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Aims: We probe the radiatively-efficient, hot wind feedback mode in twonearby luminous unobscured (type 1) AGN from the Close AGN Reference Survey(CARS), which show intriguing kpc-scale arc-like features of extended [OIII]ionized gas as mapped with VLT-MUSE. We aimed to detect hot gas bubbles thatwould indicate the existence of powerful, galaxy-scale outflows in our targets,HE 0227-0931 and HE 0351+0240, from deep (200 ks) Chandra observations.Methods: By measuring the spatial and spectral properties of the extended X-rayemission and comparing with the sub kpc-scale IFU data, we are able toconstrain feedback scenarios and directly test if the ionized gas is due to ashocked wind. Results: No extended hot gas emission on kpc-scales was detected.Unless the ambient medium density is low ($n_{H}\sim~1$ cm$^{-3}$ at 100 pc),the inferred upper limits on the extended X-ray luminosities are well belowwhat is expected from theoretical models at matching AGN luminosities.Conclusions: We conclude that the highly-ionized gas structures on kpc scalesare not inflated by a hot outflow in either target, and instead are likelycaused by photo-ionization of pre-existing gas streams of different origins.Our non-detections suggest that extended X-ray emission from an AGN-driven windis not universal, and may lead to conflicts with current theoreticalpredictions.

The Close AGN Reference Survey (CARS): No evidence of galaxy-scale hot outflows in two nearby AGN