HVAC Forum

1,596 topics in this forum

1. Very Cold, Very Old AC

   By Jim Katen, July 4
   • 16 replies
   • 229 views
   • 
   • Erby
   • Sunday at 01:24 PM

2. Sears System Guardian

   By Garet, January 27, 2012
   • 6 replies
   • 2,342 views
   • 
   • Samantha
   • July 3

3. Mini split lines frosting up 1 2 3

   By John Dirks Jr, June 8
   • 68 replies
   • 1,022 views
   • 
   • John Dirks Jr
   • June 26

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

   By AHI in AR, September 29, 2008
   • 222 replies
   • 121,359 views
   • 
   • Jim Katen
   • June 21

5. Red Plugs in Cat 4 Vent

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

6. Two AC compressors and one air handler

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

7. Vented condensate drain

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

8. New Name, Same Equipment

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

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

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

10. 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
    • 217 views
    • 
    • Jim Katen
    • April 4

11. Rusted Furnace Exhaust Discharges Into Attic

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

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

    By terryrwood, December 29, 2013
    • 27 replies
    • 18,798 views
    • 
    • Mom
    • March 21

13. tonnage of chrysler airtemp condenser

    By walterb, June 19, 2013
    • 8 replies
    • 4,083 views
    • 
    • tplnc
    • March 5

14. Aqua Therm heating system 1 2

    By Robert Jones, February 1, 2009
    • 38 replies
    • 23,612 views
    • 
    • Crazymeiam
    • March 3

15. Furnace Plug/Knockout Required?

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

16. 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
    • 471 views
    • 
    • Jim Katen
    • December 30, 2018

17. Cat IV Roof termination with plumbing stack flashing

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

18. Which type of pipe to use?

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

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

    By dude99, October 9, 2012
    • 58 replies
    • 26,852 views
    • 
    • Marc
    • December 5, 2018

20. 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
    • 569 views
    • 
    • inspector57
    • October 28, 2018

21. It's Never-Ending

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

22. Cat IV Vent Clearance

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

23. Mitsubishi Age Identification

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

24. White Powder on Vent

    By oikospastor, December 15, 2015
    • 3 replies
    • 1,227 views
    • 
    • John Ghent
    • July 19, 2018

25. White Powder Under Boiler

    By Mike Lamb, June 3, 2016
    • 7 replies
    • 1,300 views
    • 
    • dennispalmer
    • July 17, 2018