Strongly suggest looking into Guide T120 PC210 (resolution 256x192) see this eevblog review:
https://www.eevblog.com/forum/thermal-imaging/guide-pc210-re...
It can save JPG with temperature info, and also stream video to PC. I got it last year from AliExpress for around 299-350 USD and prefer it over the more expensive FLIR TG267.