Mini-splits are the most efficient way to heat or cool a room without ductwork. Perfect for additions, garages, sunrooms, or older homes — United National HVAC installs and services all major mini-split brands.
Ductless mini-split installation in Sunnyvale, TX is the cleanest solution for additions, garages, sunrooms, and older homes without existing ductwork. United National HVAC installs and services single-zone and multi-zone mini-split systems throughout Dallas County.
Many homes in Sunnyvale Town Center and Lake Ray Hubbard area and across Sunnyvale (75182) have bonus rooms, converted garages, or additions that were never connected to the main duct system. A mini-split handles these spaces efficiently without major renovation — and it provides both heating and cooling year-round.
We install major mini-split brands including Mitsubishi, Daikin, LG, and Carrier. Installation typically takes 4–8 hours for a single zone with minimal wall penetration required. Financing from $49/mo is available and systems typically qualify for federal energy efficiency tax credits.
Call us now or request service online. Same-day appointments available across DFW.
Call 214-983-0507