Ductless mini-split design and installation throughout Richardson — single-zone, multi-zone, garage conversions, and whole-home systems. → Request a Quote or call 214-238-4349

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Why Richardson Homeowners Are Choosing Mini-Splits

Richardson's residential housing falls into two distinct profiles, and a ductless mini-split is the right answer for different reasons in each.

The older neighborhoods south of Campbell Road — the 1950s through 1970s ranch and split-level homes in Heights Park, Cottonwood Heights, Canyon Creek, and Richardson Heights — were built with central duct systems that are now five to seven decades old. Original ductwork in these homes has typically been altered, patched, partially replaced, and run through unconditioned attic space at temperatures that exceed 130°F in July and August. Even after a new central system is installed, the duct losses can run 20 to 30 percent. A ductless mini-split removes the duct system from the equation entirely.

The newer homes north of Campbell Road in the Telecom Corridor and CityLine areas — built primarily from the late 1980s through the early 2000s — typically have intact ductwork but were built with single-zone central systems. As family use patterns have changed (home offices, finished bonus rooms, garage conversions, sunroom additions), these homes have rooms the original system was never designed to condition. A single-zone or two-zone mini-split adds capacity exactly where it's needed without modifying the existing ducted system.

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Where Mini-Splits Make the Most Sense in Richardson

Garage conversions and finished bonus rooms. Richardson's mid-century homes have a recurring pattern: the original two-car garage has been converted to a home office, gym, music room, or extra bedroom. The central system was sized for the original conditioned area and can't handle the additional load. A single-zone Mitsubishi mini-split — typically a 9,000 to 18,000 BTU wall-mounted unit — conditions the converted space independently. Installation is one to two days with no impact on the existing system.

Primary suite additions. Richardson homes that added a primary suite during the 1990s or 2000s often have inadequate ductwork serving the addition. The new bedroom runs warm in summer because the original trunk line was undersized. A dedicated zone resolves the comfort problem cleanly.

Sunrooms and Texas rooms. The screened porches and sunroom enclosures common in Richardson's Canyon Creek and Prairie Creek neighborhoods almost never have proper HVAC integration. A mini-split makes these rooms usable year-round — including the 100-plus degree summer afternoons when an unconditioned sunroom becomes a 130°F greenhouse.

Whole-home replacement in homes without ductwork. A small subset of older Richardson homes — particularly in the Heights Park area — have such compromised ductwork that replacement isn't economical. A multi-zone Mitsubishi system with three to five zones can condition the entire home through ceiling cassettes, wall-mounted units, or a combination of indoor unit types matched to each room.

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Mitsubishi Equipment We Install in Richardson

Truficient is a Mitsubishi Diamond Dealer, which means the systems we install qualify for Mitsubishi's 12-year parts and compressor warranty — the longest standard warranty available in the residential ductless market. The equipment we recommend most often in Richardson:

MSZ-FS Wall-Mounted Units — The current generation Mitsubishi wall-mounted indoor unit. Quiet operation (19 to 25 dB), inverter-driven compressor, and rated for the high-ambient summer conditions standard in North Texas.

MXZ Multi-Zone Outdoor Condensers — Single outdoor unit serves two to eight indoor zones. The right configuration for Richardson homes adding capacity to multiple rooms — primary suite + home office + garage conversion is a common three-zone setup.

Hyper-Heat (H2i) Systems — Mitsubishi's cold-climate heat pump line. Maintains rated heating capacity down to 5°F outdoor temperature, which matters for the February cold snaps Dallas now experiences regularly. For Richardson homeowners replacing a gas furnace and central AC with a single heat pump system, Hyper-Heat eliminates the temperature performance gap that older heat pump generations had in extreme cold.

SLZ Ceiling Cassette Units — When a wall-mounted indoor unit isn't aesthetically appropriate (formal living spaces, primary suites, areas with limited wall space), a four-way ceiling cassette delivers the same performance with a much lower visual profile.

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What the Installation Process Looks Like

A typical Richardson mini-split installation runs one to three days depending on system complexity:

Day one: Site assessment confirmation, refrigerant line routing, electrical work for the dedicated 240V circuit (most outdoor units), outdoor condenser placement and pad installation, line set installation through the wall penetration.

Day two: Indoor unit mounting, condensate line routing, refrigerant charge, system commissioning, and homeowner walkthrough of the controller and operation.

Day three (multi-zone systems only): Additional indoor unit installations, balancing, final commissioning.

We pull the required permits with the City of Richardson, schedule any inspections, and handle warranty registration with Mitsubishi on your behalf.

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Pricing Context

Mini-split system pricing varies based on the number of zones, the indoor unit types selected, and the installation conditions of the property. Single-zone wall-mounted systems for a garage conversion or single bedroom typically run in the $4,000 to $6,500 range installed. Two- and three-zone systems range from $8,000 to $15,000. Larger whole-home multi-zone systems with four or more zones are quoted on a per-project basis.

These ranges include equipment, installation labor, electrical work, refrigerant, line sets, permits, and warranty registration.

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Why Truficient for Mini-Split Installation in Richardson

Truficient's registered business address is in Richardson — we operate locally, with same-week response times and short travel from job to job. We're a Mitsubishi Diamond Dealer, which is the highest installer designation Mitsubishi offers and the qualification required for the 12-year warranty.

Eric, Truficient's owner, is the engineer behind every system design. Each installation is sized using Manual J load calculations rather than rules of thumb, which matters in Richardson because the housing stock spans seven decades of construction standards — a 1962 Heights Park ranch and a 2005 CityLine townhome have fundamentally different load profiles, and the equipment recommendation should reflect that.

For a broader overview of HVAC service in Richardson, see our Richardson HVAC hub. For information about Mitsubishi's ductless lineup specifically, see the Mitsubishi mini-split overview.

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Get a Mini-Split Quote for Your Richardson Home

Call 214-238-4349 or request a quote online and we'll schedule a site assessment.

Truficient is a Mitsubishi Diamond Dealer. 12-year warranty on all qualifying installations. Serving Richardson TX — ZIP codes 75080, 75081, and 75082.