kütteseadmest
Kütteseadmest is an Estonian grammatical form, specifically the elative singular of the noun kütteseade, meaning a heating device. The elative case denotes origin or source, so kütteseadmest translates roughly as “from the heating device.”
Kütteseade is a compound of küte (heating) and seade (device). In Estonian, the elative is formed by
Examples illustrate its use: “Kütteseadmest tulnud soe õhk täitis ruumi.” (Warm air coming from the heating device