Search:

Type: Forum Threads; User: markf57

Search: Search took 0.00 seconds.

  1. What is the estimated AFUE for my 1984 furnace?

    Started by markf57, 09-17-2006 12:33 PM
    • Replies: 12
    • Views: 3,503
    Last Post: 09-14-2010 07:53 PM
    by commerce48  Go to last post
  2. How can I measure energy savings of new furnace?

    Started by markf57, 03-19-2010 01:04 PM
    • Replies: 5
    • Views: 545
    Last Post: 03-20-2010 03:27 AM
    by tedkidd  Go to last post
  3. Any comments about all climate heat pumps?

    Started by markf57, 03-16-2007 09:34 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 10,832
    Last Post: 10-06-2009 01:47 PM
    by GeoInNH  Go to last post
  4. Is this a problem? Should I call the tech?

    Started by markf57, 12-14-2007 12:32 AM
    5 Pages
    1 2 3 4 5
    • Replies: 57
    • Views: 4,837
    Last Post: 05-22-2009 12:37 AM
    by joemach  Go to last post
    • Replies: 0
    • Views: 362
    Last Post: 09-03-2008 01:10 AM
    by markf57  Go to last post
  5. Can I have 2 thermostats connected to my system?

    Started by markf57, 08-09-2008 04:05 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,518
    Last Post: 08-10-2008 11:52 AM
    by Airmechanical  Go to last post
  6. Zoning with an AS Heritage 16 DF system

    Started by markf57, 07-25-2008 07:50 PM
    • Replies: 0
    • Views: 406
    Last Post: 07-25-2008 07:50 PM
    by markf57  Go to last post
  7. IAQ problem, wiring problem or IAQ set-up issue?

    Started by markf57, 05-10-2008 05:15 PM
    • Replies: 3
    • Views: 537
    Last Post: 05-11-2008 01:07 AM
    by t527ed  Go to last post
    • Replies: 7
    • Views: 728
    Last Post: 05-06-2008 06:04 PM
    by beenthere  Go to last post
  8. Can I do this with an IAQ Thermostat?

    Started by markf57, 02-21-2008 01:43 AM
    • Replies: 9
    • Views: 578
    Last Post: 02-23-2008 06:36 AM
    by beenthere  Go to last post
  9. Does the heat pump fan run during defrost?

    Started by markf57, 12-10-2007 01:28 PM
    • Replies: 2
    • Views: 1,014
    Last Post: 12-10-2007 01:43 PM
    by markf57  Go to last post
  10. Is this a job for an HVAC guy or an electrician?

    Started by markf57, 12-01-2007 12:28 AM
    • Replies: 2
    • Views: 548
    Last Post: 12-01-2007 12:38 AM
    by toptwo  Go to last post
  11. Question about Installer System Test on IAQ

    Started by markf57, 11-09-2007 03:56 PM
    • Replies: 1
    • Views: 672
    Last Post: 11-11-2007 11:29 PM
    by rog09  Go to last post
  12. ESP, VS blower, Furnace filter and CFM. Oh My!

    Started by markf57, 11-05-2007 02:32 PM
    • Replies: 3
    • Views: 2,112
    Last Post: 11-05-2007 05:39 PM
    by dash  Go to last post
  13. Can a whole house fan and a HP coexist?

    Started by markf57, 10-31-2007 05:16 PM
    • Replies: 4
    • Views: 592
    Last Post: 10-31-2007 05:54 PM
    by markf57  Go to last post
  14. On, auto or CIRC on IAQ fan settings

    Started by markf57, 10-31-2007 12:07 AM
    • Replies: 7
    • Views: 11,017
    Last Post: 10-31-2007 01:08 PM
    by second opinion  Go to last post
  15. Where can I get American Standard data guides?

    Started by markf57, 10-30-2007 09:45 PM
    • Replies: 4
    • Views: 1,245
    Last Post: 10-31-2007 10:20 AM
    by markf57  Go to last post
  16. Help me understand the defrost cycle in a HP

    Started by markf57, 05-25-2007 01:29 AM
    • Replies: 11
    • Views: 864
    Last Post: 05-25-2007 10:26 PM
    by jrbenny  Go to last post
    • Replies: 5
    • Views: 893
    Last Post: 04-21-2007 09:22 PM
    by aircooled53  Go to last post
    • Replies: 3
    • Views: 660
    Last Post: 03-29-2007 01:42 PM
    by htrguy  Go to last post
  17. COP vs. HSPF. Which is a better indicator?

    Started by markf57, 03-28-2007 12:32 PM
    • Replies: 4
    • Views: 3,327
    Last Post: 03-28-2007 07:04 PM
    by markf57  Go to last post
  18. Carrier Infinity contoller vs. Honeywell IAQ

    Started by markf57, 03-24-2007 10:31 AM
    • Replies: 3
    • Views: 762
    Last Post: 03-25-2007 11:45 AM
    by coolguysfl  Go to last post
  19. Will a Honeywell TH8321U work with this setup?

    Started by markf57, 03-11-2007 08:24 PM
    • Replies: 5
    • Views: 908
    Last Post: 03-16-2007 01:36 AM
    by airsome  Go to last post
  20. rebates, dealer participation and buying windows.

    Started by markf57, 03-03-2007 12:25 PM
    • Replies: 3
    • Views: 513
    Last Post: 03-03-2007 01:44 PM
    by heatpumpguru  Go to last post
  21. a/c vs. heat pump question - P word

    Started by markf57, 02-21-2007 01:33 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,732
    Last Post: 02-24-2007 12:54 AM
    by oldertech  Go to last post
  22. Salesman vs. installer - Help me find a solution

    Started by markf57, 02-20-2007 11:16 AM
    • Replies: 6
    • Views: 789
    Last Post: 02-22-2007 06:10 PM
    by comfortdoc  Go to last post
    • Replies: 3
    • Views: 2,207
    Last Post: 02-20-2007 06:01 PM
    by beenthere  Go to last post
    • Replies: 6
    • Views: 861
    Last Post: 02-19-2007 11:31 AM
    by tecman  Go to last post
  23. Can a demand controller work with a Dual Fuel HP?

    Started by markf57, 02-17-2007 11:39 PM
    • Replies: 11
    • Views: 693
    Last Post: 02-18-2007 05:37 PM
    by markf57  Go to last post
    • Replies: 9
    • Views: 1,695
    Last Post: 02-17-2007 01:27 PM
    by dash  Go to last post
  24. Oversizing heat pump in dual fuel system

    Started by markf57, 02-10-2007 11:50 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,456
    Last Post: 02-15-2007 07:14 PM
    by beenthere  Go to last post
    • Replies: 2
    • Views: 466
    Last Post: 02-13-2007 06:40 PM
    by heatpumpman  Go to last post
    • Replies: 8
    • Views: 847
    Last Post: 09-24-2006 09:31 PM
    by tim parkey  Go to last post
  25. Heat loss calc vs. heat loss measurement

    Started by markf57, 09-21-2006 05:20 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,666
    Last Post: 09-23-2006 03:21 PM
    by Carnak  Go to last post
  26. Does a thermostat like this exsist?

    Started by markf57, 09-17-2006 04:43 PM
    • Replies: 2
    • Views: 693
    Last Post: 09-17-2006 07:36 PM
    by amickracing  Go to last post
Results 1 to 35 of 35
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event