Man in powered wheelchair using Theodoor to enter through a door

Theodoor automates any door, affordably, for increased independence at home

DIY installation without power tools or wiring in under 20 minutes

Patent-pending technology

Why Theodoor?

Plug and Play Installation

No drilling. No electrician. No door or frame modifications. DIY installation in under 20 minutes.

Designed for Any Swing Door

Works with wood, glass, or metal doors, residential or commercial. No special frames or retrofits required.

Smart Building Integrations

Compatible with key fobs, wall buttons, and smart home platforms

Cost Effective

The total cost of Theodoor, including installation costs, is typically a third of common alternatives

Who is Theodoor For?

Wheelchair Users

Effortless Home Access

Veterans & VA Programs

Purchase with VA Assistance

Aging in Place

Independent Living at Home

Caregivers & Family Members

Support Loved Ones Safely

Rehab Patients

Easier Home Transition

Smart Building Owners

Seamless Building Automation

Testimonials

"Theodoor is going to be a game changer for folks who desire safety and ease of access into and out of their home"

Dena Wilkie - Occupational Therapist, Owner of Home and Able

"Theodoor is amazing! With this small, affordable automatic door opener, I can now get into my condo hands-free"

Topher Downham - Wheelchair User

"We are excited that Theodoor will not only offer a low-cost accessible option, but also that it will be loanable through our INDATA Loan Library Program."

Josh Anderson - Director of Assistive Technology at Easterseals Crossroads

How It Works

Install with 3 steps in less than 20 minutes

1

Mount System

Theodoor clamps to the door base & the latch attachment connects using existing door screws

2

Plug In

Route the wire along a wall and plug into a standard outlet

3

Configure Controls

Control via fob, app, or smart home bridge

✔️ No drilling
✔️ No new holes
✔️ Easily removable

Stay Updated

We'll keep you updated about the pilot program and product launch

About Doorbotics

Our mission is to remove barriers in the home. Millions struggle opening doors due to mobility or hand-grip challenges. Theodoor is a simple-install retrofit that unlatches and opens most doors to bring affordable independence to all.

Company History

2021

Began developing early prototypes of robotic assistive technology systems under the name Prehensile Technologies

2022

Won $1.3M first place prize in DOT's Inclusive Design Challenge for our Automated Driving System-Dedicated Vehicle

2023

Began the development of the Theodoor system

2024

Filed two patents based on the novel technology behind the Theodoor system

2025

Received a grant from the Department of Veterans Affairs to support deployment of the Theodoor for disabled veterans

Meet the Team

Dr. Bradley Duerstock

Dr. Bradley Duerstock

Founder and CEO

Professor of Biomedical and Industrial Engineering Practice at Purdue. Power wheelchair user and assistive technology expert.

Dr. Jeff Ackerman

Dr. Jeff Ackerman

Founder and CTO

PhD in Mechanical Engineering from Purdue. 10 years of mechanical and mechatronic human-centered design. Teaches at the Colorado School of Mines.

Sevy Swift

Sevy Swift

COO

Mechanical Engineering graduate from Colorado School of Mines. Six years of hands-on robotics experience and scaling technology at early-stage startups.

Nathan Johnson

Nathan Johnson

Head of Strategic Initiatives

Deep experience in operations, business development, and strategy, Co-founded and oversaw growth in startups and led initiatives in large organizations.

Phillip Bell

Phillip Bell

Advisor

COO WHIN. Ex-GM at BraunAbility. Cornell MBA. Scaling & channel expertise

Jason Tennenhouse

Jason Tennenhouse

Advisor

Award Winning Designer. Ex-Google. Ex-Obama White House. 6x founder. 500+ Ventures.

Contact

Have a question or want to work with us? Please get in touch using the email below!