
Hybrid Geothermal Earth System Cooling & Heating Historic Home in Phoenix, AZ
PROBLEM
This Phoenix home was uncomfortable during hot summer months. The historic construction of the home made it difficult for traditional cooling and heating to work.
GOALS
- Provide sufficient comfort or cooling
- Preserve aesthetics of property
- Reduce energy dependence
- Extend swimming season for pool
- Provide hot water
RESULTS
- Environmentally friendly system
- Drastically lowered utility costs
- Removed unappealing equipment
- Reduced energy consumption
- Extended pool use
- Free hot water to home

GeOasis allowed me to reclaim my home during the hot Phoenix summer. I feel good that I have reduced my personal energy dependence and am proud to be contributing to the USA’s future energy independence.”
- Sid Rosen, Owner
Sidney Rosen / Carter Gibbs Historical Tudor in Phoenix, AZ
Sidney M. Rosen is living in his dream home. His Phoenix, AZ residence is listed on the National Register of Historic Places, with the United States Department of the Interior. Designed in the late 1920′s by the owner Carter W. Gibbs, and the builder Neil H. Gates this, “Landmark” English Tudor, French Chalet inspired local treasure was completed in 1930.
Mr. Rosen considers himself a caretaker for the historical and environmental preservation of this Carter W. Gibbs inspired “English Tudor”
Mr. Rosen has invested tremendous time and energy maintaining, restoring, and preserving this piece of Arizona history, commissioning the assistance of some of the finest world class preservation and renovation professionals along the way.
One of the biggest challenges Mr. Rosen experienced in the late 1980′s was related to his many attempts to properly air condition and heat his home. Despite investing in top of the line energy efficient, air conditioning and heating systems, manufactured by industry leading companies and installed by top local professionals in the HVAC field, Mr. Rosen was never able to achieve his goal of maintaining a comfortable indoor environment in the extreme heat of a Phoenix summer.
Because Sid’s dream home was built well before the development of modern air conditioning technology, the walls and ceilings of his home were never insulated from the extreme desert southwest temperatures. Fortunately in the spring of 2009 after researching new hybrid energy efficient geothermal technology, Mr. Rosen discovered a solution.
Geoasis geothermal hybrid systems allowed Sid to finally achieve his goal of creating a comfortable indoor environment that he could use year round including the most extreme Phoenix summer months of June, July, and August.
After years of searching for a solution Mr. Rosen is finally free to host his numerous and important, charitable, civic, historical and social events year round.
After years of effort, Mr. Rosen has finally achieved his goals of comfort and energy independence. Geoasis is proud of this project, and feels privileged to be a part of Mr. Rosen’s goal of moving forward towards an ultimate goal of achieving energy independence for our great nation, through conservation and sustainable efforts.

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