The Clean Air Act Blog: Posts Tagged ‘Lake Oswego’

When Should You Check Your AC Filters?

Monday, July 2nd, 2012

The filters on your Portland air conditioning unit are vital for keeping out the dust and debris that make things like illness, allergies and air quality worse. And it’s important that you take personal responsibility for checking those filters. Sure, you have a Portland air conditioning professional visit your home once a year to check the air conditioning, but you should also check the system yourself on a semi-regular basis for possible filter degradation.

Monthly Checks

So, how often should you check? Think of it this way. There is no such thing as checking too much, but you can easily not check often enough. So, we recommend checking your filter at least once every 4 weeks. It may not always need to be changed during that four week checkup (sometimes it can last 6 weeks or longer), but it’s good to take a peek.

Why is this so important? Because filters that haven’t been checked and changed as needed have a habit of building up excess sediment and debris. Not a problem when it comes to actually working, but a huge problem when it comes to your energy bill. The harder a system has to work to keep you house cool, the more energy it draws and the more you pay to have cool air in your home. And it will break down much faster as a result of overwork and dirty filters.

Changing an AC Filter

If your filter is ready for a swap, here are some quick tips to get the job done:

  • Find Your Filters – If you don’t know where your filters are, ask your contractor on the next visit or look near the return grills by the thermostat.
  • Remove the Filters – Open the latches and pull the old filter out to check it. You should be able to see clearly through a permanent filter and a disposable one should still be white. If this isn’t the case, it’s time for a cleaning/replacement.
  • Clean the Area – Clear the grill and area of any debris and sediment that might make the filter worse after replacement.

Proper filter maintenance only takes five minutes and it will save you money every month you run your Portland AC – not a bad deal for a few minutes’ work. For any more information about air conditioning system maintenance, give Clean Air Act a call!

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Federal Energy Efficiency Rebates for Aurora HVAC Upgrades Explained

Monday, June 11th, 2012

You’ve probably seen the advertisements and heard the sales pitches. Upgrade your air conditioning in Aurora, furnace, water heater, or insulation and receive a federal rebate on your taxes for a percentage of the installation cost. The government is seriously invested in improving the energy efficiency of the country, cutting electric bills and helping people stay comfortable. Here’s a quick look at some of those rebates and how you can tap into them.

Energy Efficiency Credits

There is a standard tax credit of 10% of the cost up to $500 or a specific amount between $50 and $300 for any upgrade made to your existing home for heating, ventilation, air conditioning, insulation, roofs, or water heaters. These upgrades must be made on an existing home in which you currently live – rentals and new construction homes are not eligible.

Green Energy Credits

Even better credits are available if you plan on installing a geothermal heat pump, wind turbine or solar system – either PV panels or solar heating. The tax credit here is 30% of the cost with no upper limit. This applies to any existing or new homes and can be applied to both primary and secondary residences.

Are the Tax Credits Worth It?

The big question is whether these credits are worth the investment in a brand new system? For the most part, it depends on your particular situation. If you have a 30 year old furnace and are planning on an upgrade anyways, why not take advantage of a nice rebate and get a more energy efficient system to go with it? However, if you just replaced your furnace three years ago and it works very well with a high energy efficiency rating, it might not be worth the investment.

Learn More

The Energy Star program run by the EPA contains detailed breakdowns of the 2011 tax credits, including what systems are eligible and how to go about claiming them on next year’s taxes. Learn more by calling The Clean Air Act Inc.

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Consider This Before Going Thermal In Your Home

Tuesday, May 29th, 2012

With energy costs rising and supplies dwindling, people are taking much more serious looks at alternatives that in the past have seemed unfeasible and too “weird” to realistically contemplate.  One type of heating and cooling appliance that is gaining popularity in Portland is geothermal heating and cooling.

Plentiful beyond imagination just ten feet below the surface, geothermal is being used to provide more than 30% of Iceland’s electrical needs and it is fast becoming a viable option to provide heat and electricity for your home as well.  Before digging straight down, however, it is important to look around and consider some important points.

Geothermal 101

Thermal energy is a force that is produced from the movement of warm temperature to cooler.  The term “geo” is from the Greek word for Earth.  Geothermal energy is the unlimited resource of power that is the result of the formation of the Earth billions of years ago (20%) and the on-going process of melting rocks nearing the core of that heat (80%).

From harnessing the energy of hot springs in ancient times to technological advances to create electricity today, geothermal has long been considered, but often was ruled out as an expensive and unnecessary alternative to other cheaper forms of energy.  Now that those are harming the environment, more expensive and harder to get, geothermal has grown attractive.

Location, Location, Location

Difficult to retrieve from deep within the Earth, geothermal is most often considered for large production where natural breaks in the crust such as volcanoes, hot springs and faults are close to the surface.  Just ten feet below the surface, however, there is enough temperature difference to make available enough to efficiently supply a home.

Still, it’s not a guarantee of success, however.  The density of the bedrock, the water table and the balance between extreme hot and cold temperatures with the temperatures of the thermal energy are all factors to be considered.

Dollar for Dollar

For new construction, geothermal is a great alternative because after the more expensive installation, the cost from month to month can produce enough savings to quickly pay for the system.  The savings are potentially so significant, there are situations where the cost of replacing an old inefficient conventional system can be neutralized by the savings in just two to ten years.

Beyond cost and feasibility, the comfort level is a major consideration.  One of geothermal energy’s major attractions is that to help save the Earth, it offers a better way to tap into the Earth.

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How Animal Dander Affects Indoor Air Quality

Monday, May 7th, 2012

One of the single most common indoor air quality pollutants in Gladstone is animal dander. The flakes of dead skin, fur or feathers produced by pets and outdoor creatures can be an allergy nightmare for millions of people. Even those without allergies tend to be less comfortable in spaces that have animal dander issues. Here are some things you should know about animal dander and allergies.

What’s the Issue?

Dead skin from dogs and cats is the biggest problem, with 27% of US homes having cats and 32% having dogs. Cats are a much larger allergen producer however. The number of allergy related complaints among cat owners is twice as high as that of dog owners according to the American Lung Association. Male cats are slightly worse than female cats as well. Don’t forget either that fur is not the primary source of dander. Dead skin, dried saliva and even specs of dried feces can contribute to indoor air quality issues. So, short haired cats or dogs are not any better for your home.

Another thing to consider is that pet dander is suspended in the air much longer than any other allergen because of how light it is. We’re talking about days of suspension, after which it settles into carpets, furniture, clothing and anything else with enough surface area to attract the dander.

Health Problems from Dander

For those allergic to animals, pet dander is an instant irritant. Just walking into a home in which a cat or dog is present can have an instant negative effect – including anything from coughing and wheezing to a runny nose or chest constriction.

Unfortunately, the easiest way to remove pet dander is to remove the pet and for severely allergic people, this is usually the only option. For others, however, there are some things you can do. You can remove the allergens themselves with high powered indoor air cleaning or filtration. You can also set aside areas in the house that the pet is not allowed into and take steps to make sure pet dander doesn’t get into the air supply for that room.  For more information about indoor air quality solutions please call The Clean Air Act

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How Do I Get More Fresh Air in the House During the Winter?

Monday, April 16th, 2012

Winter is a real bummer for many Welches families. It’s cold and dark outside and to top things off, you have to keep your home sealed up nice and tight so the warm air produced by your boiler or furnace doesn’t escape. Not a lot of fun. Luckily, there are solutions to help your indoor air quality in Welches. Which solution you choose will depend on a few factors, however.

The Simplest Way

The easiest way to get fresh air is to open a window. Unfortunately, it is also the most expensive way. After all, the air outside is cold and by opening a window, you force all the air you just heated outside. Most modern heating systems can compensate for the energy loss, but it will cost you quite a bit over the course of the winter to heat not only your home, but your backyard.

That’s why there is so little circulation in the winter to start with. The need for effective insulation and weather stripping to reduce energy use and fuel costs led to increasingly sealed up homes.

Ventilation

So, ventilation is the next best option, and while there are fans and exhaust options that allow you to circulate air into and out of your home, the most cost efficient way to do so is with a heat recovery ventilator or for those with humidity problems, an energy recovery ventilator.

These devices contain advanced heat exchangers that will transfer the heat from your indoor air into new air as it is brought into your home. As fresh air is transferred inside, the heat is passed from indoor air to the outdoor air via a heat exchanger. By retaining the heat with a recovery ventilator, you keep your energy bills low and your home filled with fresh air.

The best part is that this same technology works in the summer if you want to let in a little fresh air on a sunny day. Instead of pouring all of that cool air conditioned air outside, you can simply use an energy recovery ventilator to draw heat out of new air as it enters your home. Heat and humidity stay outside and you stay nice and cool.

There are quite a few types of energy recovery ventilators, ranging from simple heat only models to advanced heat pumps that will gather lost heat from throughout your home. The size of your home and the climate in which you live will determine which the best fit is for you.  If you have questions call Clean Air Act

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How Tightly Should You Seal Your Home?

Thursday, March 22nd, 2012

More and more products, like high velocity heating systems, and solutions are available to Welches residents these days to help seal our homes off from the outside world. The idea is that by keeping outside air out, our homes are more energy efficient and healthier, because all pollutants and pathogens are barred from entry.

This is a good idea in theory, but it can have its drawbacks. Most notably, sealing your home up too much can be bad for your family’s health. If your home is sealed too tightly such that there is not enough air flow from within the home to the outside and vice versa, then the indoor air just…stays indoors.

That means that all the sneezes, coughs, dust, dander, smoke and carbon dioxide stay inside with it. All that stuff can make you sick, completely flying in the face of your efforts to stay healthy by sealing your home.

Now, that’s not to say that sealing your home is a bad thing. Using LEED glass in your windows does keep heat in and increase heating efficiency. Air cleaners do help eliminate pollutants and pathogens from the outside than can make you sick. Good insulation and intact ductwork do help keep your home comfortable and efficient in both the cold and hot months.

So, sealing your home is not a bad idea. The trick is to not go overboard and seal it up so tightly that you are crossing the threshold from having a healthy home to having a giant Petri dish. You want to have a home that is insulated, but not vacuum sealed. You want a home with filtered air, but still plenty of air exchange with the outside world.  Thankfully, mechanical ventilation is a way to both keep your home energy efficient and keep your indoor air from getting stale.

To help you with this endeavor, there are guides available online, such as at the ENERGY STAR website. In addition, it is a good idea to call The Clean Air Act and ask plenty of questions when building a new home or making improvements to your current one. A qualified technician will know how to insulate and ventilate your home properly to protect your family’s health.

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How Do Electronic Air Filters Work?

Friday, February 10th, 2012

For a long time, the most frequently used kind of air filter in Fairview has been the mechanical variety. This is the kind you probably think of when you hear the terms air filter, air cleaner or air purifier. They use pleated fibrous filters in-line with an air handler to trap particles in the air before circulating it back out into the home.

Many models of these work very well and have for many years. They have the added benefit of being flexible because you can put in whatever filter you need depending on what size particles you need to trap.

However, these traditional devices are not the only option. A second kind of air filter exists for trapping particles in the air– one that does not use a fibrous filter that physically snags them out of the air on the way through.

These electronic air filters work in a different way to produce a similar result. The filtering component is still a fibrous sheet, but the difference is that the fibers are made of plastic, which becomes charged when air passes through it and causes friction.

(Think something like when you rub a balloon and stick it to the wall.)

These friction-charged fibers carry an electronic charge, which attracts the ions in the air around it. These ions — and the particles that they are a part of — get trapped in the fibers and stay out of your air supply.

Electronic air filters are generally very good at trapping particles that are 1 micron in size or higher, putting them about on par with a mechanical air filter that carries a MERV rating of 12. The electrostatic method works well for many common household air pollutants, such as dust, pollen, mold and pet dander.

As with many ventilation-related decisions, the choice of what kind of air filter is right for you depends on your needs and those of your family. If you are having trouble deciding, then an air quality assessment and consultation with a professional can be a good way to reach a decision.  If you need any help with this decision please contact Clean Air Act AC.

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Comparing High-Efficiency and Mid-Efficiency Furnaces

Friday, January 13th, 2012

Whenever you are in the market for a new furnace for your Hubbard home, there are many models to choose from.  Many of the furnaces manufactured within the last few years are high-efficiency furnaces with a high AFUE rating (AFUE measures the amount of fuel the furnace converts into heat). When people refer to a mid-efficiency furnace, they are usually talking about older furnaces.

Single-stage furnaces were considered to be an efficient heating system when they were manufactured, but compared to newer furnaces, they use up a lot more energy than they need to. Single-speed furnaces are designed to run at full capacity until the temperature inside the home reaches the thermostat setting. After they shut off, the home not only loses heat, but the furnace will also take longer and burn more fuel when it cycles on again.

Newer, two-speed and multispeed models run consistently at lower speeds, and the ones with variable-speed blowers are even more efficient because they can operate at various levels. These models will also automatically adjust to the thermostat to maintain a constant temperature, which saves energy by keeping the home at a consistent temperature so that there’s little heat loss.

When shopping for a new furnace, keep in mind that the AFUE ratings for multispeed and variable-speed furnaces only determine the efficiency of the actual furnace. If you are upgrading your old, mid-efficiency furnace to a high-efficiency furnace, you should make sure that your Hubbard home is properly insulated and sealed.  You could also consider upgrading any older doors and windows to more efficient double-paned ones, or you can also install storm doors and windows.

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What Is an Air Source Heat Pump?

Monday, December 19th, 2011

Most heating systems have as their main component some sort of heat generator, such as a furnace. These machines generate heat through some form of combustion, which obviously converts energy directly to heat, which is then distributed throughout your Lake Oswego home. That’s a pretty simplified schematic explanation, but that’s more or less how most heating systems work.

Air source heat pumps are another type of heating solution; one that does not actually produce or generate any actual heat. There is no combustion. What an air source heat pump (ASHP) does instead is regulate the temperature of the home by essentially moving air around.

An air source heat pump use electricity to exchange indoor and outdoor air. Think of it like a more versatile air conditioner. In cooling mode, like an air conditioner, an ASHP will pump warm air from the inside out, using a system of refrigerant-filled coils and a compressor. By turning the ASHP to heating mode, the refrigerant flow is reversed, allowing the outdoor coils to extract heat from the outdoor air and pump it in higher concentrations to the inside.

If it seems like a simple system, that’s because it is. All the heat pump does is move heat either in or out, depending on what you need in the current season. Because this process generates no heat on its own, heat pumps can be very efficient. ASHP efficiency has been estimated at 150% to 300%, meaning that the heat energy produced is up to three times as much as the electricity used. That makes for a very efficient home heating and cooling solution.

Air source heat pumps are not necessarily right for every situation, however. In colder climates, where temperatures drop below 30 degrees Fahrenheit for stretches at a time, a heat pump will likely not be able to keep up on its own. In these situations, you may either need to supplement the ASHP with an additional heating source, or use a different system altogether. Newer so-called “cold climate” heat pumps may also be an option. Under ideal circumstances, an air source heat pump can act as a complete home heating system, as well as providing heat for hot water.

If you are looking for a simple and efficient home heating solution in Lake Oswego, look into whether an air source heat pump can work for you.

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Why Should I Clean My Air Ducts?

Monday, October 24th, 2011

Everyone in Hillsboro knows it’s important to keep your home’s air ducts clean, but why? Many people ask that question, and it’s important to understand why you are doing such a chore so that it has a purpose.

Actually, there is no one reason why your air ducts need to be kept clean—there are several, all of which are connected to one another. Here are five of them for you to consider:

  • Efficiency – Clean air ducts allow the air to flow through much easier and more readily, so your furnace, air conditioner or heat pump won’t have to work as hard to ventilate the house. This makes for more efficient operation and lower energy consumption.
  • Performance – When your HVAC system does not have to work as hard to push air through the ductwork, it will perform better. Your home will be more comfortable and better ventilated.
  • Longevity – Because your HVAC system is operating more efficiently, it will be able to perform at a high level for a longer period of time. Well-maintained systems last longer than those that are not taken care of, and cleaning the ducts is part of good HVAC maintenance.
  • Savings – Clean ducts can save you a lot of money over time. Your energy bills will be lower because of how efficiently the whole system is running. You will spend less on maintenance and repair costs, because the system is being well-maintained. And, as an added bonus, your ducts will last longer because of the decreased risk of corrosion and damage from being dirty.
  • Health – Last, but certainly not least, clean air ducts mean clean air, which is important for your health and your family’s health. Especially if you have pets, if you smoke or live with a smoker, or if anyone in the house has allergies or asthma, cleaning your air ducts is a must. You could even include the decreased frequency of doctor visits under the savings mentioned above!

Clean air ducts go a long way toward making your home a pleasant place to live, as well as making home ownerships as worry-free as possible. Yes, it entails some extra work and/or expense, but in the end the benefits far outweigh the cost.

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