HVAC Forum

1,588 topics in this forum

1. Rusted Furnace Exhaust Discharges Into Attic

   By Mark P, March 16
   • 3 replies
   • 188 views
   • 
   • Mark P
   • Thursday at 02:08 PM

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

   • 1
   • 2

   By terryrwood, December 29, 2013
   • 27 replies
   • 16,641 views
   • 
   • Mom
   • Thursday at 01:37 PM

3. Apollo HydroHeat -- known problems?

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   • 2
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   • 4
   • 9

   By AHI in AR, September 29, 2008
   • 212 replies
   • 118,140 views
   • 
   • Mike Jackson
   • March 14

4. tonnage of chrysler airtemp condenser

   By walterb, June 19, 2013
   • 8 replies
   • 3,807 views
   • 
   • tplnc
   • March 5

5. Aqua Therm heating system

   • 1
   • 2

   By Robert Jones, February 1, 2009
   • 38 replies
   • 22,641 views
   • 
   • Crazymeiam
   • March 3

6. Furnace Plug/Knockout Required?

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

7. 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
   • 304 views
   • 
   • Jim Katen
   • December 30, 2018

8. Cat IV Roof termination with plumbing stack flashing

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

9. Which type of pipe to use?

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

10. Yet another furnace age question, Old Airco

    • 1
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    • 3

    By dude99, October 9, 2012
    • 58 replies
    • 24,671 views
    • 
    • Marc
    • December 5, 2018

11. 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
    • 471 views
    • 
    • inspector57
    • October 28, 2018

12. It's Never-Ending

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

13. Cat IV Vent Clearance

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

14. Mitsubishi Age Identification

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

15. White Powder on Vent

    By oikospastor, December 15, 2015
    • 3 replies
    • 1,151 views
    • 
    • John Ghent
    • July 19, 2018

16. White Powder Under Boiler

    By Mike Lamb, June 3, 2016
    • 7 replies
    • 1,172 views
    • 
    • dennispalmer
    • July 17, 2018

17. AC compressor problem

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

18. Any separation wall or venting issues here?

    By Brandon Whitmore, March 17, 2017
    • 13 replies
    • 1,651 views
    • 
    • John Kogel
    • July 8, 2018

19. A/C compressor unit clicking - Split system

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

20. Which Brand HVAC???

    By fyrmnk, June 27, 2017
    • 12 replies
    • 1,439 views
    • 
    • dennispalmer
    • June 29, 2018

21. Poor airflow in Air conditioner

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

22. Overheating Circuit Board?

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

23. Vent Clearance Clarification?

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

24. pvc flue pipe

    By Les, March 6, 2018
    • 2 replies
    • 537 views
    • 
    • Jim Katen
    • March 6, 2018

25. Lint Trap

    By Steven Hockstein, January 31, 2018
    • 18 replies
    • 1,316 views
    • 
    • RK52
    • February 7, 2018