温風 おんぷう暖房 だんぼう じゃなかったです
ompu udan bōkijanakattadesu

Noun
Desu Copula

The polite, past negative form of 温風暖房機

1. Wasn't a warm-air heater.; Wasn't a hot-air heater.

Past/Perfective
Negative
Polite
Casual Register