Ductless ACInstallation Near You
Ductless mini-splits are the right answer for additions, attic conversions, sunrooms, and older Long Island homes without ductwork. Home+ Air & Heat is active in the Mitsubishi Diamond community and installs Bosch with hundreds of multi-zone systems installed across Nassau County.
How much does ductless AC installation cost on Long Island?
Ductless AC installation on Long Island typically runs $4,500–$7,500 for a single-zone system and $9,000–$18,000 for multi-zone setups (3–5 indoor heads on one outdoor condenser). Final pricing depends on brand (Mitsubishi, Bosch, Daikin), BTU sizing, line-set length, and electrical work. Home+ Air & Heat provides flat-rate quotes upfront after an in-home assessment.
Why Long Island Homeowners Choose Us
Mitsubishi Diamond community installer
Factory-trained on the Mitsubishi M-Series and P-Series — the gold standard for ductless on Long Island.
Multi-zone expertise
One outdoor condenser feeding 2–8 indoor heads. Independent temperature control in every room.
Heat + cool in one system
Modern ductless mini-splits also heat — efficient down to 5°F. Replace window units AND space heaters.
Clean, fast install
Most single-zone installs done in 1 day. Multi-zone in 2–3 days. We protect floors and clean up daily.
Synchrony financing
Low-monthly-payment and deferred-interest options on qualifying installs. Decisions in minutes.
Permits & inspections
We pull Nassau County electrical and mechanical permits where required and coordinate inspections.