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Buyer guide · Choosing a room

Sunroom or screened porch — which fits your home?

Both add usable space and both connect you to the yard. The difference is how much of the year you want to be out there — and that decides almost everything else.

Sunroom or screened porch — which fits your home? — by West GA Decks, Metro Atlanta

Start with one question

When do you want to use the space? A screened porch keeps the breeze moving and the bugs out — wonderful in the months when the weather cooperates. A sunroom is a real room: insulated, heated, cooled, usable on a January morning or a humid August afternoon.

What a screen room (three-season room) gives you

Airflow, an outdoor feel and protection from insects. Screens do not make the space weatherproof — wind-driven rain can reach the interior, so flooring, furniture and electrical choices should suit an outdoor environment. On a recent Atlanta project, a screened three-seasons addition gave a family 640 square feet of open-air entertaining space with a bead-board ceiling and fans.

What a sunroom (four-season room) gives you

Enclosure, insulation and temperature control. A four-season room is planned as a complete addition — windows, walls, roof and floor together — not a porch with glass. In Fayetteville, a 352-square-foot four-season room with a mini-split system and four skylights became the family’s everyday hang-out space, with a heated basement extension below.

What moves the investment

Enclosure, insulation, heating and cooling change the scope — and the investment. Our projects generally start around $40,000; the Atlanta three-seasons addition with its stamped concrete pad came in around $94,000, and the Fayetteville project with both conditioned rooms and a new deck was $178,000. You get a solid quote at the site visit.

A few questions you may be wondering about.

Are screen rooms and three-season rooms different?

A three-season room is a screen room. A four-season room is a sunroom — an insulated, heated and cooled addition.

Are patios and porches different?

Patio and porch are two names for the same outdoor space. The surface makes the difference: decking, a concrete slab or concrete pavers. A roof and screens are separate design choices.

Will a screened porch stay dry in every storm?

No. Wind-driven rain can enter through screens. Choose outdoor-rated finishes and furnishings, or consider an enclosed room if a fully dry space matters.

Can a sunroom’s roof darken rooms inside my home?

It can, depending on depth, orientation and nearby windows. Daylight is a design tradeoff worth discussing before drawings are final.

Which adds more value to my home?

It depends on the home, the permitted scope and the local market. Choose the project around how you will use it; do not assume the construction price comes back at resale.

Keep reading before you decide.

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