Posts Tagged ‘green built’

With so many options, ratings and technologies out there, picking a window can be very confusing. Add to that, you will have your own criteria for look, comfort, energy savings and of course price. However, there are many resources out there that can make this quite easy for you. We’ll list them here:
• Energy efficient windows of any type are going to be more expensive than regular windows. This is something you will need to be prepared for. However, this one-time expense really pays off, and even your remodelling contractor will agree. Energy efficient windows can lead to money savings of 7-24% (acc. To the EPA) and in some climates, upto 40% annually. It is proven that in 2-3 years, energy efficient windows pay off for themselves.
• The kind of windows you will need depends largely on the climate in your region. Your climate impacts your heating and cooling requirements, your house design and your energy bills. In order that your windows provide you with an optimal solution, they need to keep comfortable as high as possible while keeping cost as low. Thankfully, you don’t have to do the math. This neat window selection tool on the efficient window collaborative website gives you how much you can save on different window types depending on where you live. Try it out here: http://www.efficientwindows.org/selection.cfm.
• As obvious, go for windows with the Energy Star rating or the NFRC (National Fenestration Rating Council) logo. Starting 2010, EPA has come up with improved energy star ratings for windows, which can get you tax credit of over $1,500. Make sure you check for a red label marked ‘Qualified until March 31, 2010’ which means the window was made according to the old rating system. The NFRC ratings will give you the values for the five criteria mentioned in our first post in this series and are also very reliable.

It is very evident that the larger your window, the more natural light it will bring in. Depending on the positioning of your windows, and its visible transmittance (VT) value, your windows could provide you with enough natural light to greatly minimize if not eliminate electric lighting requirements during daytime.
VT values are generally given between 0-1. A rating of over 0.70 is the highest you can get with clear glass windows devoid of any coatings or tints. The more the number of panes, coatings and tints the lower the VT value.
A high Visible Transmittance has another advantage – it eliminates the cooling function which is usually required in a house that uses electric lighting. A high VT value is especially important when a home is built using passive house principles or design.
However, one thing to consider when it comes to VT, is that a window with a high VT value, will also admit that much more solar energy (heat) inside the room. Thus, a clear glass window with a VT of 0.8 will also have an SHGC of over 0.60 – something not at all desirable in a warm or sunny climate.
To get around this, one can use Low E coatings, which are invisible, and yet block heat gain considerably. These coatings also protect indoor furniture and upholstery from the damaging effects of UV rays. Another way is to have operable windows that you can open up to air the room out frequently. Needless to say, a good ventilation system is important when you have large windows and a sunny climate.
For windows that are low on SHGC and high on VT, look for a high Light-to-Solar gain ratio. This determines how much more light is let in without adding to the heat.

1. It’s easier to install and the units are smaller than conventional duct systems. Mini splits come in different capacities depending on the area you want to use it for. However, they all require nothing more than drilling a hole a few inches in diameter through your wall. This considerably brings down you labor costs and time taken for installation.
2. It has more aesthetic appeal. The indoor fixture are usually built with very sleek design and finishing, (depending on the cost) and are come in various mounting options. For instance you will find indoor fixtures that can be installed on the ceiling, corners or walls.
3. Space friendly. The indoor and outdoor parts can have as many as 50ft between them. Thus, you could install the outer condenser somewhere inconspicuous, like the back of the house, when it won’t be an eye-sore.
4. Duct HVAC systems usually cause a certain amount of heat loss through the ducts, particularly if they haven’t been insulated well (That’s another thing – there is no insulation required with mini splits) With mini splits there’s no such issue – there’s minimal loss of heat or energy through the conduit wires.
5. The cost is comparable to a standard heat pump system. Unlike heat pumps, Mini splits only lose about 40% of their efficiency when the temp drops to zero degrees. However by over sizing the unit by 40 %,( this adds a little to the upfront cost) you will have 100% efficiency at zero degrees. Given the last cold spell we had in December, this could be money well spent.

The Eco Builders Guild \ South Sound Chapter has announced it will host the South Sound Green Tour on April 17th and 18th, 2010
The theme of the event will be Innovation – Education – Inspiration

It will be a community event to celebrate green innovations through education in sustainable building and inspired living.
This year’s tour will showcase the greenest homes and buildings in our area that incorporate significant use of solar or other renewable energies, new and reclaimed materials, low energy consumption and water conservation technologies, and sustainable design techniques.
Educational sessions will be held at various locations and feature real life topics on how to build and live greener. See our website for more details – www.SouthSoundGreenTour.com ( The site should be up and running by January 1, 2010

South Sound Green Tour is looking for participants and sponsors. If you are interested in either contact me at info@laupenhomes.com. After January we you will be able to contact us directly at SouthSoundGreenTour.com

We recently hired Todd and Kari Harris of The Stone People to install a rain water harvesting system at our current project “The Cooper House” The system is designed to collect approximately 1000 gallons of rain water and store it under ground. During the summer months the homeowners will be able to use this water for their lawn and plants. They also will use the water to feed the water fall which is part of our landscape. Here’s how it works.

The Cooper Water Fall

The water is first collected from the roof with normal rain gutters. From there each rain gutter down spout is connected to a series of drain pipes which carry the water to a filter. As water enters the filter, the first twenty five gallons runs right through the filter and into the ground. By allowing the first twenty five gallons go into the ground we get rid of any bad things the water my have picked up from the roof. Once that occurs, the ground around the filter is saturated and the filter begins to fill up with water. When the water reaches a certain level in the filter it begins to drain into an out feed pipe and is carried to the 1000 gallon tank.

The tank is just a hole we dug, which we then wrapped with a heavy rubber liner. Inside the liner we stacked crates similar to milk crates which provide the structure for the tank. We then wrapped the top of the crates with the liner to provide a continuous cover. Also in the tank next to the crates is a pump chamber were the pump that runs the water fall is located. There is an over flow drain on the tank to allow water to escape once the tank is full.

After the tank was complete we poured a concrete walkway right over the top of it. Since the creates are incredibly strong, you can actually drive vehicles over them if you choose. Our concrete is part of a walkway that takes you from the street to the front door of the house. We plan to install a bench at this spot in the walkway so you can sit and watch the waterfall if you choose.

The city of Olympia bases homeowner’s sewer bill on how much water they use. They get the numbers from the water meter. By using water from the roof for irrigation you not only cut down you water bill but also you sewer bill. Imagine the savings if we could use this same water for the toilets inside the house.