Introducing New Wool Air Filters!

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Air Filtration

Breathe Better with Natural Wool Filtration

A Healthier Home Starts with the Air

Cleaner indoor air, without synthetic filter materials

Support healthier indoor air with natural wool air filters designed to capture airborne particles, help absorb VOCs, and improve air quality without synthetic materials or chemical binders.

Part of a complete healthy home approach from Havelock Wool.

Wool for Air Filtration

The Indoor Air Quality Challenge

The air inside our homes deserves as much attention as the air outside.

Many homeowners focus on outdoor pollution while overlooking the air inside their homes.

Yet we spend most of our lives indoors, where airborne particles, dust, allergens, VOCs, and other contaminants can accumulate over time.

Conventional HVAC filters often rely on synthetic materials and chemical binders. Infrequent filter replacement can reduce HVAC efficiency and contribute to declining indoor air quality.

Cleaner indoor air supports comfort, well-being, and a healthier living environment.

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Natural Filtration

Filtration That Starts with Nature

Wool's natural properties make it uniquely suited for filtration. Havelock Wool helps capture airborne particles while supporting cleaner, healthier indoor environments.

Cleaner Air Matters

Why Choose Wool Air Filters?

Natural wool offers unique advantages that make it exceptionally well-suited for air filtration.

Benefits of Wool Air Filtration

  • Natural filtration without synthetic binders
  • Supports healthier indoor air
  • Captures airborne particles through wool's natural fiber structure
  • Renewable and naturally sourced
  • Helps absorb VOCs and formaldehyde
  • Part of a whole-home healthy living strategy

Air filtration isn't just about removing particles. It's about creating an environment that supports the health and comfort of the people who live there.

How Wool Filters Work

Nature's Air Filter

Wool's natural crimped fiber structure creates an effective mechanical filtration network that helps capture airborne particles as air moves through your HVAC system.

Unlike many conventional filters that simply trap particles, wool fibers can also help absorb and permanently sequester VOCs and formaldehyde. Instead of recirculating these compounds throughout your home, wool interacts with them naturally.

Wool's hygroscopic properties also help manage moisture within the airflow while maintaining consistent filtration performance.

Because EcoStatic® Wool Air Filters rely on natural wool fibers, they do not require synthetic chemical treatments or binders to perform effectively.

Hands examining natural wool filter media

Clean Air for Every Room

Where Wool Air Filters Work

Modern residential living space

Everyday Residential HVAC Systems

Improve indoor air quality throughout the home while maintaining efficient HVAC performance.

Bright, healthy home interior

Healthy Home Renovations

Reduce reliance on synthetic materials while upgrading the overall health and performance of your home.

Family spending time together at home

Homes with Children

Support cleaner indoor environments where families spend the most time.

Calm wellness-focused living space

Wellness-Focused Living Spaces

Complement broader healthy home initiatives focused on comfort, air quality, and natural materials.

Home constructed with natural materials

Homeowners Seeking Natural Alternatives

Replace conventional filters with a renewable, natural filtration solution designed for modern homes.

Featured Product

EcoStatic® Wool Air Filter

EcoStatic Wool Air Filter package

Natural HVAC Filtration

Havelock Wool Air Filter

MERV performance: MERV 11 at MERV 8 resistance, or MERV 13 at MERV 11 resistance

Available packs: Single filter or pack of 4

Compatibility: Most standard residential HVAC systems

Recommended replacement: Every 3 months

The EcoStatic® Wool Air Filter helps support cleaner indoor air while reducing the airflow restrictions commonly associated with higher-efficiency filtration.

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Resources & Installation

Filter Performance Guide

Choosing the right air filter involves balancing filtration efficiency with airflow performance.

MERV Ratings

Understanding MERV Ratings

MERV, or Minimum Efficiency Reporting Value, measures how effectively a filter captures airborne particles.

Traditionally, increasing filtration efficiency also increases airflow resistance. Higher ratings can create greater pressure drop, which can reduce HVAC efficiency and place additional strain on the system.

Performance

EcoStatic® Performance

EcoStatic® removes much of that tradeoff.

MERV 11 performance at MERV 8 resistance

MERV 13 performance at MERV 11 resistance

This allows homeowners to improve filtration performance while maintaining healthier airflow through the HVAC system.

Maintenance

Maintenance & Replacement

For optimal performance and indoor air quality, replace your wool air filter every 3 months.

Download Air Filter Specs

Frequently Asked Questions

  • Yes. EcoStatic® wool filter media is designed to capture dust, pollen, allergens, and fine airborne particles while maintaining low airflow resistance. Havelock Wool offers MERV 11 and MERV 13 performance options, so effectiveness depends on choosing the appropriate rating and size, installing the filter correctly, and replacing it on schedule.

  • Havelock Wool Air Filters are available in MERV 11 and MERV 13 performance options. The MERV 11 filter is designed to operate at resistance comparable to a conventional MERV 8 filter, while the MERV 13 option operates at resistance comparable to MERV 11.

  • Havelock Wool recommends replacing the filter every three months. Replace it sooner if it becomes visibly dirty or if your home has unusually heavy dust, smoke, pet dander, construction debris, or extended HVAC use. Always follow the maintenance guidance for your HVAC system.

  • Wool air filters can help reduce certain airborne VOCs and odors because wool fibers can interact with and bind some chemical compounds. They should be used as part of a broader indoor air-quality strategy that also includes ventilation and reducing pollutant sources.

  • Yes. Havelock Wool states that its wool filter media can chemically bond with formaldehyde as air passes through the filter. This can support cleaner indoor air, but filtration should complement source removal and proper ventilation when formaldehyde is a concern.

  • They can be. Filter performance should be compared using tested efficiency and airflow resistance, not the material alone. Havelock Wool Air Filters provide MERV 11 or MERV 13 performance while using wool-rich filter media and maintaining relatively low airflow resistance.

  • Check the size printed on your existing filter or in your HVAC system documentation and select the same nominal dimensions. Havelock Wool currently lists 20 × 20 × 1-inch and 20 × 16 × 1-inch options. Actual filter dimensions may be slightly smaller than the nominal size, which is standard in the HVAC industry.

  • That depends on your filtration goals and HVAC requirements. Compared with basic fiberglass filters, Havelock Wool Air Filters offer higher-efficiency particle capture, low airflow resistance, and wool's ability to help manage certain VOCs and odors. The correct size, MERV rating, system compatibility, and regular replacement remain essential.

  • Wool HVAC filters are designed to capture pollen, dust, and other common airborne particles, which can help reduce allergens circulating through a home. Individual sensitivities vary, however, and an air filter does not treat allergies or asthma. People with significant respiratory concerns should follow guidance from a qualified healthcare professional and their HVAC manufacturer.

  • Yes. A properly sized and maintained wool air filter can improve indoor air quality by capturing airborne particles and helping reduce certain VOCs and odors while maintaining airflow. The best results come from combining filtration with source control, appropriate ventilation, and regular HVAC maintenance.

  • Wool filters offer comparable or superior capture efficiency while maintaining airflow and adding natural moisture handling and VOC capture benefits.

  • Yes. Wool-based media is compatible with existing filter housings and can often serve as direct replacements with low resistance.

  • Filter cleaning and reuse depend on design and application. Some media can be refreshed, others are intended for replacement. Always follow manufacturer guidance.

  • Yes. Wool filter media captures common airborne allergens and particulates, helping improve indoor air quality for sensitive individuals.

Cleaner Air Starts Here

Breathe Better with Wool

Explore natural wool air filters designed to support healthier air, cleaner living spaces, and a more comfortable home.

Take a healthier approach to filtration with EcoStatic® Wool Air Filters.

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