Installation planning · Air Zone Systems
For this comparison, central air means a ducted cooling system; ductless means indoor units serving rooms without air ducts. Existing ducts, the rooms involved, and your heating plans shape the decision.
Equipment background: Department of Energy: heat pump systems
If your home has ducts, ask for their condition, connections, and suitability to be assessed before assuming they can stay. Without ducts, compare the routes and building work for adding them with the proposed locations and connections for ductless indoor units. Neither option should be selected from floor area alone.
List the rooms in the quote. A whole-home replacement and cooling for an addition have different scopes. For ductless, ask where each indoor unit goes and which spaces it is intended to serve. For ducted cooling, ask about supply and return locations and the rooms served by each system.
A heat pump can provide heating and cooling, and there are ducted and ductless versions. If heat is part of the project, ask for a plan for cold weather, the proposed equipment’s heating capacity, and any existing heat that will remain. A cooling-only quote does not answer those heating questions.
Equipment background: Department of Energy: heat pump systems
For ductless, discuss indoor unit locations, outdoor equipment placement, line routes, drains, and electrical work. For ducted cooling, discuss indoor equipment access, duct changes, returns, drains, and electrical work. Ask who repairs any disturbed finishes. Make exclusions clear before comparing totals.
Where both approaches are suitable, ask each option to cover the same rooms and intended use. Compare exact models, included components, installation work, controls, warranty terms, and what stays from the existing system. Do not choose from a headline efficiency figure or equipment price alone.
General planning information. Equipment selection, price, scheduling, and project scope need to be confirmed for your property.
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