HVAC Forum

1,587 topics in this forum

1. Furnace Plug/Knockout Required?

   By greyboy39, Friday at 09:22 PM
   • 1 reply
   • 92 views
   • 
   • Jim Katen
   • Saturday at 03:39 AM

2. 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
   • 208 views
   • 
   • Jim Katen
   • December 30, 2018

3. Cat IV Roof termination with plumbing stack flashing

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

4. Which type of pipe to use?

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

5. Yet another furnace age question, Old Airco

   • 1
   • 2
   • 3

   By dude99, October 9, 2012
   • 58 replies
   • 23,349 views
   • 
   • Marc
   • December 5, 2018

6. 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
   • 359 views
   • 
   • inspector57
   • October 28, 2018

7. It's Never-Ending

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

8. Cat IV Vent Clearance

   By Mike Lamb, September 25, 2018
   • 2 replies
   • 199 views
   • 
   • Mike Lamb
   • September 25, 2018

9. Mitsubishi Age Identification

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

10. Apollo HydroHeat -- known problems?

    • 1
    • 2
    • 3
    • 4
    • 9

    By AHI in AR, September 29, 2008
    • 206 replies
    • 116,013 views
    • 
    • Jim Katen
    • August 2, 2018

11. White Powder on Vent

    By oikospastor, December 15, 2015
    • 3 replies
    • 1,060 views
    • 
    • John Ghent
    • July 19, 2018

12. White Powder residual from a Gas furnace???

    By terryrwood, December 29, 2013
    • 24 replies
    • 13,902 views
    • 
    • Chad Fabry
    • July 18, 2018

13. White Powder Under Boiler

    By Mike Lamb, June 3, 2016
    • 7 replies
    • 1,089 views
    • 
    • dennispalmer
    • July 17, 2018

14. AC compressor problem

    By dennispalmer, July 4, 2018
    • 2 replies
    • 449 views
    • 
    • dennispalmer
    • July 13, 2018

15. Any separation wall or venting issues here?

    By Brandon Whitmore, March 17, 2017
    • 13 replies
    • 1,591 views
    • 
    • John Kogel
    • July 8, 2018

16. A/C compressor unit clicking - Split system

    By Mike Lamb, April 3, 2018
    • 9 replies
    • 855 views
    • 
    • dennispalmer
    • July 2, 2018

17. Which Brand HVAC???

    By fyrmnk, June 27, 2017
    • 12 replies
    • 1,300 views
    • 
    • dennispalmer
    • June 29, 2018

18. Poor airflow in Air conditioner

    By dennispalmer, June 27, 2018
    • 5 replies
    • 350 views
    • 
    • dennispalmer
    • June 28, 2018

19. Overheating Circuit Board?

    By Jim Katen, June 14, 2018
    • 4 replies
    • 386 views
    • 
    • John Kogel
    • June 15, 2018

20. Vent Clearance Clarification?

    By greyboy39, February 20, 2018
    • 6 replies
    • 634 views
    • 
    • RK52
    • April 3, 2018

21. pvc flue pipe

    By Les, March 6, 2018
    • 3 replies
    • 455 views
    • 
    • Jim Katen
    • March 6, 2018

22. Lint Trap

    By Steven Hockstein, January 31, 2018
    • 18 replies
    • 1,080 views
    • 
    • RK52
    • February 7, 2018

23. Internal siphon gauge

    By Mike Lamb, January 31, 2018
    • 1 reply
    • 561 views
    • 
    • Bill Kibbel
    • January 31, 2018

24. Oil Tank

    By Darren, December 20, 2017
    • 6 replies
    • 640 views
    • 
    • Rob Amaral
    • December 31, 2017

25. HVAC install

    By bleach333, May 31, 2017   

    • hvac
    • furnace
    • (and 1 more)

      Tagged with:

      • hvac
      • furnace
      • duct
    • 5 replies
    • 978 views
    • 
    • Plummen2
    • December 31, 2017