Furnace Installation

How Much Space Should I Leave Open Around My Furnace?

Natural gas furnaces need sufficient space and airflow to run properly.

Your furnace can shut down if it doesn’t have enough room. It also makes it difficult for our technicians to accomplish furnace repair.

Regular furnace maintenance is essential to keep your unit operating trouble-free. A routinely serviced furnace may run more efficiently, which could lower your energy expenses.

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

Maintenance often helps us discover issues before they start. This could help lessen future repair expenses and likely lengthen the life of your furnace.

So how much room should your system really have?

How Much Space Does My Furnace Need?

If you’re remodeling your basement or sealing off your furnace room, you should consult manufacturer directions and Lexington laws for clearance guidelines.

As a general recommendation, your furnace should be 30 inches away from furnace room walls on all sides. This lets our service professionals to easily repair 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 kind of furnace pulls combustion air from the surrounding location. If there’s not enough air, dangerous gas fumes and poisonous carbon monoxide could back draft into your home.

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

Unsure if your furnace or water heater has adequate ventilation? We can help!

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You don’t need to think about airflow and ventilation as much if you have a newer, high-efficiency furnace with PVC piping. Your furnace uses one pipe as an exhaust vent and the other to add air.

Keep Combustible Materials Away from Your Furnace

Although furnace rooms double as 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, situate your litter box somewhere else. Cat urine contains ammonia, which could deteriorate your furnace’s heat exchanger. Plus, the furnace could move the unpleasant odors all over your home.

You should also regularly vacuum by your furnace to prevent dust from accumulating.

Related: Is it Time for Furnace Service or Replacement?

Request Expert Furnace Service 

Whether you want furnace replacement or annual maintenance in Lexington, James Heating & A/C, Inc can expertly meet your needs. Our highly trained technicians can work on any HVAC model or brand.

Call us at 336-853-6070 or use our online scheduler to get an appointment now.

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