Johnstone Supply Store in KNOXVILLE webmaster1 May 15, 2021 Categories: HVAC WholesalersAddress 5012 S. MIDDLEBROOK PIKEKNOXVILLE, TN 37921USAContact Phone: (865) 525-6296Contact Store Review Store Your Name * Your Email * ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ Your Review *