superinsulated
/ˌsupərˈɪnsəˌleɪtɪd/
adjective
- Having very high levels of insulation, especially to save energy in buildings.
- Superinsulated windows help keep the indoor temperature steady year-round.
- The superinsulated house stayed warm all winter with very little heating.
- They built a superinsulated cabin in the mountains to reduce energy costs.
Antonyms