AC Flood Guard GraviTrip, home

About AC Flood Guard

Invented by a property manager who kept finding the damage.

Since 2006, our founder's team has inspected seasonal homes across South Florida. Again and again, they found the same costly problems caused by float switch failures.

Read our story For investors & partners
An early AC Flood Guard prototype mounted on an air handler, with the text: Patent number US 11,692,736 and number US 11,320,172.
The patented prototype on an air handler, 2023.

How we got here

It started with weekly inspections.

The first AC Flood Guard prototype: a grey bottle hanger and collection bottle hanging from a chain, connected to the PVC condensate line of an air handler.
Early prototype, June 2023

“My name is Todd Walker, and I own a residential property management company in South Florida. Since 2006, we have managed homes for seasonal residents. We regularly walk into homes for our weekly inspections and discover water damage from the air-conditioning system.

When the A/C condensate drain line is clogged, the water backs up into the A/C unit's drain pan, then the emergency pan, and finally overflows into the home, causing water and mold damage. Today there is a safety float switch at the condensate line and in the emergency pan, wired to the air handler to stop the overflow. Unfortunately, safety float switches can fail.”

Todd Walker, Founder & Inventor

That experience led to a simple question: what if the overflow itself could shut the system off? The answer became a patented, gravity-activated shutoff. When the overflow container fills, its weight physically trips a switch wired to the air handler. That idea is now the AC Flood Guard GraviTrip™.

The problem we solve

How a clogged drain line becomes a flooded home.

  1. The drain line clogs

    Condensate can no longer leave the air handler.

  2. The drain pan fills

    Water backs up into the A/C unit's drain pan.

  3. The emergency pan fills

    The overflow moves into the emergency pan.

  4. Water reaches the home

    The overflow spills into the home, causing water and mold damage.

Float switches are meant to stop this chain, but they can fail, and only 42% of homeowners have a professional service their A/C regularly. GraviTrip adds a supplemental, gravity-activated shutoff on the overflow path.

What we stand for

Stop water damage before it starts.

Prevention over repair

The average flood repair costs $10,000 to $12,000, plus an average $2,500 insurance deductible. Avoiding that stress and expense is the whole point.

Simple, physical, testable

Gravity does the work. Anyone can see whether the bottle holds water, and a technician can test the shutoff in minutes.

Built with professionals

Engineered for HVAC professionals and installed by qualified technicians, with clear instructions, a video and a sign-off checklist.

Milestones

From an inspection problem to a patented product.

Each step was built on what we saw in real homes.

  1. First patent application filed

    Air conditioner shut-off system and method to prevent drainage overflow.

  2. U.S. Patent No. 11,320,172 issued

  3. Second patent application filed

  4. Working prototype

    The prototype is installed on an air handler.

  5. U.S. Patent No. 11,692,736 issued

  6. The GraviTrip™ kit

    A packaged kit with UL Recognized components, a full installation insert, an installation video and a 3-year limited switch warranty.

For investors & partners

A patented answer to a $1.2 billion problem.

Water damage claims total about $13 billion a year, and $1.2 billion of that comes from clogged A/C drain lines. We welcome conversations with investors, HVAC contractors, distributors and property management firms.

issued U.S. patents: 11,320,172 and 11,692,736
2
in water damage claims every year
$13B
in annual water damage claims from clogged A/C drain lines
$1.2B
year the founder's team began managing seasonal homes in South Florida
2006
limited switch warranty on every kit
3 yr

Company at a glance

  • Product: the AC Flood Guard GraviTrip™ gravity-activated condensate overflow shutoff
  • Ready to ship: a packaged kit with an installation insert, an installation video and a warranty
  • Installation: by HVAC technicians and licensed electricians
  • Headquarters: Palm Beach Gardens, Florida

Start a conversation

Tell us about your interest, whether that's investment, distribution, an installation partnership or a property portfolio. We'll follow up with the right materials.

Investor inquiries Partnerships

See the patents

Have a question for our team?

We're happy to talk about the product, installations or partnership opportunities.

Contact us Explore the product