— Boarding house is one of the vertical dwellings with certain tariffs which are useful as temporary residences, both those who study far from their homes or work in uncertain locations. With ongoing price inflation, the boarding house entrepreneurs will optimize development for their business, one of which will affect the size of the boarding room. Retrieval of data using interview techniques with a sample system. Interviews were conducted so that this study uses an ergonomics approach and product design, so that the products created are suitable and comfortable when used. Ergonomics will be combined with anthropometry, with the aim that the product is created with a very comfortable size and product design is used to help arrange and sort the best product design. The results of data processing get a multifunctional room furniture concept that uses a modern design with a size of 2.2m x 2m x 2m, using full wood raw material and has a bed and folding table, has a drawer and cupboard. This concept will be shown to boarders and boarding entrepreneurs, 90% of 20 resource persons expressed interest in this concept. After calculating the selling price, this product is valued at Rp. 3,050,000. After conducting market testing, no one is interested in buying this product.