Return to the Heating & Air Conditioning Forum | Post a Follow-Up

 o
High Efficiency vs Energy Star

Posted by nyc1216 (My Page) on
Sun, Mar 4, 12 at 14:04

I am building a new home in NJ and my builder includes 2 zone HVAC systems that are high efficiency. I asked about energy star and he said it would cost extra to use energy star. Does anyone know the difference between high effeciency and energy star?


Follow-Up Postings:

 o
RE: High Efficiency vs Energy Star

Energy Star is 50% better than code minimum.


 o
RE: High Efficiency vs Energy Star

Here are the specifications from the Energy Star web site:

Air-Source Heat Pumps >= 8.2 HSPF/ >=14.5 SEER/ >=12 EER* for split systems
>= 8.0 HSPF/ >=14 SEER/ >=11 EER* for single package equipment including gas/electric package units

Central Air Conditioners >=14.5 SEER/ >=12 EER* for split systems
>=14 SEER/ >=11 EER* for single package equipment including gas/electric package units

Gas Furnaces Key Product Criteria Rating of 90% AFUE* or greater

High efficiency is a relative term with no formal definition. You should ask the builder the model numbers of the equipment he plans to use. The model numbers of Energy Star rated products can be found at energystar.gov.


 o
RE: High Efficiency vs Energy Star

I'm guessing high efficiency means absolutely nothing. Energy star is not exactly a hard thing to hit.


 o
RE: High Efficiency vs Energy Star

high efficiency here in La. is 30% better than code.
with hvac it is 14 seer minimum

50% better than code is a hard thing to hit.

Here in La. it usually 15 seer and higher, efficient water heater foam encapsulated attic, and windows
with shgc of .30 or less. Tightness of the house
is a big factor also.

to get a reluctant builder to build better than
code is hard, to make him do 50% better...is
a chore.

this is why builder's challange is pitched to
builders.
better to get builders to make it a standard
for every house they build, than to educate
the homeowner for the one house he/she will build.

the builder or homeowner has to hire an
energy rater to advise & verify efficiency
of house.
Home Energy Rating Score (HER's) rating is
manditory for energy star.


 o Post a Follow-Up

Please Note: Only registered members are able to post messages to this forum.

    If you are a member, please log in.

    If you aren't yet a member, join now!


Return to the Heating & Air Conditioning Forum

Information about Posting

  • You must be logged in to post a message. Once you are logged in, a posting window will appear at the bottom of the messages. If you are not a member, please register for an account.
  • Posting is a two-step process. Once you have composed your message, you will be taken to the preview page. You will then have a chance to review your post, make changes and upload photos.
  • After posting your message, you may need to refresh the forum page in order to see it.
  • Before posting copyrighted material, please read about Copyright and Fair Use.
  • We have a strict no-advertising policy!
  • If you would like to practice posting or uploading photos, please visit our Test forum.
  • If you need assistance, please Contact Us and we will be happy to help.


Learn more about in-text links on this page here