HVAC Forum

1,662 topics in this forum

1. Apollo HydroHeat -- known problems? 1 2 3 4 10

   By AHI in AR, September 29, 2008
   • 236 replies
   • 179.7k views
   • 
   • hausdok
   • November 1, 2023

2. White Powder around Gas Vent 1 2

   By fqp25, July 5, 2008
   • 30 replies
   • 83.3k views
   • 
   • Jim Katen
   • October 17, 2022

3. A coil/Condensor sizing 1 2 3 4 5

   By fyrmnk, April 28, 2006
   • 119 replies
   • 71.1k views
   • 
   • fyrmnk
   • April 28, 2006

4. Aqua Therm heating system 1 2 3

   By Robert Jones, February 1, 2009
   • 54 replies
   • 69.2k views
   • 
   • hausdok
   • February 20, 2021

5. Yet another furnace age question, Old Airco 1 2 3 4

   By Mark P, October 10, 2012
   • 93 replies
   • 63.4k views
   • 
   • mmahdi
   • November 20, 2023

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

   By terryrwood, December 29, 2013
   • 28 replies
   • 59.6k views
   • 
   • CBrown
   • June 24, 2020

7. Fiberglass Ductboard 1 2

   By Les, March 10, 2004
   • 36 replies
   • 59.3k views
   • 
   • Jim Katen
   • August 28, 2020

8. Tape on "B" vents!!!

   By gsozz, June 12, 2005
   • 7 replies
   • 38.1k views
   • 
   • gsozz
   • June 12, 2005

9. info please intertherm baseboard heaters 1 2

   By kurt, October 13, 2007
   • 30 replies
   • 37k views
   • 
   • HARRY C. EPP
   • October 31, 2020

10. Is it OK to bury refrigerant lines?

    By Steven Hockstein, June 27, 2009
    • 9 replies
    • 35.9k views
    • 
    • Steven Hockstein
    • June 27, 2009

11. Gas water heater/oil fired furnace sharing flue 1 2 3

    By Bill Kibbel, January 14, 2008
    • 52 replies
    • 35.4k views
    • 
    • Chad Fabry
    • March 16, 2021

12. Weil Mclain Age

    By kurt, January 25, 2006
    • 24 replies
    • 30.9k views
    • 
    • Brian G
    • January 28, 2006

13. gap under door for return air

    By John Dirks Jr, May 8, 2009
    • 11 replies
    • 30.4k views
    • 
    • John Dirks Jr
    • May 8, 2009

14. Upgrading a Wesco electric furnace 1 2

    By John Kogel, December 31, 2012
    • 31 replies
    • 28.1k views
    • 
    • Jim Katen
    • January 26, 2024

15. Blower Speed for furnaces

    By msteger, February 15, 2009
    • 10 replies
    • 27.7k views
    • 
    • msteger
    • February 15, 2009

16. Mini split lines frosting up 1 2 3

    By John Dirks Jr, June 8, 2019
    • 72 replies
    • 27.5k views
    • 
    • Trent Tarter
    • August 11, 2021

17. condenser pad 1 2

    By John Dirks Jr, April 18, 2009
    • 34 replies
    • 27.4k views
    • 
    • John Dirks Jr
    • April 18, 2009

18. Finding furnace age 1 2

    By jodil, February 10, 2008
    • 36 replies
    • 27.2k views
    • 
    • Bill Kibbel
    • August 30, 2011

19. Natural gas furnace in bedroom closet.

    By Robert Jones, December 29, 2006
    • 8 replies
    • 25.9k views
    • 
    • Robert Jones
    • December 29, 2006

20. FROM single-wall TO Type B double-wall?

    By Dunebilly Dave, September 3, 2013
    • 17 replies
    • 23.9k views
    • 
    • Dunebilly Dave
    • September 5, 2013

21. Garage furnace venting problem 1 2

    By tcfinishing, January 26, 2009
    • 35 replies
    • 23.4k views
    • 
    • orangetang
    • November 21, 2011

22. AC liquid line very hot, while suction line cold

    By Brandon Whitmore, July 31, 2009
    • 3 replies
    • 23.3k views
    • 
    • Brandon Whitmore
    • August 1, 2009

23. Rusted furnace flue

    By Erby, January 4, 2012
    • 9 replies
    • 22.5k views
    • 
    • Erby
    • January 4, 2012

24. Identifying Manufacturing Date of Dunkirk Boiler

    By dtontarski, April 19, 2006
    • 20 replies
    • 21.3k views
    • 
    • dtontarski
    • April 19, 2006

25. Overheating Circuit Board? 1 2

    By Jim Katen, June 14, 2018
    • 43 replies
    • 20.8k views
    • 
    • Troyster510
    • December 14, 2022