Furnace Installation

How Much Space Should I Leave Open Around My Furnace?

Natural gas furnaces need sufficient space and airflow to work right.

Your furnace can overheat if it doesn’t have enough room. It also makes it difficult for our professionals to complete furnace repair.

Annual furnace maintenance is essential to keep your equipment operating well. An annually serviced furnace may work more efficiently, which could lower your energy expenses.

Related: How Does Furnace Maintenance Impact the Energy Efficiency of Your Home?

Maintenance often helps us spot issues before they begin. This could help lessen future repair costs and likely lengthen the life of your unit.

So how much area should your furnace really have?

How Much Space Does My Furnace Need?

If you’re finishing your basement or enclosing your furnace room, you should take a look at manufacturer directions and Shreveport ordinances for clearance guidelines.

As a general recommendation, your heater should be 30 inches away from furnace room walls on all sides. This permits our service technicians to comfortably replace it.

You also need to check the room has plentiful airflow and ventilation, especially if you have an older furnace with a metal flue.

Related: Furnace Service or Furnace Replacement: What to Consider

This model of furnace needs combustion air from the surrounding area. If there’s insufficient air, hazardous gas fumes and toxic carbon monoxide could back draft into your home.

If your furnace is located in a small room with a gas water heater, you may need to add more openings. This could involve a fully louvered door or vents in the walls.

Unsure if your furnace or water heater has enough ventilation? We can assist you!

Contact us

You don’t need to assess airflow and ventilation as much if you have a modern, high-efficiency furnace with PVC piping. Your system uses one pipe as an exhaust vent and the other to draw in air.

Keep Combustible Materials Away from Your Furnace

Although furnace rooms are often also used for laundry and storage space, you should keep yours free of things that could be fire hazards.

This includes:

  • Clotheslines
  • Cleaning or laundry products
  • Gasoline, paint or paint thinner
  • Rags and papers
  • Wood scraps and sawdust
  • Used filters

If you have a cat, put your litter box somewhere else. Cat urine contains ammonia, which could corrode your furnace’s heat exchanger. Plus, the furnace could circulate the unpleasant odors throughout your home.

You should also frequently sweep near your furnace to prevent dust from accumulating.

Related: Is it Time for Furnace Service or Replacement?

Request Expert Furnace Service 

Whether you need furnace replacement or routine maintenance in Shreveport, Moon's Air can expertly take care of your needs. Our highly trained technicians can fix any heating equipment model or brand.

Call us at 318-215-7938 or use our online scheduler to get an appointment right away.

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