1 Allergies are increasing. They affect as many as 30 percent of adults and 40 percent of children.1.  Allergic disease, including asthma, is the fifth leading chronic disease in the U.S. in people of all ages. It is the third most common chronic disease in children under 18 years old.1.
There are a lot of variables: Is a new deck required? Would you like a three season or all-season? Is there an obstruction, for instance a water spigot, that needs to be moved? An installed 12 x 12 three season sunroom will start around $15,000 while all-season sunrooms will start around $25,000.
Sunroom Cost Guides. A sunroom is a room where the light comes in through many windows. Some sunrooms are more like greenhouses, with full walls of windows while others are more like enclosed porches.Still others are just light filled rooms facing the back yard.unroom Cost Guides. A sunroom is a room where the light comes in through many windows. Some sunrooms are more like greenhouses, with full walls of windows while others are more like enclosed porches. Still others are just light filled rooms facing the back yard.