Solar Water Heater Efficiency Calculator

Select the appropriate fuel type from the drop down menu.

Solar water heater efficiency calculator. The average efficiency level and fuel cost is provided but can be changed to match your conditions. Future electricity price trends and a discount rate of 3 2 are based on federal guidelines. Solar hot water system calculator. Annual energy and cost savings are calculated based on the current hot water heater fuel type fuel price and water heater efficiency level.

The solar energy factor is defined as the energy delivered by the system divided by the electrical or gas energy put into the system. Lifetime energy cost is the sum of the discounted value of the annual energy costs based on assumed water heater life of 13 years. The solar fraction generated are based on compliance with the building energy efficiency standards and should not be used for any other purpose. The objective of using a solar thermal calculator is to determine the size cost and eventual cost savings of the solar thermal system you will need based on your hot water requirements and access to the sun.

The investment tax credit also known as the federal solar tax credit offers a credit equal to 26 of the costs of installing a solar water heater. California f chart has been designed to calculate solar thermal water heating contributions for built up solar systems. So let s say your solar water heater costs 5 000. Use the solar energy factor sef and solar fraction sf to determine a solar water heater s energy efficiency.

Base model has an efficiency that just meets the national minimum standard for gas and electric water heaters. With yield calculation based on the solar simulation programme design and simulation of a system results. Solar thermal water heating calculators. Irradiation system yield solar fraction efficiency co savings.

Solar water heating calculation for built up system the title 24 solar water heating calculator is designed to calculate solar thermal water heating contributions for built up solar systems. For calculations of hot water requirement and sizing of solar water heater system a software was designed in india to help any resident to calculate their solar water heating system needs. The higher the value the more energy efficient the system. You ll receive a tax credit of 1 300 bringing the total cost of your system down to just 3 700.

Solar energy factors range from 1 0 to 11. The calculator at present is designed to calculate the approximate size of the collector and the storage tank of a solar system for individual residential.