Post & Beam Homes, Sun Rooms and Indoor Pool Enclosures Expand your living space and bring the outdoors in with a beautiful NDHI sunroom. A sunroom addition can compliment the beauty of any home, and our design flexibility can achieve exactly the look you want. We can incorporate a sunroom into your new or existing structure. Enjoy warm winter sunshine and soft summer breezes with a sunroom designed for all seasons. Capture the beauty of the outdoors and combine it with the comfort and convenience of low maintenance living space.