Indoor Pool Ideas for Every Home and Budget
Anyone researching indoor pool ideas is really choosing between two different projects: a purpose-built indoor pool room, or an outdoor pool that gets enclosed so it works through fall, winter and spring. A full custom indoor pool room typically runs $175,000 to $300,000 or more once excavation, glazing and mechanical systems are priced in. Enclosing a pool that already exists costs a fraction of that, because the water, the deck and the shell are already paid for.
The right starting point depends on what is already in the backyard. The ideas below cover design choices for a room built from scratch, and the enclosure route that most photo galleries skip entirely.
Slim aluminum framing and floor-to-ceiling glazing let a pool room read as an extension of the backyard rather than a separate building. This works best on lots with a view worth keeping, a garden or open sky, rather than a neighbor’s fence line.
Exposed wood beams, stone deck coping and a few large potted plants cut the clinical, tiled-box feeling that gives indoor pools a bad reputation. Natural materials also hide water spotting better than painted drywall.
Recessed lighting along the waterline, dimmable overheads and a matte tile finish instead of high-gloss turn a lap pool into a room people want to sit in after the swim is over, not just during it.
Tight lots do not rule out an indoor pool. A skylight run above the water, a ceiling that climbs to 12 feet or more at the peak, and one continuous flooring material from deck to pool edge all make a small room read larger than its footprint. A current-generating exercise pool, which lets a swimmer swim in place, fits where a full lap pool cannot.
Instead of excavating a new pool inside a new room, homeowners with an existing outdoor pool can add a retractable pool enclosure and get most of the same result: a pool that stays usable when it is cold, windy or raining, without paying to pour a second pool shell. The enclosure’s walls and roof slide open again in summer, so the same pool goes back to being fully outdoor for the months it was built for.
Homeowners set on a room built from scratch can build an indoor pool around an empty footprint instead, trading a higher price for full control over ceiling height, room shape and mechanical systems.
A sealed indoor pool room usually needs a dedicated pool dehumidifier sized to the water’s surface area, running close to continuously, along with a vapor barrier behind the walls and mechanical exhaust venting to the outside. Skip any of those and condensation shows up on windows, metal fixtures and eventually framing.
A retractable roof or wall system handles part of that job by opening to outside air whenever the weather allows, which is why enclosed pools generally need less dehumidification equipment than a room sealed year-round.
The price of a full custom indoor pool room moves with room size, glazing type, and whether the pool itself is new or existing. Heating, dehumidification and a full mechanical room add to that base cost before finishes are chosen. Our complete indoor pool guide breaks down what drives that number line by line.
Enclosing an existing pool avoids the excavation, plumbing and new pool shell that make up most of that price, which is why it is worth pricing before committing to a ground-up room.
See how a retractable enclosure turns an existing outdoor pool into a year-round indoor one, and request a quote for a retractable enclosure sized to your pool.
Compact exercise and plunge pools start around 8 by 15 feet, roughly 120 square feet of water. A current-generating exercise pool can go smaller still, since the swimmer stays in place instead of swimming lengths.
Usually, yes. Enclosing a pool you already have skips the excavation, plumbing and new pool shell that make up most of a full indoor build’s cost, so the total typically lands well below building a room from scratch.
A sealed room typically needs a dedicated pool dehumidifier, a vapor barrier behind the walls, and mechanical exhaust running most of the day. A retractable roof or wall system replaces some of that hardware by opening to outside air whenever the weather allows.
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