Central Air Conditioner

Related terms

• Condenser

  The outdoor unit that rejects heat removed from the house. Needs clearance and airflow; undersizing or dirty coils kill efficiency.

• Ductwork

  The supply/return passages distributing conditioned air. Leaky or undersized ducts are a top cause of comfort and efficiency complaints.

• Circuit Breaker

  An automatic switch that interrupts a circuit on overload or short, resettable unlike a fuse. The modern overcurrent device.

• Cast Iron Drain

  Older quiet but corrodible drain piping. Deteriorated cast iron under slabs/in stacks is a common reason for invasive plumbing work.

• Cleanout

  A capped access fitting for snaking/clearing the drain line. Code requires them at intervals and direction changes.

• Carbon Monoxide (CO) Risk

  Colorless toxic gas from incomplete combustion. Cracked exchangers, backdrafting, and bad venting cause it — driving CO-alarm and venting…

• Combustion Air

  Outside air a fuel-burning appliance needs to burn safely. Tightening a house without providing it can cause backdrafting and CO risk.

• Camera / Scope Inspection

  Running a camera down the sewer lateral to find breaks, bellies, or root intrusion before they become an emergency — wise before a major…