Mini Splits for ADUs, Guest Houses & Garages — Dallas, TX

Building an ADU, finishing a guest house, or making a garage livable? A ductless mini split is the ideal way to heat and cool it — its own efficient system, no ductwork, no load on the main house. Truficient offers options at every budget. Installed systems start around $3,500. Call 214-238-4349 for pricing — we want your business.

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Why a Mini Split Is Perfect for an ADU or Guest House

An accessory dwelling unit, guest house, casita, or garage apartment is a self-contained space — and it deserves its own self-contained climate system. A ductless mini split is exactly that:

• Independent comfort — the ADU sets its own temperature without touching the main house's system or bills
• No ductwork — one slim indoor head, one small outdoor unit, a 3-inch hole between them; perfect for a compact build
• Heats and cools — a single inverter heat pump covers both seasons, so there's no separate furnace to install
• Efficient for rentals — low operating cost matters when a tenant (or you) runs it daily
• Quiet — important in a small living space

It's the standard solution for ADUs for good reason — and it works just as well for a garage conversion, a pool house, or a backyard office.

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Options at Every Budget

Mitsubishi is our top recommendation — quietest, most efficient, 12-year Diamond Dealer warranty. But for a rental ADU or a part-time guest house, many owners want a friendlier price, so we offer two value plays:

| Tier | Brand | Warranty | Best for | |---|---|---|---| | Premium | Mitsubishi | 12-yr parts & compressor (Diamond Dealer) | Full-time ADUs, long-term use | | Name-brand value | Gree | 10-yr warranty, established manufacturer | Best balance of price and peace of mind | | Budget value | Value-brand (supply-house) | 3-yr parts / 5-yr warranty + 1-yr Truficient labor | Rentals, part-time guest spaces, garages |

Every Truficient install includes a 1-year labor warranty. Gree is a long-standing, name-brand manufacturer whose 10-year warranty makes it our favorite middle-ground value; the supply-house value brand keeps upfront cost as low as possible.

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What It Costs

Installed pricing runs from about $3,500 (equipment included) up to around $8,000 for larger wall-mount systems, depending on size and brand. A typical garage apartment, casita, or single-room ADU usually lands toward the lower end.

Call 214-238-4349 for exact pricing on your project — no guesswork, no pressure.

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Common Projects We Equip

• ADUs and garage apartments — full-time or rental
• Guest houses, casitas, and pool houses
• Garage conversions and backyard offices — see Heated & Cooled Garage Cost Dallas TX
• Man caves and bonus spaces — see Man Cave Mini Split Dallas TX

For value options by city, start at Value Mini Split Dallas TX. Comparing brands? See Best Mini Split Brand Dallas TX 2026. Why inverter technology fits these spaces: Why Dallas Homes Need Inverter HVAC.

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Get ADU & Guest-House Pricing

Call 214-238-4349 or request a quote online.

Truficient installs mini splits for ADUs, guest houses, casitas, and garage apartments across Dallas–Fort Worth — Mitsubishi, Gree, and value-brand options, right-sized with a load calculation and backed by a 1-year labor warranty. We want your business.

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