Price (USD)
Close callHot Rod
$340
PAX FLOW
$350
Pricing is very close between both devices.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
Hot Rod
Old Head $340
PAX FLOW
PAX Labs $350
Hot Rod and PAX FLOW are both premium / electronic vaporizers, but they target different priorities. Their listed prices are close ($340 vs $350). Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
23
Different Specs
23
Shared Specs
0
Overall Overlap
0%
Shared Traits
A quick snapshot of the specs people usually care about first.
Hot Rod
$340
PAX FLOW
$350
Pricing is very close between both devices.
Hot Rod
Convection
PAX FLOW
Hybrid (conduction + convection)
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
Hot Rod
$340
PAX FLOW
$350
Device Type
Hot Rod
Desktop
PAX FLOW
Portable
Heating Type
Hot Rod
Convection
PAX FLOW
Hybrid (conduction + convection)
Temperature Range
Hot Rod
N/A
PAX FLOW
180°C - 225°C (356°F - 437°F)
Chamber Capacity
Hot Rod
~0.25g
PAX FLOW
0.25g - 0.35g
Battery Type
Hot Rod
N/A
PAX FLOW
Internal
Charging
Hot Rod
N/A
PAX FLOW
USB-C
Power Adjustment
Hot Rod
Single Dial
PAX FLOW
Five petal modes + Bong Mode
Chamber Material
Hot Rod
Titanium
PAX FLOW
Stainless Steel
Brand
Hot Rod
Old Head
PAX FLOW
PAX Labs
Direct comparison of every spec from each device profile.
| Specification | Hot Rod | PAX FLOW |
|---|---|---|
| Price (USD) | $340 | $350 |
| Device Type | Desktop | Portable |
| Heating Type | Convection | Hybrid (conduction + convection) |
| Heat Up Time | — | 30-45 seconds |
| Temperature Range | N/A | 180°C - 225°C (356°F - 437°F) |
| Chamber Capacity | ~0.25g | 0.25g - 0.35g |
| Battery Type | N/A | Internal |
| Battery Capacity | — | 2000mAh (internal) |
| Battery Life | — | 4-6 sessions |
| Charging | N/A | USB-C |
| Charge Time | — | ~20 minutes to 50%, ~40 minutes to full (USB-C) |
| Dimensions | — | 107mm x 34.5mm x 29mm |
| Weight | — | 135 grams |
| Power Adjustment | Single Dial | Five petal modes + Bong Mode |
| Chamber Material | Titanium | Stainless Steel |
| Brand | Old Head | PAX Labs |
| Adjustable Airflow | — | No |
| Power Adapter | AC Power | — |
| Power Usage | 18W (peak 60W) | — |
| Release Date | 2021 | 2025 |
| Session Style | — | Session |
| Session Timer | — | 8 minutes |
| Warranty | — | 2 years |
The biggest practical difference is form factor: these aren't the same kind of device. Hot Rod is a desktop, PAX FLOW is a portable. Pick based on whether you want something portable or something stationary.
Hot Rod uses convection heating, while the PAX FLOW uses hybrid (conduction + convection). Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
PAX FLOW has the larger chamber at 0.25g - 0.35g, versus ~0.25g on the Hot Rod. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
PAX FLOW is the take-anywhere choice. It's a portable, battery-powered unit, while the Hot Rod is built for home use, where bigger heaters, AC power, and larger chambers make sense.
Listed prices are close: $340 for the Hot Rod versus $350 for the PAX FLOW. Day-to-day price will likely come down to whichever retailer is running a promotion.
Hot Rod controls heat with single dial, while the PAX FLOW uses five petal modes + bong mode. Both let you change temperature, just with different levels of precision.
PAX FLOW is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the Hot Rod is more conspicuous in hand and harder to keep out of sight.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.