Home Heating & Energy Blog

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Why was my Furnace Red-Tagged & What does it mean? 

November 30, 2023

As a homeowner navigating the world of HVAC systems. You may have heard of "red tagging" or recently had your own furnace red tagged. This can be a stressful and overwhelming thing to have happen. Our hope is that this post will educate readers on what red tagging is, why a technician would red tag a furnace, and what steps homeowners should take after a red tag is issued. 

*** If your furnace has recently been red tagged and you are looking for service contact us HERE for 24/7/365 support***

What is Red Tagging?

Red tagging is a safety measure employed by HVAC technicians to indicate that a furnace or heating system has been deemed unsafe for operation. When a technician identifies a critical issue that poses a risk to the occupants or the property, they turn off your furnace and may affix a red tag to it, although it is somewhat outdated to do so.

Why Would a Furnace Get Red Tagged?

 The primary reason for red tagging is the identification of safety hazards. This could include issues such as…

  1. A cracked heat exchanger

  2. Gas leaks

  3. Inadequate ventilation

  4. Faulty Installation

all of which can lead to carbon monoxide leaks or other potentially dangerous situations.

What to Do After a Red Tag is Issued:

  1. Do Not Use the Furnace: The red tag serves as a clear warning that the furnace is unsafe for use. Do not attempt to operate the system until the necessary repairs or replacements have been made.

  2. Contact a Qualified Technician: Reach out to a licensed HVAC professional to conduct a thorough inspection and provide a detailed assessment of the issues identified in the red tag. They will offer recommendations for repairs or replacements.

  3. Consider Replacement: In some cases, the severity of the issues may warrant furnace replacement. A technician can guide you on whether repairs are sufficient or if investing in a new, more efficient system is the best course of action.

While red tagging may seem alarming, it is a crucial safety measure implemented to protect homeowners from potential hazards associated with faulty furnaces. If your technician has placed a red tag on your furnace, we would be happy to assist you by taking a second look at the system and discussing your options. Our priority is to make sure you and your family are safe and comfortable, while not breaking the bank.

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