First, sorry to hear that. Most people fall to those headshop vapes, which IMO that includes the pax. It uses old tech that doesn't suit to moderate-heavy users.
Try to pack the bowl pretty tight, and let you pax heat back up between draws, I guess around 30 secs.
See my other comments for recommendations if you want and anyway visit !vaporents@lemmy.beyondcombustion.net and !vaporents@lemmy.world. also fuckcombustion.com is an awesome forum about the field.
Depends on your usage, tolerance and wishes. The devices that I usually recommend to beginners are Xmax v3 pro, airvape legacy pro, xvape Cheeh & Chong's Mambo, mighty/crafty, TM2 or desktop ball vape if you have high tolerance. All of these (except ball vapes) are electric portable vapes, but you have butane based vapes available too like the dynavap and anvil, but it's not my field XD.
Check our !vaporents@lemmy.beyondcombustion.net (currently offline) and !vaporents@lemmy.world. also fuckcombustion.com is an awesome forum about this field.