Posts Tagged ‘Heating Repair’

Gradyville Furnace Repair Question: What Causes Cracks in a Heat Exchanger?

Wednesday, February 22nd, 2012

Furnaces are designed so that the heat – and the combustion byproduct produced inside – doesn’t interact directly with the outside air. This design is to ensure you have a safe furnace in your Gradyville home that won’t inadvertently affect your family’s health.

The metal piece that separates the furnace heat from the outside air stream is called the heat exchanger. The heat exchanger performs a very important function, and if it is broken or cracked, it can’t work properly.

A cracked heat exchanger is very common problem with heating systems, as well as one that should be repaired as soon as possible. But what causes a heat exchanger to crack? Here are some of the most common reasons:

  • A long period of normal use. A furnace heat exchanger naturally expands and contracts with the heat of the furnace, over and over again as the furnace is turned off and on to heat the home. Over several years, this stress can crack the metal.
  • Poor air flow, often caused by dirty or obstructed vents, can result in poor air flow through the furnace. This overworks the furnace, which can crack the heat exchanger prematurely.
  • Poor, incomplete or improper combustion can also cause a heat exchanger to crack. When the combustion process is less efficient – which can also be a result of poor air flow — your furnace’s burners have to run hotter and longer to heat your home, which means extra stress on the heat exchanger.

Essentially, if a furnace is running at less than optimal efficiency for an extended period of time, the heat exchanger is put under additional stress beyond the usual and can crack prematurely. Therefore, the best way to prevent a cracked heat exchanger is proper maintenance, particularly keeping all vents clean and unobstructed and getting an annual maintenance inspection.

If your heat exchanger does crack, do not hesitate to call Cool It Heating & Air Conditioning and get it repaired. The crack can allow potentially dangerous combustion gases to seep into your home, which can have a negative impact on your family’s health.

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Villanova Heating Repair Tip: Reasons Your Furnace Is Producing No Heat

Friday, February 17th, 2012

The last occasion on which you want to worry about your furnace not producing any heat is the dead of winter, when the outside is chilly you just want to seek refuge in your own toasty Villanova home…only to discover that it’s not much warmer than the outdoors.

This may seem like a total emergency, and the combination of chill and frustration may cause panic to set in. Don’t start fretting too much just yet, though. There are some potentially simple causes and solutions for this problem, such as:

  • The thermostat may be set too low or on the wrong setting. Yes, it seems obvious, but sometimes the solution is staring you right in the face. Check that your thermostat is set high enough to call for heat and that it is on HEAT mode.
  • A circuit breaker may be tripped or a fuse may be blown. It could be the one dedicated to the thermostat, glow coil igniter or furnace itself. Check the breaker or fuse box in your home and either flip the breaker or replace the fuse. If it continues to trip or blow, get it looked at professionally—there may be a bigger problem going on.
  • The thermostat may not be working, so it is either improperly detecting the temperature or improperly reporting it to the furnace, so the heat does not kick on. Either way, it probably needs to be replaced.
  • The furnace is not igniting properly. This could mean the pilot light is out on furnaces without electric ignition, the gas valve is closed and can’t ignite or some other ignition malfunction. Check the pilot and gas valves to make sure they are on and working.

If you have checked all these things and the thermostat still is not working, or if you don’t feel comfortable looking into these causes on your own, you are best served by calling a professional repairman like Cool It Heating and Air Conditioning to diagnose and fix the furnace.

Often, these big failures are just the symptom of a smaller problem, so in all likelihood you won’t have to replace the furnace or do any major repairs, especially if it has been well-maintained throughout its life.

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Concordville Heating Repair Question: What Are Flue Gas Spill Switches?

Monday, February 13th, 2012

While some components of a heating system make sense to the average Concordville homeowner – think blower fan, thermostat and air ducts – others are more esoteric and prone to bouts of head scratching.

So, you may find yourself asking “what the heck is a flue gas spill switch?”

As you know, gas heating appliances produce heat by means of combustion. The gas line feeds gas into the appliance, the gas is ignited, and the burning gas produces heat. It’s a simple concept that goes all the way back to our caveman ancestors building fires to keep warm, and it is the same process in gas furnaces, boilers and water heaters.

In addition to producing the cozy heat we love in the winter time, this combustion process also releases gases. Known collectively as “flue gases,” some of these – carbon monoxide being the most notorious – can be very toxic. This why we have flues or chimneys in our homes– to give these gases a means of egress.

A flue gas spill switch is designed to shut down the furnace if these gases start seeping out. It is made up of a sensor or series of sensors that detect heat outside the flue, not unlike the flame sensor in your furnace. If flue gases start to escape and pass by the sensor, the sensor heats up and signals the furnace to shut down. This cuts off the power and gas, so that no more flue gases can leak into the home and create a health concern.

If your furnace has been abruptly shutting down, it could be your flue gas spill switch trying to tell you that you have a leaky or cracked flue. If this is the case, you want to have it repaired right away. The constant off and on is not good for the furnace, and more importantly, those flue gases can be exceptionally hazardous to your family’s health. If you think you have a problem with your furnace, give Cool It Heating & Air Conditioning a call!

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Bala Cynwyd Heating Repair Question: Why is my Air Handler Squealing?

Monday, February 6th, 2012

Unusual noises coming from your Bala Cynwyd home’s expensive HVAC system never a good thing; they make you worry that something is wrong.

It’s true that an unusual noise does often mean that something needs to be fixed; however, a noise emanating from your HVAC system does not necessarily mean a major repair. You should always have a technician check out if you suspect a problem with your system, but not all problems are going to be expensive to fix.

One common noise that homeowners notice and complain about is a squealing noise originating in the air handler. Usually, this noise is coming from the fan belt that connects the blower fan and the motor. Over time, the belt can stretch out and become worn or misaligned, which makes it slip and generate that aggravating squealing noise.

So, while the squealing can be annoying and unpleasant, a slipping belt is by no means major. A belt is an inexpensive part and a technician can install it in just a matter of minutes.

As long as the noise is a squealing and not a grinding, this simple fix will often take care of the problem. If you hear a grinding noise, however, immediately shut the unit down and call a technician. This may mean that your motor bearings are worn out and need to be replaced ASAP before further damage is inflicted on the motor itself.

 

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Concordville Heating Repair Tips: Furnace Air Flow Problems

Friday, February 3rd, 2012

Whenever you notice furnace air flow problems in your Concordville home, you can usually do a little troubleshooting and solve the issue on your own. Most air flow problems can be fixed easily and quickly. Here are a few guidelines to get you started, but if you need help or notice other problems with your furnace, call a qualified Cool It Heating and Air Conditioning heating technician.

Furnace Filters:
Checking the furnace filter is the first step you should take when there are any issues with your furnace, but especially with air flow problems. If a filter is dirty enough, the furnace will not come on at all. Ultimately, a clogged or dirty filter restricts the air flow, and this is the source of air flow problems ninety percent of the time.

Supply Registars and Cold Air Returns:
Once you’ve replaced or cleaned the filter, check your cold air returns, which are the vents that draw in the cold air in forced air systems. When a cold air return is blocked  by furniture or other obstructions, they cannot draw in enough air to allow the furnace to put out an adequate amount of hot air. Make sure they are open if nothing is blocking them.

Next, check your supply registers, which are the vents that supply the warm air, and make sure they are open as well. Whenever your heat is on, all of your supply registers should be open. Closing some vents will not increase the air flow in other vents in the house. Closing off one or two in areas where heat is not always needed will not hurt your system; however, when you close too many supply registers, it can cause problems with the ductwork and eventually damage the furnace if the air pressure is not correct.

Clean Your Vents:
You should have a qualified HVAC technician professionally clean your ducts and vents at least once a year, which is another reason it’s important to schedule annual maintenance visits. A professional cleaning is typically part of the yearly heating system inspection. You can help by vacuuming your vents regularly, particularly during the months the heating system is not in use, or at least before you turn it on in the fall. Simply cleaning your vents can help air flow and extend the life of your entire heating system.

If you continue to experience air flow problems, call a certified heating technician at Cool It Heating and Air Conditioning. There could be a more serious issue, or if you have a newer furnace, your original ductwork could be the wrong size for that furnace model.

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Malvern Heating Repair Guide: Condensate Drain Line Freezing Problems

Monday, January 30th, 2012

As you know, the condensate produced as byproduct during normal operation of your furnace has to be drained away. It’s toxic, very acidic and has been contaminated by the normal combustion that takes place in your Malvern home’s furnace, so you certainly don’t want it hanging around.

The typical solution is to have it drain out through a drain pipe, usually beneath the floor of your basement foundation, or down the side of your home and out through a downspout. But have you ever had your condensate line freeze up on you? That is no fun chore to deal with.

A frozen condensate line is usually caused by poor insulation. What happens is that when the temperature drops, the rate of drainage begins to slow down and the droplets begin to freeze one by one, like icicles, until the whole pipe is frozen. This creates obvious problems and can interfere with the proper heating of your home.

Usually, this just means the pipe is poorly insulated, which is a solution that can be remedied. If you have a condensate drain line that freezes anywhere other than under the foundation – for example, one the runs down the side of your home – you can try wrapping it in heat tape.

Sometimes, the best way to rectify the situation once and for all is to reroute the pipe. This can be a somewhat involved process, depending on where the drain line is. For example, if the pipe is poorly insulated because it is buried to shallow beneath the foundation, it will have to be dug up to be rerouted along a warmer path.

If you have already tried insulating the pipe with heat tape or some other solution, but the freezing problem continues to occur, then rerouting is probably your best option. For that kind of job, the average Malvern homeowner should consult with a professional, as the job can get challenging and a little dangerous.

It will be worth it to not have to deal with that freezing drain line anymore, though.

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Ardmore Heating Repair Service – Another Happy Customer!

Friday, January 20th, 2012

When you hire a heating and air conditioning company, you don’t just want a skilled technician, you want someone who will answer all your questions and do the job right the first time. That is why we offer a 100% satisfaction guarantee; we are that confident that both our service and our equipment will exceed your expectations.

Our technicians are some of the best in the business, which is why we offer a fixed right or its free guarantee. We always keep the best interest of our clients in mind; here is what Joann in Ardmore wrote to us about her recent heating repair:

Excellent service! They diagnosed the problem right away when others couldn’t figure it out. A very honest & professional company to deal with.

- Joann W. in Ardmore, PA

Thanks Joann! It is always better to get problems fixed early than to have a complete heating breakdown in the middle of winter. We are glad we were able to help!

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When Should You Replace Instead of Repair Your Heating? A Question from St. Davids

Monday, November 21st, 2011

We all dread an expensive repair, whether it is a car that needs a new transmission, a leaky roof that needs new shingles, or electrical wiring that has been chewed up by a wild animal. We often try and put bandages on things that we know should be replaced but we just can’t afford to replace them.

The same can be said about your St. Davids home’s heating system. When your heat goes out or your home just doesn’t seem to be heating up to the setting on your thermostat, your first inclination is to check and see if it is running. Some people will put their hand over a heating vent to check for hot air while others may go into the basement or mechanical room to listen to hear if the furnace is running. Maybe there is a blockage in the ventilation system or a blown circuit breaker, two relatively easy fixes.

If the furnace isn’t working after checking the obvious symptoms, your next move is to call for service. Any qualified heating professional would be able to diagnose your problem and offer suggested repairs. Something relatively minor like a bad circuit board or blown fan motor are not real expensive repairs and are the best option versus replacing the furnace. And you may keep experiencing the same problem and getting the same repair work done – anything to avoid an expensive replacement.

But at some point the vicious cycle will come to an end. Your repair bills will begin to inch their way past the cost of replacing the furnace. You can only bandage a problem so long before it becomes “unfixable.” You may not want to pay an expensive replacement bill but consider the alternatives.

First is the obvious – it costs too much to keep repairing the furnace. Secondly, you never know when the furnace may break down and its failure to operate could have dangerous effects on the people in your home, especially if someone is sick. Third, your furnace may not be able to keep up with the heating demand due to lifestyle changes, i.e. an addition put on the house, carpeting removed and wood floors exposed, a new window, door, or skylight added, etc. Your old furnace may not have been designed to keep up with these changes and the repairs are only delaying the inevitable.

Ask yourself if everyone in your home is comfortable during cold weather. If most answer no, it may be time to consider replacing that old furnace with a new, energy efficient model that uses today’s technology – and leaves a smaller carbon footprint – to keep up with the demand for heat, in any sized building or home. Your decision to replace your old heating system could be as simple as the need to use modern technology to solve your indoor comfort problems.

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Furnace Fan Doesn’t Run? Why Is That? What Should You Do? A Tip from Edgmont

Wednesday, October 12th, 2011

There are several reasons that a furnace fan might stop working at one point or another. While many of these do require a Edgmont professional’s attention, there are probably some things you can check on your own before you go and call in the pros. After all, if you can address the problem on your own, it will at least save you from having to pay a technician to come out.

The first thing to check when your furnace is running but the fan isn’t turning is whether or not the fan is actually switched on. Certain models of furnaces have a separate switch to turn the fan on and off. While there is probably no reason that you would want to turn off the fan by itself, it’s worth taking a look just in case. If that really is the problem, you’ll be up and running and back to dealing with better things in no time.

If that’s not the problem, you might try looking to see if any wires leading to the fan are loose or the fuse is blown. If the fan has no power, of course, it won’t be able to work but the rest of the furnace likely would work just fine as long as it doesn’t run on electricity as well.

Of course, the problem very well may be beyond your power to solve on your own. Don’t despair though. Even though you need to call in a professional, that doesn’t mean that the problem will be expensive to fix. In fact, it may be as simple as replacing your thermostat or the motor for the fan itself.

Just because a fan isn’t working doesn’t mean that you’re going to be paying an arm and a leg to have work done on your furnace. If you can’t easily discover the problem on your own, however, or if you’re not comfortable inspecting this type of equipment at all, you’re generally better off just calling in an expert and letting them do the dirty work for you. Paying for simple furnace fan repairs is definitely preferable to having to pay someone to fix the fan and the stuff you broke yourself while trying to fix the fan on your own.

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