Greentank’s Origin Story: How Two Brothers Set Out to Fix the Vape Hardware Problem

Greentank’s Origin Story: How Two Brothers Set Out to Fix the Vape Hardware Problem

Promotional graphic for Greentank's 2026 product lineup of cannabis vapes. The image features a light gray background with the text 'ALL NEW 2026 PRODUCT LINEUP' in blue and dark blue at the top left. At the bottom left, the Greentank logo and name are displayed. The lower-right section showcases seven colorful vape devices in yellow, blue, green, and orange, some with transparent designs revealing internal components and digital displays showing '100

If you’ve spent more than five minutes in the cannabis vape space, you already know the dirty little secret: most vape hardware isn’t built with the plant or the consumer in mind.

For years, brands have been forced to choose between mediocre off-the-shelf devices or endless troubleshooting with manufacturers halfway around the world. Clogged cartridges, inconsistent heating, poor flavor retention, questionable materials… the list goes on.

It’s a problem that has frustrated extractors, brands, retailers, and consumers alike. And it’s exactly the problem Corey and Dustin Koffler set out to solve when they founded Greentank.

What started as a mission to build better vape hardware has since grown into a North American powerhouse responsible for 500+ successful vape brand launches and millions of devices used by consumers across the United States, Canada, and international markets in the UK, Australia, and South Africa.

But the real story isn’t just about growth. It’s about engineering cannabis hardware the right way.

From Market Frustration to Industry Innovation

Back when the legal cannabis vape market was still finding its footing, most hardware companies were essentially repackaging generic devices.

That approach created predictable problems:

  • inconsistent performance
  • poor flavor delivery
  • reliability issues
  • limited customization
  • safety concerns

The Koffler brothers saw an opportunity. Instead of treating vape hardware like a commodity, they treated it like what it actually is: a piece of precision engineering responsible for delivering one of the most refined cannabis experiences available. So they built Greentank around three simple priorities: Quality. Safety. User Satisfaction.

Every device the company produces is designed with those pillars in mind. Today, Greentank employs 100+ engineers, designers, material scientists, and vape specialists across North America and overseas, all focused on building hardware that cannabis brands can trust.

That philosophy has earned Greentank some serious recognition along the way, including:

  • Red Dot Design Award
  • Independent’s Vape Tank of the Year
  • Single-Use Vaporizer of the Year

But awards only matter if the products deliver. And Greentank’s current lineup proves they do.

GT Palm Pro: The All-In-One That Brands Actually Want

Let’s start with one of Greentank’s most exciting recent releases.

The GT Palm Pro is designed to solve one of the biggest headaches brands face: creating a premium disposable experience that consumers actually trust. The device combines sleek design with high-performance internals, delivering consistent vapor production and flavor while maintaining the reliability brands demand at scale.

What sets the Palm Pro apart isn’t just aesthetics, although the device certainly looks the part. It’s the engineering behind it. Greentank designed the Palm Pro to:

  • maximize extract flavor
  • deliver consistent vapor production
  • reduce clogging issues
  • put control in users’ hands

For cannabis brands competing in today’s saturated vape category, those details matter. Because when a consumer’s first experience with your product involves a clogged device, they’re not blaming the hardware manufacturer. They’re blaming your brand. That’s why companies working with Greentank prioritize reliability.

GT Fuse: The Vape that Changes Flavor

The GT Fuse represents Greentank’s commitment to pushing innovation forward.

Built with dual-chamber technology, the GT Fuse has two 1ml reservoirs where a brand can mix and match flavor profiles. Creating an ultra-unique experience in which consumers can switch flavors on the go, or fuse them together for something brand new. 

Because in a market where flavor and experience are everything, the GT Fuse allows a brand to curate not 1, not 2, but 3 unique flavors all in one vape device. For extractors who spend months dialing in formulations and flavors, this device unlocks a whole new world of opportunity to capture market share.

GT A20 Max: Reliability at Scale

If the Palm Pro and Fuse highlight Greentank’s innovation, the GT A20 Max represents their mastery of reliability.

Designed for brands operating at serious volume, the A20 Max delivers dependable performance across large production runs while maintaining the flavor and consistency consumers expect.

Key benefits include:

  • stable heating performance
  • smooth airflow design
  • durable construction
  • compatibility with high-viscosity extracts

For operators scaling distribution across multiple states, reliability isn’t optional. It’s essential. A device failure rate of even a few percentage points can translate into thousands of unhappy consumers and expensive product returns. Greentank understands that reality. And the A20 Max was built specifically to address it.

Why Hardware Matters More Than Ever

The cannabis vape market has matured rapidly over the past decade. Consumers are more educated. Extract quality is higher. Expectations are rising. But one thing hasn’t changed: hardware still determines the final experience.

You can produce the best extract in the world, but if it’s delivered through unreliable hardware, the consumer never gets to experience it. That’s why Greentank works closely with brands to ensure the pairing between extract and hardware is optimized from day one.

Their team of vape specialists helps brands select devices that complement their formulations rather than compromise them. It’s a collaborative approach that has helped hundreds of companies bring better products to market.

Built for Brands That Want to Win

One of Greentank’s biggest differentiators isn’t just engineering. It’s partnership. The company doesn’t simply ship hardware and walk away.

Instead, they work directly with cannabis brands to support:

  • product launches
  • hardware selection
  • formulation compatibility
  • customization and branding

That hands-on support has helped more than 500 vape brands successfully launch products across North America. And that number continues to grow.

What’s Next for Greentank

As the cannabis industry evolves, vape technology will continue to play a critical role in consumer adoption. New extract formats, improved terpene preservation, and increasing safety expectations are pushing hardware manufacturers to innovate faster than ever.

Greentank is positioned squarely at the center of that evolution. From advanced heating systems to next-generation device design, the company continues to invest heavily in research and development.

Because if there’s one thing the Koffler brothers understood from day one, it’s this: great cannabis deserves great hardware. And the brands that understand that will always have an edge.

Learn More About Greentank

Explore Greentank’s hardware lineup and see why hundreds of cannabis brands trust their technology.

GT Palm Pro
https://www.greentanktech.com/product/gt-palm-pro/

GT Fuse
https://www.greentanktech.com/product/gt-fuse/

GT A20 Max
https://www.greentanktech.com/product/gt-a20-max/

Website
https://www.greentanktech.com/


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