Posts Tagged ‘ Weatherization ’

Discover the Solutions for Drafty Uncomfortable Homes

February 1, 2011
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The energy efficiency movement is starting to impact the awareness of how the indoor conditions of an existing building can be greatly improved. Homeowners who once dread the winter months and thought that they had to live with the pain of a drafty uncomfortable home are now increasingly seeking to improve these homes.

This search often brought homeowners out into the marketplace looking for solutions and the best professional help. As a result, we are seeing the most solid growth rate in weatherization services in recent years, local companies that position themselves as the brand to trust are experiencing the most explosive growth. Indeed, some spare no media opportunity to publicize their service and are bold in the assurance that the benefits of weatherization services are the improved comfort, health and efficiency of your home. Homeowners, it appears, are getting the message and are acting on it.

We have also been listening and acting, here is what we recommend and you should expect from your contractor. We know that regardless of the term that is used to describe the process, weatherizing your home is the surest way to improve its interior comfort and efficiency thereby alleviating the stress of the approaching winter. We believe that, the execution of the following basic three-step process of sealing (air sealing and duct sealing), insulation and venting when well coordinated produces optimum results in improved indoor environment.

Sealing leaks

In the first step your house is sealed off from the outside air. A blower door test will find out exactly how much conditioned air is being lost to unconditioned space. Once this is determined, work crew will seal off the house and the duct work from the outside air. This is done through the application of a variety of techniques and an array of products including foam board, expandable foam, duct mastic, caulking, and other specialized products.

Insulating

In the second step insulation is applied in your home is to stop heat from escaping. This is done with the use of various insulation products, but blown cellulose is a primary choice and is deposited in attic and exterior wall cavities. Cellulose is made with recycled newspaper treated with a fire retardant. again, cellulose is used as it has superior insulating and air blocking properties than other option such as fiberglass.

Ventilation

In the third step, at a minimum, the venting system must be checked to ensure proper venting of high moisture areas such as kitchen and bathrooms. Proper venting means that these areas are vented to the outside to control the moisture out put from cooking and showers. In addition, to conclude the weatherization project a final blower door test is recommended to provide quantitative evidence of the before and after conditions. However the real evidence to many contractors is often the many satisfied homeowners who are now proud members of their referral team.

In brief, weatherization, the three-step process of sealing, insulation and ventilation is designed to improve the comfort, health and efficiency of your home with the added benefit of saving you money on your utility bills throughout the year.

Retrofitboston.com is produced by the management of Caledonia Construction Co., Inc.

The New Rules of Home Improvement

January 25, 2011
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Many homeowners are beginning to recognize the higher standards that are being demanded from home improvement contractors.The new rules of certification, accreditation and independent verification have complemented well the old ways of selecting a contractor so that the two established a benchmark that bodes well for the professional perception of the industry. It is not a coincident that in 2010 credentialing and training organizations have achieved their highest growth rate in recent years.

I believe that a profound shift is taken place in the home improvement industry. This shift has embraced certification, accreditation and independent verification as the new rules of doing business. As a contractor who has been in the business for many years, for me, this shift means one thing – a chance to dominate a market by showcasing a brand that understands and welcomes the new reality. Indeed, homeowners are beginning to demand this higher standard of training and perceived credibility to measure value. And, the surest way to achieve this is by checking for (vividly transparent because of social media) the credential of companies and the skill of their people. Now, besides the old ways of relying chiefly on word-of-mouth recommendation, customers will be able to more independently check for and measure the training and professional underpinning of a company. This is quite a significant development in the home improvement business brought on by dramatic emphasis on energy efficiency improvements in building.

The Federal government and large utility companies have contributed to this by providing tax credits and purchase rebates respectively for energy efficiency improvement initiatives. States have seized on these opportunities and have enacted changes to their building codes to encourage higher efficiency standards in building. The State of Massachusetts for example, has enacted the ‘Stretch Energy Code’” which its cities and towns are adopting to promote energy efficiency improvement to their building stock. The execution of these strategies create jobs, save money on utility bills and decrease the Carbon output to the environment from buildings. The savviest of small home improvement contractors are using these new rules to improve their companies’ image to portray a well trained professional operation. The majority of the buildings in the nation are in need of some sort of energy efficiency improvement, if we are committed to improving our building stock then the adoption of these new rules are just the start of the revolutionizing of the home improvement industry.

To be clear, the changes that are taking root are a result of the budding Home Performance Improvement industry that is taking shape and which is buttress by the Building Performance Institute (BPI), a national credentialing and training organization. Indeed, I believe two things:  One, this is setting a new benchmark for the professional assessing of the home remodeling industry. Two, brand recognition will be an important criteria in selecting a home improvement company. The companies that recognize this and make the necessary positioning adjustments will be the winners.

All in all, these new rules that are required to operate a professional home performance improvement entity will no doubt usher in a change in the negative perception of the the home remodeling industry in general.

Retrofitboston.com produced by Caledonia Construction

The Effects of Energy Efficiency Home Improvement

December 9, 2010
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If you own a home that you sometimes find draughty and expensive to heat – then you could benefit from carrying out energy efficiency home improvements. An energy efficient home is not only more environmentally responsible, it is also much more economical in the long run. When you take steps to stop air leaks and improve the insulation in your attic, basement and walls, these steps can mean your house stays warmer and you are more comfortable through the winter months when those cold winds seem to seep in from the outside. Be assured, steps taken to improve energy efficiency is likely to be far more beneficial than you realize particularly in an older home. Indeed, effects are likely to be as far reaching as helping to create a viable home performance industry while improving our environment.

What is energy efficient home improvement?
Energy efficient home improvement is about creating a home that is comfortable and uses less energy to heat and cool, because it is well sealed against air leaks and well insulated against heat transfer. When a home is poorly insulated, the use of a heating system can be undermined by loss of heat through lack of insulation in the walls and attic, poorly fitted windows and doors that let in draughts and so on. By taking measures to correct these problems, you’ll be able to improve the energy efficiency of your home – and that can mean significant savings on energy bills.

The following are some of the ways in which you can improve the energy efficiency of your home:

Diagnostic Tools
The best way to address problems in older homes or homes that have few energy efficiency measures taken during construction is through running some diagnostic tests to find the home’s ‘weak points’ when it comes to energy efficiency. These tests can assess how tightly the home is sealed and pinpoint the locations where hot air is escaping from the home. These tests examined areas such as ductwork systems, attics/roofs, basements, exterior wall cavities, utilities entry points and so on. Ultimately, the tests will determine how efficient or inefficient for that matter your home is; whether you have draughts that is allowed to come in unhindered, whether or not you have insulation in your attic or walls and whether you have insulating windows and well sealed doors etc.

Window insulations - When you have windows that are not insulated, you can experience loss of heat in two ways. First, if your windows are older (such as on a traditional, character home) then you may get heat loss via gaps or spaces around the window. Second, the home may have single glazed windows which lose heat via heat transfer. The Repairing or replacing of older windows with energy efficient ones can help to prevent further loss of heat; which in turn can improve the comfort of your home. To address the second issue, you may opt to have the windows double or triple glazed (using heat reflecting glass), or have polythene insulation installed to help minimise heat transfer and keep the maximum amount of heat inside your home. Other applications such as heavy drapes across the windows during the winter can also further reduce heat loss to the outside.

Door insulations - If you have glass doors, then many of the same principles apply to insulating these as you would your windows. Additionally, draught proofing or weather stripping is one of the simple things you may want to consider when air sealing your homes; Preventing draughts from entering rooms also means preventing heat from escaping. These applications are quick and simple to install and they can make a big difference to your home. It is also possible to carry out improvements to your home by having insulated outer doors installed by a professional. Some of these doors are solid, sturdy doors that will help to reduce heat loss because they contain insulation within their core.

Air sealing - This process refers to the sealing of the less obvious draft spots in the home. If you have a draft under a door, you may be able to stop it with a weather strip, but a significant amount of heat loss can take place via gaps and holes in basements, crawl spaces and attics or lofts. In order to eliminate heat loss in these locations, it is worthwhile to hire a contractor to assess your home for leakage, carry out sealing around areas where leaks are identified is very essential to improving the home’s energy performance. A professional can seal your home quite tightly to improve energy efficiency and prevent loss of heat from these locations.

Duct sealing - If you have reverse cycle air conditioning ducted system in your home, there is a possibility that you will experience issues of heat loss via poorly sealed openings, gaps around the seals of the ducts and so on. If you have an older home that is prone to be draughty, then chances are you are letting a lot of money slip through your fingers, heating a home that is releasing a large proportion of that heat outside conditioned space. The long term cost of this could be significant when compared to the ease of sealing leaky ducts. A professional home performance improvement contractor can help you assess the loss via the ducts and other areas and can help you to correct these problems without inhibiting the function of the system.

Roof/Attic - Insulation in the attic is one of the most effective insulation procedure; helping to keep the warmth in during the cold months and the heat out in the hot months. If you insulate your attic you would be creating one of the most important cost savers for an energy efficient home,for heat loss through the attic can account for up to 20% of the loss of heat from the home. Insulation products for the roof can include traditional fiber glass or you may opt for a more environmentally friendly option such as cellulose which is semi-pulverized recycled newspaper treated with fire and mold spores retardants. This works more efficiently than the regular fiberglass insulation when dense pack, in addition its production is less damaging to the environmet as it is biodegradable.

Basement Walls - After the attic, the basement is the next most important area to air seal and insulate to achieve the greatest energy savings…the transfer point between the foundation and the walls is notoriously leaky. Like the top of a house, the bottom also, has a great amount of pressure pushing air in and out.

Wall insulation - Wall cavities in your house can act in a similar way to double glazing, dense packed these cavities with blown-in cellulose insulation and boost the energy efficiency of your home. Some new homes may have been built with energy saving measure already in place, however older (existing) homes all across the country may have to have this done to achieve desired energy efficiency.

Why energy efficiency matters?
Home energy efficiency improvement matters and should be aggressively pursued because of its obvious job creating potentials, its long term viability as an emerging building performance industry and its increasing importance in the drive to reduce green house gases. The current job market is clearly in need of a ‘shot in the arm.’ There is little doubt that energy-efficient building improvement has the explosive job creating potential that is needed now to help right this economy. Indeed, low income communities all across this country are full of unemployed people who could easily be trained is the relatively low skilled weatherizing techniques.The construction industry, for example, which has loss over 20 percent of its workforce since 2008 would find the strong committment to energy retrofit a welcome development. In addition, innercity neighborhoods where older in-efficient buildings are often the dominant building stock provide a perfect ‘ecosystem’ of desirable buildings and worker pool. Cities such as Boston in the Northeast United States has gotten the message and has embark on the quest to find how to best capitalize on this opportunity.

The long term viability of energy efficiency as a building performance service is attractively promising because of two main reasons. One, to achieve any plausible reform in our national energy policy, this has to be a fundamental piece of the equation. It is becoming clearer that the government recognizes this and is inching its way forward. Cities across the country are brainstorming for creative programs to solve this building energy in-efficiency problem. The city of Boston has a proposal on the table to infrared scan all the buildings in the city to test for heat loss. Two, The national building stock, residential and commercial, is wofully energy in-efficient and must be improve or we will continue to throw money out the window and pollute the enviromnent, clearly, unsustainable options.

Beyond the considerable potential for immediate job creation and the creation of a new industry with all the social benefits attached, reducing climate pollution is an important bi-product of energy efficiency improvement. According to the Pew Center on Global Climate Change, buildings account for about 43% of the total carbon dioxide emissions in the U.S., compared to transportation 32% and industrial 25%. The interesting fact is that activities to improve building energy efficiency are among the most cost effective among alternatives to lower green house gases. The truth is, a homeowner choosing to improve his/her home energy efficiency is in fact contributing to solving the fundamental environmental, social and economic issues of our time.

Why should homeowners care about energy efficiency?
As a homeowner, carrying out improvements to ensure energy efficiency can quickly start to return the money you’ve out-laid. When you air seal,insulate and improve the envelope of your home correctly to prevent the loss of heat, it is effectively cutting out wastage. You wouldn’t go to a store for basics like bread and milk then throw 20% of it out. The fact is you’re ‘throwing out’ a huge amount of your heat Without weatherization and other energy efficient home improvements. If you don’t like the idea of wastage and you don’t want to continue throwing away your money, then you should give serious consideration to having your home weatherize. The correct installation of energy saving insulation in your attic and basement alone can reduce your energy bill by around 20 percent or more; add that to the money you will save by having air sealed, and installed insulated windows and you’ll quickly see that those savings stacking up. A simple way to get started with making energy efficient improvements to your home is to contact a professional. An experienced home performance improvement contractor can run a series of diagnostic tests to measure your home’s efficiency and how tightly it is sealed. Armed with this information, you can then take the steps you must to improve your home’s efficiency in order to start saving the maximum amount of money while enjoying a more comfortable, healthy home.

What Is Weatherization?

November 6, 2010
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Weatherization is primarily a two step process designed to both save money on heating and cooling, and perhaps most important to keep your house comfortable throughout the year. Before the processes get started, a blower door test is done to find out exactly how much conditioned air is being lost to unconditioned space.
Sealing leaks
Once this is determined, the house and the ductwork are first sealed off from the outside air. This is done through a variety of techniques and an array of products including foam board, expandable foam, sheet metal, duct mastic, caulking, and other specialized products.
Insulating
The second step is to insulate the home to stop heat transfer. This is done with the use of various insulation products, primarily blown cellulose in the wall cavities of existing buildings. Cellulose is made with recycled newspaper treated with a fire retardant. It has excellent insulating and air blocking properties when dense packed.
To be meaningful, the process must conclude with a final blower door test to provide quantitative evidence of savings.
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Getting to know Building Retrofit

October 26, 2010
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Definition of Building Retrofit
The basic definition of building retrofit is the improvement of the infrastructure of the building to increase its energy efficiency, comfort, safety, health and durability. This could include improving building components, building operating systems and equipment, and installing energy efficient appliances.

Why the Need for Building Retrofit
Buildings account for about 40% of the total energy consumption in the US according to the Department of Energy, which is why policies are being debated by the Federal government to enacted laws to ensure that buildings becomes more energy efficient. States governments searching for ways to better manage costs are already making changes to their building codes to facilitate more energy efficiency construction and improvement to existing buildings.
It is clear, energy efficiency solutions for our homes are no longer an individual crusade. The government has come forward to initiate ground breaking changes to allow homeowners and commercial property owners to adapt more environmentally friendly and energy efficient solutions which help them save money through better utilizing of energy resources.

Why the Government Cares about Building Retrofit
Building retrofit is being promoted by the government because it is unique in providing, as a package, solutions to three far-reaching fundamental priorities, economic development, environmental protection and social goals.
In an effort to achieve these priorities (which I will expand in another post) the Federal government in the short run is providing funding to state governments to carry out retrofit programs while it debates building retrofit priorities in its long term energy policy. In addition, the Federal government is encouraging individuals to adapt energy efficient solutions by providing a dollar for dollar tax credit (up to $1,500) for energy efficiency home improvements.
It is becoming more apparent that government policies are inching towards a long over due comprehensive solution to the nation’s growing energy problem with building retrofit an integral part of the equation. If the government cares, it is therefore logical to assume that laws and penalties to ensure that buildings meet a certain standard of efficiency are to follow.

The bottom line for Retrofit
Building retrofitting scaled up to achieve wide spread participation, claiming the optimum energy efficiency, becomes the foundation on which sustainable and renewal energy are built. The fact is while 40% of energy consumption is through buildings; most structures have not been built for energy efficiency, retrofitting a standard building can realize energy saving that could reduce the adverse effect on the environment