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1,655 topics in this forum

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

    By Ozzuneoj,
    • 10 replies
    • 3.1k views

  2. Damaged flame sensor on furnace

    By Monty,
    • 1 reply
    • 818 views

  3. ID stuff on boiler pipe

    By Mike Lamb,
    • 0 replies
    • 513 views

  4. Energy Recovery Air Purifier

    By Yevgen,   
    • 1 reply
    • 723 views

  5. Hydronic with Fan Coil?

    By Jim Katen,
    • 4 replies
    • 679 views

  6. 1986 High Efficiency Furnace?

    By CNewhouse,
    • 3 replies
    • 831 views

  7. Mini split lines frosting up 1 2 3

    By John Dirks Jr,
    • 72 replies
    • 21.3k views

  8. Gas appliance in garage closet

    By Mike Lamb,
    • 1 reply
    • 593 views

  9. Fiberglass Ductboard replace or no?

    By jbean,
    • 3 replies
    • 801 views

  10. Daikin WLAN adapter acting in funny way

    By zillah,
    • 2 replies
    • 415 views

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

    By Sparky H,   
    • 2 replies
    • 538 views

  12. Vent joints no longer required to be sealed

    By Mike Reno,   
    • 1 reply
    • 1.5k views

  13. Steam boiler dirty sight glass

    By Mike Lamb,
    • 1 reply
    • 1k views

  14. Quick Heat Pump Help Please

    By Jerry Simon,
    • 14 replies
    • 1.4k views

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

    By MPdesign,
    • 9 replies
    • 1.4k views

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

    By Bill Kibbel,
    • 52 replies
    • 32.4k views

  17. Aqua Therm heating system 1 2 3

    By Robert Jones,
    • 54 replies
    • 65.4k views

  18. advice replacing oil furnace in Pa. please!

    By mayhem69,
    • 3 replies
    • 751 views

  19. Silver boiler piping ID?

    By Mike Lamb,
    • 7 replies
    • 1.1k views

  20. Black plugs on HVAC ducts?

    By Mike Lamb,
    • 5 replies
    • 1.5k views

  21. Free Capacitor with Every Furnace

    By Jim Katen,
    • 8 replies
    • 991 views

  22. AC Sensor Issue?

    By fyrmnk,
    • 13 replies
    • 2.6k views

  23. Airco 105-2 HBOE

    By Gav D,
    • 3 replies
    • 876 views

  24. Buderus Boiler Date Identification?

    By dtontarski,
    • 4 replies
    • 15.5k views

  25. info please intertherm baseboard heaters 1 2

    By kurt,
    • 30 replies
    • 34.5k views
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