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Case Studies
 Vaillant’s industry-leading solar thermal systems generate hot water, heat pools and spas, and provide radiant heat using the energy from clean and renewable sunshine. Vaillant’s world-class systems help homeowners cut their energy costs and achieve financial savings. To learn more about the benefits of Solar Hot Water heating, please review the following residential case studies:

 

Solar Thermal System: Recirculation 

When renovating their dream home in Rancho Santa Fe, the Chavez family wanted to install a solar thermal system that would provide solar hot water instantly at either end of their 6,200 square foot home. After interviewing three installers, they signed a contract with Adroit Solar ; a Vaillant certified installer. Adroit was the only installer to propose a single application to meet their specific needs.

Adroit designed and specified a dual recirculation system, integrated with Vaillant® Solar System’s 990 auroTHERM® collectors. Once the design was approved and ready for build, Adroit got to work and had the solar hot water system up and running within two weeks.

Since the installation, the Chavez family has noticed a considerable difference. Teresa Chavez explains, "It's been over six weeks since we started using our Vaillant solar water heating system.  I wanted to let you know how very pleased we are with how well the system is performing.  Totally trouble free, we get hot water within seconds throughout the house.  It's phenomenal."

With an annual savings of over $750, the system is estimated to save $30,481 over 25 years and will offset 3,210 lbs of C02 per year, or 80,486 lbs of C02 over the life of the system. That is the equivalent to taking seven passenger vehicles off the road. 

System Specifications at Glance:

View Recirculation Case Study.


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Solar Thermal System: Natural Gas

Marc Esser will tell you: if you want to save green, you have to go green.  Owner of the San Diego energy consulting firm, NegaWatt Consulting , Marc is all about renewable energy, conservation and reducing utility costs. When it came to retrofitting his own home, Marc wanted to achieve all three with one application - which is why he decided to install a Vaillant solar thermal system.

“I went solar thermal because it is the most efficient form of solar energy. Plus, Vaillant has 135 years of water heating experience.” says Marc. “The system’s carbon reduction is great and so is the technology that comes with the German engineering.”

Marc’s closed loop system reduces his natural gas consumption by as much as 80% and saves Marc over $30 a month on his hot water utilities. Since the Vaillant solar system is manufactured with a life expectancy of 25 years, Marc will be able to enjoy the increased savings for years to come.

With an annual savings of over $300, the system is estimated to save $19,735 over 25 years and will offset 3,510 lbs of C02 per year, or 87,775 lbs of C02 over the life of the system. That is the equivalent to taking almost eight passenger vehicles off the road. 

System Specifications at Glance:

View Natural Gas Case Study.

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Solar Thermal System: Propane

Living in the hills of Ramona, Ca has many benefits for homeowners, Peter and Connie Krickhuhn. Unfortunately, the high propane costs are not one of them, which is why the Krickhuhn’s decided it was time to focus on a renewable source of energy and invest in a solar thermal system.

Peter went with Vaillant Solar Systems because he wanted a solar manufacturer he could rely on. Peter explains, “I installed Vaillant tankless water heaters some 52 years ago as a plumber in Germany. From firsthand experience, I know Vaillant makes reliable and quality products. Plus, being familiar with the company helps.”

Peter and Connie have enjoyed their first year of solar savings, cutting their propane usage by almost 50% and propane costs by $702 per year. With a life expectancy of 25 plus years, the Krikuhns will be able to experience increased savings year after year. 

System Specifications at Glance:

View Natural Gas Case Study.

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