Carney All Seasons Blog: Posts Tagged ‘Montgomery County’

What Features Should I Look for When Buying an Air Conditioner?

Wednesday, June 1st, 2011

There are so many different types and styles of air conditioners on the market these days, it can be difficult to figure out what features are worth paying attention to when it comes time to buy one for yourself.

Of course, the most important thing to do is make sure you get an air conditioner that’s appropriately sized for the space you’re trying to cool. But what should you look for beyond that? Here are a few features you might like to have on the unit you purchase:

  • Energy Efficiency – The more energy efficient your air conditioner is, the less your cooling costs will be. It’s as simple as that. So when you’re evaluating devices, remember that it’s worth paying a little bit more up front for a more energy efficient unit. It will save you money in the long run and you’ll be doing your part to help the environment.
  • Dehumidification – Just about every air conditioner controls humidity to a certain extent in addition to cooling. But some do this better than others. There are also air conditioners with separate dehumidification settings for those days that are more humid than hot. Even when you need both cooling and dehumidification, it’s nice to have control of each of these independently.
  • Timer – Being able to program your air conditioner to switch on and off at different times of day is more than just convenient; it will save you money. You don’t want to leave your air conditioner running all day when you’re not home, but it sure is nice to come home to the comfort of an air conditioned space. If your air conditioner has a timer, you can have both. Just set the unit to come on a half hour or so before you get home and you’ll enjoy cool, refreshing indoor comfort right when you get home without paying through the nose to keep your home cool when no one is there.
  • Easy-to-Use Controls – As simple as this one seems, you might be surprised at how inconvenient the controls on some air conditioners can be. So when you’re evaluating your options, make sure you research how easy each unit is to operate. This can definitely save you from plenty of frustration in the long run.

Air conditioners come in many different shapes and sizes. To make sure your decision works best in your home, do your research well in advance. When the summer heat kicks in, you’ll be glad you did.

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Meet One of Our Best!

Tuesday, May 3rd, 2011

Hard work is paying off for Keith Linde. After five-and-a-half years as a Carney apprentice, Keith earned a promotion to technician in December. Rather than going on service calls with a senior employee, Keith can now tackle any job on his own. “You’ve got to climb the tree to get to the next level,” Keith says. He understands the

Keith Linde

challenges the company’s current apprentices face, but he knows they’ll succeed, just as he did.

Keith first started with Carney while he was still a student at North Montco Technical Career Center in Lansdale. While enrolled in the HVAC program, Keith worked two days a week at Carney and spent the other three days in classes. HVAC has been a comfortable choice for Keith right from the start. “I’d rather do this than anything else,”
he says. “Ever since 9th grade when we [got exposure to] all the building trades, I liked HVAC the best.” The combination of HVAC and Carney gave Keith an easy transition from school to the workforce: He stepped into his job here immediately upon graduation from Montco.

Keith’s favorite part of the job is repairing a heating system that has broken down. “It’s very satisfying to restore a customer’s comfort,” he says. Keith lives in Lansdale, which is also where he grew up as the second of four brothers. Two of his brothers are now expecting their first children, and Keith is excited to become an uncle. When Keith’s not working, he enjoys being with friends and riding his Kawasaki Ninja XZX6R motorcycle.

We here at Carney are very proud of Keith and his accomplishments at our company. It has been a pleasure to have him on our team!

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What is a Whole House Fan?

Wednesday, April 6th, 2011

Cooling your home is a big deal. Especially if the temperature in your home is generally very high in the summer, the cost of air conditioning is tremendous. A central air conditioner can cost between $2,000 and $4,000 to run for an average 2,800 square foot home over the course of six months. That’s a lot of electricity just to stay cool.

That’s why a whole house fan is a great option for those that want to forego the use of direct air conditioning for at least part of the year.

What It Does

A whole house fan is different from a standard air conditioner because it doesn’t use a heat exchanger to remove heat from air before it enters your home. That heat exchanger is the culprit for a large percentage of an air conditioner’s energy consumption. A whole house fan can be used when the temperature outside is lower than inside, a common occurrence on moderate days in the summer.

The whole house fan draws air and then cycles it through your air vents without cooling it. The act of moving air through your home, however, is often enough to cool the space to a comfortable level. The size of your whole house fan depends on quite a few things. First, how big is your home? Large homes that require even cooling need a larger fan to draw in air. However, small homes can often get away with models that use as little as 120 Watts of electricity. That’s less than your computer uses.

Choosing a Fan for Your Home

Keep in mind that a whole house fan only works when the temperature outside is lower than inside. If the air outside is excessively humid or if it is very warm in the hottest months of summer, you will still need an air conditioning unit. But, even if you run your air conditioner for two months out of the year, you’ll save a tremendous amount of money in the other four months by operating a whole house fan.

Whole house fans should be used in conjunction with an effective air purification system to ensure all outdoor contaminants are effectively removed before they are cycled through your house. They also require the same level of maintenance and cleaning as a normal AC system. However, with the right care, they work wonders to cut down on your energy bill.

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Allergens: Regular Duct Cleaning Will Reduce Them

Monday, April 4th, 2011

One of the biggest problems many families face with indoor air quality is the ever persistent presence of allergens. Especially if you have pets or plants, allergens will be in your home from the day you move in. But, that doesn’t mean there aren’t many ways to reduce them – especially in the case of duct work.

Allergens in Your Duct Work

How do so many allergens get into your ductwork? It starts with how the ductwork circulates air in your home. Because air only flows one way and because the ducts are not being used continuously, the air circulated by your air conditioner or furnace leaves behind all sorts of unwanted residue.

In both cases, the air drawn into your comfort system is usually the same air from inside your home. That means it is full of things like dust, pollen, dander and more. Even if the air is drawn from outside, often the case with an air conditioner unit, there are plenty of allergens outside.

How do you stop all of these allergens from working their way into your home and then your lungs? It starts with regular cleaning. You can’t ever truly stop allergens from coming inside or circulating in your air ducts, but you can take big steps in removing many of the contaminants that linger in your ducts.

Annual cleaning of the ducts by a professional will remove excess build up in places you cannot normally reach. Between those cleaning visits, you should supplement the cleaning by dusting and vacuuming vents and the areas of your ducts you can reach.

Going Beyond Cleaning

Cleaning your ducts is a great way to reduce allergens in the house. That alone, along with quality ventilation will take care of the most common allergens. However, if people in your home suffer from asthma or more severe seasonal allergies you may want to upgrade your preventative measures with an air filtration and purification system.

An air filter alone, equipped with a HEPA filter, is capable of removing particles and allergens as small as 0.3 microns – far smaller than dander, pollen or dust. For those with more advanced allergies or too many outdoor contaminants, a purifier works wonders by removing excess gas, smoke, or mold from the air with ionization.

Whatever your concerns, it is possible to live comfortably in your home despite allergies. Stay on top of cleaning and get your air tested to see if filtration will help. From there, you can remove almost anything.

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How to Improve Your Indoor Air Quality

Friday, April 1st, 2011

When we think of air pollution we often think of outdoor “smog”, but the air in your home or office may also be polluted, even if it looks clean. Sources of indoor pollution include

  • Mold
  • Pollen
  • Cigarette smoke
  • Household cleaners
  • Household décor and furnishings (like rugs and paint)
  • Household pesticides (like rodent or ant-killers, or plant sprays)
  • Radon
  • Carbon monoxide
  • Building materials (like asbestos and lead)

Indoor air quality is of particular concern in newer, better-insulated homes, or in older homes that have been recently weatherized. The “tightness” of modern houses means that any pollutants that get into the home stay there – and perhaps even increase in concentration over time if the source of the pollution is inside the house.

Indoor air quality problems can cause discomfort and even serious disease, especially in children. The good news, though, is that there are many effective ways to improve indoor air quality.

There are three basic strategies for improving indoor air quality:

  • Air purification. Air cleaners range from small tabletop models to full-house models that are part of the central heating and cooling system. Small air purifiers are typically not very useful, but central air filters can be very effective at removing airborne contaminants. If your heating and cooling system does not include central air filtration, you should consider an upgrade to a new system.

    It is important to note that air purification will not remove gases like carbon monoxide or radon from your home. Gas pollution must be remedied by professionals.

  • Ventilation. Many forced-air heating and cooling systems do not bring outdoor air into the home. Kitchen and bathroom exhaust fans and attic ventilation fans (when weather permits) can be very important in promoting the circulation of air. Also, opening windows is very important, especially when doing short-term activities such as painting that increase the number of pollutants in the air.

    You should also consider upgrading to one of the newer central heating and cooling systems that bring outdoor air into the home.

  • Source control. This is the most important indoor air quality strategy, and in many cases, the simplest one. Source control is definitely the most cost-effective strategy for improving indoor air quality, because purification and ventilation both require a constant use of energy.

    Switch to all-natural household cleaners, buy household furnishings made of natural fibers (instead of synthetic fibers that can “off-gas” volatile organic compounds). When painting, use VOC-free paint. Quit smoking, if you haven’t already.

    In some cases, source control must be done by a certified contractor. Asbestos should be sealed or enclosed (asbestos is not a hazard unless it is disturbed, at which point it can release a dangerous dust). Radon gas should be mitigated whenever possible by sealing cracks in the foundation where the gas enters, or by filtering the water supply if water is the source. Gas stoves can be adjusted to decrease the amount of emissions. Lead paint can be scraped off or covered with modern, lead-free paint (this is not a DIY job and requires EPA training).

    And, don’t forget to install a carbon monoxide detector in your home, ideally next to the sleeping areas.

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No Heat in the House? Things to Check and Do

Wednesday, March 30th, 2011

In general, when your heating system stops working, you’ll need to call a professional to come out and take a look. However, before you do that, there are likely a couple of things you can check on your own to ensure that there really is a problem with the system itself.

For instance, if it’s cold in your house and your heat isn’t coming on, check to make sure that the thermostat is set to a high enough temperature that the heating system would be triggered. Particularly if this is the first really cold day of the season, it’s entirely possible that your thermostat was turned down at some point and left there. And if the thermostat isn’t turned up high enough, the heat will never come on.

Also, it’s worth just taking a second to check and make sure that the power switch on the heating system itself is actually in the proper on position. For the most part, there would be no reason for you to turn this off, but it’s always possible it could have happened in any number of ways and it only takes a second to check.

Depending on the type of fuel source your heating system uses, it’s probably a good idea to check to make sure the supply is still available as well. If you use natural gas, check to make sure that the gas line is open, but don’t try to repair it yourself if it seems to be compromised. If you find something like that, be sure to call your gas company right away.

However, if you use oil as a heat source, take a quick peek at the levels in your tank. There’s always the possibility that you used more than you thought you did or that a delivery was missed for some reason and so your heating system simply has no fuel to run on. Similarly, if your heating system runs on electricity, make sure that the fuse wasn’t blown or that it’s not just too loose to provide an adequate power supply.

If you’ve covered all of these basic troubleshooting bases, it may be time to take a closer look at the heating system itself. On just about every type of system there should be some type of reset switch or button. Follow the instructions to press this button and engage the reset process, but be sure to only try this once. If that resetting doesn’t work, it’s time to back off and call in some professional help.

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What Is Forced Air Heating?

Monday, March 28th, 2011

Chances are that you’ve heard the term forced air heating before, particularly if you’re in the market for a new home heating system. But what does that actually mean? The truth is that if you’re asking this question, you’re not alone. There are so many types of home heating systems out there that it’s common to be a bit confused and overwhelmed by it all.

The truth is that a forced air heating system is simply a heating system that distributes heat throughout your house using air to carry it. In this type of system, heated air travels through a system of ducts and is expelled through vents into the different rooms and areas of your home in order to maintain a particular temperature. That temperature, of course, is whatever you set your thermostat to, and when the desired temperature is reached, the heat will shut off until the temperature drops down again.

The main difference between the different types of forced air heating systems is the type of equipment that heats the air. For instance, you could have a gas furnace, an electric furnace, a heat pump or a hydronic coil. All of these are capable of heating air, and when paired with a fan, blower or air handler, can distribute heated air throughout your home.

Many forced air heating systems are remarkably energy efficient and can effectively keep you home comfortable all winter long. Additionally, they are generally made to be incorporated with central air conditioning systems for year round temperature control. Heat pumps are especially convenient in this way, as they’re able to both heat and cool your home depending on the season and your home comfort needs.

Particularly if you already have ductwork in place or if you’re choosing a heating system for a new construction home, it can make a lot of sense to opt for some type of forced air heating. However, if you’re looking to replace an existing heating system in a house that doesn’t already have ductwork in place, the need to put it in can add a lot to the overall installation costs of the system.

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Geothermal Myths

Friday, March 25th, 2011

As with any misunderstood technology, there are a lot of myths and misconceptions concerning geothermal heat pumps and how well they work. While these types of systems certainly have their limitations, the same is true of just about any type of heating and cooling system you could have installed in your home. But if you are really trying to evaluate whether or not a geothermal heating system is right for your home, you need to know exactly what is true about these systems and what is just not true.

For instance, there is a widely held belief that geothermal energy is not a viable heating option in areas with harsh winters. The fact is, though, that even when the air temperature outside is below freezing, the temperature several feet below ground can be as high as 55°F.

With a ground temperature like that, a geothermal heat pump will have no trouble extracting enough heat to keep your home comfortable even when it is well below freezing outside. And even when the ground freezes, the frost usually only extends three or four feet below the surface. Since the pipes for your geothermal heat pump will be at least four feet down, the frost should not affect them at all.

Also, it is common for people to assume that geothermal heat pumps will always need to have a regular heating system in place to serve as a backup. In fact, a geothermal heat pump is quite capable of providing consistent and adequate heating for your entire house as long as it is properly sized and installed. Make sure you are dealing with an experienced and qualified contractor and you will have no problems along these lines.

There are also plenty of myths floating around out there that geothermal heat pumps are just too expensive to make sense as a home heating solution. The truth is that geothermal heating costs almost nothing to operate.

While it is true the geothermal systems are quite a bit more expensive to install than many of the other options, alternative heating systems will still cost a significant amount to install and you will also have to pay much more to operate them on a regular basis. With a geothermal heating system, you pay quite a bit up front, but it is a one-time cost and there will be minimal monthly heating bills after that.

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How Does Geothermal Energy Work?

Wednesday, March 23rd, 2011

Geothermal energy is energy extracted from the ground. This energy is in the ground in the first place because the ground absorbs the heat coming from the sun. This heat is always there, even when it is very cold outside. In fact, even when the ground appears to be frozen, you can actually extract plenty of heat to keep your home nice and toasty.

While this may at first appear to defy logic, the way that geothermal energy can be used for heating your home is actually quite simple. A geothermal heating system typically consists of an indoor air handler with a fan, a series of air ducts for the heated air to travel through and a closed loop of pipe that extends into the ground below and around your home.

This closed loop of pipe is actually where the geothermal heat is collected. Some type of liquid, usually water or antifreeze, will be continuously run through this pipe loop. As the liquid passes through the area of pipe that is below ground, it will absorb the heat from the surrounding soil. Once the liquid makes it back up to the air handler, the heat is able to disperse, heating the air in the chamber.

This heated air is then circulated throughout your house through the ducts by a fan. After it has released its heat into the air in your home, the liquid will cycle back into the ground to absorb more. This allows a geothermal heating system to provide you with a constant supply of warm air.

Unlike a furnace, which mixes in blasts of very hot air with periods of inactivity to try and keep your house at a constant temperature, a geothermal heat pump is able to provide a more consistent flow of air that is just the right temperature to keep your home comfortable. This means that these types of heat pumps are running just about all of the time as opposed to furnaces, but they are designed to work this way and the constant operation does not cause any excessive wear and tear.

Another great benefit of geothermal heat pumps is that they are able to keep your house cool in the summer as well. Just as the ground is warmer than the air in the winter, it is also cooler in the summer. That means that heat removed from your indoor air can be transferred to the ground in the same way that it was transferred in during the winter.

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Is Geothermal Energy Renewable?

Monday, March 21st, 2011

Geothermal heating systems take heat from the ground and transfer it to your home. But how does this heat get into the ground in the first place? Conventional heating systems like furnaces use energy sources like oil or natural gas to generate heat. These energy sources are not renewable, and neither is electricity which is typically generated by burning coal or another non-renewable resource.

The renewable resources we usually think of first are solar and wind power. The sun, of course, will continue to shine and provide heat year in and year out whether we make use of it or not. Similarly, we cannot use up the wind. It will continue to blow no matter how many times it has blown before.

But what category does geothermal energy fit into exactly? Well, it is actually a renewable resource just like solar or wind energy. In fact, geothermal energy is a direct result of the sun’s heat relentlessly pounding the ground. The ground actually absorbs a considerable amount of the heat from the sun that reaches the earth every day, and that is the heat that your geothermal heating system is using to heat your home.

Of course, a geothermal heating system cannot run on geothermal energy alone. The indoor components of this heating system that keep the air flowing throughout your house must be powered by electricity. But the amount of energy needed to do this is much less than what you would need to use to run a furnace or other type of more conventional home heating system.

Over all, geothermal energy is an excellent and renewable source of energy. And once you have the heating system in place, you will need to spend very little to keep it up and running. It is an excellent option for many people, and can help to keep your home cool in the summer as well.

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