On Mar 18, 4:46*am, Don Wiss wrote:
On Mon, 17 Mar 2008, Donna Ohl wrote:
I challenge you to find a water heater efficiency rating NOT in this
36-page listing for a water heater currently sold in the USA.
http://tinyurl.com/38eh4d
(long url)
http://www.gamanet.org/gama/inforeso...ntLaunch/C2AAF...

Where's the A.O. Smith Vertex model GPHE-50 that Bubba recommended?

Don www.donwiss.com (e-mail link at home page bottom).

I saw one unit near the bottom with an Energy Factor of 70, only a few
in the 60s and most in the 50-60 range. Vertex, I have a several year
old similar AO condensing ccommercial unit but I only know its 92%
efficent or so