The Clean Air Act Blog: Archive for the ‘Services’ Category

How to Install a Programmable Thermostat in your Home

Friday, February 3rd, 2012

Programmable thermostats are one of the best ways to save on heating costs, especially if you have a hard time remembering to turn down the heat in your Hubbard home. Installing a programmable thermostat will allow you to set the times you want the heat turned up or down. Not only will this make heating your home more consistent and save energy, but it will also allow you to tailor your heating needs to your schedule.

For instance, you can set the thermostat to turn on before you get up in the morning so that the house is already warm when you get out of bed, and conversely, set it to turn down after you go to bed or leave the house for work. Depending on the brand and setting options, programmable thermostats are relatively inexpensive and easy to install.

Although all styles are slightly different, here are some basic instructions that show you how easy it is to install a programmable thermostat.  Remember, this is only a general guide; always check the instructions inside the packaging of your new thermostat before you install it, or check with an electrician.

1. Remove the Old Thermostat

Before you remove the old thermostat, check to see where it’s mounted. If it’s mounted to an electrical box, the voltage used to power the old thermostat may not be compatible with the new one. Ask a certified electrician or heating technician if you aren’t sure.

CUT THE POWER TO THE HEATING SYSTEM TO AVOID ELECTRIC SHOCK. You should always turn off the main power supply to your heating system before installing any new thermostat. If you aren’t sure how to do this, ask your HVAC contractor. Once you unscrew the mounting plate for the old thermostat, just unhook the wires. Don’t throw an old mercury controlled thermostat. You should ask your local waste management facility how to properly dispose of mercury products.

2. Locate all Wires

Wrap the loose wires around a pencil to keep the wires from falling back into the wall. Identify and label each corresponding wire with a letter (do not use color coding since this is not always accurate). Strip the plastic off the ends of the wires about ¼ inch if you need to.

3. Install and Insulate Wallplate

If the area around the new wallplate is larger than the plate, insulate the hole with non-flammable insulation. Take the wallplate off the programmable thermostat and hold it against the wall to mark the screw holes with a pencil. Pull the wires through the large opening at the bottom and screw the plate to the wall.

4. Wiring

Make sure you are comfortable with wiring before you attempt to do any electrical installations. Check the manual for your programmable thermostat for instructions on wiring that specific model. In general, you’ll want to make sure you match the wire labels with the corresponding terminals on the thermostat. Sometimes there will be extra wires that aren’t needed. Always test it before completing the installation. Don’t forget the battery!

5. Install the Faceplate

Once you have it wired correctly, all you need to do is align the brackets on the faceplate with the corresponding slots on the wallplate and fasten the faceplate to the rest of the mounting. Lastly, tighten the screw at the bottom of the thermostat to hold it in place.

If you have any questions regarding programmable thermostats, give The Clean Air Act a call.

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What Is a Load Calculation and Why Is It Important Before Buying An AC System?

Wednesday, February 1st, 2012

An integral part of designing and installing a heating, cooling, and air cleaning system in Portland is the load calculation. Calculating the load of a room, home, or building essentially consists of determining how much heat is lost and gained within that area. A proper load calculation is critical to installing an appropriate cooling or heating system, as well as ensuring maximum efficiency or diagnosing problem areas of an existing system.

The Load Calculation Process

When conducting a load calculation for your home or office, a professional will consider several factors that can affect heat loss and gain. First among these is the construction of the building. This includes not only cubic footage, but also the type of material making up the walls, ceiling and floor, as well as any duct work. A professional performing a load calculation will examine the entire building envelope, including whether the walls are wood or masonry, if there are cathedral ceilings, what type of insulation is installed, and so on.

Secondly, load calculation takes into account doors and windows, as these can affect heat gain and loss. The number of doors and windows, as well as the size, shape and material of each one is included in the load calculation. This includes skylights and sliding glass doors, as well as the type of material shading any windows. A professional will look at pane thickness, number of panes in each window, if there are storm windows installed, any drafts in door installations, and even what kind of drapes are on the windows in order to accurately calculate load.

Additional Factors

There are other factors a professional must take into account, including appliances and occupants. Heavy appliances tend to give off heat, as does having a lot of people in a space, so these must be considered in order for an HVAC system to properly regulate temperature and airflow. Last but not least, of course, is the matter of desired temperature change. By how much do you want to raise and lower the temperature of your home or office?

Calculating load prior to installing a new HVAC system is a vital part of the process. It is also a good idea to perform a calculation with current systems, as it may reveal already existing inefficiencies or deficiencies. An inefficient HVAC system not only results in unsatisfactory heating and cooling, but also unnecessary cost due to wasted energy. As you can see load calculation is an elaborate and complex process, but it is necessary for a properly functioning HVAC system.

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Allergies – Products that Can Help with Air Quality Problems

Monday, January 30th, 2012

One of the biggest problems related to indoor air quality for Portland residents is allergies. When not treated properly, excess dust, humidity, bacteria, mold, and other contaminants can cause a number of allergy problems, especially if anyone in your home has asthma and is particular sensitive to a contaminant.

Luckily, there are quite a few products on the market designed to reduce the effect of indoor allergens and help you feel comfortable all year long.

Air Cleaners

HEPA Air Cleaners are designed to capture incredibly small bits of debris in your home. They remove things like dust, mold, debris, pollen, and pet dander before they can trigger an allergic reaction. The best filters are all HEPA certified and are available either for a single room or for your entire home. The size of your home and the amount of contaminants you have will ultimately determine which filter is best for you.

Purifiers

For those with allergens beyond dust and pollen, purifiers are a good next step. Air purification is done electronically, utilizing ionization technology to remove things like gas and smoke as well as bacteria and viruses that get into your indoor air. Anyone suffering from even a mild bout of seasonal allergies can be made very uncomfortable by these types of contaminants. Advanced purification systems also come with UV germicidal lights to kill bacteria and viruses.

Ventilation

While capturing the bad stuff in your air is important, so too is getting new air into your home. Allergies are triggered as much by stale air as by the allergens in it. So, a good ventilation system is important. Simple fan units work very well for many families, but if you want to avoid the loss of heated and cooled air during the most extreme weather in your area, an energy recovery ventilator is a good alternative to straight fan ventilation.

Humidity

Finally, humidity is a big issue for many families. Dryness in the winter can make colds and flus worse and excessive humidity in the summer is a haven for things like mold. A good humidifier removes humidity when it gets too high and adds moisture to the air during the winter when it gets too dry.

Always do your research before choosing an air quality system for your home. It’s important to choose components that will help you overcome whatever allergies you face, throughout the year.

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Rhododendron Heat Pump Question: When Do You Need a Backup Heating System?

Friday, January 27th, 2012

A backup heating system is sometimes necessary for Rhododendron homeowners who heat their homes with an air-source heat pump. This style of heat pump transfers the heat from the outside air to your home in the winter, and it pushes the warm air outside the home in the summer. Although some systems are efficient enough to work in colder climates, most heat pump systems require a backup heater when temperatures drop below 20° F.

Furnaces are commonly used as a backup heater for air-source heat pumps, especially since the furnace fan blower can help distribute the hot air throughout the home. Although they are more expensive to buy and install, geothermal heat pumps typically do not require a backup heating system. These are also called ground-source or water-source heat pumps since they draw in heat from the ground below the house or from a nearby water source. Because they take advantage of the ground or water temperatures, they are also easier to maintain and have lower operating costs.

Getting the most cost-efficiency from a geothermal heat pump will depend on several factors, such as the size of your property, the temps of the subsoil, and access to local water sources. You will most likely not have to install a backup heating system with a ground-source or water-source heat pump; however, it is important to think about the installation costs and the variables that need to be in place before deciding on this type of heat pump.

Absorption heat pumps use a heat source, such as natural gas or solar-heated water, instead of electricity. Natural gas is typically used for absorption heat pumps, so they are also called gas-fired heat pumps. Depending on the source of the heat, you may or may not need a backup heating system. It’s always best to speak to a professional heating and cooling contractor if you are not sure when it’s necessary for a backup heating system.

Call The Clean Air Act Inc. if you have any questions about a backup heater for your Rhododendron home.

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A Brief History of Geothermal Energy

Wednesday, January 25th, 2012

Geothermal energy is nothing new – it just gets more ink because of its increasing use to naturally heat and cool buildings in Gladstone, leaving a smaller carbon footprint and providing for an efficient, more cost-saving method to achieve indoor comfort.

History shows that geothermal energy dates back over 10,000 years when American-Paleo Indians used hot springs for bathing and heating, possibly even as a source for healing. And geothermal energy is not just a North American idea either. The oldest known hot springs spa was built in the Qin dynasty in China in the 3rd century B.C.

Romans used the water from hot springs for their public baths. Geothermal water was also used by the Romans for treating skin and eye diseases. Minerals found in hot springs water has been long believed to have healing qualities. Geothermal water was also used to heat the buildings in Pompeii. Subsequently, building heat was obtained from under floor systems.

History notes that France is home to the world’s oldest known geothermal district heating system. The system in Chaudes-Aigues has been in use since about the 14th century. And starting in 1960, France began using geothermal heating for homes in other areas. Up to 200,000 homes in France are heated by geothermal means.

History also shows geothermal energy use during the late 18th century near Pisa, Italy. Geothermal energy had been used to extract boric acid from the Larderello Fields through the use of steam. In 1904 at Lardello Fields, steam was successfully used to generate power for the first time. At the time, geothermal energy was seen as the power of the future.

In the U.S. in 1892, the first district heating system in Boise, Idaho was powered directly by geothermal energy, and was soon copied in Klamath Falls, Oregon in 1900, where geothermal water was pumped under sidewalks and roads to help prevent freezing and ice build up. In New Mexico rows of pipe were placed underground to keep soil warmer for agricultural purposes.

A deep geothermal well was used to heat greenhouses in Boise in 1926.

For the residential market, an inventor built a “downhole heat exchanger” in 1930 to heat his house. The heat pump, which was invented in 1852, was patented to draw heat from the ground in 1912. However, it was not until the 1940s that the geothermal heat pump was successfully launched. Records show that the first commercial heat pump was put into use in Portland, Oregon in 1946. The first residential open loop system was installed in 1948.

In the 1960’s, the first large scale industrial geothermal energy power plant was constructed, producing 11 megawatts of geothermal electricity. From the 1960’s to the present day organizations and governing bodies have been set up to manage, research, and develop new and improved geothermal energy sites and technologies.

Today, there are many geothermal power plants in working order in the U.S. and across the globe.

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Heating Replacement Checklist: 5 Reasons to Replace Your Furnace

Monday, January 23rd, 2012

Many Estacada homes are heated with furnaces, since they generally provide safe and efficient heat.  Furnaces have also improved dramatically over the years as manufacturers find ways to make them more efficient. Even if your furnace has been reliable for many years, it may be worth the money to replace your old furnace with a newer, more efficient model.

Here are five major benefits to upgrading your furnace.

1. Lowering Your Utility Bills

Whether you realize it or not, your current furnace could be costing you more than it should in heating bills. If your furnace is 15-20 years old, it’s probably not heating your home as efficiently as the newer models with higher AFUE ratings. Even if your heating system has been replaced within the last ten years, the technology has advanced enough to consider an upgrade.

2. Fewer Repairs

Repair costs can add up if you are constantly repairing your furnace. Routine maintenance for your furnace can help reduce the need for repairs, but as furnaces age, they tend to need more repairs and replacement parts. If you need frequent repairs for your furnace, it may be time to replace it with a newer one.

3. More Consistent Heat

While maintaining consistent temperatures throughout your home involves several factors, such as insulation and thermostat control, your furnace could also be the reason you aren’t getting enough heat to all parts of the house. If some rooms are colder than others, or if your heating bills have recently gone up, it may be time for a furnace replacement.

4. Reduce the Chances of a Breakdown

When a furnace breaks down, it not only leaves you without heat, but it is also a major expense. Budgeting for a new furnace before it breaks down will put less financial burden on you than needing an emergency furnace replacement. Newer model furnaces are also more reliable and less likely to give you problems if maintained properly.

5. Safety

There’s higher potential for safety concerns with older or poorly maintained furnaces. In addition to fire hazards, carbon monoxide poisoning is another serious threat. When the heat exchanger stops working because it’s corroded or faulty, carbon monoxide can leak into the home. If you’ve had your furnace for more than 20 years, it could create safety hazards that you may be unaware of.

No matter how long you’ve had the furnace in your Estacada home, it’s always wise to speak with a qualified HVAC technician about furnace upgrades, particularly if you have expensive heating costs. Call The Clean Air Act Inc. today to talk with one of our heating experts about furnace upgrades.

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Different Types of Furnace Maintenance

Friday, January 20th, 2012

There are different types of maintenance tasks associated with keeping your automobile in tip top shape. Did you also know there are tasks that can be performed at various intervals to keep your Happy Valley home’s furnace in peak running condition?

For example, the most frequent maintenance task is checking the filters in your air handling unit. These are often called furnace filters but in reality, they serve the same function to filter air to and from your air conditioner, too. It might be easiest to just call them air filters. The frequency of replacing or cleaning air filters usually depends on the type of indoor environment you live in – like humidity levels, number of household pets or occupants, etc. In general, filter maintenance should occur every one to three months.

A less frequent maintenance task is cleaning the moving parts of the internal mechanism. You may only need to have your furnace cleaned every six months to a year, depending on its use. In some cases you can perform the cleaning yourself or it is included in an annual cleaning as part of a service agreement with a qualified heating and cooling contractor. A furnace can typically run at peak efficiency when it is cleaned on an annual basis.

You can also make it a regular habit of checking the motor bearings and fan belt, too. You can lubricate the bearings and tighten or replace the fan belt on a same schedule as cleaning the moving parts.

Other maintenance tasks related to your furnace, which may require longer interval times include ventilation system cleaning, or more commonly known as duct cleaning. Some homes don’t require this type of maintenance more than every five to ten years – perhaps longer. Unless there are unusually high levels of dust, allergens, or contaminants in the air, most ventilation systems can remain clean for several years.

Of course, you can turn all of your maintenance tasks over to a Happy Valley heating and cooling contractor – and have the most peace of mind.

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Why AFUE Ratings Matter For Your Heating Installation

Wednesday, January 18th, 2012

When you are in the market for a new furnace for your Newberg home, there are several reasons you should pay attention to the annual fuel utilization efficiency (AFUE) rating. All newer model furnaces get an AFUE percentage, which measures how much fuel a particular model converts into heat. Furnaces with higher AFUE ratings are more efficient, but the size and type of furnace will also factor into how much you’ll save on energy costs.

Understanding the AFUE Ratio

The minimum AFUE rating for new furnaces is 78%. This means that seventy-eight percent of the fuel is turned into heat, and the remaining percentage is lost either through poor insulation, air leaks, or the ventilation system in the home. Because there’s no heat loss through a chimney flue, some all-electric furnaces can have an AFUE rating as high as 98%. However, if the cost of electricity used to meet your normal heating needs is higher than the efficiency savings, you may want to consider other options. Talk to a qualified HVAC contractor for advice about the most cost-efficient heater for your home.

Furnace Efficiency Features

Furnaces manufactured 15-20 years ago have significantly lower AFUE ratings (between 55%-70% for most older models) because they are typically single-stage, or single-speed systems. Single-stage furnaces are less efficient because they are designed to cycle on at full capacity and shut off when the desired temperature is met.  Newer, two-speed models have a second setting that runs consistently at a lower speed, which saves energy by burning less fuel. Multispeed furnaces that have variable-speed blowers are the most efficient because they operate at various levels and automatically adjust to the thermostat to maintain a constant temperature.

If you look at the AFUE ratings for multispeed and variable-speed furnaces, the ratios should be above 80%. Keep in mind that this only determines the efficiency levels for the furnace itself. You’ll need to factor in whether or not your home has proper insulation and other upgrades, such as double-paned windows and doors.

Call The Clean Air Act Inc. to speak with one of our qualified HVAC technicians about a furnace upgrade for your Newberg home.

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Happy Martin Luther King Day from Your HVAC Contractor!

Monday, January 16th, 2012

Happy Martin Luther King Day! Today we celebrate the life of Martin Luther King Jr. and all of his great accomplishments. This holiday is also a reminder about how we all can be a force for good in our community. Even a small act, like helping a neighbor, can make a big difference in someone’s life. Take some time today to make your community a little better!

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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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