Sunday, November 27, 2011

Ductless Heat Pump Facts and Figures

!±8± Ductless Heat Pump Facts and Figures

These days, watching your spending is a big deal. The economy has taken a big dip, but this is not always a bad thing underneath the surface. The economy has opened many people's eyes to the more important things many of us have overlooked. For many, the recession has shown them ways to generate money from their current infrastructure by changing things that are incredibly inefficient such as their boilers and heating resources.

Spending too much on inefficient boilers, heaters, and heat pumps is something more than a rational amount of people have simply taken for granted thus felt powerless to change it. With the economy forcing people to find ways to save money, many have revisited the main drains on their wallets. For many whom are using electrical heat generating concepts, a simply change to gas, oil, or the ductless heat pump can bring a significant amount of savings.

The economy will bounce back eventually, and although many suffered the wrath of the recession, they will no doubt come out of this ahead. The money you can save, for example by using a ductless heat pump over a duct system could be significant as you may come to realize that you can get the same heat without all the extra unnecessary equipment. If the ductless unit will produce and distribute the needed heat without first pumping it into the ducts and losing all that heat that gets trapped up there, then you will have gained a better posture and a more efficient system- not to mention a much cheaper way to go!

For many, their current system was there when they moved in and they never questioned weather or not it was overbearing, or inefficient. Today, these same people who would have never taken a second look are now experimenting and learning that there truly is a better more efficient, less expensive way. The same goes for people building on their current foundation.

If your home uses a duct system, an electric heating concept, and you add a room or a new wing to your home, chances are you will add more ducts to append the current system. This may not at all be necessary, in fact if it's too far away from the heating source, this may be a bad idea. Using a ductless heat pump in this room may be far more effective, less expensive, and requires no additional expense putting in the ducts!


Ductless Heat Pump Facts and Figures

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Tuesday, November 22, 2011

Solar Hot Water - How Does It Work?

!±8± Solar Hot Water - How Does It Work?

Solar Hot Water

A lot of folks out there think of one thing when they hear the term "solar power". They think of electricity. Actually, two kinds of solar power exist - solar electric and solar thermal. Solar electric uses photovoltaic (PV) panels that transform light photons to electricity. Solar thermal heats water.

Solar thermal has many uses. It can be used to heat the water that is used for showers and laundry. It can be used in a radiant heat system to heat floors or living spaces. It can also be used to heat swimming pools.

How Does It Work?

There are many different types of solar thermal systems, so for the sake of simplicity we will discuss a simple drainback system. This system consists of solar collectors, a heat-exchange tank, a pump, and a controller. Solar fluid - in this case, tap water - resides in the heat exchange tank (that looks like a traditional hot water heater) and is pumped up to the solar collectors on the roof (or wherever the panels are located - they do not HAVE to be on the roof). The collectors have hundreds of feet of tubing inside them in which the water is circulated. When the sun shines on the solar panels, the water in the tubes in the collectors gets very hot and returns to the solar heat exchange tank. The domestic water is pumped through a coil of copper tubing and this coil is inside the solar heat exchange tank. The heat from the water in the tank is transferred to the potable water in the coil of copper tubing, heating the domestic water that is later used for household processes.

Solar thermal has a much quicker payoff than solar electric - usually 5 to 7 years. It is especially effective where a large concentration of people reside, like a dormitory, fraternity, sorority, or even a jail. These examples tend to be the most popular installation sites for solar hot water systems. The system configurations for these types of locations usually consists of one 120-gallon solar heat exchange tank with a pump and controller, and four or five 4' x 10' solar collectors.


Solar Hot Water - How Does It Work?

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Wednesday, November 16, 2011

Revealing of East Leake Sunboxes.mov

The Surya Sunboxes at East leake. These are black solar collectors inside polycarbonate boxes. - feeding heat into two 60m boreholes, to serve the ground source heat pump. Peeled off Nov 10, and uploaded Feb 11 the whole thing is speeded up 8 times to save your time in viewing.

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