Questions?

Start your home expansion or remodeling project with Namu Housing. We don’t just expand, we also upgrade. Upgrade your home with our unique hydronic heating/cooling systems. Ready to make it stand out? Get in touch with us!

Namu Housing & Floor Heating, Div. of ThreeNa Inc.

Official Dealer of Hoya Ondol in S. Korea (www.hoyaondol.com)

Tel: 650 815 1678, Anthony Y. Seo

threena.namu@gmail.com