An experienced furnace technician can often diagnose heat exchanger. The your heat exchanger is cracked so your furnace must be. If we discover that a customers furnace has a cracked heat exchanger, we shut the furnace off at the electrical switch and gas valve and tag the appliance for repair. Cracked or corroded gas furnace heat exchangers leak co and other poisonous gasses into the home living area though air ducts. The heat exchanger on a furnace is the section that keeps the combustion chamber and the breathing air separate 3. Residential 80% furnaces made in the last 30 years with airconditioning coils on the discharge outlet of the furnace do not allow carbon monoxide to enter the indoor air stream. A cracked heat exchanger is a serious failure in your gasfired furnace. Hvac businesses in minnesota lock out furnaces when cracked heat exchangers are found. The carrier highefficiency gas furnace tradeinallowance program is designed to offer homeowners an alternative to replacing only the heat exchanger under the terms of their limited lifetime heat exchanger warranty on a first generation carrier condensing furnace. Avoid these 4 common furnace repair scams oconomowoc. The furnace heat exchanger is the one of the main components inside the gas furnace and its used to transfer the heat from the. If you have an iron heat exchanger, then you need to find an iron repair liquid, which uses chemical reactions to seal holes in iron.
Should i replace my heat exchanger or buy a new furnace. This achr news article explains what to look for when inspecting a furnace flue. Failed secondary heat exchanger in surrey, langley, delta, white rock or abbotsford. The secondary heat exchanger and everything else was pronounced as ok. When a furnace has a cracked heat exchanger, can it be repaired. Had to change out a carrier furnace with a cracked heat exchanger. As these two streams of air come together, they can cause inexplicable changes in the behavior of your furnace flame. Recently we replaced a seriously failed carrier furnace. A crack in your heat exchanger is no trivial matter. Broken and leaking heat exchangers are responsible for about 1,500 deaths per year in the united states, and many more people are poisoned by exposure to toxic gasses that go unfiltered by defective heat exchangers. Perhaps the most common furnace repair scam is the cracked heat exchanger scam. A warning about cracked heat exchangers in gas furnace. The furnace no longer functions to produce heat due to diagnosed heat exchanger restriction per inspection guidelines provided in smb 090022.
The reason a crack in a heat exchanger is such a cause for concernand reason to think about replacing a furnaceis because it creates a major health hazard. Carrier high efficiency gas furnace heat exchanger issues one the most common issues found in carrier high efficiency gas furnaces is corrosion or blockage is their secondary heat exchangers in approximately 5 to 10 years after the original installation date or in other words premature secondary heat exchanger failure. It is important that the heat exchanger is taken care of as hazards can build from a faulty exchanger. The heat of the combustion gas raises the temperature of the metal, and as the air from the blower passes around it, heat transfers to it. If your heat exchanger is cracked, your furnace is probably nearing the end of its life 1820 years. Carrier 58gs125 heat exchanger inspection cracked youtube. Many of these units have developed serious operational issues or have failed completely. If the heat exchanger is cracked, byproducts of the combustion process that takes place within the. Leaking and broken heat exchangers expose homeowners to toxic gases, which can be very dangerous to you and your family. The american gas association has even put this in writing they say any visible crack or hole is reason. The multispeed, directdrive indoor fan motor provides very quiet operation, with sound ratings as low as 75 db. I definitely have a cracked primary heat exchanger and will be replacing our furnace. Can you repair a cracked heat exchanger on a gas furnace. This video is about the your heat exchanger is cracked so your furnace must be replaced scam.
Below is the procedure of heat exchanger replacement for carrier furnace. When a heat exchanger becomes damaged and the combustion fumes and gases mix with the clean air. A shady repair technician may try to trick you into believing the heat exchanger in your furnace is cracked and leaking deadly amounts of carbon monoxide into your home. It is a combination metal chamber and passageway that starts at the burner assembly and ends approximately where the chimney vent connects to the furnace. Not only is furnace performance an issue, but heat exchanger malfunctions can pose serious health and fire risks. Carrier common furnace problems premature heat exchanger. This was one of many carrier, bryant and payne furnaces we have been seeing recently installed prior to 2010 with a problematic secondary heat exchanger. The heat exchanger in a furnace separates the combustion process from your breathing air. The heat exchanger serves a vital function the heating cycle of a furnace. As air is circulated through the hvac system, it passes over the heat exchanger and absorbs thermal energy before its circulated throughout the house. Cracked heat exchanger deciding to repair or replace.
When a furnace has a cracked heat exchanger, can it be. The furnace produces heat but fails combustion analysis test due to heat exchanger restriction as diagnosed per guidelines provided in smb 090022. You can just have the heat exchanger replaced, but it is an expensive repair, and a new furnace is often the smarter investment. Looking for a furnace repair or replacement in new jersey.
A damaged heat exchanger in a gas furnace is not an issue that should be ignored. The heat exchanger is a metal container inside the furnace. Press this onto the furnace heat exchanger, and allow it to dry. Because it allows the exhaust fumes inside the exchanger to. No matter who you ask, replacing a heat exchanger will be expensive.
Located in the center of the furnace, it is where fire, gas and heat connect. In most cases, if the heat exchanger is cracked, your hvac company will recommend replacing the entire furnace. Carrier heat exchanger failures carrier furnace, air conditioner. The heat exchanger contains the gas combustion chamber. Changing out a carrier furnace with a cracked heat exchanger. How to tell if your heat exchanger is cracked cowboys. The heat exchanger absorbs energy from the burner flame and transfers it to airflow in the furnace plenum. A cracked heat exchanger in a gas furnace is a serious safety issue. This is a sign that the burner is not burning properly and needs to be fixed. This trips a safety switch and shuts down the furnace. Step 1 furnace with faulty heat exchanger inspection by. A cracked heat exchanger allows the combustion air from inside your furnace to mix with the air being sent up into your home. Combustion gases leaking from a cracked heat exchanger can cause frequent headaches as well as flulike symptoms.
Heat exchanger cracks are a serious furnace repair issue. A damaged heat exchanger in a gas furnace is potentially dangerous to a homes occupants and should not be ignored. Beware of an unethical technician who finds a crack with a camera on a furnace that seems to be running just fine. Symptoms of a cracked secondary heat exchanger carrier. A heat exchanger is made of thin metal, and as it heats up from the combustion of the furnace, it transfers the heat to the air being distributed through the house by the blower 3. The carrier 48gs is a threephase packaged gas heatelectric cool furnace with an efficiency rating of 10.
The program offers consumers an alternative to replacing a cracked secondary heat exchanger with significant allowances on select carrier model furnaces. Signs your heat exchanger is cracked romaniuk edmonton. Pour a little bit of the chemical on the hole, and leave it to dry until it seals around the exchanger. Carrier heat exchanger class action settlement houzz. Even though your furnace may look and seem fine, dangerous gases could leak into your home. The furnace heat exchanger is the one of the main components inside the gas furnace and its used to transfer the heat from the gas burner to the warm air thats blown into your home. It must be replaced as any welding will simply fail because of the expansion and contraction and the brittle nature of the much worn metal of the cracked heat exchanger. A gas furnaces heat exchanger is another potential source of leaked carbon monoxide. The cause of cracked heat exchangers avoid this common scam.
A cracked heat exchanger allows air from the furnace blower to interfere with the flame causing it to flutter or even roll out. The your heat exchanger is cracked so your furnace must be replaced scam. Even though your furnace may look and seem fine, dangerous gases could. The dangers of a cracked heat exchanger help heating. A furnace with a cracked heat exchanger will definitely produce carbon monoxide and poses an immediate danger. Many hvac contractors find cracked heat exchangers using visual analysis and use the results to recommend furnace replacement. One of the most common reasons a gas furnace can be taken out of service, is when the repair technician finds to a cracked heat exchanger. My 2001 msa carrier furnace heat exchangers just went out.
Even though your furnace may seem fine, dangerous gases leaking into your home is a serious detriment to your health and even a potentially lifethreatening situation. It can be hard to know if your heat exchanger is cracked by merely looking at it. I am not an expert but i dont think the problem is due to a cracked heat exchanger. More commonly, the cause of a cracked heat exchanger is misapplication or poor maintenance of the furnace. Were you recently told that your furnace heat exchanger is cracked and needs to be replaced. Weve met with lots of homeowners looking for a second opinion about a supposedly cracked heat. Look to comfort flow heating and our 24hour emergency repair service for heating systems in salem, or when you think you have a cracked heat exchanger or any other repair issue in your gas furnace. Have you heard this one recently, you have a cracked heat exchanger and your furnace has to be replaced, today. Weathermaker furnace not heating, produces a sour smell in exhaust. Carrier corporation agrees to compensate consumers for.
Should i replace my furnaces heat exchanger or get a new. In an attempt to sell new furnaces, numerous heating contractors will lie about cracked heat exchangers. We have an 18yearold weathermaker furnace with what i think is a cracked carrier heat. If i find that both heat exchangers failed, i can get the credit. They will push you hard to either get it fixed immediately or replace the unit entirely on. Combustion pollutants, such as carbon monoxide, nitrogen dioxide and sulfur dioxide, can cause eye and nose irritation, disorientation, sleepiness and nausea.
Cracked heat exchanger oxygen reading rises while furnace is heating up at time 1. The heat exchanger is a key part of the furnace and is responsible for the actual heating of air. Cracked heat exchanger deciding to repair or replace depending on the age of your furnace, a cracked heat exchange probably means you need a new system. What a cracked heat exchanger means comfort flow heating. Basically, the heat exchanger is where the furnace heats the air. A damaged heat exchanger can leak dangerous carbon monoxide into your home.
Even though your furnace may look and seem fine, dangerous gases could leak into your home and seriously affect, even kill, your family members. If the oxygen reading rises to abnormal levels once the lower turns on, this is because the blower is pushing air into the combustionchamber through the crack in the heat exchanger. Unless you are one of the top 3% of people who have all the money, replacing the furnace is going to hurt the pocket book if you have not planed for it, but it has to be done. Cracked carrier heat exchanger green energy efficient homes. Signs and symptoms of a cracked gas furnace heat exchanger. But the decision to repair or replace a heating unit can be difficult. Carrier heat exchanger replacement carrier furnace, air.
Noises from a bryant twostage furnace home guides sf gate. The american gas association has even put this in writing they say any visible crack or hole is reason for requiring replacement of the heat exchanger or furnace. Furnace crack heat exchanger, cracked firebox, furnace repair. All too often, furnaces are grossly oversized or used incorrectly which causes the heat exchanger to fail prematurely. Its the most common cause of excess carbon monoxide in a home. The furnace is a carrier thatunder a settlementcarrier agreed to either pay the labor and parts to replace the secondary heat exchanger, including labor, or to give a credit to a new furnace installation. Diagnosis of a heat exchanger crack typically starts with a noheat service call. Safety notice carrier secondary heat exchangers airco heating. According to becca virden, the public relations spokeswoman at centerpoint energy, we do our best for our customer by putting their safety and comfort first, safety being first. Very few, if any, furnaces with a typical small crack or hole in the heat exchanger. A rattling sound from inside a gas furnace could be a sign the heat exchanger is cracked.
The number two reason for heat exchanger failure is rust. The reason a crack in a heat exchanger is such a cause for concernand reason to think about replacing a furnaceis because it creates a. If you think you have a cracked heat exchanger, the best practice is to call a professional as soon as possible because a cracked heat exchanger is a serious safety issue. The cause can be anything from tilted burners to cracks in the heat exchange itself. They can come inspect your furnace and determine if you do indeed have a cracked heat exchanger. If the furnace has a soot buildup inside of it, then chances are that the heat exchanger is damaged.