www.youtube.com/watch?v=0NLdBub1SjY

Please contact us for solar water heater system or component pricing:

Maryland Green Power Co. has been selling a residential / small commercial sized solar water heater with 64 square feet of flat panel solar collector space (2 solar panels), drainback system with drainback reservoir, pumps, controller, valves, heat exchanger and all miscellaneous items except for PVC piping which are practically FREE after Federal, State and local solar incentives are factored in.

For businesses, depreciation of this equipment can make this an even better deal.

Check your local codes: Our solar water heater can pre-heat water and send it into your existing water heater tank. Why install a separate solar water storage tank and use up extra space? If your local codes require a double-walled heat exchanger, then we’ll include it in the solar water storage tank at a small extra cost, which is essentially subsidized by incentives anyway.

Best of all, this quality solar water heating system is built in the U.S.A.

More information can be found at the Types of Solar Water Heaters article. For inquiries, please contact MGPC at: 443-864-3072, or fill out form:

In fact, a 4 square meter flat plate solar water heater is equivalent in heat production to a 3 square meter evacuated tube solar water heater.

The flat plate solar water heaters tend to be a little less expensive, making them, dollar per dollar, about equal to the evacuated tube solar water heaters from an investment standpoint.

Quoting Intelligent Energy Solutions:

An independent study by the DTI compared a number of different types of system and the panel that produced the most hot water was of the flat plate variety.

Here’s a simple and elegant solution to the problem: a reversible solar energy reflector / absorber panel which heats your rooms in the winter and cools them in the summer. In addition, it creates an air-tight seal around your windows to further improve insulation!

Many “energy-efficient” windows block solar energy, but do you really want to do that in the winter? These attractive panels help you get the best of both worlds. This might be the most cost effective solar power solution you will find for years!

Regardless of your present heating and cooling system Eco-Flector Window Retrofit can save up to 40% of energy costs and make your home or building a more comfortable place. Did you know that windows are one of the biggest energy thieves in a building? Glass is highly conductive, allowing energy losses with both heating in the winter and cooling in the summer. Glass also has a high solar radiation factor, creating uneven temperatures and unnecessary loads on HVAC systems.

Eco-Flector Window Retrofit is a see through Insulating Panel mounted to the inside of windows, doors or skylights. The panel is manufactured of a metalized, coated, polyethylene sheet laminated to a sheet of carbon graphite PVC that is then perforated and laminated to a sheet of clear polyester.

The insulating panel is reversible, so the reflective surface can face outward during the seasons when solar gain is a problem, and the carbon PVC surface can face outward during cold seasons to reflect heat back into the building and collect convective sunlight for conversion to radiant heat. The panel is held in place with magnets which form a virtually air tight seal and inhibits infiltration, conduction and convection while providing additional dead air space for insulation.

Request information on this product by calling: 443-864-3072, or by filling out our “quote request” request form here:

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For prices on solar water heaters, please visit: Understanding Solar Water Heaters

Of all the types of solar power systems available today, solar water heating is one of the most effective so far. Below you will find some links to very cost-effective solar power systems, some of which are very efficient, like the thermosiphon solar water heater which does not even need a pump!

Nevertheless, we carry not only passive and active solar water heaters, but also monocrystalline and polycrystalline solar panels with or without trackers, BIPV (Building Integrated Photovoltaic Solar Electric laminates, tiles and other materials which integrate into your home’s design and blend with your rooftop), building integrated solar water heaters (not visible from the ground) and solar absorbtion air conditioners (not powered by solar -- these solar air conditioners use a solar heated liquid to create cooling using a hydrophilic heat transfer component.)

40 Gallon Passive Solar Water Heater Uses the sun to preheat water for a standard electric or gas water heater. Save up to 20% of total household energy costs… Quoted	Thermosiphon Passive Solar Water Heater Solar Panels contain food grade glycol, which, when heated by the sun, rises up to circulate through the ceramic lined water tank, heating the water. Quoted
Rheem Tankless Gas Water Heater Eco-$mart offers a full line of energy efficient tankless gas water heaters. Rheem tankless water heaters deliver hot water on demand with a digital control system designed for highest safety and lowest energy use. Quoted	Building Integrated Solar Water Heating Installed under a metal roof during new construction or a re-roofing process, the system collects the sun’s energy as heat, which is then conducted by the metal roof into a proprietary collection system. Quoted

Pool Heating

Enersol Solar Pool Heating Kit The Enersol solar pool heating system is simple, clean, easy to install, virtually maintenance free, and most importantly -- it works. Do-it-yourself installation kit available. List: $258.00 Eco-$mart Price: $215.00

Solar Attic Pool Heater Heat exchanger that cools your attic while heating your pool. No roof-mounted panels, efficient and quiet operation. Fully automatic system with controller.

Solar Power for 2 Dollars per Watt!

Like I mentioned in an earlier posting, current retail costs for installing solar power are running about $ 8.00 per watt installed.

April 2009 Update -- Wholesale solar panel prices are approaching this level in the general market. Maryland Green Power Co. and Eco-$mart can supply solar panels from our preferred suppliers for under $ 3.00 per watt on large projects.

Please also contact us for pricing on solar trackers, which can increase solar energy output by up to 40% for a fraction of the cost of solar panels.

Sunfri Claims to Develop Solar Power Cell Producing Electricity for 5 Cents per kWH

An interesting claim, but I always considered the measurement of solar power production cost in terms of kWH to be confusing, since solar power is actually produced at a cost of ZERO kWH. After all, solar power is free.

It would be more meaningful to discuss the materials and installation cost of solar power per kW, not kWH. For example, we sell Photovoltaic (PV) Solar panels at a cost of about $ 3.40 per watt at the time of this blog post, but solar pv prices are free-falling now thanks to a glut of Chinese solar panel production.

To repeat, the system is sized by rated power in kW (kilowatts), not in kWH (kilowatt-hours), which is a billing measurement. More accurately, solar power PV generation is always dc current, so panel size is specified in units of watts of dc power. AC watts are measured after the inverter which converts dc power to ac power. This measurement is inevitably smaller due to unavoidable inefficiencies in power conversion.

If solar power panels were engines, kW would translate to horse-power output, while kWH would correspond to miles driven. (The engineering purist will want to provide a correction such as average horse power generated multiplied by number of hours driven, which better reflects the work done by the engine over time, but let’s stop now before this gets really boring.)

Anyway, I read somewhere that another company will soon be selling solar power panels at a price of $ 1 per Watt, or about 1/4 the materials cost of the typical system today. They have supposedly sold out their first year’s production, and are capable of producing about 480 MW of capacity per year.

That should take a big dent out of the fossil-fuel based production, if it’s true!?)

Nevertheless, this news will soon become passe, as solar panel over-production (or under-demand in this economy?)  will bring crystalline (poly and mono) prices down below $ 3.00 per watt sometime in 2009.

If you are paying more for solar panels, you might want to contact us for a solar quote.

To get the full benefit of government subsidies and assistance, you should also visit:

Federal Energy Project Incentives

Some of your energy projects like solar power, wind generation or geothermal might even wind up being almost free in some States.

Check out the site, and contact me if you have any questions:

DSIRE Website

You can contact me through my main energy saving site.