Four Seasons’ home addition line includes sunrooms, four-season rooms, pergolas and three brand-specific rooms: the Hampton room, the LifeRoom and Addition360. It also offers decking, windows ...

A four-season room, or four-season porch, can be used all year long because it has heating and cooling elements. ... A sunroom’s cost vs. value of a sunroom addition dropped below 50% in 2015.

A four-season sunroom is an addition to your home that’s fully insulated and often includes plumbing, HVAC and electricity. According to Home Guide , these premium structures cost between ...

A four-season room cost is higher due to the addition of an HVAC system. You can opt for ductless mini-split systems ($2,000 to $14,500) or a traditional HVAC system add-on ($4,000 to $6,000).

Four Seasons Sunrooms & Windows Sunroom additions and extensions are an easy way to add a breath-taking new outdoor space to your home that’s perfect for every season.

“Today the four-season rooms typically start in the $50,000 range, and go up from there. But it’s common for them to be $100,000 or more. They’re about the same cost as an addition,” he ...