Happy New Year’s Eve! Have a great time welcoming the New Year tonight! We hope that you are able to achieve all of your resolutions for this upcoming year. Fun fact: the ancient Babylonians were the first to establish the tradition of New Year’s resolutions. That means that people have used this time of year to set goals for themselves for thousands of years! If one of your resolutions is to be more environmentally friendly, remember that an upgrade to your HVAC system can make a big difference in your house’s energy efficiency!
The Clean Air Act Blog: Archive for December, 2011
Furnace Air Temperature
Wednesday, December 28th, 2011When your furnace turns on every day and warms your Gladstone home, just how hot is the air being blown through your vents? It’s a common question and while it varies depending on the type of furnace you have and the length of your ductwork, normally, the air is about the same temperature in most homes.
The Heating Process
When you turn on your furnace, it ignites fuel (gas or oil) or heats elements (electricity). A blower fan blows air through the heat exchanger and then into ductwork that distributes the heated air to vents around your home. When the combustion occurs and air is first heated, the temperature is between 140 degrees F and 170 degrees F.
This is extremely warm and could be dangerous to anyone if they got too close to it or it was blown directly into your home. However, as the heated air is distributed into your home it starts to cool. In some cases, it loses a significant amount of its energy in the ductwork.
This is intended, of course, because the temperature would be much too high if it was distributed directly to your rooms. That’s why high velocity ductwork often requires regulation to avoid overheating of the air. Cooling like this is normal and results in a better, more evenly distributed airflow.
When Something’s Wrong
To know something is wrong with your heating system, you must first understand what temperature air normally is when distributed through the vents. This will vary depending on which room you are in and how big your home (and furnace) are. However, if you notice a sharp drop off in comfort level in your home, it takes longer to heat rooms when cold or if that heating is suddenly uneven, it may be time for someone to inspect your furnace and check for potential problems.
A technician will then check to see if the air is being heated to the target 140-170 degrees F or if heat is being lost in the air handler or ductwork. There are a number of issues that can contribute to lost heat in your heating system – the easiest way to be sure the problem is solved properly is to call a professional when you notice the problem.
High Efficiency Furnaces and Chimney Concerns
Monday, December 26th, 2011When upgrading to a high efficiency gas furnace in Portland, you may need to make some upgrades to your chimney. Older chimneys built for standard furnaces with normal exhaust needs are not built to the specifications needed by today’s high efficiency models. Not only is it unsafe to leave it as is, but the cost of repairs if you don’t have it upgraded can be substantial.
Down-Sizing
A common concern when upgrading to a high efficiency gas furnace is the issue of condensation and draft. Because the amount of exhaust being vented is reduced by a high efficiency furnace, your current setup is not sufficient for the new model. So, it needs to be reduced in size by a professional to avoid backup of exhaust. Proper chimney sizing is a complex process that requires professional guidelines and careful measurements of all appliances in your home.
Because the chimney often isn’t used at all for a high efficiency furnace (often PVC pipe used instead), the extra airflow in the chimney can become a major issue.
Chimney Condensation
The biggest concern for the chimney when changing the furnace efficiency is condensation. Specifically, acidic condensation droplets can build up in the chimney if not properly stopped. A new chimney liner must be placed in the chimney to avoid excessive corrosion due to the acid droplets. Keep in mind that the efficiency of your new furnace will determine whether you will use the traditional chimney for exhaust or if a new line will be installed to vent your furnace.
When to Take Action
If you have your furnace replaced, your technician will likely discuss the chimney situation in your home with you. Keep in mind that this might be necessary and that there might be an added cost involved because of it. Modern furnaces are not designed to accommodate aging chimneys and your safety and the integrity of your house are at risk if you don’t retrofit the chimney if necessary.
Merry Christmas Eve & Happy Holidays from Your HVAC Contractor!
Saturday, December 24th, 2011Merry Christmas everybody! Santa is delivering presents tonight and we hope you get everything you want under the Christmas tree. The holidays are all about spending time with your friends and family, we hope you have a great day full of love and laughter. To help make your Christmas as happy as it can be, here is a recipe for Whole Wheat Ginger Snaps:
Whole Wheat Ginger Snaps
“Spicy and chewy Ginger Snaps made with all whole wheat flour. Yummy!!”
INGREDIENTS:
1 cup butter or margarine
1 1/2 cups white sugar
2 eggs, beaten
1 cup molasses
4 cups whole wheat flour
1 tablespoon baking soda
2 teaspoons baking powder
1 tablespoon ground ginger
1 1/2 teaspoons ground nutmeg
1 1/2 teaspoons ground cinnamon
1 1/2 teaspoons ground cloves
1 1/2 teaspoons ground allspice
1 cup white sugar for decoration
DIRECTIONS:
- Preheat the oven to 350 degrees F (175 degrees C). Grease cookie sheets.
- In a large bowl, cream together the butter and 1 1/2 cups of sugar until smooth. Mix in the eggs, and then the molasses. Combine the whole wheat flour, baking soda, baking powder, ginger, nutmeg, cinnamon, cloves, and allspice, heaping the measures if you like a lot of spice. Stir the dry ingredients into the molasses mixture just until blended.
- Roll the dough into small balls, and dip the top of each ball into the remaining white sugar. Place the cookies about 2 inches apart on the cookie sheets.
- Bake for 10 to 15 minutes in the preheated oven, until the tops are cracked. Bake longer for crispy cookies, less time for chewy cookies. Cool on wire racks.
For more details, visit allrecipes.com.
And if you haven’t done so yet, remember schedule the annual maintenance of your heating system. Maintenance will cut down on future repairs and keep your system working as efficiently as possible, saving you a lot of money in the long run. Don’t be left out in the cold this winter!
Heating Guide: Heat Pump Load Calculation
Wednesday, December 21st, 2011When purchasing a heat pump, the first thing you should do is determine what type of heat pump you want and how big it needs to be to provide ample heating and cooling to your Hillsboro home. If you’re unsure what you need, here are some tips to size a heat pump for your home’s particular needs.
The Importance of Sizing
Before buying anything, consider the cost of an oversized heat pump. A lot of homeowners opt for the biggest device on the market, but they don’t realize that they’re paying more than necessary for their device. An oversized device cycles on and off more often than is necessary and wears down much faster, resulting in an increased electric bill and faster wear on the device. It’s not good for your heat pump or your wallet.
How to Size
To correctly size a heat pump, the first step is to perform a load calculation. This is done by measuring the total volume of the rooms being heated (in cubic meters) and then determining the heating factor based on the type of insulation used.
There are different measurements depending on the type and R-rating of your insulation. For example, a single external wall without any additional insulation has a heating factor of 15. The number of external walls, the insulation in those walls and/or the ceiling and the rating of the insulation will determine the total heating factor for the room.
You will then divide the room volume by the heating factor to determine the number of KW (converted to BTUs) needed to heat that particular room.
Professional Sizing
The reason it is so important to call a professional is that certain things, like poorly insulated windows, cracks in the foundation, leaks in the ducts and other issues can have an impact on the overall heating factor measurement. Additionally, the type of heat pump you choose must be effective when connected to an air handler for your entire home. A professional can make these measurements and ensure the right sized device is selected.
If you’re unsure about anything related to sizing and selecting a new heat pump for your home, call a professional in. They will perform a full load calculation and present your options for a new heat pump based on those calculations.
Happy Hanukkah from Your Heating and Air Conditioning Contractor
Tuesday, December 20th, 2011Happy Hanukkah to all of our Jewish friends! We hope you have an amazing Festival of Lights and enjoy spending time with your friends and family. The holidays are a great time to be thankful for all of the good things in life, and we thank you for helping our business prosper. Since of one the traditions of Hanukkah is great food, here is a recipe for Potato Pancakes:
Potato Pancakes
“Keep this one in your recipe file because it ‘s perfect and simple Grated potatoes, a bit of onion, an egg, and enough flour to hold this masterpiece together. Shape into patties and fry to a crusty, brown crispness.”
INGREDIENTS:
4 large potatoes
1 yellow onion
1 egg, beaten
1 teaspoon salt
2 tablespoons all-purpose flour
ground black pepper to taste
2 cups vegetable oil for frying
DIRECTIONS:
- Finely grate potatoes with onion into a large bowl. Drain off any excess liquid.
- Mix in egg, salt, and black pepper. Add enough flour to make mixture thick, about 2 to 4 tablespoons all together.
- Turn oven to low, about 200 degrees F (95 degrees C).
- Heat 1/4 inch oil in the bottom of a heavy skillet over medium high heat. Drop two or three 1/4 cup mounds into hot oil, and flatten to make 1/2 inch thick pancakes. Fry, turning once, until golden brown. Transfer to paper towel lined plates to drain, and keep warm in low oven until serving time. Repeat until all potato mixture is used.
For more details, visit allrecipes.com.
What Is an Air Source Heat Pump?
Monday, December 19th, 2011Most 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.
Signs of an Undersized Furnace
Friday, December 16th, 2011If you’re purchasing a new furnace for your Sherwood home, you want to avoid buying one that is undersized for your particular space. To do that, here are some common signs that the furnace isn’t powerful enough for the heating needs of your home. These signs might appear for an older furnace as well, especially as it ages and loses its ability to provide adequate heat for your home.
Maintaining Temperature
The most common (and in many cases only) sign that your furnace is undersized is that the device simply doesn’t maintain the temperature in your home properly. This means that when turned on to full and left for a few hours, your furnace doesn’t heat your home to the thermostat setting.
This can be due to an improper load calculation or a load calculation that wasn’t taken at all. The perfectly sized furnace will heat your home evenly on the coldest day your area is likely to have. So, undersizing should be pretty evident – if it doesn’t heat your home evenly and it’s not exceptionally cold outside, you might not have enough BTUs under the hood.
How to Fix the Problem
The problem is one that varies depending on the severity of the undersizing. Modern furnaces are often available with two stages, meaning they can operate at both a low BTU rating (often around 40K or so) and a higher BTU rating (70K or higher). This is the perfect solution for homeowners worried about undersizing because it ensures that your home always has enough heat in reserve should the weather get exceptionally cold.
For example, most furnaces are sized for extremely low temperatures, but if the temperature jumps up to 50 degrees F outside, your furnace is now oversized for that weather. A two stage furnace offers solutions for both common conditions and extreme conditions and will resolve most of the concern you have about undersizing and not having enough heat to offset outdoor temperatures.
What Happens if My Heat Pump Loses Power?
Wednesday, December 14th, 2011One of the advantages of having a heat pump in Canby is that they operate on electricity, so you don’t need to worry about having maintaining a supply of fuel to keep yours running. Where a furnace call for you to purchase supplies of oil or natural gas, and a wood stove means keeping potentially messy firewood around, a heat pump runs cleanly on electricity.
Heat pumps are good at using electricity, too. They are often able to produce heat energy that can be as much as three times the electricity they draw to produce it. This means not just convenience, but also a big savings, just by virtue of using electrical power.
The risk there, of course, is that if and when the power goes out, so does the heat pump. That means when a big winter storm drops a tree on the local power line, things can get cold inside mighty quickly. For these situations, you should have a backup heating solution on hand to keep everyone comfortable in the short term. And, as a responsible homeowner, you likely already have this taken care of.
But what happens when the power comes back on? Can you just fire your heat pump right back up without missing a beat?
The short answer is “no.” You should not do that, for at least two reasons. First of all, after any power outage, you should always take care to turn on appliances gradually over a period of time rather than all at once in order to avoid a spike in demand at the power company, which can blow a grid. That’s just a general tip.
Specific to heat pumps, though, there is a unique concern. If the heat pump loses power for more than 30 minutes, the refrigerant can get too cold to flow properly, so turning it right back on can cause the whole thing to conk right out. Instead, do the following:
- Make sure the heat pump is off. You can do this during the power outage.
- Once power comes back on, turn the heat pump to the “Emergency Heat” setting. This will allow the compressor to warm up slowly and get the refrigerant warm enough to start flow freely again.
- Wait. The time you need to wait varies depending on the size and manufacturer of your heat pump, so refer to the manual. In general, you should wait at least 6 hours.
After this process, your heat pump should be ready to resume normal operation without issue.
Heat Pump Maintenance
Monday, December 12th, 2011Heating and cooling your Cornelius home is a priority. You need your home and family to be comfortable all year round, so you either got or are considering a heat pump. These machines are great because under the right circumstances, they are essentially all-inclusive and incredibly efficient solutions for all your home heating and cooling needs.
Notice the “under the right circumstances” part. A number of things have to be considered when choosing a heat pump, such as the climate and the size of your home. But these are not the only circumstances that influence how well your heat pump works for you. Proper maintenance is a vital component of heat pump ownership, ensuring that you get the best performance out of your heat pump for the longest time possible.
A major part of properly maintaining any machine is to keep it clean. A heat pump is no exception. Dirt and dust can affect the efficiency of your heat pump, as well as speed up corrosion problems. Keep the compressor and coils clean. Check them monthly or so and remove any accumulated dirt. Also, consistently check and change filters according to the manufacturer’s recommendations.
Simple cleaning is an easy and effective first step to heat pump maintenance, but there are some things that you just won’t be able to do on your own. For more intensive maintenance, it is best to call in a professional for an annual inspection.
During a routine maintenance check of your heat pump, a technician will inspect the whole heat pump system for problems. He will clean the compressor and coils, tighten any connections that may have loosened up and change the filters as needed. In addition, a skilled technician will be able to detect any early signs of trouble and make necessary repairs to prevent break downs. These small repairs can prevent big problems later on, thereby preventing some serious discomfort and a possible big expense.
If you are considering a heat pump as a heating and cooling solution for your home, great. If you have already decided on one and had it installed, congratulations on making a smart decision. Now, make another smart decision to protect that investment by keeping your new heat pump properly maintained.