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Mini-Split for an ADU or Guest House in The Colony, TX

The Colony sits along Lewisville Lake, and lake living tends to come with extra structures — a guest casita for family who visit for the water, a pool house off the deck, a detached office with a view. Out in Tribute and the peninsula neighborhoods there's genuine room to build, and even the older FM 423-area homes on their larger original lots have space out back. What none of those detached structures has is a way to connect to the main home's ductwork.

Call 214-238-4349 or get a free quote →

Why extending the central system is the wrong answer

A detached space needs its own climate — its own thermostat, schedule, and on/off. Ducting it back to the main house ties its comfort to the main thermostat and loses efficiency across a long exterior run. Near the lake there's a second issue: humidity. A guest house or pool house needs steady moisture control, and a duct run from an oversized central system short-cycling on a muggy afternoon is the worst tool for that job.

Why a mini-split is the right fit in The Colony

A ductless mini-split is self-contained — one indoor head, one outdoor condenser, a small line set, independent control. Your guest suite holds its own temperature without anyone touching the main house. Gree builds solid inverter-driven systems that run long and low, which is exactly what pulls humidity out of a lakeside pool house or cabana and keeps a part-time guest space comfortable and dry. A backyard office stays quiet enough for work; a casita keeps a visitor comfortable on their own schedule.

Sizing and placement

A single studio casita or office is usually one head on a single-zone Gree condenser. A full guest house — bedroom, bath, sitting area — or a casita plus a nearby pool house may call for a multi-zone system running two or three heads off one outdoor unit. The condenser sits on a pad beside the structure; because it's a detached building, we plan the electrical feed into the scope. No ductwork, minimal disruption to the yard.

Why a specialist matters

Independent comfort for an added structure is routine for us and an afterthought for most crews. We size Gree's systems to the real load of the space and set them up for the quiet, steady, moisture-controlling operation that makes a lakeside guest house or office somewhere you actually want to be.

Our warranty

Registered Gree ductless systems carry a 10-year parts and compressor warranty. We register the equipment as part of the install and make the coverage clear before we begin.

Efficiency and incentives

Gree's variable-speed compressors modulate to a small building's load rather than cycling hard, which keeps operating costs down on a space occupied only part of the time. A qualifying heat-pump system may also be eligible for the federal 25C tax credit — ask us and confirm the current amount when you file.

Adding a space out back? Call 214-238-4349 or request your free quote →

FAQ

What warranty comes with a Gree mini-split in an ADU? Registered Gree ductless systems carry a 10-year parts and compressor warranty. We register the equipment and confirm the coverage first.

How much does a mini-split for a guest house cost in The Colony? It depends on the structure's size, the number of zones, and the electrical run to a detached building. We'll scope it and give you a free quote.

Can a mini-split handle a lakeside pool house? Yes — a variable-speed system runs long and low, removing humidity well, a real advantage near Lewisville Lake.

Is the guest suite comfortable year-round? Yes — it's a heat pump, so it cools in summer and heats on cold nights. The space stays usable whenever visitors come.