For work vans, trucks and tractor-trailers

Your defroster clears the glass. Wiperthaw aims it at the wipers.

A passive dashboard duct designed to direct existing defroster air toward parked windshield wipers. No extra heater, cord or wiring.

Request an order quoteSee how Wiperthaw works
Uses existing defroster airNo separate heating elementNo added wiring
Product animation
The cold-start problem

Clear glass. Frozen wipers.

The windshield starts clearing, but the blades can stay frozen at the bottom edge. For drivers, that means another round of lifting, scraping or waiting before the day can begin.

Work vansOne more step before the first stop of the day, repeated across every van in the lot.
TrucksOutdoor parking, large windshields and frozen blades to deal with before the first job.
Tractor-trailersPre-trip already takes long enough. A powered accessory adds one more thing to install and maintain.
How it works

Use the heat the vehicle already makes.

Wiperthaw sits over the dashboard defroster outlets and turns part of the airflow toward the wiper park zone.

Illustrative comparison: without Wiperthaw, air points toward a thawing patch in the middle of the windshield while the wiper area remains frosty. With Wiperthaw, airflow and the illustrated thawing band are directed toward the parked wipers at the windshield base.
From this: without Wiperthaw. Airflow and the illustrated thawing patch are in the middle of the windshield, above the frosty wiper area.To this: with Wiperthaw. The diverter aims airflow toward the parked wipers, with an illustrated thawing band at the base of the windshield.
Same defroster. A different direction.Wiperthaw is designed to redirect existing defroster air toward the wiper park zone. Illustrative airflow comparison, not measured performance. Vehicle airflow, fit and results vary. View full-size comparison.
01 · POSITION

Set it over the defroster outlets

The molded duct follows the dashboard and takes in defroster air through an opening in its base.

02 · REDIRECT

Turn the airflow toward the blades

The internal channel carries warm air forward and out toward the lower windshield.

03 · WARM UP

Run the defroster like normal

No second heater, adapter, wiring harness or power source.

Passive airflowRedirects heat the cab is already producing.
No electrical installNothing to wire, fuse or charge.
Fit reviewed per vehicleEvery request is checked against the dashboard and outlet layout.
See how it works

From dashboard air to the wiper park zone.

See how Wiperthaw is designed to take in air from the dashboard defroster and direct it toward the parked blades. No separate heater or electrical installation.

A closer look at WiperthawAnimation illustrates placement and airflow; melting shown is not measured performance.
Where it belongs

Built for vehicles that park outside and start early.

Whether you run one work truck or a yard full of vans, start with the vehicles you use. Share your makes, models and quantities to request a quote for your application.

Work vans

Service, delivery and utility vans that leave the yard at the same time every day.

Medium and heavy trucks

For commercial trucks facing cold starts in the yard and on the job.

Tractor-trailers

For owner-operators and fleets planning for cold starts and outdoor parking.

Start with the right fit. Dashboard shape, outlet position, sight lines and airbag zones vary. Every request starts with the year, make and model.
Compared with the usual fixes

Most winter fixes add a chore or add hardware.

ApproachWhat it requiresHow it handles parked wipers
Windshield coverPut it on, take it off, store itKeeps ice off the blades if it went on before the weather
Scraper / de-icerManual work at every cold startBreaks or loosens ice that is already there
Heated blades / glass gridPowered parts and an electrical installAdds a separate heat source
WiperthawSet it on a compatible dashboardRedirects defroster air the vehicle is already producing

Compare installation and everyday use. Vehicle compatibility and results depend on the application and operating conditions.

Vehicle compatibility

The right fit starts with your dashboard.

Share a few details with your quote request so fit can be reviewed for the vehicles you run.

Your vehicleYear, make and modelList each vehicle type in your fleet.
Dashboard layoutDefroster outletsOutlet position and dashboard shape determine placement.
PlacementKeep critical areas clearDriver sight lines, airbag zones and primary windshield defrosting must stay unobstructed.
Your orderOne vehicle or a fleetInclude your estimated quantity and any different vehicle models.
Requesting a quote

Start with your vehicles.

Tell us what you drive and how many vehicles you want to equip. Your request starts a conversation about fit, availability and pricing. It does not place an order.

01 · VEHICLES

Tell us what you run

Include the year, make and model of each vehicle type.

02 · QUANTITY

Share your expected quantity

Request information for one vehicle or a mixed fleet.

03 · QUOTE

Discuss your application

Confirm compatibility, availability and pricing before making a purchase decision.

Commercial orders

Tell us what you run.

Get the conversation started with your vehicle details and estimated quantity. Request fit, availability and pricing information for your work van, truck or fleet.

  • Work vans, trucks and tractor-trailers
  • One vehicle or a whole fleet
  • No payment, no commitment

No payment is collected with a quote request. Availability and compatibility must be confirmed before purchase. Your details go to the Wiperthaw team and are used only to reply to you. See the privacy notice.

Common questions

Before you request a quote.

Does Wiperthaw need power?

No. There is no heating element, cord or electrical connection. It redirects air from the defroster the vehicle already has.

Will it fit every vehicle?

No. Dashboard shape, outlet placement, sight lines and airbag zones all vary. That is why we ask for the year, make and model up front.

How do I request pricing for my vehicles?

Use the quote form to share your vehicle year, make, model and estimated quantity. Compatibility, availability and pricing must be confirmed before an order is placed. No payment is required with your request.

Can I request a quote for a mixed fleet?

Yes. Select Mixed fleet and list each vehicle year, make and model, along with the quantities you have in mind.