This article will answer the next kinds of questions about selecting and installing a photo voltaic water heating system in Seattle.

1. How does a photo voltaic water heater work?
2. Does Seattle get sufficient sun to power a solar water heater?
3. Can you rely on solar energy to supply enough hot water all the time?
4. What are the primary benefits of going solar?
5. Is photo voltaic water heating cost-effective?
6. Are there rebates or tax incentives for going solar in Washington state?

Most of us were raised on sizzling water methods that have been powered by electricity, natural gas or oil, and we take for granted having to purchase fuel to heat water for our homes and businesses.

Why not think about solar water heating, where the gasoline is free! Here are some answers to ceaselessly asked questions about solar systems.

Q What is photo voltaic water heating?
A Solar hot water programs use the direct heat and vitality of the solar to warmth water. No electricity is generated on this process (unlike a photovoltaic or PV solar system), it’s just straight heat and energy from the sun that feeds into your water heater.

Q How do photo voltaic water heating systems work?
A Solar water heating systems have two foremost elements: storage tanks and photo voltaic collectors, and either one-tank or two-tank systems are available. In one-tank systems, heat is collected from the solar in the identical tank the place the water will likely be stored for use. In two-tank systems, the collector tank preheats water or another liquid earlier than it transfers heat into the traditional water heater.

Q What different types are available?
A There are two kinds of solar water heating systems: active systems which have circulating pumps and controls, while passive systems rely on gravity or syphoning to maneuver the heated water to where it’s needed.

Q Can I use solar energy to heat my swimming pool?
A Yes! The know-how used is barely different than for dwelling use, but solar swimming pool programs are available.

Q Will photo voltaic water heating at all times provide enough hot water for our needs?
A Yes. Most methods have a built-in backup system for occasions when the weather is cold and cloudy or you’re using more sizzling water than usual. Typically they are connected to an energy supply such as fuel or electricity that’s activated when the water temperature falls under a minimal temperature that you set.

Q If I have to use back-up vitality sometimes, is this sort of system price installing in a rainy local weather like Seattle?
A Germany is the present world chief in solar installations and they have even less sun than Seattle, so yes! And Seattle gets a “Good” ranking from FindSolar.com.

Q How much does a solar water heating system cost?
A Between $6,000 and $8,000.

Q Is a solar water heating system right for everyone?
A No. You have to own your home, have a good quality roof that gets full sun, and be keen to make a long-term investment in order that you’re certain to get well the costs of putting in the system.

8 reasons you must consider investing in a solar water heating system:

1. The fuel is free!
2. You are protected in opposition to rising vitality costs.
3. By transferring away from fossil fuels and the greenhouse gases they emit, you might be reducing your “carbon footprint” and helping to guard the environment.
4. It will increase the value of your home.
5. It pays for itself in as little as eight years by fuel cost-savings. And once it’s paid for, you are getting free scorching water!
6. There is not any sales tax charged in Washington State until 2011.
7. It’s eligible for a federal tax credit score equal to 30% of the system cost.
8. Maintenance on simple systems might be as rare as each 3-5 years.

How to choose the right system:

When selecting a photo voltaic water heating system, keep these components in mind:

o Make sure the overall economics work on your situation.
o Investigate the system’s power efficiency.
o Evaluate how a lot solar energy you’ll get on your site.
o Calculate the best system size in your needs.
o Familiarize your self with regulations, building codes and covenants in your area to make sure you’ll be in compliance.

Factors to consider when choosing a contractor or installer:

1. Are they skilled in dealing with solar water heating systems?
2. Can they supply references or testimonials from previous jobs? There’s nothing higher than concrete proof from earlier customers to reveal that a company knows what they’re doing and are there to take excellent care of you.
3. Are they licensed or certified?
4. Have you gotten a number of quotes for the job so you could be sure you’re getting a great deal?

There’s much more to explore about photo voltaic water heating, so check out Wikipedia on solar water heating and Solar.org to get started.

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