About 11,300 results
Open links in new tab
  1. SEER, COP and HSPF - GreenBuildingAdvisor

    Sep 10, 2009 · I am trying to come to grips with SEER, COP and HSPF. Is this correct: SEER is BTU cooling / watt hours needed. So divide this number by 3.412 to get the COP. Thus a 16 …

  2. American Standard vs. Fujitsu heat pumps - GreenBuildingAdvisor

    Dec 18, 2021 · On the surface, it’s quoted as 18 SEER, 12.9 EER, and 9.6 HSPF — compared to the 18k ducted Fujitsu at 19.7 SEER, 11.3 EER, and 12 HSPF, or the 15k ductless at 25.3 / …

  3. Mitsubishi Hyper Heat MSZFH09 vs 06 HSPF - GreenBuildingAdvisor

    Apr 12, 2021 · Community and Q&A Mitsubishi Hyper Heat MSZFH09 vs 06 HSPF pahiker | Posted in Energy Efficiency and Durability on April 12, 2021 09:49pm

  4. How does HyperHeat work? re: comparing heat pumps

    Feb 2, 2022 · How is it possible for a 13 HSPF unit to underperform a 9 HSPF unit by so much? I realize “2 ton” is a nominal size so these could be apples to oranges comparisons. The Mitsu …

  5. Heat Pump Heating Seasonal Performance Factor (HSPF ...

    Aug 24, 2021 · Hi, does a heat pump operating Washington DC on average perform any worse than its official HSPF rating indicates ( if properly installed, sized, charged etc). The issue is …

  6. Choose Slightly Higher HSPF or save $ upfront as payoff is ~7 …

    Jul 27, 2016 · Sized reasonably most HSPF 10-ish mini-splits will perform with an as-used HSPF 11 in your area, and sized optimally can even beat HSPF 12. Also note, for a client's private …

  7. How can I calculate payback period of different HSPF/COP heat …

    Jun 11, 2020 · So,,, how can I determine pay-back periods for different advertised HSPF values (which I now know don’t accurately reflect the actual HSPF for this region) for 2 ton? ducted …

  8. Variable-Capacity Heat Pumps - GreenBuildingAdvisor

    Jun 30, 2023 · HSPF, or heating seasonal performance factor, describes a heat pump’s overall heating efficiency taking into account defrost cycles and the need for supplemental heat. …

  9. A Ductless Mini-Split or a Central Air Heat Pump

    Aug 26, 2022 · In other words if a mini split has a SEER of 19 and a HSPF of 10 and a central air pump was the same rating and the central air pump had a variable speed and variable …

  10. Good source for minisplit turndown ratios and turndown vs. HSPF …

    Jul 28, 2016 · Hi, I was going to ask this on this thread: But realized it was a separate question. Does anyone know of a good analysis of the energy impact of turndown ratio vs seer/hpsf for …