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We’ve all been there. You realize you haven’t checked your furnace filter in a long time, and when you do, it’s so full you can’t bear to think of putting it back in until you buy a new one. That’s when the question hits you. Can I run my furnace without a filter?

The answer is NO. Well, technically you can run your furnace without a filter. It will operate without one, but you’ll risk potential damage to your system and to your health and the health of your family, and that’s just not worth it.

One of the primary functions of the air filter on your furnace is to keep dust and other airborne particles from collecting on your furnace’s inner components. With a constant force of air moving through the furnace, airborne particles can build up very quickly, and when they do, the buildup can cause components to malfunction. Restoring function to your furnace may then require a thorough cleaning or costly repairs. That internal buildup might also lead to fires if it accumulates near hot components or electrical parts, so it’s best to prevent this from happening by keeping a clean filter in place at all times.

Also, without a filter, whatever is in the air will continue to be circulated around your home for everyone to breathe. This can provoke allergies and other respiratory symptoms, especially for very young or very old members of your household. It will also generate a lot of dust on furniture and floors that will require you to clean and vacuum more often.

To learn more about why you should regularly replace your furnace filter, you can read our blog. If you need assistance changing your air filter or think you may have done damage to your furnace by operating it without an air filter, contact a trusted HVAC expert at HB McClure at 717-232-HEAT (4328) or request an appointment online.

$50 OFF 1st Preventive Maintenance or Service Call*

$50 Off 1st Preventive Maintenance or Service Call

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*For new customers on any residential service. Valid only within HB McClure’s standard service area. May not be combined with other offers. Offer expires 11/30/18.

Up to $1,600 in Combined Rebates on Select Lennox Systems*

Up to $1,600 in Rebates on Select Lennox Systems*

*Installations must be completed by November 30, 2018. Restrictions apply. One per household. Prior purchases do not qualify. Valid within HB McClure’s standard trading area. May not be combined with other offers. Call for details. Offer expires 11/30/18.

Up to $100 OFF 1st Propane or Fuel Oil Delivery*

Up to $100 OFF 1st Propane or Fuel Oil Delivery

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*For new automatic delivery propane or fuel oil customers. Call for details.

Up to $2,050 in Combined Rebates on Select Lennox® Systems*

$2,050 in Combined Rebates on Select Lennox® Systems

*Installations must be completed by February 15, 2019. Restrictions apply. One per household. Prior purchases do not qualify. Valid within HB McClure’s standard trading area. May not be combined with other offers. Call for details. Offer expires 2/8/2019.

$25 OFF First Service Call*

$25 OFF First Service Call*

Includes heating, cooling, and plumbing service.
*For new customers on any residential service. Valid only within HB McClure’s standard service area. May not be combined with other offers. Offer expires 2/8/2019.

  • Save on Propane from HB McClure!

  • Tell us how to contact you and we will be in touch about the Can I Run My Furnace Without a Filter? offer.

  • Save on Lennox with HB McClure!

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