Can air conditioning units also heat a room?

We're converting the garage and wondering would a wall-mounted air conditioning unit work as the main heat source in winter as well as cooling in summer?

Asked by Carol on 6th Apr 2026
Expert Trade Answers
"Yes they are hate pump systems they cool and heat very efficiently"
Answered on 6th Apr 2026 - Member since Sep 2024 - report
"Yes, it will be efficient if you have good insulation."
Answered on 6th Apr 2026 - Member since Jul 2025 - report
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