How do I know when to replace my furnace filter?

Signs your air filter needs changed:
  1. The filter is visibly dirty. Certainly if you can’t see the material of the filter itself, it should be replaced.
  2. The heating/cooling system is running more frequently than normal.
  3. You home is more dusty than normal.
  4. You notice strange smells, or a burning smell near you HVAC unit.

How often should you change your furnace filter in the winter?

every three months
Professionals, like our team at Airco Service, Inc. say that you should change your air filter at least every three months. During the winter, when you rely on your heating system more, you want to increase that frequency. During the winter, when the system is in constant use, change it out every month.

Should I change my furnace filter every month?

The basic consensus among HVAC professionals is that you should replace your furnace filter every 90 days — or every three months. … The best way to know if you need to replace your filter is to go look at it. If it’s gray and covered in dust and debris, it’s time for a change.

What happens if you don’t change your furnace filter?

Without a new air filter, the furnace will overheat every time it starts up again. This is referred to as short cycling. Dirty furnace filters cause your furnace to work harder than it should due to a decrease in airflow. The harder your furnace works, the quicker its parts will wear out and need repairs.

How often should you change 1 inch furnace filter?

every 1 to 3 months
In general, this is how often changing furnace filters needs to be done: For 1- to 2-inch filters, replace them every 1 to 3 months. For 3- to 4-inch filters, replace them every 6 to 9 months. For 5- to 6-inch filters, replace them every 9 to 12 months.

Can you vacuum furnace filters?

Vacuuming your furnace filter will remove the build up of dirt and dust that impedes airflow through your system and increases your cooling systems run time. Vacuuming your furnace filter will not likely extend the life of your filter though.

How long is a furnace filter good for?

Change Your Filters Regularly

For example, a one inch furnace filter should be changed out every one to three months. A three to four-inch filter can last for six to nine months. If you have a thick five to six-inch filter, it can last from nine to twelve months.

What is the difference between a furnace filter and an air filter?

While many people refer to air conditioning and furnace filters as if they’re different, this is not the case. Your furnace and your air conditioning system use the exact same filter, so there’s no need to worry about purchasing separate filters for each piece of equipment.

Can a dirty filter break a furnace?

A dirty furnace filter restricts airflow to the furnace, leading to higher energy spending, poor heating performance, and even a potential heating breakdown. … Your furnace may break down well before its expected lifespan and you’ll probably notice reduced heating in one or more areas of the house.

How long do pleated filters last?

High-end pleated filters can last as long as 6 months, but these typical guidelines assume average use and don’t take into account the size and type of filter. As a general rule, you’ll want to replace pleated air filters and furnace filters in your home every 90 days.

What happens if you put furnace filter in backwards?

When a furnace filter is placed backwards, the fibers can’t do their job properly. This means your furnace has to work harder to generate the same air flow, resulting in increased energy costs. Particles are also allowed to build up irregularly, making the furnace working even harder to draw air.

Why are my air filters so dirty?

Leaks in your air ducts introduce dust and dirt from areas like your attic. The more dirt a leaky duct system brings into your home, the more dirt your air filter accumulates.

How often should you clean furnace?

once a year
Top 3 Signs Your Furnace Needs a Good Cleaning. As a general rule, the average furnace should be thoroughly cleaned at least once a year. This will not only maintain the efficiency and longevity of your HVAC system, but it’ll also keep your ducts from getting grimy and distributing dust and dirt throughout your home.

Can furnace air make you sick?

Clean air keeps the germs away

Quickly, the tiny particles in the air will get sucked into your furnace. … Dirty furnaces & heat pumps start recycling dirty, mold and allergen filled air that can make you sick. All those nasty little germs and contaminates get pushed back into the air you breathe.

What does a black air filter mean?

If you’ve recently changed out your air filter and noticed it was black, you’re experiencing something called “black soot deposition. Essentially, black soot deposition is just an excess build-up of soot, which is typically the result of: A gas appliance or fireplace that isn’t burning fuel properly.

Why does the house get so dusty?

Dust accumulation in your home is a product of airflow, either because too much dirty, dust-filled air is floating around your home or because not enough air is spreading through the home, allowing dust to settle.

Why is my furnace filter so dusty?

Your filter gets clogged faster when your furnace is running more often. That’s because more air is cycled through your filter when your furnace goes through more heating cycles, so more contaminants get caught on the filter’s media. The colder it gets outside, the faster your filter will get clogged with dirt.

Why is there black dust in my house?

Black dust in your house can be found on furniture, fans, rails, stairs, bedding, sinks, plants of appliances. … In fact, black dust may be due to deteriorating duct liner materials in your heater or air conditioner and in some cases cold air returns. It may alternatively be due to soot produced from candles.

What makes a furnace filter turn black?

Carbon Monoxide Exposure

Carbon monoxide is probably the worst reason why a filter turns black. It’s a poisonous gas, and if it is leaking into your home, you and your family could be breathing it. The health risks are enormous. Carbon monoxide leaks may result from damage inside the furnace.

Can dirty furnace filters cause carbon monoxide?

How a dirty air filter can lead to CO poisoning. Here’s the brief explanation: a clogged filter reduces air flow and causes your furnace heat exchanger to overheat and break. Once the heat exchanger breaks, poisonous carbon monoxide can leak into your home.

What’s good for dust mites?

Wash all bedding and blankets once a week in hot water (at least 130 – 140°F) to eliminate dust mites. Non-washable bedding can be frozen overnight to eliminate dust mites. Replace wool or feathered bedding with synthetic materials and traditional stuffed animals with washable ones.

How can you tell the difference between mold and dust?

One way to distinguish the two is by the smell. Mold has a distinctly unpleasant, musty smell like rotten wood, wet socks, or soggy paper. Dust smells dryer; more earthy like dirt. If you place a few drops of bleach on the dark patch, if the area lightens after a few minutes, it’s mold.

What is black sooth?

Black soot. Soot, sometimes called lampblack or carbon black, is a fine black or brown powder that can be slightly sticky and is a product of incomplete combustion. A major component of soot is black carbon (see below). Since soot is sticky, it tends to stick to exhaust pipes and chimneys where the combustion occurs.

What time of year are dust mites worse?

Allergen levels are at their highest between May and October, the peak breeding season of house dust mites. Most of the mites die during the winter, but the allergen-containing dust is stirred up by heating systems. This often causes the symptoms experienced by affected patients year-round to worsen during the winter.