Hours of Operation: Available 24/7
  • 196 King St. Hanover, MA   |   Phone : 781-536-8197

Indoor Air Quality Specialists

Comprehensive indoor air quality services designed to improve comfort and protect your health.

Indoor Air Quality Specialists Services in Hanover, MA

Whether you need home indoor air quality solutions or commercial indoor air quality services, our professional IAQ specialists are committed to delivering measurable improvements in the air you breathe every day.

Professional IAQ Testing & Air Quality Inspections

Understanding what’s in your indoor air is the first step toward improvement. Our IAQ testing services include detailed air quality inspection services to identify pollutants, allergens, and moisture concerns.

We perform indoor air pollution testing, mold testing indoor air, carbon monoxide testing services, and radon testing services when needed. These evaluations help detect hidden contaminants that may affect comfort and health

Our licensed indoor air quality company carefully analyzes airflow, humidity levels, and ventilation efficiency. With proper HVAC air quality improvement strategies, we address dust and pollutant control solutions that impact your living or working environment.

By starting with accurate testing and clear explanations, we ensure that every recommendation is backed by real data and focused on long-term results.

Advanced Air Purification & Filtration Solutions

Cleaner air often requires more than routine maintenance. We install whole-house air purification systems and provide professional air purifier installation services tailored to your space.

For enhanced protection, we offer UV light air purification system installation to reduce bacteria and airborne contaminants. Air filtration system installation options, including HEPA air filter installation, help capture fine particles such as dust, pollen, and pet dander.

If odors are a concern, our odor removal air treatment and smoke odor air purification solutions help restore freshness. We also provide allergen removal services and pet dander air purification for families seeking asthma and allergy air solutions.

Every system is selected based on your property’s specific needs, ensuring efficient and effective performance.

Ventilation & Humidity Control for Balanced Comfort

Proper ventilation plays a critical role in maintaining healthy indoor air. Our ventilation system improvement services include fresh air ventilation systems designed to increase airflow and reduce indoor pollutants.

We offer energy recovery ventilator installation, ERV system installation, and HRV system installation to bring fresh air into your property while maintaining energy efficiency. These systems improve circulation without significantly increasing utility costs.

Humidity also affects air quality and comfort. Our humidifier installation services and dehumidifier installation services provide indoor humidity control solutions that prevent mold growth and excessive dryness

When paired with duct cleaning for air quality and professional system evaluation, these solutions create a balanced indoor environment that feels healthier and more comfortable year-round.

Residential & Commercial Indoor Air Quality Solutions

Our home indoor air quality solutions are designed to support families who want cleaner air and better comfort. From dust and pollutant control solutions to advanced purification systems, we help create safer living spaces.

For business owners, our commercial indoor air quality services improve working conditions and customer experience. Proper HVAC air quality improvement supports productivity and overall well-being.

As one of the best indoor air quality companies in Hanover, we combine technical expertise with friendly, professional service. Our indoor air quality specialists take the time to explain findings and recommend affordable air quality services that fit your budget and goals.

With accurate assessments and long-term planning, we help you achieve meaningful improvements in your indoor environment.

Complete Comfort Solutions for Every Home and Business

Our Heating & Cooling Services

From reliable installations to routine maintenance, Cox’s Old Colony delivers precise, professional HVAC services to keep your system running efficiently year-round. Explore our full range of trusted solutions below

See Our Work

Professional HVAC repairs and installations done right. Explore photos of our latest heating and cooling projects across Hanover and the South Shore.

Frequently Asked Questions

They assess air conditions and recommend solutions to reduce pollutants and improve comfort.

IAQ testing services include air sampling, pollutant detection, humidity evaluation, and ventilation assessment.

Yes, we provide customized solutions for residential properties.

Yes, we serve offices, retail spaces, and other commercial properties.

It is a system integrated into your HVAC unit to clean air throughout the entire property.

Yes, we offer allergen removal services and asthma and allergy air solutions.

They bring in fresh outdoor air while maintaining energy efficiency.

Yes, we perform mold testing on indoor air and recommend appropriate treatment solutions.

Yes, duct cleaning for air quality removes dust and debris from ventilation systems.

Contact our office to arrange an indoor air assessment and consultation.

Breathe Cleaner, Healthier Air Today

Schedule Your Indoor Air Quality Consultation

Improve comfort and protect your indoor environment with expert indoor air quality services from Cox's Old Colony Heating, Air Conditioning & Plumbing in Hanover, MA.

Call (781) 536-8197  to schedule your IAQ testing services and receive personalized recommendations.