The first portable air conditioner under 8 lbs that delivers 30+ degrees of cooling for 3+ hours.
Patented technology. Production-ready. Available for licensing.
Portable cooling has always meant a tradeoff
Existing products are too heavy to carry, too weak to feel, or dead in minutes. Whether pushing a stroller through a July farmers market, sitting through a Little League doubleheader, or working a job site in Phoenix — the choice has always been between comfort and mobility.Totable AC™ changes that. Our patented heat exchanger delivers 30+ degrees of cooling for 3+ hours, in a unit that weighs under 8 pounds and fits in a stroller basket. The integrated hose doubles as a shoulder strap — toss it over your shoulder and go.Totally totable. Totally cool.
Fill
Fill the aluminum inserts with water. Freeze overnight. Drop them in.
Snap
Insert the aluminum inserts and the lid. Toss the strap over your shoulder. You're done.
Chill
Cold air flows through the integrated hose for hours. Feel it from 3 feet away.
Patented heat exchange technology

Most portable coolers blow air over a bag of ice and call it a day. Totable AC is different.Inside the unit, interlocking aluminum containers are arranged in a zigzag path that forces air through tight, curving channels. This does two things: it maximizes the surface area where heat transfers from air to aluminum, and it creates turbulent airflow so that all of the air — not just the layer touching the metal — gives up its heat.The aluminum containers themselves hold the water, so there's no wasted space between the cooling material and the heat exchange surface. And because the water is frozen solid, it stores far more thermal energy than liquid water or ice cubes ever could — that's what makes 3+ hours of real cooling possible in a unit this size.
Independently estimated production costs under $20/unit
This isn't a prototype — it's a production-ready product with full 3D CAD files.
Families
Fits in most stroller baskets. Perfect for theme parks, farmers markets, zoo trips, sports sidelines — anywhere little ones need relief from the heat.
Laborers
Construction sites, warehouses, outdoor events. Break station cooling that's truly portable.
Campers
From camping and tailgating to hunting blinds and fishing boats. Cold air that goes where coolers can't.
Pet Lovers
Kennel cooling for sporting dogs, show dogs, and travel. Attaches to any crate or carrier.
U.S. Patent Allowed — Application No. 17/527,329 Approved by the USPTO, March 2026. Patent issuance in progress.
Designed & engineered in the USA | Production-ready with full 3D CAD


How It Started
What started as a DIY experiment soldering copper tubing on my front porch and cutting apart six-pack coolers became a 4-year journey through industrial design, patent prosecution, and prototype manufacturing.
I'm Ryan Cramer — an attorney, tinkerer, and dad to two daughters in Colorado. When my wife was pregnant with our first, I realized we were about to spend every summer housebound. I went looking for a stroller air conditioner. It didn't exist. So I gave myself a $500 budget, spent a Saturday at Home Depot, and built one. It didn't work. So I built it again... And then again.The third one worked, and every time I took my kid for a walk, someone stopped me to ask where they could buy one.
The result is the first portable AC that actually works the way you'd want it to: fill it, freeze it, carry it, feel it.
Totable AC is available for licensing. Whether you're a manufacturer, brand, or distributor — if you see this fitting into your product line, I'd love to hear from you.