The Clean Air Act Blog: Posts Tagged ‘Marion County’

How to naturally cool your home

Friday, September 9th, 2011

In this day and age, it seems like no matter what type of problem you have in Oregon City, there’s a technological solution for it. But is that solution always the best? For instance, just because you can get a high-tech air conditioning system to keep your home at the same temperature regardless of the weather outside, does that mean that you should rely solely on that system?

Of course, the choice is yours, but before you decide how best to keep your house comfortable during the warm summer months, it’s a good idea to learn a little bit more about what your other options might be.

  • Cross-Ventilation – One of the easiest ways to take the edge off when the temperature starts to rise inside is to open windows on both sides of the house. This allows the breeze to come in one side and pass out the other, taking the stale, warm indoor air with it in the process and cooling off your house naturally.
  • Stack-Ventilation – If you have a two-story home, you may want to try stack-ventilation. This variation on cross-ventilation involves opening the windows on the bottom floor on one side of your home and on the top floor on the other. The differences in pressure from one area to the next cause fresh outdoor air to be sucked in on the ground floor and pushed out on the top floor, thereby creating a strong air current throughout your home.
  • Blocking Out the Sun – The number one reason that the interior of your house gets hot in the summer is exposure to direct sunlight, so anything you can do to diminish the amount of sun that actually makes it into your home, the better off you’ll be. All you really have to do is close the blinds on those windows where sun can come in to keep the majority of that heat from impacting your indoor environment.
  • Stay Away from Dark Colors – The color of the outside of your home can also have an impact on how hot it gets indoors. Dark colors absorb the heat, while light colors reflect it. So if you want to keep the temperature down inside, stick to light colors on the exterior of your home.
  • The Importance of Shade – Any type of shade will also keep the sun’s heat out of your home. Trees are a great source of natural shade. Awnings can provide great cooling power too without blocking out your view.

For more information about how to keep your house cool during the end of summer, contact your local HVAC contractor.

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How Do EER and SEER Work?

Monday, September 5th, 2011

If you’ve looked for a new air conditioner in Estacada recently, you probably noticed each unit comes with an EER or SEER rating. The former is for room air conditioners and the latter for central air conditioning units. In both cases, the number is a measure of how efficiently the system uses electricity. Effectively, if you buy a system with a high rating, you spend less on electricity. Of course, there are tradeoffs. The higher rated machines tend to cost much more, so as a homeowner, you’ll have to evaluate how much you can spend now and how long it will take to save money from that investment.

How EER and SEER Are Measured

These numbers are required by the government to tell you, the consumer, how many BTUs per hour the device can use for every watt of electricity drawn. The more BTUs a system can use, the better for your bill.

Let’s say you want to buy a 10,000 BTU system to cool your living room and dining room. A pretty standard number for a single room unit is 11, meaning the 10,000 BTU system would use about 900 watts per hour to run at full capacity. We figure this out by dividing the BTUs (10,000) by the watts (900).

There is a lot of math to do here, so many people simply look for a higher number within their price range. But, at what point is the upgrade really worth your extra money?

Choosing the Right Energy Efficiency Rating

The easiest way to describe this is to compare two similar devices with different EERs:

Air Conditioner 1 Air Conditioner 2
BTUs 12,000 12,000
EER 9 11
Watts 1333 1091
Price $300 $450

In this particular case, we can spend more for a device that is the same size but uses less electricity. The question then is whether that increased expenditure will pay off in the short term. Let’s assume each device would be operated for 10 hours per day for 30 days in a typical summer month. That’s 300 hours of operation. If the average cost per kWh in you are is $0.09, it will take 4 hours for the first air conditioner to consume 1 extra kilowatt of electricity equal to an additional $0.09. If your air conditioner runs for four months out of the year, we know that it will operate for a total of 1200 hours. That means:

[(1200 hrs x 242 watts) / (1000 watts/kw) ] x $0.09/kWh = $26

So, you save roughly $26 per year from that high efficiency unit. With a $150 price difference, you will break even after 6 years (though probably sooner if the price of electricity goes up).

If you want more information about energy efficiency and air conditioners, talk to your local professional.

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IAQ Systems – Can They Help Get Rid of Bed Bugs?

Monday, July 25th, 2011

Indoor air quality systems are designed to remove a lot of unwanted contaminants and allergens from your home. But, they can also help remove some unwanted pests. Dust mites, for example, can only survive in humidity of 50% or greater. But, what about bed bugs – a much larger problem for many homeowners? Can you get rid of them with your air quality system?

Bed Bug Facts

Bed bugs come into your home on clothing, luggage or other people. They don’t sprout out of any one particular condition, so no matter how clean your house is, you can be exposed to bed bugs at work, on the train, or when visiting friends. Once you’re exposed, it is very easy to bring them into your home where they quickly spread to the rest of the family.

Bed bugs don’t generally live far from people, so you won’t find them in dirty ducts or hiding in your air vents very often. That makes it even harder to get rid of them without a full blown fumigation of your home. However, there are some things your indoor air quality system can do that will make a difference.

Indoor Air Quality Actions to Take

Bed bugs don’t just thrive on your family, but on the conditions in which you live. They’ll get into the nooks and crannies of your furniture and your clothing and wait until night fall to come out and bite. So, one of the easiest things you can do is utilize a complete air filtration system to remove all the extra debris and dust that builds up in your home.

Humidity control will also make it easier to clean your mattress and the surrounding areas with a HEPA certified vacuum cleaner. If you have ductwork, make sure it is cleaned regularly. While bed bugs don’t hide in duct work very often, some will and every bed bug you can destroy is one less that will bite you.

Finally, avoid any pesticides while your family is in the house. Pesticide exposure is a common cause of illness in children and pets. It can be avoided with careful attention to indoor air quality and cleanliness. If you need to fumigate, call a licensed exterminator who can do so without putting anyone in your home at risk. They can help you layout a good fumigation plan and block future infestations.

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Humidification & Dehumidification

Friday, July 22nd, 2011

Most people don’t think much about the humidity in their home unless it gets unbearably high in the summer or extremely low in the winter. However, even slightly low or high humidity levels can have a huge impact on your indoor air quality, so even if you feel comfortable most of the time, a humidifier or dehumidifier is something you should look into. Many homes have humidity problems, and even if it’s not something you notice on a regular basis, air that’s too moist or too dry can have a large impact on your family’s health and the overall quality of your indoor air.

The Risks of High and Low Humidity

There are many reasons that proper humidity in your home is so important. For one thing, air that’s too humid promotes the growth of things like mold and dust mites that are significant airborne allergens. Without enough moisture, however, mold and dust mites can’t grow, so if you keep your indoor humidity below 50%, you’ll likely never need to worry about these allergens disrupting your family’s health or causing damage to your furniture.

But, dry air isn’t much better. Once the humidity level gets below 35%, a number of negative things can happen. Dry air enhances the symptoms of asthma, colds and allergies, and it causes damage to the wood fixtures and furnishings in your home. Even if it doesn’t do so much damage, dry air is simply uncomfortable, causing dried out skin, eyes, and hair.

Why Humidity Control Matters

Even if you have a state of the art air quality system installed in your home, humidity is very much something you need to be concerned about. Air that’s too moist or too dry can actually make it more difficult for indoor air cleaners and filters to get those contaminants out. In effect, poor humidity control makes every aspect of your air quality worse.

So if you want to be sure you’re getting the most possible out of your indoor air cleaner, the best thing you can do is put in a good humidification system as well. And when you’ve done that, you may even find that you can turn down the heat and air conditioning as well. Properly humidified air makes home heating and cooling more efficient, saving you both money on your monthly energy bill and wear and tear on your system. No matter how you look at it, proper humidity control is good for you and your home.

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Sealing Your Home Can Bring Big Rewards

Friday, July 1st, 2011

You use a lot of energy – and money! – keeping your house at a comfortable temperature. But if there are holes in the “envelope” or “shell” of your home, air from the outside can get into your home and drive up your energy costs.

Sealing the envelope of your home is one of the most cost-effective ways to improve energy efficiency and comfort. Energy Star estimates that appropriate sealing can save up to 20% on heating and cooling costs.

There are three ways to seal the envelope of your home:

  • Sealing air leaks to stop drafts
  • Adding insulation
  • Installing Energy Star windows when replacing windows

Sealing leaks. It may be easy to find some of the leaks in your home, because you can feel and sometimes even see them (for example, around windows and doors). You can seal these leaks with caulk, foam, and weather stripping.

Other leaks may be hidden in attics, basements, and crawl spaces. Common leak spots include:

  • Recessed lights
  • Outdoor faucets
  • Dryer vents
  • Attic hatches
  • Around light switches and cable, phone, or power outlets
  • Chimneys and furnace flues
  • The tops of walls that lead up to attic space

To find and seal these hidden leaks, it may be advisable to hire a contractor who can use special diagnostic tools. The expense is often quickly paid back in increased comfort and reduced utility bills.

Adding insulation. There are several common types of insulation — fiberglass (in both batt and blown forms), cellulose, rigid foam board, and spray foam. Different types are appropriate for different places in your home.

The strength of insulation is measured by “R-value” – its ability to resist heat flow. The higher the R-value, the more insulating power. Different R-values are recommended for different parts of your house, depending upon where you live.

Insulating your attic may offer significant savings, and can be a good DIY project if you are handy. To see if your attic can benefit from more insulation, look across your uncovered attic floor. If your insulation is level with or below the attic floor joints, more would probably be helpful.

Remember, however, that even well-insulated attics need appropriate ventilation to prevent mold growth in the summer and ice buildup in the winter.

Installing Energy Star windows and doors. Replacing windows and doors is a big project and may not generate enough energy savings to justify the cost. However, if you are remodeling or building a new home, be sure to choose Energy Star windows and doors. Energy Star windows and doors will not only help seal and insulate your home – they will also act as a sunscreen to protect your pictures, furniture, and carpets.

After Sealing Your Home: Check Air Quality!

After any sealing or insulating project it’s very important to have a professional perform a Combustion Safety Test on your gas and oil burning appliances to ensure that they are still operating safely.

It’s rare that homeowners seal their homes too tightly – especially if it’s an older house. However, if you are concerned, you can hire a contractor to test your home’s ventilation. If your home is too tightly sealed, he or she may recommend that you install a fresh air ventilation system.

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Save by Buying Low, Buying at the Right Time

Monday, June 27th, 2011

Buying a new HVAC system is a big step and a big investment. You know you will be spending a considerable amount of money, but it is worth it to get the right system for your home. However, that does not mean you should not shop around and compare prices before you buy. Prices in this industry are far from static, and you could get a great deal if you do some research and know what you are looking for.

Of course, you first have to have the luxury of being able to shop around. If your HVAC system has broken down completely, you will be much more limited on what options you can explore and how much you will pay for the system that you want.

But if you know that you are going to be replacing your existing HVAC system sometime soon, the best thing you can do is to start looking around at what is on the market now. Get a feel for the type of system that you want, the features that are important to you and what it will cost you to get all of that in one package deal.

You can also compare the prices for the same system offered by various retailers and installation companies. While it may seem like the same system should cost the same everywhere, this is often not the case. Also, different places may be offering special discounts or installation specials at different times, and you want to put yourself in the best position to take advantage of that.

The time of year can also affect the price of the system you are looking at. Buying a heating system in the middle of the summer, for instance, is often a good way to get a great deal. So if you plan ahead a little bit, you can make out big when you see the deal you were looking for.

Staying on top of the market is the best way for you to see how the prices on different systems change over time and you will be in a great position to grab a good deal when it comes up. You can also often get good deals on HVAC systems that are close to being replaced by a newer model. Just make sure that the newer model does not offer too much more than the previous year’s and you will likely come out ahead.

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UV Germicidal Lighting

Friday, June 3rd, 2011

With a state of the art home comfort system in place, complimented by a high tech indoor air cleaner, you may think you’re set to take on climate and contaminant related challenges to your air quality. But you’re probably missing one thing, and that’s the ability to remove living contaminants like bacteria and viruses from your indoor air.

Unlike non-living particulate indoor air contaminants, bacteria and viruses are not easily caught by indoor air filters or ionizers. They often slip through and continue to circulate again and again through your home, greatly increasing the likelihood that you and your family will get sick. They also tend to reproduce, so the longer you go without eliminating these germs, the more of them there will be.

Killing those Germs for Good

Fortunately there is a technological solution to this indoor air quality problem. The inclusion of ultra violet lights into your air purification system not only specifically targets bacteria and viruses; it helps to slow the spread of disease when someone in your home gets sick.

UV germicidal lights are extremely effective at removing all types of living contaminants from your indoor air. Unlike HEPA filters and air ionizers, UV germicidal lights don’t try to remove these contaminants by trapping them. Instead, they kill them outright, making sure that the germs can’t stick around to reproduce or work their way free of the containment system.

Installation and Maintenance

For most indoor air contaminants, you want to have someone test your air first. However, with bacteria and viruses, you can rest assured that they are always in the air around you. It often only takes a smaller number of pathogens to make someone ill.

Most UV germicidal lights are easy to integrate into your existing indoor air cleaning system. They are usually installed just past the filters so they can catch the germs without other indoor air contaminants getting in the way. And best of all, UV germicidal lights require very little attention or maintenance.

Simply put them in place and let them do their work. You should schedule a routine maintenance visit every so often to make sure that no part of your indoor air cleaning system needs to be repaired or replaced. But other than that, installing UV germicidal lights in your home allows you to relax and enjoy a completely contaminant free living environment.

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A Different Way to Zone Your Heating

Monday, May 30th, 2011

One of the most frustrating things about traditional heating is that you must pay for the entire home to be heated. You flip on the thermostat and you get the same temperature for every room. Vent covers can reduce how much heat gets to each room, but if you want one room to be cooler than another, how do you do it without installing an expensive zone control system?

Vent Levers for Adjustable Air Flow

The easiest way to control the flow of air in your heating system is to use a vent lever adjustable air flow system that allows you to actually control where the air goes. These systems are installed directly on your furnace’s air handler. Each vent lever can be attached to a specific thermostat in your house or the vent levers can be opened and closed manually from the basement. When one of the thermostats is turned off, a vent lever will close off air flow to that particular room and stop any heat from being distributed there.

The system itself is not as easy to use as a zone control system but because the technology is simple and it takes only a few seconds to the turn the vent levers, it’s a viable and effective method to control your heating if you cannot afford zone control. If you’re not sure whether this is a good solution for your particular furnace, an HVAC contractor can help.

How to Get Vent Levers Installed in Your Home

If this sounds like a good solution for you, take some time and contact your local HVAC service provider to learn more about what it takes to have vent levers installed. For some systems it is relatively easy to add them to an existing air handler. In older systems or in the case of a boiler, you may need to install more specific types of handlers to control the flow of heating to each room in your home. A professional can give you a better idea of what your home needs and how it can best be setup.

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