Get matched with top air duct cleaners in Shellsburg, IA

You do need dampers in your HVAC system, but they do help to regulate airflow and give you better control of the temperature in each room of your home. Most HVAC systems will have dampers installed, but this isn't always the case. If you don’t have designated zones in your home, you’ll likely still have valve control dampers on your supply vents for manual control.

HVAC companies may charge an hourly rate or a flat fee. Hourly rates typically range from $100 to $250 per hour, with an average around $175. Some contractors charge a flat fee for specific services, such as an inspection, which can cost between $150 and $500. The total cost of an HVAC service is influenced by several factors, including: the urgency of the service (emergency repairs after hours or on holidays cost more), the time of year, the type, size, and brand of your HVAC system, the specific repair needed, and whether you have a service contract.

The Environmental Protection Agency (EPA) states that there's no conclusive evidence to show that dirty or dusty air ducts increase dust and airborne particles in your home or pose any risk to your health. On the other hand, your air ducts require cleaning if there's any mold or mildew, you have a rodent or insect infestation, or you have clogged ducts. Regular air duct cleaning will also extend the life of your HVAC system, leading to less frequent repairs and preventing premature replacement in the future.

Return air ducts should generally not be installed in rooms with high humidity, contaminants, or strong odors. This includes bathrooms, kitchens, garages, closets, attics, and furnace or boiler rooms. Placing vents in these areas can draw moisture, fumes, odors, and potentially hazardous gases like carbon monoxide into your HVAC system, which can damage ductwork, promote mold growth, and compromise your home's indoor air quality and safety. According to the International Code Council, there are some exceptions. For example, a return duct may be placed in a kitchen if it is at least 10 feet away from cooking appliances and serves only that room. Similarly, a garage can have a return duct if it is part of a dedicated forced-air system that only serves the garage. For optimal performance, prioritize installing return air vents in central locations and rooms with consistent temperature needs, such as bedrooms and living spaces. If you are unsure, consult a professional duct installer for guidance.