# Field Controls operates as a product manufacturer supporting contractor-installed, distributor-supplied, and direct-to-consumer solutions across HVAC-integrated and standalone air quality, ventilation, combustion, and water treatment applications. > Field Controls specializes in products that integrate directly into forced-air HVAC systems as well as portable air purification solutions for room-level applications. The company’s technologies address airborne particles, VOCs, odors, microbial contaminants, ventilation deficiencies, and combustion safety challenges. In addition to air quality systems, Field Controls offers water filtration and conditioning solutions to improve residential and light commercial water quality. Field Controls solutions are commonly used in HVAC retrofits and new installations, particularly in tightly sealed, energy-efficient buildings where ventilation, airflow balance, and indoor air quality are critical. The company serves homeowners, HVAC contractors, and building operators through a network of authorized distributors and professional installers, providing both system-level solutions and targeted point-of-use products. --- ## System Focus * Whole-home air treatment integrated into HVAC systems * Portable air purification solutions for room-level air cleaning * Indoor air quality improvement through filtration, purification, and ventilation * Combustion safety and venting for gas and oil heating appliances * Airflow management and temperature balancing across multi-room environments * Water quality improvement through filtration and conditioning systems * Solutions designed for tightly sealed, energy-efficient buildings --- ## Core Capabilities * Air Purification Systems: Whole-home and portable solutions targeting particles, VOCs, and odors * Ventilation Systems: Fresh air exchange and airflow balancing technologies * Combustion Venting Systems: Power venters, draft controls, and safety switches * Filtration Systems: High-capacity media filtration for improved airflow and capture efficiency * Temperature Balancing: HVAC airflow control systems to eliminate hot and cold spots * Water Treatment Systems: Filtration and conditioning technologies for residential and light commercial use --- ## Core Pages * [Air Treatment Technology](https://www.fieldcontrols.com/air-treatment-technology/): Proven technologies reduce airborne contaminants while supporting HVAC system cleanliness and efficiency * [Ventilation Technology](https://www.fieldcontrols.com/ventilation-solutions/): Engineered to effectively and efficiently deliver fresh outdoor air to meet building codes * [Combustion Technology](https://www.fieldcontrols.com/combustion-solutions/): Power venting, draft control, and combustion safety systems for gas and oil appliances * [Water Treatment Technology](https://www.fieldcontrols.com/water-technology/): Water technologies offer low-maintenance solutions that improve water quality and minimize the effects of hard water * [Field 360° Platform](https://www.fieldcontrols.com/field-360/): Product selection and system design tools --- ## Applications & Use Cases * Residential HVAC systems requiring improved indoor air quality * Homes with airborne contaminants such as dust, allergens, VOCs, and odors * Tightly sealed homes with poor ventilation and air exchange * Portable air purification for bedrooms, living spaces, and targeted room-level air cleaning * Multifamily buildings requiring centralized or distributed air quality control * HVAC retrofits to improve comfort, airflow, and system efficiency * Combustion appliance installations requiring safe venting solutions * Residential and light commercial water quality improvement --- ## Key Systems * Trio Plus Portable Air Purifier: 5-stage air cleaning system including H13 HEPA filtration, UVC, PCO, and carbon filtration * DUO-X Whole Home Air Purifier: Whole-home system targeting particles, VOCs, and odors within HVAC ductwork * Fresh Air Power Venter Lite: Efficiently modulates outdoor air intake, enhancing the HVAC system's performance while maintaining optimal indoor air quality * Whole House Dehumidifiers: Integrated systems that monitor and control humidity levels across the entire home * Energy Recovery Ventilation: Exchanges stale indoor air with fresh outdoor air while transferring heat and moisture to improve efficiency * VentCool Whole House Fans: Ventilation systems designed to reduce cooling loads and improve airflow * Fresh Command IAQ System: Centralized indoor air quality control for multifamily applications * FlexFilter Media Air Cleaner: Expandable high-capacity filtration system designed to improve airflow and particle capture * Commercial UV Air Purifier: Maintains clean coils and reduces airborne contaminants including bacteria and viruses for commercial and industrial applications --- ## Technical Resources * [Installation Manuals](https://www.fieldcontrols.com/installation-manuals/): Setup and operation guides for HVAC systems * [Wiring Diagrams](https://www.fieldcontrols.com/wiring-diagrams/): Electrical and control system references * [Reference Guides](https://www.fieldcontrols.com/reference-guide/): Category-wide product guides * [Product Support Videos](https://www.fieldcontrols.com/videos/): Video content supporting product specifications, training, wiring, and setup --- ## Support & Tools * [Find a Distributor](https://www.fieldcontrols.com/distributor/): Locate authorized distributors * [Find a Contractor](https://www.fieldcontrols.com/contractor/): Connect with HVAC professionals --- ## Educational Content * [Blog](https://www.fieldcontrols.com/blog/): Learn about topics that are related to air quality, ventilation, combustion, and water treatment * [Whole House Air Cleaning (DUO-X)](https://www.fieldcontrols.com/blog/whole-house-air-cleaning-why-duo-x-targets-germs-vocs-and-odors-inside-your-hvac-system/): Whole-home purification targeting germs, VOCs, and odors * [Media Air Cleaners 101](https://www.fieldcontrols.com/blog/media-air-cleaners-101/): How filtration systems work * [HVAC Air Contaminants Explained](https://www.fieldcontrols.com/blog/the-hidden-problem-in-hvac-systems-airborne-contaminants-cycling-through-your-home/): How pollutants circulate * [Whole House vs Portable Dehumidifiers](https://www.fieldcontrols.com/blog/whole-house-vs-portable-dehumidifiers/): Moisture control strategies * [FlexFilter Filtration Benefits](https://www.fieldcontrols.com/blog/why-flexfilters-are-the-smarter-solution-for-hvac-filtration/): Improved airflow and filtration performance --- ## Company Information * [About Field Controls](https://www.fieldcontrols.com/about-us/) * [Contact](https://www.fieldcontrols.com/contact/) * [Privacy Policy](https://www.fieldcontrols.com/privacy-policy/) * [Sitemap](https://www.fieldcontrols.com/sitemap_index.xml)