HVAC Forum

1,642 topics in this forum

1. Damaged flame sensor on furnace

   By Monty, Friday at 08:46 PM
   • 1 reply
   • 33 views
   • 
   • Jim Katen
   • Yesterday at 01:12 AM

2. Maintaining a vintage 1950s-1960s Holland forced air gas furnace?

   By Ozzuneoj, October 10
   • 9 replies
   • 144 views
   • 
   • Jim Katen
   • Friday at 05:36 PM

3. Wesco Electric Furnace

   By CHI2, April 3, 2009
   • 16 replies
   • 11.9k views
   • 
   • Jim Katen
   • October 6

4. ID stuff on boiler pipe

   By Mike Lamb, September 20
   • 0 replies
   • 183 views
   • 
   • Mike Lamb
   • September 20

5. Energy Recovery Air Purifier

   By Yevgen, September 17   

   • erv
   • air purifier
   • 1 reply
   • 116 views
   • 
   • Bill Kibbel
   • September 17

6. Hydronic with Fan Coil?

   By Jim Katen, September 2
   • 4 replies
   • 237 views
   • 
   • Rob Amaral
   • September 6

7. 1986 High Efficiency Furnace?

   By CNewhouse, August 18
   • 3 replies
   • 173 views
   • 
   • Mike Lamb
   • August 21

8. Mini split lines frosting up 1 2 3

   By John Dirks Jr, June 8, 2019
   • 72 replies
   • 12.3k views
   • 
   • Trent Tarter
   • August 11

9. Gas appliance in garage closet

   By Mike Lamb, July 21
   • 1 reply
   • 272 views
   • 
   • Bill Kibbel
   • July 22

10. Fiberglass Ductboard replace or no?

    By jbean, July 14
    • 3 replies
    • 188 views
    • 
    • jbean
    • July 15

11. Daikin WLAN adapter acting in funny way

    By zillah, July 10
    • 2 replies
    • 138 views
    • 
    • Jim Katen
    • July 11

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

    By AHI in AR, September 29, 2008
    • 231 replies
    • 143.3k views
    • 
    • RogerE
    • July 8

13. Air temp in crawl space seems way to cold in the summer and way too hot in the winter

    By Sparky H, July 4   

    • zone hvac
    • bypass damper
    • (and 1 more)

      Tagged with:

      • zone hvac
      • bypass damper
      • cold crawl
    • 2 replies
    • 229 views
    • 
    • Howard L. Rennie
    • July 7

14. Vent joints no longer required to be sealed

    By Mike Reno, May 16   

    • sealing
    • vents
    • (and 3 more)

      Tagged with:

      • sealing
      • vents
      • exhaust
      • furnace
      • hvac
    • 1 reply
    • 917 views
    • 
    • Jim Katen
    • May 17

15. Which Brand HVAC???

    By fyrmnk, June 27, 2017
    • 14 replies
    • 6.6k views
    • 
    • Trent Tarter
    • April 22

16. Steam boiler dirty sight glass

    By Mike Lamb, March 26
    • 1 reply
    • 572 views
    • 
    • Bill Kibbel
    • March 27

17. Quick Heat Pump Help Please

    By Jerry Simon, February 5
    • 14 replies
    • 905 views
    • 
    • acnorthport
    • March 25

18. 15 year old Mini split systems. If replacing the CU, what about the indoor unit?

    By MPdesign, December 2, 2020
    • 9 replies
    • 921 views
    • 
    • Les
    • March 21

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

    By Bill Kibbel, January 14, 2008
    • 52 replies
    • 27.6k views
    • 
    • Chad Fabry
    • March 16

20. Aqua Therm heating system 1 2 3

    By Robert Jones, February 1, 2009
    • 54 replies
    • 38.3k views
    • 
    • hausdok
    • February 20

21. advice replacing oil furnace in Pa. please!

    By mayhem69, February 4
    • 3 replies
    • 405 views
    • 
    • Bill Kibbel
    • February 6

22. Silver boiler piping ID?

    By Mike Lamb, January 23
    • 7 replies
    • 750 views
    • 
    • Mike Lamb
    • January 29

23. Black plugs on HVAC ducts?

    By Mike Lamb, January 21
    • 5 replies
    • 613 views
    • 
    • Bill Kibbel
    • January 22

24. Free Capacitor with Every Furnace

    By Jim Katen, January 14
    • 8 replies
    • 635 views
    • 
    • John Kogel
    • January 18

25. Upgrading a Wesco electric furnace 1 2

    By John Kogel, December 31, 2012
    • 26 replies
    • 13.9k views
    • 
    • Jim Katen
    • January 7