The CFX and CF from Boundless Vape Technologies burst onto the market in February 2016.

The Boundless CFX is a hybrid convection/conduction heated unit that offers some pretty damned cool features. It heats up crazy fast and does a great job at accurately holding those temps.

The CFX is easily modified, making the vaporizer customizable and tweakable to maximize performance.

Going into 2024 the Boundless CFX is still a decent vaporizer but no longer one of the top picks in the budget class. The Boundless CFX is no longer listed on my Best Portable Vapes page as it’s been replaced by the PotV Lobo – a cheaper vape with nicer vapor and better features.

Build Quality

Pretty much everything here is plastic, but it’s solid and doesn’t feel cheap or flimsy. The body of the unit is rubberized. It’s soft and smooth, but also grippy. I like the feel of the surface, and the textured pattern is oddly pleasing. The Mouthpiece and cooling unit are a softer, medical-grade plastic.  The screen and buttons feel great. They’re well-placed and ergonomic. Everything feels durable and dependable.

Interface –  Click the power button 5 times to turn off/on.  Tap the up/down arrows to set your temp.  It’s simple and easy to use. Hold the button for 3 seconds and restart the heat after it sleeps.  I love the temperature display on the screen. It’s bright without being obnoxious. The count UP session timer is also awesome, and very useful for fine-tuning the entire session experience.

Heat Time & Temperature Tolerance

The CFX heats up fast. Very fast. 18 seconds to 360. The first minute or so of usage will be mostly convection. The interior of the bowl isn’t hot at the session start, but by the session end, the bowl temp is typically within 10 degrees of the set temperature. I’ve noticed the chamber also dissipates heat quickly, which is nice if you like to unload and reload immediately after a session.

Vapor Quality

This is where the CFX shines. The vapor from the CFX tastes great. I’ve been running 5-minute sessions at 360F. The first minute will be more convection than conduction. The flavor is GREAT here, this is the temperature range where you can taste the strain. As the chamber heats up, the flavors deepen and become bolder as the clouds become denser. Towards the end of the session, the vapor is pretty hot, but it still has flavor. I usually let it cool down for 10 minutes and hit it for round 2. If I’m using an Indica, I’ll bump up the round two temp to 385 or even 400 (depending on the strain and how dry the cannabis is.) Even at higher temps, it vapes evenly and produces a great-tasting vapor. At 410 the CFX will produce dense, hard-hitting clouds. While using the WPA, this will milk up a water pipe.

The draw resistance is higher than I prefer, but it’s not the worst. If you try forcing your draws too hard, you’ll clog the screens and make it worse. Just pull nice and easy, right at the resistance level and the vapor is perfect. Do the screen mods – it lowers the draw resistance, improves vapor quality, captures CLEAN reclaim (free dabs), and makes regular maintenance easier.

Cleaning & Maintenance

This thing stays relatively clean – even without the full bucket mod. The plastic/silicon ring above the ceramic heating chamber tends to pick up the most crud, but brushing it or blowing in it will quickly clear it up. I wipe the oven and screens down with an ISO Q-tip once every week. Even with heavy usage so far, there is no discoloration or residue that I cannot remove. The cooling unit pops apart for easy cleaning. The medical-grade plastic ISO is safe, but soaking for long periods isn’t recommended. So far routine cleaning hasn’t been an issue.  Unloading a cooked bowl is simple. If it doesn’t tap out, a poke or two with a stirrer usually loosens everything.

Stoner Loading Test – We got many people together and hit the CFX pretty hard. I picked the highest people in the circle and made them unload and reload the CFX. Even without any of the screen mods, stoners who had never loaded the CFX had absolutely no issues doing so. The Stoner loading test passed.

Final Thoughts

In 2024 the CFX is an OK budget vape. It has nice features and produces decent vapor. If you’re looking for the best portable vape without crossing the $200 mark, this was the one to get in 2018. Nowadays the CFX is several years old and there are better dry herb vaporizers.