- HEP Heat and Air
- Indoor Air

Indoor Air
Indoor Air | Duct Cleaning | Heating and Air Conditioning | Reliance
When the mountain air of Reliance drifts indoors, it brings more than fresh breezes—it can carry pollen, dust, and other contaminants that settle deep inside your HVAC system. HEP’s Indoor Air Heating & Air Conditioning team uses advanced negative-pressure vacuums, rotating brushes, and eco-friendly sanitizers to perform meticulous duct cleaning that scrubs away years of buildup without damaging your ductwork. The result is air that smells cleaner, feels lighter, and keeps your family breathing easy all year long.
Cleaner ducts do more than improve air quality; they boost system efficiency, reduce energy costs, and extend the life of your furnace and A/C. Whether you’re battling allergies, noticing musty odors, or simply want to protect your investment, schedule HEP’s signature duct cleaning today and feel the difference with every breath.
FAQs
Why is regular air-duct cleaning important for my heating and cooling system?
Over time, dust, pollen, pet dander, mold spores and other debris accumulate inside supply and return ductwork. This buildup can restrict airflow, force your furnace or air-conditioner to work harder, and circulate contaminants throughout your home. Professional cleaning removes these deposits, helping your HVAC equipment run more efficiently, extending its service life, and reducing the allergens and irritants that contribute to poor indoor air quality.
How often should I schedule professional duct cleaning for my home?
Most industry and health organizations, including NADCA (National Air Duct Cleaners Association), recommend a thorough cleaning every 3–5 years. However, you may need service sooner if you have pets that shed, family members with allergies or asthma, recent home renovations, water damage, smoking indoors, or if you notice visible dust blowing from vents. Reliance technicians can inspect your system and provide a tailored recommendation.
What signs indicate that my ducts may need to be cleaned?
Common warning signs include: persistent dust on furniture shortly after cleaning; musty or stale odors when the HVAC system cycles on; visible dust puffs or debris coming from registers; unexplained allergy or respiratory issues; the presence of mold around vent covers; and unusually high energy bills due to restricted airflow. If you suspect any of these issues, scheduling an inspection is advisable.
What steps are involved in Reliance’s duct-cleaning service and how long does it take?
1) Pre-inspection: A certified technician examines the ductwork, registers, blower, coils and air handler. 2) Setup & protection: Drop cloths and corner guards protect floors and walls; registers are sealed to create negative pressure. 3) High-powered vacuum: A truck-mounted system pulls debris toward the main trunk line. 4) Agitation: Rotating brushes and compressed-air whips dislodge stubborn contaminants from each branch line. 5) Source removal: Dust, debris and potential microbial growth are extracted into a HEPA-filtered containment unit. 6) Optional sanitizing: An EPA-registered antimicrobial mist can be applied if requested. 7) Post-inspection & efficiency check. An average 2,000-sq-ft home takes about 2–3 hours, though larger or heavily soiled systems may require more time.
Will duct cleaning improve indoor air quality and reduce energy bills?
Yes. By eliminating accumulations of dust, biological growth and other pollutants, duct cleaning significantly lowers the particulate load circulating through your living space, which can alleviate allergy and asthma symptoms. Removing obstructions from the duct walls also restores optimal airflow, allowing the furnace blower and A/C compressor to cycle less frequently. The U.S. Department of Energy estimates that clean, well-maintained HVAC systems can operate up to 20 % more efficiently, which translates into lower monthly utility costs.
Do I need to prepare my home before the technicians arrive, and is the process safe for my HVAC equipment?
Preparation is minimal. Clear access to supply and return registers, furnace room, and the area around your thermostat. Remove fragile items from shelves or furniture near vents. Reliance’s equipment is designed specifically for HVAC applications and uses negative pressure to prevent debris from escaping into living areas. Our trained technicians follow NADCA guidelines, ensuring that brushes, whips and vacuums are compatible with metal and flexible ductwork. Your system is powered down during cleaning, and all components are re-secured and tested before we leave, guaranteeing safe operation.