Common Problems That Homeowners Experience With Oil Furnaces

  • It Doesn’t Turn On. A furnace not turning on is one of the most common problems with oil furnaces. …
  • Not Enough Heat. …
  • Produces Too Much Smoke. …
  • High Fuel Consumption. …
  • No Flames. …
  • It Goes Off. …
  • Oil Furnace Makes Odd Noises. …
  • Produces Strange Odors.

What is the life expectancy of an oil furnace?

The average furnace will last between 13 and 15 years. However, if you remain proactive on furnace maintenance and report problem issues the moment they arise, you can extend the life of your furnace to 20 years or more.

What are common problems with furnaces?

What Are the Most Common Furnace Problems?

  1. Lack of maintenance. …
  2. Dirty Filters. …
  3. Wear and tear. …
  4. Electric ignition or pilot control problems. …
  5. Malfunctioning thermostat. …
  6. The furnace doesn’t heat at all. …
  7. The furnace doesn’t heat enough. …
  8. Frequent cycling.

Why does my oil furnace keep starting and stopping?

When a furnace keeps turning on and off, it is usually due to short cycling. This is the term used to describe problems originating from within the heating system. If short cycling is not promptly diagnosed and corrected, it could cause permanent damage to your heating unit and higher utility bills.

How do you troubleshoot an oil burner?

No oil flow comes out of the burner.

  1. Check that the oil tank float gauge is not stuck.
  2. Check for a dirty or clogged oil filter. …
  3. Check for a dirty, clogged oil burner nozzle. …
  4. Bleed the fuel unit of any trapped air, then check the pressure (pressure out, vacuum in) on the oil lines.

Are oil furnaces obsolete?

Many might think of it as an old-fashioned or outdated system, but it isn’t. Today, eight percent of American homes are heated with oil heat, and in the past decade alone, 350,000 new homes were built in the United States with oil central heating instead of natural gas.

Should I replace my oil furnace?

In fact, most oil furnaces can last 20 or even 25 years. Depending on your circumstances, though, you may need to replace your oil furnace much sooner than this, and you can definitely expect to make a few repairs along the way. However, if you keep your furnace in good condition, it should last for at least 15 years.

Why is my furnace working intermittently?

So, if your furnace keeps turning off and on too quickly, your thermostat might be malfunctioning or broken. There are several things that could be causing your thermostat to not work properly. The wiring could be old and need replacing, it might need new batteries, or it could be the location of your thermostat.

How do you diagnose a furnace problem?

Quote from Youtube video: So if your furnace is not keeping up there's a good chance that you simply have a dirty furnace filter once you replace that that should solve your problem.

Why does the furnace not stay on?

Probably the most common issue when dealing with a furnace that will not stay lit or ignite consistently is a dirty flame sensor. The flame sensor acts as a communication vehicle with the circuit board and tells it when a flame is lit inside the furnace.

Why will my oil burner not fire up?

Common causes for oil boiler lockout include: A leak in the system causing low boiler pressure. A fault in the thermostat, e.g. a problem with the radio frequency (RF) pairing which means that the boiler does not know when to fire up.

What would cause a furnace not to fire?

If your gas furnace initiates the start cycle but does not fire up, it’s likely because of a faulty, damaged, or dirty ignitor/sensor. This is a very common furnace problem—you can try to clean the sensor and replace the ignitor.

What might be the problem if the furnace runs but with short cycles?

A short cycling furnace can cause your home heating system to break down prematurely, which can be a big problem during the winter months. If your furnace is short cycling and you can’t seem to get the problem under control, contact the heating contractors at a professional furnace repair service today.

Why is my oil furnace short cycling?

Short cycling in oil furnaces (with the burner coming on as well as the blower) can also be caused by a clogged oil filter, a clogged burner tip, or a dirty photocell. Photocells are safety devices on oil furnaces that have to “see” or “prove” a flame before the pump continues to spray oil into the combustion chamber.

Why does my furnace turn on and off every 5 minutes?

Dirty or faulty flame sensor

If your furnace turns off after a few minutes, there is a good chance it is caused by a faulty or dirty flame sensor. This vital component is designed to keep an eye on the gas burner. When it cannot sense that burner, the furnace runs then shuts off and starts again.

Why does my furnace run every 10 minutes?

Bad Thermostat: If your thermostat has a problem, it can cause your furnace to run cycles that are either too long or too short. If the thermostat is sensing the incorrect temperature and not sending a cut-off signal soon enough, or if the battery is dying, your thermostat can cause your furnace to run erratically.

How long should oil furnace run before shutting off?

Running 10 to 15 minutes per cycle seems acceptable. So is running as long as 20 minutes. Even running every seven or eight minutes may not be a problem, as other factors could lead to more frequent cycling.

How long should furnace run before shutting off?

If your furnace is operating correctly, it should cycle about 2 to 3 times per hour. How long it operates depends on how cold it is outside. In milder temperatures, it may run for 10 to 15 minutes. The colder it gets, the longer the run cycle will be.

How many times should a furnace kick on in an hour?

On average, furnaces should kick on and turn off anywhere from three to eight times per hour. However, if your furnace turns on and off more frequently, don’t assume the furnace is short cycling just yet.

How often should oil furnace cycle?

3-8 times per hour

On average, furnaces should kick on and off anywhere from 3-8 times per hour.

Should you run your furnace fan in the winter?

Auto is the most efficient option, lowering your operating costs. It also extends the life of your furnace air filter and blower, which can keep repair bills down. During the winter, setting your furnace’s fan on can result in circulating more unwarmed air, so it is not usually recommended.