12 Genius Uses for Your Portable Water Heater (Besides a Shower)

Update on Oct. 23, 2025, 7:10 a.m.

So you got a portable water heater. You’re probably picturing a blissful hot shower under the stars after a long hike, and rightfully so. But what if I told you that unassuming box is actually one of the most versatile pieces of gear you now own?

You didn’t just buy an outdoor shower. You bought a problem-solving, experience-enhancing, multi-purpose magic box. It’s time to unlock its hidden potential.

Let’s open up this box of tricks. Here are 12 genius things you probably never thought to do with your portable water heater.


 GASLAND G10 Pro Goshower 2.64GPM Outdoor Propane Tankless Water Heater

1. Supercharge Your Camp Kitchen
Forget heating pots of water just to wash greasy pans. A portable heater gives you an instant hot water tap for rinsing dishes, washing hands, and prepping food safely. It transforms your camp kitchen from a chore station into a functional outdoor culinary space. * Extra Gear: A collapsible sink or bucket. * Genius Level: (Easy and game-changing)

2. Create the Ultimate Mobile Dog Wash
Your dog loves the muddiest trails and the smelliest lakes. You don’t love that smell in your car. Set up your heater right at the trailhead or beach parking lot for a quick, warm rinse-off. A happy, clean dog and a clean car. Win-win. * Extra Gear: A short hose with a gentle spray nozzle. * Genius Level: (Your dog will thank you)

3. Build a Pro-Level Bike & Gear Wash Station
After a muddy ride, blasting your bike’s sensitive components with a high-pressure cold hose is a recipe for disaster. Warm water is far more effective at loosening stubborn grime without the need for extreme pressure. It’s perfect for cleaning bikes, kayaks, and all your muddy gear. * Extra Gear: A soft brush, bike-specific cleaning solution. * Genius Level: (For the serious hobbyist)

4. Become a Tender-Hearted Gardener
In the cooler months, dousing your potted plants or greenhouse seedlings with icy water can shock their root systems. A portable heater allows you to supply lukewarm water, promoting healthier growth and happier plants. * Extra Gear: A watering can or gentle spray wand. * Genius Level: (Next-level plant care)

5. Unlock Your Inner Brewmaster
Homebrewing beer is all about temperature control. A portable heater with an adjustable temperature knob can be a secret weapon for hitting the precise water temperatures needed for mashing and sparging, giving you more consistent and professional results. * Extra Gear: A digital thermometer for precision. * Genius Level: (Requires some brewing knowledge)

6. Set Up an Outdoor Artist’s Studio
Cleaning oil paint brushes can be a messy, solvent-heavy process. Warm water can make cleaning brushes much faster and more effective, especially with water-miscible oils, reducing your need for harsh chemicals and letting you clean up your workspace in the fresh air. * Extra Gear: A slop sink or designated cleaning bucket. * Genius Level: (Unleash your creativity)

7. Assist Your Astronomy Hobby
On a cool, clear night, dew can form on your telescope lens, blurring your view of the cosmos. Advanced astronomers sometimes use gentle heating elements to prevent this. You can create a simple, gentle warming loop with tubing and low-flow warm water to keep your lens clear for hours. * Extra Gear: Thin vinyl tubing, a low-flow pump. * Genius Level: (For the truly dedicated stargazer)

8. Create an Ice-Fisher’s Oasis
Out on the frozen lake, warmth is everything. Use your heater for an endless supply of hot water to make coffee, soup, or hot chocolate. It can even be used to gently melt the ice that forms around the top of your fishing hole. * Extra Gear: A metal pot for heating drinks (do not drink directly from the heater). * Genius Level: (A game-changer for cold-weather sports)

9. Power Your Pop-Up Food Stall
For a farmers’ market stall, a food truck, or a charity bake sale, a portable hot water system is a godsend. It provides a simple, self-contained, and often health-code-compliant solution for handwashing and utensil rinsing. * Extra Gear: Food-grade hoses, a portable handwashing station. * Genius Level: (Small business empowerment)

10. Upgrade Your Poolside Experience
The shock of jumping into a cool pool can be bracing. A simple poolside station with your portable heater allows everyone to have a quick, warm rinse before and after swimming, making the whole experience feel much more luxurious. * Extra Gear: A shower stand or tripod. * Genius Level: (Simple, but feels five-star)

11. Provide Comfort at the Stables
Giving a horse a bath with cold water, especially on a cool day, can be uncomfortable for the animal. A portable heater allows you to provide a gentle, warm wash, which is better for the horse’s muscles and overall mood. * Extra Gear: A long hose and an equine-specific spray nozzle. * Genius Level: (Happy horses, happy life)

12. Host an Outdoor Movie Night Hot Cocoa Bar
Elevate your backyard movie night by setting up a dedicated hot beverage station. Your heater can provide a continuous flow of hot water for instant cocoa, tea, or even hot toddies for the adults. * Extra Gear: An insulated dispenser to hold the hot water. * Genius Level: (You’ll be the host with the most)


 GASLAND G10 Pro Goshower 2.64GPM Outdoor Propane Tankless Water Heater

Your portable water heater is a key that unlocks countless possibilities. So, get creative. The next time you have a problem that a little hot water could solve, remember that you have a solution packed and ready to go. What other genius uses have you found?