First of all, I would like to thank Jessica for her stay and her comment, it was a pleasure to welcome her in the family home.
Moreover, I want to give some details following the comment of Jessica:
Regarding the heating system, it is true that there is only one system but you should know that it is very powerful and able to heat the whole house. There were also several winter blankets for those who may be cold.
I can understand that Jessica was cold that night, it can happen, but if she had informed me of that I would have intervened to provide an additional heater and more blankets at no extra charge of course.
Regarding the shower I confirm that the water is hot even very hot and not lukewarm after verification of a professional.
Thanks anyway to Jessica for telling me about these things. I always stay attentive and listen to my travelers to meet their expectations and satisfy their needs.