HVAC Forum

1,664 topics in this forum

1. 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
   • 1.8k views
   • 
   • Jim Katen
   • December 30, 2018

2. Cat IV Roof termination with plumbing stack flashing

   By Mike Lamb, October 26, 2018
   • 15 replies
   • 3.2k views
   • 
   • Bill Kibbel
   • December 11, 2018

3. Which type of pipe to use?

   By dennispalmer, July 23, 2018
   • 5 replies
   • 1.9k views
   • 
   • pranus
   • December 11, 2018

4. 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
   • 2.2k views
   • 
   • inspector57
   • October 28, 2018

5. It's Never-Ending

   By Rob Amaral, September 24, 2018
   • 2 replies
   • 1.5k views
   • 
   • Perfect Home Inspection
   • October 3, 2018

6. Cat IV Vent Clearance

   By Mike Lamb, September 25, 2018
   • 2 replies
   • 1.2k views
   • 
   • Mike Lamb
   • September 25, 2018

7. Mitsubishi Age Identification

   By palmettoinspect, September 18, 2018
   • 4 replies
   • 16.4k views
   • 
   • Trent Tarter
   • September 21, 2018

8. White Powder on Vent

   By oikospastor, December 15, 2015
   • 3 replies
   • 2.2k views
   • 
   • John Ghent
   • July 19, 2018

9. White Powder Under Boiler

   By Mike Lamb, June 3, 2016
   • 7 replies
   • 5.5k views
   • 
   • dennispalmer
   • July 17, 2018

10. AC compressor problem

    By dennispalmer, July 4, 2018
    • 2 replies
    • 1.5k views
    • 
    • dennispalmer
    • July 13, 2018

11. Any separation wall or venting issues here?

    By Brandon Whitmore, March 17, 2017
    • 13 replies
    • 3.5k views
    • 
    • John Kogel
    • July 8, 2018

12. A/C compressor unit clicking - Split system

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

13. Poor airflow in Air conditioner

    By dennispalmer, June 27, 2018
    • 5 replies
    • 1.7k views
    • 
    • dennispalmer
    • June 28, 2018

14. Vent Clearance Clarification?

    By greyboy39, February 20, 2018
    • 6 replies
    • 16.8k views
    • 
    • RK52
    • April 3, 2018

15. pvc flue pipe

    By Les, March 6, 2018
    • 2 replies
    • 2.4k views
    • 
    • Jim Katen
    • March 6, 2018

16. Lint Trap

    By Steven Hockstein, January 31, 2018
    • 18 replies
    • 8.7k views
    • 
    • RK52
    • February 7, 2018

17. Internal siphon gauge

    By Mike Lamb, January 31, 2018
    • 1 reply
    • 4.3k views
    • 
    • Bill Kibbel
    • January 31, 2018

18. Oil Tank

    By Darren, December 20, 2017
    • 6 replies
    • 2k views
    • 
    • Rob Amaral
    • December 31, 2017

19. HVAC install

    By bleach333, May 31, 2017   

    • hvac
    • furnace
    • (and 1 more)

      Tagged with:

      • hvac
      • furnace
      • duct
    • 5 replies
    • 3.8k views
    • 
    • Plummen2
    • December 31, 2017

20. Vent extension into chimney

    By Mike Lamb, August 24, 2017
    • 3 replies
    • 1.9k views
    • 
    • Plummen2
    • December 30, 2017

21. Scorching above boiler heat exchanger.

    By Mike Lamb, October 30, 2017
    • 1 reply
    • 1.6k views
    • 
    • Tom Raymond
    • October 31, 2017

22. Date this Crane furnace

    By Marc, September 5, 2017   

    • serial number decoding
    • appliance age?
    • 9 replies
    • 6k views
    • 
    • Les
    • September 7, 2017

23. Plastic Vent Connector 80 percent Efficient Furnace

    By greyboy39, August 25, 2017
    • 3 replies
    • 1.8k views
    • 
    • Jim Katen
    • August 25, 2017

24. PVC Flue venting size

    By Trent Tarter, August 11, 2017
    • 2 replies
    • 10k views
    • 
    • Chad Fabry
    • August 12, 2017

25. Cleaning a square dryer vent

    By Marc, August 8, 2017   

    • dryer vent
    • duct cleaning
    • (and 1 more)

      Tagged with:

      • dryer vent
      • duct cleaning
      • dusty duct
    • 4 replies
    • 5.7k views
    • 
    • Erby
    • August 11, 2017