Unit in Changwon, South Gyeongnam Korea South

Multi-story brick building with large windows, trees around, and a yellow sign with Korean text and contact numbers. - Hoya Ondol Aust
A room with blue walls, wooden floor, a pile of folded bedding, TV, mirror on a table, and an air conditioner above. - Hoya Ondol Aust
An empty room with wooden floor, kitchen area with green cabinets, a patterned wall, and a shower stall. - Hoya Ondol Aust
A bright, empty room featuring a kitchen, fridge, wall-mounted TV, mirror, and wooden flooring. - Hoya Ondol Aust
Person installing black insulating tiles over silver reflective barrier on a floor in a room with large windows. - Hoya Ondol Aust
Person in white gloves installs round black interlocking floor tiles by hand in a room. - Hoya Ondol Aust
Two people are installing a heated floor system in a room, with one person laying pipes on a grid. Hoya Ondol Aust
Two workers installing a heating floor system in a room with black circular patterns on the floor. - Hoya Ondol Aust
Room with gray circular matrix tiles covering the floor, some rolled-up materials are laying on the floor near the windows. - Hoya Ondol Aust
A room with underfloor heating panels being installed, covered partially with protective sheets. - Hoya Ondol Aust
Two individuals, one holding a coil of tubing, installing what appears to be underfloor heating pipes on a black grid floor. - Hoya Ondol Aust
Tiling process showing partially installed dark tiles on a floor, with visible underlayment and doorway. - Hoya Ondol Aust
Tiles being laid on a floor, with partially completed tiling and tools spread around on the unfinished section. - Hoya Ondol Aust
Floor under construction with visible subfloor padding, tiles being laid, and a bundle of materials in the background. - Hoya Ondol Aust
Underfloor heating system installation with pipes laid in a loop pattern on a black grid before flooring is added. - Hoya Ondol Aust
Installation of underfloor heating with white pipes laid out in a zigzag pattern on a gray mat. - Hoya Ondol Aust
Installation of underfloor heating system with white pipes laid out on black panels. Worker seen handling pipes. - Hoya Ondol Aust