How do you get rid of a musty smell in the house?

Dealing with a persistent musty smell can be frustrating, especially when you’ve already tried several methods without success. Since you’ve already taken steps like removing carpeting, reinsulating, and using air filters, it sounds like you’re tackling some of the major causes, but let’s explore some additional possibilities to help you eliminate the musty odor. Potential Causes and Solutions: Moisture and Humidity Control: Source of Moisture: Musty odors are often caused by excess moisture, which can lead to mold or mildew growth. Even if you’ve reinsulated the walls and checked plumbing, there could still be hidden moisture. Make sure to inspect: Basement or crawl spaces: These areas are common sources of excess moisture. Attic and roof: Check for any leaks or signs of water intrusion. Windows and doors: Ensure they are properly sealed to prevent water entry. Dehumidifiers: If your home has high humidity, running dehumidifiers in areas like the basement or any damp rooms can help keep moisture levels under control. Aim for a humidity level below 50%. Mold and Mildew: Hidden Mold: Mold can sometimes be hidden behind walls, under floors, or in attics. Since it’s hard to detect visually, you might want to consider hiring a professional mold remediation company to do a thorough inspection. Mold can spread and cause the musty smell you’re describing. Cleaning with Mold Killers: If mold is found, cleaning the affected areas with products like vinegar, hydrogen peroxide, or a mold-specific cleaner can help kill the mold and remove the odor. Ventilation: Increase Air Circulation: Improving air circulation can help reduce musty odors. Make sure your home’s ventilation system is working properly. You might want to add or improve exhaust fans in bathrooms, kitchens, and other humid areas. Keeping windows open for extended periods can also help air out the space, weather permitting. HVAC System: Your heating and cooling system might also be contributing to the musty smell. If the ducts or air filters are clogged or dirty, they could be circulating odors. Having the HVAC system professionally cleaned could help eliminate trapped odors. Inspect for Organic Material: Old Insulation or Wood: Sometimes old building materials, such as insulation or untreated wood, can hold on to odors. You might want to check for rotting wood in areas like the attic, basement, or even inside walls. If old or damp wood is found, replacing it could help. Check for Dead Animals: Occasionally, rodents or other small animals can get trapped and die inside walls or attic spaces, contributing to a strong odor. If you suspect this, an exterminator can help locate and remove the source. Odor Absorbers: Natural Deodorizers: Even after addressing the source of the odor, it can take time to completely remove it. Consider using natural odor absorbers like activated charcoal, baking soda, or volcanic rock bags to help pull the musty smell out of the air. Air Purifiers: High-quality air purifiers with HEPA filters can trap particles that cause odors and improve air quality. Professional Remediation: If you’ve tried multiple methods and nothing has worked, it might be time to consult with a professional odor removal service. These companies specialize in eliminating tough odors and may be able to provide additional insights after a thorough inspection. Additional Steps: Use Enzyme Cleaners: Products designed to break down organic materials at a molecular level, such as enzyme cleaners, can be helpful for addressing lingering smells on surfaces. Wash Fabrics and Clothes: Since the odor has permeated your clothes and belongings, washing items with odor-eliminating detergents or even adding a bit of vinegar to your wash cycle can help remove the smell. Final Thoughts: Since you’ve already invested a lot of time and effort into addressing the smell, it might be worth having a mold or odor specialist inspect your home for hidden issues. Sometimes, the problem can be in places that are hard to reach or notice. Once the source is found, you’ll likely have better success in getting rid of the smell permanently. For more tips and advice on maintaining and improving your home, feel free to check out my YouTube channel @livintc, where I cover homeownership topics in detail. I hope this helps, and I wish you the best in eliminating that persistent odor!

You should reach out to have Mold testing performed on your home. Mold is very dangerous.

To get a musty smell out of a house, immediately increase airflow by opening windows and using fans, and run a dehumidifier to reduce moisture, especially in basements. Neutralize odors using baking soda on carpets, white vinegar for surface cleaning, and activated charcoal to absorb moisture and odor molecules. Keith Jean-Pierre Managing Principal The Dapper Agents Operations In: NY, NJ, FL & CA

A musty smell almost always signals moisture, and in Florida the source needs to be identified and corrected before any cosmetic fix will hold. Common culprits include HVAC systems with dirty or wet coils, ductwork condensation, bathroom exhaust fans that vent into the attic instead of outside, poor subfloor ventilation, or hidden mold behind drywall or under flooring. In Hernando Beach, Hernando County, Florida, the combination of coastal humidity, older slab and stilt construction, and frequent tropical moisture intrusion makes musty odors a very common pre-listing issue. Buyers in this market are conditioned to notice it immediately, and a persistent smell during a showing can send a buyer walking before they even see the backyard. Start with an HVAC service call and filter replacement, then run a dehumidifier continuously for several days. If the smell persists, bring in a licensed mold assessor before you list rather than after an inspector flags it. Addressing the root cause is always cheaper and more effective than fragrance masking, which buyers and their agents will see through quickly. Solving the problem before listing protects your price and your timeline. Kevin Neely & Kaitlynd Robbins | K2 Sells

In a home this age, that kind of persistent smell almost always points to moisture getting in somewhere it shouldn't, and in a 1938 brick colonial the most likely culprit is the crawl space or basement. Old homes like this were built before modern vapor barriers and waterproofing, so ground moisture seeps up through the foundation constantly and gets absorbed into everything over time. If you haven't had a professional mold inspector do a full assessment, that's the next step. Not a general contractor, specifically someone who does environmental or mold testing. They can identify exactly where the moisture is coming from and whether there's mold hidden inside walls or under subfloors that you'd never find on your own. Cream city brick is also notoriously porous, so the exterior masonry may be pulling in moisture too. Beyond that, a whole-home dehumidification system tied into your HVAC can make a significant difference in older homes. Air filters help with particles but do nothing for moisture. If the source is never addressed, the smell will keep coming back no matter what else you try.

Have you tried hiring a professional to come inspect for mold? It may be worth the money spent to determine where the source of the odor is coming from. https://www.thespruce.com/musty-smell-5101186. Check this website for things to check as well.

Great Question! I live in North Carolina and we have the Moisture here for sure. I highly Reccomend a Home inspection and a home inspector that offers Mold testing. Mold can be very harmful to you and your family. Please note that Moisture also invites termites. Many Home Remediation Companies can inspect and advise on how to eliminate the issue.