I just found this website last night (don't know what took me so long!) but had a WF Envison 3 ton system with a desuperheater installed back in Oct/Nov 2010 to replace the original HVAC system of my home. The home was built in 1992 and has a lot of windows; but they are all north/south, nothing at all on east/west.
I have a large yard, big enough for a horizontal loop, but the company I decided to go with recommended vertical wells (3, 150ft I believe) for less damage to my lawn and I've been very happy with everything. They were also 50% cheaper than another bid I had from a local competitor which absolutely floored me, and the work they did was top-notch for the same install package sans re-grading my lawn (which is NOT worth a 100% markup, and I've got a shovel for that anyhow!).
The install included a 40 gal tank for the optimal desuperheater setup to feed into my existing 50 gal gas tank (the original one from when the home was built). I have been tracking my total gas/electric usage monthly since we moved in and have been extremely pleased with the results from my system so far. I recently had siding installed (the old stuff was in pretty bad shape, rotting Masonite in a few places) and was able to get a house wrap and some other insulation upgrades in the process. It's been pretty awesome to watch my usage keep dropping even further!
Since I'm on average billing with my utility company I had to call them and request a manual bill re-adjustment as my monthly bill has decreased by over $100. Even now I'm still paying a "surplus" amount; last month's bill was ~$130 actual usage on $188 paid.
Yesterday I also had my water heater replaced with a new 50 gal electric. My utility bills showed I was paying ~$25 for my gas connection to the home and only $2 in therm usage...What a waste! (un)Fortunately my water heater started leaking overnight this last weekend which led to it's sudden replacement, but I'm eager to see what my new bills will look like using an electric water heater (which I've read on here is best for the WF geo systems) and not paying gas connection fees.
I've attached a PDF of my billing results for anyone curious. Blue bars are yearly markers, the orange bar is the geo install, and the yellow bar is the siding install.
Looking forward to many years of happy service from my system, and hopefully learning some new things here to improve my energy efficiency further
So far it's been that way (more cooling than heating), which is good. This year we didn't even really have but one or two weeks of "winter", but I distinctly remember some high 90's / low 100's every summer that we've been here.
I'll always take better cooling over heating as you can always wear more layers of clothing but can only take off so many before you run out! This system has more than met our demands for both heating and cooling though.
Klien I was wondering who did you ended up using for your install? My husband and I are looking into Geo when we have our house built and I stumbled across this forum while doing research. We are in Edwardsville so not far from O'Fallon. I'm just trying to learn as much as possible before we jump into this! Thanks!
Last edited by RachelD; 06-20-2012 at 11:34 AM.
Reason: spelling errors
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