Is Your Hot Tub Cover a Halloween Horror?

Why EPS foam lids are truly spooky

As the leaves turn and Halloween creeps closer, it’s not just haunted houses and ghastly ghouls that should make you shudder. Sometimes the scariest thing in your backyard is lurking on top of your hot tub.

The Chilling Truth: What Makes Old Hot Tub Covers Downright Frightening

1. The Waterlogged Monster

EPS foam covers absorb moisture over time, becoming swollen and shockingly heavy. Lifting your cover turns into a workout worthy of Frankenstein’s monster. Will you survive the ordeal, or will your back be the next victim?

2. Mold & Mildew: The Creeping Dread

Trapped water breeds mold and mildew, turning your innocent spa lid into a laboratory for spooky spores. They leave a nasty, musty smell that greets you every time you open the tub.

3. Energy Vampires on the Loose

Damaged, warped or soggy foam leaks heat like a punctured cauldron, because wet foam insulates less. Your heater works harder, and your energy bill rises from the grave each month. Why pay to heat a spa if Dracula is siphoning away all your warmth?

4. The Decomposer

EPS foam breaks down in the elements, and most foam covers last only about 3–5 years. Cracks, crumbles and a flaking “snow” of polystyrene make the sight of your cover more tragic than a ghost story. Once it fails, it’s headed for the landfill for good: eco-horror in real life.

Summon the AIRCAP 1™: Your Halloween Hero

With the AIRCAP 1™’s patented, air-filled design, you won’t need garlic, silver bullets or an exorcism to keep your hot tub horror-free.

Light as a Witch’s Broomstick

No more cursed lifting sessions. The AIRCAP 1™ weighs 35–40 lb and stays that way, because its air-filled core never soaks up water, even with daily use and splashes. No supernatural strength required!

Sealed Against Spooky Growth

The drop-stitch core doesn’t absorb water, so there’s no soaked core for mold and mildew to haunt. Breathe deep: the only thing you’ll smell is fresh autumn air.

Banish the Energy Vampires

The insulated air chamber helps hold the heat in. Because the core can’t get wet, it can take less energy to keep your spa hot than a waterlogged foam cover, even when the nights turn frightfully cold. You get all the treats, none of the tricks.

Resists Rot

Engineered for durability, the AIRCAP 1™ is built from heat-welded drop-stitch with coatings that resist UV and spa chemicals. There’s no foam to break down, no flakes in your spa, and far less waste headed for the landfill. It’s designed to last 5–10+ years and is backed by a 3-year limited warranty.

More Treating, Less Tricking

This Halloween, retire your scary old cover before it turns into a true backyard horror show. Send your old cover to the graveyard, and spend more time treating yourself and less time being tricked. The AIRCAP 1™, thrml.’s modern alternative to the foam spa cover, is:

• Clean, light and easy to handle
• Insulated to help keep the heat in
• Built to last, no matter what monsters lurk outside

Ready to banish the foam? The AIRCAP 1™ fits square hot tubs 77″–94″ across the top. Find your size in the Spa Fitter, see all six sizes, or find a showroom near you.

Happy Halloween!