Conduit

Related terms

• Copper Pipe

  Durable, long-proven supply piping (types L/M). More costly and labor-intensive than PEX; still specified where preferred or required.

• Condensing Furnace

  A high-efficiency (90%+ AFUE) furnace that extracts extra heat from exhaust, producing acidic condensate that needs a drain and PVC venting.

• CPVC

  Chlorinated PVC supply pipe rated for hot and cold water; an alternative to copper/PEX in some regions.

• Condenser

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

• Damper

  An adjustable plate in a duct that balances or shuts off airflow to a zone or branch.

• Condensate Drain

  The line removing water the AC coil pulls from the air. Clogs cause overflow and water damage; a safety float switch is recommended.

• Dedicated Circuit

  A circuit serving one appliance only (e.g., range, dryer, microwave, EV charger). Required by code for many large or motor loads.

• Combustion Venting (Water Heater)

  Atmospheric, power-vent, or direct-vent options for gas water heaters. Switching types during a remodel affects venting and combustion-ai…