HVAC Forum

1,597 topics in this forum

1. Fiberglass as fire blocking

   By Mike Lamb, August 21
   • 4 replies
   • 299 views
   • 
   • inspector57
   • August 22

2. Very Cold, Very Old AC

   By Jim Katen, July 4
   • 17 replies
   • 575 views
   • 
   • mgbinspect
   • August 1

3. Sears System Guardian

   By Garet, January 27, 2012
   • 6 replies
   • 2,448 views
   • 
   • Samantha
   • July 3

4. Mini split lines frosting up 1 2 3

   By John Dirks Jr, June 8
   • 68 replies
   • 1,437 views
   • 
   • John Dirks Jr
   • June 26

5. Apollo HydroHeat -- known problems? 1 2 3 4 9

   By AHI in AR, September 29, 2008
   • 222 replies
   • 122,737 views
   • 
   • Jim Katen
   • June 21

6. Red Plugs in Cat 4 Vent

   By Mike Lamb, June 19
   • 2 replies
   • 126 views
   • 
   • Jim Katen
   • June 19

7. Two AC compressors and one air handler

   By Mike Lamb, June 13
   • 7 replies
   • 207 views
   • 
   • Jim Katen
   • June 15

8. Vented condensate drain

   By Marc, June 5
   • 2 replies
   • 151 views
   • 
   • Jim Katen
   • June 6

9. New Name, Same Equipment

   By Bill Kibbel, April 25
   • 6 replies
   • 471 views
   • 
   • Marc
   • April 27

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

    By Rob Amaral, April 9
    • 2 replies
    • 238 views
    • 
    • Marc
    • April 9

11. Furnace Chimney - Connecting new stuff to old stuff

    By R. Reader, April 3   

    • hvac
    • chimney
    • (and 1 more)

      Tagged with:

      • hvac
      • chimney
      • roof
    • 1 reply
    • 255 views
    • 
    • Jim Katen
    • April 4

12. Rusted Furnace Exhaust Discharges Into Attic

    By Mark P, March 16
    • 4 replies
    • 474 views
    • 
    • Erby
    • March 28

13. White Powder residual from a Gas furnace??? 1 2

    By terryrwood, December 29, 2013
    • 27 replies
    • 19,595 views
    • 
    • Mom
    • March 21

14. tonnage of chrysler airtemp condenser

    By walterb, June 19, 2013
    • 8 replies
    • 4,241 views
    • 
    • tplnc
    • March 5

15. Aqua Therm heating system 1 2

    By Robert Jones, February 1, 2009
    • 38 replies
    • 24,188 views
    • 
    • Crazymeiam
    • March 3

16. Furnace Plug/Knockout Required?

    By greyboy39, January 11
    • 1 reply
    • 654 views
    • 
    • Jim Katen
    • January 12

17. 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
    • 543 views
    • 
    • Jim Katen
    • December 30, 2018

18. Cat IV Roof termination with plumbing stack flashing

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

19. Which type of pipe to use?

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

20. Yet another furnace age question, Old Airco 1 2 3

    By dude99, October 9, 2012
    • 58 replies
    • 27,493 views
    • 
    • Marc
    • December 5, 2018

21. 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
    • 627 views
    • 
    • inspector57
    • October 28, 2018

22. It's Never-Ending

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

23. Cat IV Vent Clearance

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

24. Mitsubishi Age Identification

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

25. White Powder on Vent

    By oikospastor, December 15, 2015
    • 3 replies
    • 1,273 views
    • 
    • John Ghent
    • July 19, 2018