Additional work is not included.
Home air quality
Practical air-quality options for the HVAC system.
Residential filtration, humidity, ventilation, and HVAC air-treatment options for Middle Tennessee homes.

What to expect
Start with the home and the concern.
Filtration, humidity, ventilation, equipment cleanliness, and air-treatment accessories address different concerns. RAF explains practical HVAC-related options without making medical claims.
Request an evaluation →Service approach
Choose equipment for a defined purpose.
Compatibility, airflow, maintenance needs, and realistic limitations matter.
- Filter size and compatibility
- Airflow impact
- Humidity and drainage
- Ventilation options
- UV or accessory placement
- Maintenance requirements
Service information
Know the visit charge first.
Diagnostic charges do not include equipment, installation, parts, or materials.
After 6:30 PM weekdays and weekends.
6 AM–5 PM
Appointments are confirmed by RAF.
Good to know
Air-quality questions.
Can an HVAC accessory treat a medical condition?
RAF does not make medical claims. Health questions should be discussed with a qualified medical professional.
Is the most expensive cleaner always best?
No. Compatibility, airflow, maintenance, the home, and the specific concern matter more than price alone.
Is equipment included in the diagnostic?
No. Products, parts, materials, and installation are quoted separately.
Practical options
