What's better Air Jets vs. Hydro Jets?

Inflatable spas are no longer a luxury reserved for hotels and health clubs. These days, they’re popping up in gardens all across the UK—offering a slice of relaxation without the eye-watering price tag.

But here’s the catch: not all inflatable spas are created equal. The biggest decision you’ll face is choosing between air jet and hydro jet systems. They might sound similar, but the experience they deliver couldn’t be more different.

So, which one is right for you? Let’s dive in.

What is an Air Jet System?

Think of an air jet system as the bubbly personality of the spa world. Instead of blasting water, it pushes compressed air through tiny jets around the tub.

The result? Thousands of fizzy bubbles dancing around you. It’s often described as a “champagne bubble” massage—gentle, relaxing, and perfect for unwinding at the end of a long day.

It’s not about deep muscle relief, but about floating away in soothing comfort.

Key Characteristics:

• Soft, effervescent massage

• Jets placed around the perimeter

• Creates thousands of bubbles

• Often paired with an inline heater to keep things cosy

What is a Hydro Jet System?

Hydro jets, on the other hand, are the power players. Instead of bubbles, they use a pump to push water (mixed with air) through adjustable nozzles.

This creates strong, targeted streams that feel more like a deep-tissue massage than a gentle soak. If you’ve ever had aching legs after a long run or sore shoulders after lugging the weekly shop, you’ll know how good this feels.

Hydro jets are about relief, recovery, and a bit of spa-style luxury at home.

Key Characteristics:

• Deep, targeted massage

• Adjustable direction and pressure

• Fewer jets but more intensity

• Can hold residual water in plumbing, which needs cleaning

Key Differences and Comparison: Which is Right for You?

Massage Experience and Therapeutic Benefits

• Air Jet: Best for a gentle, all-over massage. Great if you’re looking for pure relaxation.

• Hydro Jet: Ideal for sore muscles, sports recovery, or anyone craving a more intense massage.

• HydroJet Pro (hybrid): A “best of both worlds” option that combines fizzing bubbles with water power.

Maintenance and Cleaning

Air jet systems are fairly low-maintenance. Once you’ve drained the spa, simply run the air blower and it clears out leftover water.

Hydro jets, however, are a little fussier. Because water can linger in the plumbing, they need more regular cleaning to stop bacteria or mould from building up. Special cleaning solutions are often recommended.

Cost and Installation

Here’s where many people make their decision.

• Air Jet: Budget-friendly, easier to set up, and less to worry about.

• Hydro Jet: Pricier, thanks to pumps and plumbing, but you’re paying for that stronger, therapeutic massage.

Making Your Decision: Considerations and Recommendations

Who Should Choose an Air Jet System?

• Anyone who loves the idea of sinking into a bubbly, relaxing soak.

• People who don’t want to fuss with maintenance.

• Those keeping an eye on the budget.

Who Should Choose a Hydro Jet System?

• Athletes or anyone with regular muscle aches and pains.

• People who prefer a strong, targeted massage.

• Users who like adjusting jets to focus on problem areas.

A Note on Inflatable Tubs

Most inflatable spas on the market use air jet systems, simply because they’re lighter, cheaper, and easier to set up.

That said, some premium inflatables now feature hybrid systems or basic hydro jets for those who want a bit more power.

Final Verdict: It Comes Down to Preference

So, what’s the short answer? Air jets are best for a soothing, budget-friendly soak, while hydro jets are perfect if you’re chasing muscle relief and a spa-like massage.

It really depends on your lifestyle. Do you want gentle bubbles after the kids are in bed, or a powerful massage to tackle sore muscles? Whatever you choose, an inflatable spa is your ticket to a little slice of relaxation—without leaving your back garden.

Have you checked out our other posts?

Which Inflatable Spa Is Best?

What Is The Best Inflatable Spa For The Money?

What Is The Most Reliable Hot Tub?

Are Inflatable Spas Worth It In The UK?

Are Round Or Square Inflatable Hot Tubs Better?

Are Inflatable Spas Any Good?