Free residential service call with any repair during normal business hours

CSI Mechanical

   (704) 600-6267

Serving Shelby, NC Metro Since 2010

XV80 – TUD2-9V/TDD2-9V

  • 60–140 mbth input
  • Two-stage heat
  • Variable-speed ECM blower motor
  • Comfort-R™ mode
  • Two-speed draft inducer
  • Silicon nitride igniter
  • Fully insulated/gasketed
  • Factory wired for humidifier and EAC
  • Certified to 2% air leakage


The consistently efficient XV80 variable-speed gas furnace is built to meet your home’s needs and designed to fit wherever you need it. A variable-speed fan motor adjusts speed to provide a consistent flow of warm, comfortable air with a rating of up to 80% AFUE.