HVAC Forum

1,657 topics in this forum

1. Old WESCO limit switch?

   By jas0578, November 30, 2019
   • 1 reply
   • 2.2k views
   • 
   • Jim Katen
   • December 2, 2019

2. Dust from old HVAC vents

   By nathan.schlingmann, November 29, 2019   

   • hvac
   • dust
   • 1 reply
   • 1.2k views
   • 
   • Marc
   • November 30, 2019

3. Single Wall Furnace/Water Heater Vent Through Wall To Chimney

   By DPugh, November 23, 2019
   • 5 replies
   • 1.3k views
   • 
   • ejager
   • November 25, 2019

4. Airco Turbo 8300 model TH-150H cycles on and off

   By Bruce Cahoon, November 13, 2019   

   • 8300
   • turbo
   • (and 2 more)

     Tagged with:

     • 8300
     • turbo
     • airco
     • r2000
   • 19 replies
   • 3.3k views
   • 
   • Jim Katen
   • November 16, 2019

5. Gas Dryer

   By Ponyboy, March 12, 2010
   • 18 replies
   • 10.9k views
   • 
   • Johnnyboy
   • November 15, 2019

6. What happened to the Williams Obsolescence chart

   By HenryLemmon, November 8, 2019
   • 1 reply
   • 733 views
   • 
   • Jim Katen
   • November 9, 2019

7. Fiberglass as fire blocking

   By Mike Lamb, August 21, 2019
   • 4 replies
   • 1.6k views
   • 
   • inspector57
   • August 22, 2019

8. Very Cold, Very Old AC

   By Jim Katen, July 4, 2019
   • 17 replies
   • 2.2k views
   • 
   • mgbinspect
   • August 1, 2019

9. Sears System Guardian

   By Garet, January 27, 2012
   • 6 replies
   • 5.1k views
   • 
   • Samantha
   • July 3, 2019

10. Red Plugs in Cat 4 Vent

    By Mike Lamb, June 19, 2019
    • 2 replies
    • 1.4k views
    • 
    • Jim Katen
    • June 19, 2019

11. Two AC compressors and one air handler

    By Mike Lamb, June 13, 2019
    • 7 replies
    • 1.8k views
    • 
    • Jim Katen
    • June 15, 2019

12. Vented condensate drain

    By Marc, June 5, 2019
    • 2 replies
    • 1.8k views
    • 
    • Jim Katen
    • June 6, 2019

13. New Name, Same Equipment

    By Bill Kibbel, April 25, 2019
    • 6 replies
    • 1.5k views
    • 
    • Marc
    • April 27, 2019

14. Stand-Alone Gas-Fired "Boiler/Radiator"

    By Rob Amaral, April 9, 2019
    • 2 replies
    • 1.1k views
    • 
    • Marc
    • April 9, 2019

15. Furnace Chimney - Connecting new stuff to old stuff

    By R. Reader, April 3, 2019   

    • hvac
    • chimney
    • (and 1 more)

      Tagged with:

      • hvac
      • chimney
      • roof
    • 1 reply
    • 985 views
    • 
    • Jim Katen
    • April 4, 2019

16. Rusted Furnace Exhaust Discharges Into Attic

    By Mark P, March 16, 2019
    • 4 replies
    • 1.7k views
    • 
    • Erby
    • March 28, 2019

17. tonnage of chrysler airtemp condenser

    By walterb, June 19, 2013
    • 8 replies
    • 7.7k views
    • 
    • tplnc
    • March 5, 2019

18. Furnace Plug/Knockout Required?

    By greyboy39, January 11, 2019
    • 1 reply
    • 2.9k views
    • 
    • Jim Katen
    • January 12, 2019

19. Common Wire Connection at Furnace

    By Rebecca, December 30, 2018   

    • hvac
    • common wire
    • (and 1 more)

      Tagged with:

      • hvac
      • common wire
      • c-wire
    • 5 replies
    • 1.6k views
    • 
    • Jim Katen
    • December 30, 2018

20. Cat IV Roof termination with plumbing stack flashing

    By Mike Lamb, October 26, 2018
    • 15 replies
    • 2.8k views
    • 
    • Bill Kibbel
    • December 11, 2018

21. Which type of pipe to use?

    By dennispalmer, July 23, 2018
    • 5 replies
    • 1.7k views
    • 
    • pranus
    • December 11, 2018

22. How much condensate debris/deposit is "OK"?

    By ejager, October 26, 2018   

    • lennox
    • 80%
    • (and 2 more)

      Tagged with:

      • lennox
      • 80%
      • gasket
      • condensate
    • 5 replies
    • 1.9k views
    • 
    • inspector57
    • October 28, 2018

23. It's Never-Ending

    By Rob Amaral, September 24, 2018
    • 2 replies
    • 1.4k views
    • 
    • Perfect Home Inspection
    • October 3, 2018

24. Cat IV Vent Clearance

    By Mike Lamb, September 25, 2018
    • 2 replies
    • 1.1k views
    • 
    • Mike Lamb
    • September 25, 2018

25. Mitsubishi Age Identification

    By palmettoinspect, September 18, 2018
    • 4 replies
    • 11.4k views
    • 
    • Trent Tarter
    • September 21, 2018