1. Can a solar water heating system be used in place of a traditional gas or electric heating system?

In order to ensure proper efficiency of your water heating system, a solar energy system must be used in conjunction with a traditional gas or electric heating system, rather than as an alternative to a traditional system.

2. Do solar systems produce hot water in the winter?

ONOSI�solar systems will operate and produce hot water during the winter months but may require anti-freeze protection where applicable.

3. Do solar systems produce hot water on a cloudy/overcast day?

ONOSI�solar systems will be able to provide heating during cloudy or overcast days, but may require the use of traditional gas or electric heating system to produce required temperatures.

4. Can I use a solar collector with my existing hot water system?

Most often times solar collectors can be used with an existing system by utilizing a simplistic solar conversion valve that connects to your existing water tank.

5. What happens if one of the solar tubes is broken?

The tubes are very strong and not easily broken, but can be replaced very easily should one break due to extreme conditions. They are inexpensive and available though your local�ONOSI distributor.

6. What is the payback/ROI of the system?

Depending on factors including geographic location of the system, insolation levels (amount of solar radiation) in that area and annual usage of the system, an average household of 4 can expect to recover the cost of a solar system within 4 to 6 years.

7. What is the life of the solar collector systems?

ONOSI�solar systems have a life expectancy of greater than 20 years with a manufacturer's warranty of 10 years.

8. Do�ONOSI solar heating systems require any maintenance?

Maintenance of the system is negligible; however, an annual assessment of the solar system is recommended to help to maintain efficiency levels and to help avoid potential long term problems with the system.

9. If I order a solar water heating system, what do I get?

All units are sold as a complete system with all components included to install and operate the system (excluding water storage tank).

10. How much does a solar system cost?

An�ONOSI ? model ONS-30 solar thermal system which can provide enough hot water for a family of four costs in the range of $5000 - $6000 before state and federal rebates/incentives.