HVAC Forum

1,655 topics in this forum

1. Airco Furnace Parts

   By Jibber, October 16, 2020
   • 0 replies
   • 659 views
   • 
   • Jibber
   • October 16, 2020

2. AC leakage emergency shutoff switch

   By Mike Lamb, September 11, 2020
   • 6 replies
   • 867 views
   • 
   • Jim Katen
   • September 12, 2020

3. Looking for age of Janitrol furnace

   By drw, June 22, 2006
   • 7 replies
   • 5.9k views
   • 
   • plummen
   • September 7, 2020

4. R-458A

   By Jim Katen, June 27, 2020
   • 3 replies
   • 1.7k views
   • 
   • plummen
   • September 7, 2020

5. Fiberglass Ductboard 1 2

   By Les, March 10, 2004
   • 36 replies
   • 57.3k views
   • 
   • Jim Katen
   • August 28, 2020

6. Multiple vents in chimney

   By Mike Lamb, August 11, 2020
   • 1 reply
   • 922 views
   • 
   • Bill Kibbel
   • August 11, 2020

7. Repair minor cuts in insulation - propane tubing

   By rick wintomac, July 13, 2020
   • 2 replies
   • 1k views
   • 
   • Bill Kibbel
   • July 14, 2020

8. Question About Side Discharge Heat Pump

   By KatieLeigh, June 24, 2020
   • 1 reply
   • 788 views
   • 
   • Marc
   • June 24, 2020

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

   By terryrwood, December 29, 2013
   • 28 replies
   • 51.9k views
   • 
   • CBrown
   • June 24, 2020

10. HVR attic unit-no Safety drip pan below?

    By JPLomeo, June 21, 2020
    • 3 replies
    • 937 views
    • 
    • Jim Katen
    • June 23, 2020

11. Holland Furnace

    By Jim Katen, May 30, 2020   

    • holland
    • furnace
    • 7 replies
    • 3.3k views
    • 
    • Rob Amaral
    • June 6, 2020

12. Vents close together

    By Mark P, May 30, 2020
    • 5 replies
    • 1.8k views
    • 
    • Jim Katen
    • June 1, 2020

13. Electric, In-floor heating

    By Jerry Simon, May 10, 2020
    • 12 replies
    • 1.3k views
    • 
    • Rob Amaral
    • June 1, 2020

14. Buried Fuel Tank

    By Mark P, May 12, 2020
    • 4 replies
    • 808 views
    • 
    • Jim Katen
    • May 13, 2020

15. Atypical open *tee* installed on furnace intake-air flue pipe

    By Jerry Simon, April 29, 2020
    • 14 replies
    • 1.9k views
    • 
    • Jim Katen
    • May 4, 2020

16. Single AC Unit in my House

    By sangal, April 26, 2020
    • 1 reply
    • 799 views
    • 
    • Marc
    • April 26, 2020

17. Loose thermocouple = damaged circuit board

    By Freezer man Fran, April 22, 2020
    • 6 replies
    • 828 views
    • 
    • Chad Fabry
    • April 23, 2020

18. AC Refrigerant Leak?

    By Mike Lamb, December 19, 2019
    • 3 replies
    • 1.7k views
    • 
    • Freezer man Fran
    • April 22, 2020

19. What is that white powder on heating appliances and vents? Here's the answer...

    By Mundo Inspector, April 13, 2020
    • 6 replies
    • 1.1k views
    • 
    • Erby
    • April 17, 2020

20. Identify this stuff please

    By gary the home inspector, April 3, 2020
    • 6 replies
    • 898 views
    • 
    • gary the home inspector
    • April 5, 2020

21. Gray powdery substance blowing out of my HVAC registers

    By Bobbie, February 27, 2020
    • 7 replies
    • 2.5k views
    • 
    • hausdok
    • March 23, 2020

22. Electric bill doubled after new gas furnace install

    By lnm1016, January 29, 2020
    • 2 replies
    • 785 views
    • 
    • Jerry Simon
    • January 30, 2020

23. Out of curiosity, whats this cylinder on an old Lennox humidifier

    By ejager, January 24, 2020
    • 4 replies
    • 973 views
    • 
    • Les
    • January 27, 2020

24. Old WESCO limit switch?

    By jas0578, November 30, 2019
    • 1 reply
    • 1.9k views
    • 
    • Jim Katen
    • December 2, 2019

25. Dust from old HVAC vents

    By nathan.schlingmann, November 29, 2019   

    • hvac
    • dust
    • 1 reply
    • 857 views
    • 
    • Marc
    • November 30, 2019