Mini Split Installation in Arlington, TX

Arlington’s aging ductwork

Much of Arlington was built between roughly 1960 and 1985, during the metroplex’s first big suburban expansion. That housing stock is now forty to sixty years old, and the mechanical systems in it are on their second or third replacement.

The equipment gets replaced. The ductwork usually does not.

This is the central issue for Arlington homeowners considering ductless. A new condenser and air handler go in, but the duct network — original, in an unconditioned attic, with tape that gave up decades ago — stays. Studies of Texas housing consistently find duct systems in attics losing 20 to 30 percent of conditioned air through leakage and thermal transfer, and Arlington’s housing age puts many homes squarely in that range.

If you are losing 25 percent, you pay for four units of cooling and receive three. Every summer.

The honest way to decide is to test rather than assume. A contractor can measure duct leakage. If the ducts are tight and in good condition, a high-efficiency central replacement is likely the better economic choice. If they are leaking badly, you are choosing between rebuilding the network — expensive and disruptive in a finished house — and eliminating it. See whole-home ductless for that comparison in detail.

The rental market

Arlington has a large rental market, driven substantially by UT Arlington and the city’s position between Dallas and Fort Worth. Ductless has real advantages for rental property, and Arlington landlords make up a meaningful share of local installations.

Independent control and independent metering behavior. Each unit runs on its own, so tenants manage their own comfort and see the consequences in their own usage.

No shared ductwork. In a duplex or fourplex, shared ducts transfer noise and cooking odors between units and complicate any conversation about who is responsible for what.

Unit-by-unit replacement. A failed zone affects one unit, not the building.

Nothing to clean between tenants. No duct cleaning, no filter access disputes.

The caution is regulatory. Arlington operates a rental registration and inspection program, and mechanical work needs to be permitted properly. Unpermitted HVAC installations are a recurring source of trouble at re-inspection, and they are expensive to resolve retroactively. Use a licensed contractor who pulls the permit.

Common Arlington jobs

Garages. As everywhere in DFW, the demand for usable garage space is strong. Arlington’s older garages are frequently uninsulated, which pushes sizing to 24,000 BTU for a two-car space. See garage mini splits.

Additions and converted spaces. Fifty years of homeowners adding on means a lot of Arlington houses have rooms the original system was never sized for.

Rooms far from the air handler. In a 1970s ranch with a long floor plan, the far bedroom is often 6 to 8 degrees off.

Duplex and small multifamily. Zoning per unit rather than per building.

Oncor rebates

Arlington is in Oncor’s delivery territory, so the standard DFW program applies: up to $600 per qualifying heat pump, requiring 16 SEER2 or better equipment, an Oncor-approved contractor, and a DOE-listed smart thermostat.

For rental property owners installing multiple units, the per-unit structure is worth noting — the rebate applies per qualifying heat pump, so a multi-unit project can claim more than one. Confirm the details with Oncor before committing, since program rules for non-owner-occupied property can differ.

Applications run February through November, closing December 1 or when annual funding is exhausted.

The federal 25C tax credit expired December 31, 2025 and is not available for 2026 installations.

Next steps

If the question is whether to keep your ducts, read mini split vs central AC. For garages see garage systems, and the pricing guide has full cost tables.