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According to numbers from the Department of Energy (DOE), about 70 percent of U.S. households rely on a furnace for their heating needs. As dependable as this popular appliance may be, there are several common problems that may interrupt its operation. When these issues occur, they often cause a decline in efficiency and possibly even air quality. Here are the ten most common heating repair jobs and their causes. Dirty Filters Failing to clean and/or replace your furnace's air filters will almost certainly result in clogs that reduce airflow, forcing the appliance to work harder to circulate warm air. In time, the problem could even damage the limit switch that controls the fan. Wear and Tear They may be built to last, but even the most stalwart appliance won't run forever. According to HVAC experts, the average furnace should provide reliable service for 13-25 years. Toward the high end of that range, most will begin to show their age. Airflow issues and even overheating are not at all uncommon in older models. Breakdowns Although rare, a furnace may experience a sudden, unexpected breakdown. This problem is almost always the result of advanced age or insufficient maintenance. Routine service from an experienced heating repair professional should ensure efficient, reliable operation. Faulty Thermostat A malfunctioning thermostat often causes issues with the blower or fan, which may adversely affect home comfort levels. The device should be inspected by an HVAC professional as soon as possible. No Heat A furnace that does not perform its primary function is not necessarily broken. In many instances, the problem is either an improper thermostat setting or an issue with the gas or the pilot light. Insufficient Heat The most common cause of this problem is a clogged air filter that reduces the airflow in the home. There's also a chance that the appliance is simply not large enough for the space it must serve. Nonstop Cycling When a furnace doesn't stop cycling between "on" and "off" modes, it may indicate a badly clogged air filter or an improper thermostat setting. Either way, the issue can easily be addressed by a heating repair professional. The Blower Runs Around the Clock Because it should only operate when the heat is on, a blower that runs continuously is in need of immediate attention. In most cases, the issue is a faulty limit switch that is not letting the blower take a much-needed break. Rumbling, Squeaking, Rattling Contrary to popular belief, your furnace should not make a lot of noise when it's up and running. A noisy appliance is most likely suffering from a mechanical problem, airflow issue, or a clogged burner. Pilot Problems A faulty pilot or ignition could result in inconsistent operation. In most cases, interruptions are caused by clogs or thermocouple malfunction. If you experience any of the aforementioned issues, contact a heating repair professional immediately. To learn more about their options for heating repair, Orange County, NY residents should visit http://www.larsonsheating.com/heating/.
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