How Much Space Should I Leave Open Around My Furnace?

November 05, 2019

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

Your furnace can overheat if it doesn’t have enough room. It also makes it challenging for our specialists to accomplish furnace repair.

Regular furnace maintenance is crucial to keep your equipment operating trouble-free. A regularly serviced furnace may run more efficiently, which could decrease your utility bills.

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

Maintenance often helps us notice issues before they begin. This could help lessen future repair expenses and likely extend the life of your furnace.

So how much area should your furnace really have?

How Much Space Does My Furnace Need?

If you’re finishing your basement or sealing off your furnace room, you should research manufacturer instructions and Odessa laws for clearance requirements.

As a general suggestion, your system should be 30 inches away from furnace room walls on all sides. This lets our service professionals to easily replace it.

You also need to ensure the room has ample 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 pulls combustion air from the surrounding location. If there’s insufficient air, dangerous gas fumes and deadly carbon monoxide could back draft into your home.

If your furnace is located in a tiny room with a gas water heater, you may need to put in more 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 assist you!

Contact us

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

Keep Combustible Materials Away from Your Furnace

Although furnace rooms double as laundry and storage space, you should keep yours free of items 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 circulate the unpleasant odors all over your home.

You should also frequently clean around your furnace to stop dust from developing.

Related: Is it Time for Furnace Service or Replacement?

Request Expert Furnace Service 

Whether you have to have furnace replacement or regular maintenance in Odessa, Redhawk Heating & Air Conditioning can expertly handle your needs. Our highly trained technicians can work on any HVAC model or brand.

Call us at 432-237-0168 or use our online scheduler to set up an appointment now.