Condenser

Related terms

• Condensing Furnace

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

• 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.

• Conduit

  Protective tubing (EMT, PVC) for wiring in exposed, exterior, or damp locations and where code requires physical protection.

• 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…

• Copper Pipe

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

• Combustion Air Code

  Requirements ensuring fuel appliances get enough air in confined spaces (e.g., a furnace closet). Tightening the envelope can trigger this.

• CPVC

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

• Combustion Air

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