Contest

I Built a 3D-Printed Ice-Cooled Turbine Fan

E-brella

The Lazy Tzatziki- a Delicious Way to Keep the Kitchen Cool (plus Drinks!)

Easy Jute Fan ☀️

Rotational Jet-Impingement Can Cooler

Heat Sentinel — Your Personal Heat Index Guardian

Retractable Green Shade: a Smart Heat Shelter for Plants

The "Hip-POOF! Breeze Blower" Project: Engineering a Pocket-Sized Hippo to Bite the Heat

HYDR8: a Wearable That Knows When It's Time to Hydrate

DIY Remote Controlled Water Gun Robot

A Living Summer Shelter for Birds : a Self-Refilling Water & Feeding Station

Japanese-Inspired Sensu - Cardboard Handheld Folding Fan

DIY Ice-Powered Personal Air Cooler

Peltier Beverage Cooler

From Pizza Box to 3D Print: I Built a Fan System That Ends Backpack Back-Sweat

TerraCool — Natural Cooling Through Terracotta

Ice Cream in a Bag

HeatDebt: a Cumulative Heat Exposure Tracker

Flavored Ice for a Hot Day

AeroTerra Smart Cooling System

Oscillating Desk Fan From CPU Cooler

Rubber Band Powered Air Conditioner

Ruby Rose Cooler : a Homemade Summer Drink Made With Rose Petals & Beetroot

Don't Bake Cookies in Your Car (Car ≠ Oven)

How to Make Cool Spoon at Home

100% Analog Automatic Sunshade and Climate Ventilation

Granizado De Limón

Pontoon Boat on a Bike: the Dogmaran 2.0

Removable Window Blinds to Protect You From the Heat

I'm a Big FAN of Your HAT

A Ventilated Playhouse

MatkaCool – the 5000-Year-Old Air Conditioner, Rebooted

My Metal Roof Reached 70.8°C — How I Beat the Heat Without AC

Cool Collar

3D Printed Fan - Optimized for Heat Transfer

Rainbow Feathered Fan

Beat the Heat: DIY Catamaran Using 2 Paddleboards (Easy Assembly, No Welding)

Micro:bit No-code Summer Hand Fan

3D Printed Micro Swamp Cooler

How to Make a Smoothie Bowl | Pick Your Flavors!

Chill Quad Personal Cooling Station Escape the Heat

3D-Printed Smart Fun Hard Hat Fan Interactive Microbit AI Controlled With Arduino Nano and Temperature Sensor DHT11

Window Sun Heat Potection Screens

Cold Take: a Raspberry Pi That Notifies You the Moment Your Water Peaks in Coldness

Mini Portable Solar Powered Fan

Aam Panna: a Traditional Mango Cooler

Reusable Water Balloons

“3 INDIAN SUMMER COOLERS”

Climate Friendly Room Cooling

Portable Cooling Mister & Bonus Stationary Pet Version (2 Different Options)

Mulberry-Cream Smoothie

Diy Fan

Gazebo With Natural Cool Air

AeroWear : Don't Carry the Fan. Wear It

A Scoop of Summer: Mango Sorbet

DIY Water Balloon Launcher

SleeveVent : a Passive Cooling Vent for Bikers

Hydrosleeve : Your Eco Cooler

ESP32 Air Conditioner Control Module

Summer Mini Cooler