ years depending on environment and installation quality.

    It can scratch if cleaned incorrectly. Use a soft microfiber cloth and alcohol.

    It is better to avoid ammonia-based cleaners. Alcohol its better.

    Most smart film blocks a significant amount of UV, helping reduce fading for furniture and flooring.

    Smart film is mainly for privacy, not heat rejection. For heat reduction, a solar film or low-E glass may be needed.

    Blind glass

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