Verbseoul.
하다 verb (adj)
훈훈하다hunhunhadato be comfortably warm

To say to be comfortably warm politely in the present tense, use 훈훈해요 (hoon-hoon-hae-yoh). Below is the full conjugation of 훈훈하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
훈훈해
hoon-hoon-hae
훈훈해요
hoon-hoon-hae-yoh
훈훈합니다
hoon-hoon-hahm-nee-dah
Past
훈훈했어
hoon-hoon-hae-ssuh
훈훈했어요
hoon-hoon-hae-ssuh-yoh
훈훈했습니다
hoon-hoon-hae-sseum-nee-dah
Future
훈훈할 거야
hoon-hoon-hahl- -guh-yah
훈훈할 거예요
hoon-hoon-hahl- -guh-yae-yoh
훈훈할 겁니다
hoon-hoon-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
훈훈하세요
hoon-hoon-hah-sae-yoh
Suggestion / Let's Polite (요)
훈훈해요
hoon-hoon-hae-yoh
Question Polite (요)
훈훈해요?
hoon-hoon-hae-yoh-?
Connective “and” — (고)
훈훈하고
hoon-hoon-hah-goh
Conditional “if” — (면)
훈훈하면
hoon-hoon-hah-myuhn
Noun form — (기)
훈훈함
hoon-hoon-hahm