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Central AC installation commonly runs $5,000–$12,000, including equipment, ductwork, and electrical work. A Manual J load calculation helps size the system for your home rather than relying on square footage alone.

Plan for the crew to identify the furnace location, protect nearby floors, and confirm equipment access before work begins. Installation time depends on whether the project also needs venting, electrical, or ductwork changes; ask for a written project timeline.

Residential AC systems commonly range from 1.5 to 5 tons, and one refrigeration ton equals 12,000 Btu per hour. ACCA Manual J calculates room-by-room heating and cooling loads, while Manual S guides equipment selection; oversized AC can short-cycle.

Municipal building permits may apply, so confirm Burlington requirements with the City of Burlington Department of Permitting and Inspections before work starts. Projects must also follow applicable Vermont Fire and Building Safety Code requirements.

A technician can check thermostat settings, airflow, and refrigerant charge to narrow down why AC is blowing warm air. Refrigerant work requires EPA Section 608 Technician Certification, and refrigerant must be recovered as required by Clean Air Act rules.

Furnace repair commonly falls between $150 and $1,000, with the final amount shaped by diagnostic findings, parts, and repair complexity. Ask for documented furnace diagnostics that identify the failed component, such as a flame sensor or inducer motor.