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  1. malatu posted a new thread.

    Delaware ClimateMaster Certified Contrator? Or Does it Really Matter?

    The company who installed two ClimateMaster units for me two years ago are no longer in business. I need one of the units serviced (low...

    Forum: Maintenance and Troubleshooting

    Dec 12, 2017 at 10:51 AM
  2. docjenser replied to the thread Maryland Geo & radiant newby needs guidance.

    I am bias...since I tend to still appreciate the quality long after I forgot about the additional cost.

    Dec 10, 2017 at 8:07 PM
  3. poolboy replied to the thread Maryland Geo & radiant newby needs guidance.

    Thanks for the price list. It will give me an idea of cost impact when we make adjustments to the proposal. I did not pay enough...

    Dec 10, 2017 at 7:57 PM
  4. docjenser attached a file to the thread Maryland Geo & radiant newby needs guidance.

    Your climate is heating dominated, you will see higher compressor stages and longer runtime in heating mode (although the 7 series runs...

    Dec 9, 2017 at 1:51 PM
  5. poolboy replied to the thread Maryland Geo & radiant newby needs guidance.

    Thanks for adding the nth dimension, Doc. Fortunately for my little brain once I changed to percentages they were constant regardless...

    Dec 9, 2017 at 12:53 PM
  6. docjenser replied to the thread Maryland Geo & radiant newby needs guidance.

    Now consider future price developments....you will not pay the same for energy as you do now.... now the fun really starts.

    Dec 9, 2017 at 12:14 AM
  7. ChrisJ replied to the thread Virginia 2nd winter of hydronic radiant geo.

    Is your Water to water HP warm water only? Doesn't reverse for chilled water? You mention a split HP for a/c. Cold water to an air...

    Dec 8, 2017 at 3:07 PM
  8. ChrisJ replied to the thread Minnesota Happy Thanksgiving and the start of my testimonial thread!.

    Moved to Frankz's thread

    Dec 8, 2017 at 2:45 PM
  9. frankz replied to the thread Minnesota Happy Thanksgiving and the start of my testimonial thread!.

    Nice. Our system also working flawlessly as we go into the 3rd winter. Flip on the switch end of October, and that's it. I don't even...

    Dec 8, 2017 at 2:01 PM
  10. poolboy replied to the thread Maryland Geo & radiant newby needs guidance.

    Thanks for the link and all of the numbers. I plugged them into a spreadsheet to make sure I followed your math and to run some...

    Dec 8, 2017 at 12:27 PM
  11. docjenser replied to the thread Maryland Geo & radiant newby needs guidance.

    http://welserver.com/WEL0603/ 2 person home, customer tracks DSH and electric tank usage. The second tank consumed 5KW x 574 hours this...

    Dec 7, 2017 at 6:38 PM
  12. docjenser replied to the thread Maryland Geo & radiant newby needs guidance.

    You don't need an intellistart with a 7 series, a variable speed compressor does not have a hard start problem. You also do not need a...

    Dec 7, 2017 at 6:25 PM
  13. poolboy replied to the thread Maryland Geo & radiant newby needs guidance.

    If $6500 is typical for an HRV, then that supply solution in our proposal may not be so bad after all! I'll check into the details of...

    Dec 7, 2017 at 8:59 AM
  14. ChrisJ replied to the thread Maryland Geo & radiant newby needs guidance.

    What they are proposing is supply only ventilation. Which is likely better then my exhaust only system using 2 bath fans. My HVAC guy...

    Dec 7, 2017 at 7:06 AM
  15. poolboy replied to the thread Maryland Geo & radiant newby needs guidance.

    Forgot to respond to the ERV/HRV you mentioned in your earlier note. The HVAC quote, still a WIP, has "Install fresh air duct and...

    Dec 6, 2017 at 7:38 PM
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