Correct

暖融融

/ nuǎnróngróng / 
Strokes

Definition

comfortably warm/cozy

Example

As an Adjective

warm, cosy and comfortable

1
Wǒmen
我们
jiā
家
yǒu
有
nuǎnqì
暖气
  
,
dōngtiān
冬天
nuǎnróngróng
暖融融
de
的
  
。

With central heating, our house is nice and warm in winter.