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Residential & Commercial Duct Repair & Replacement
What Is Ductwork?
Ductwork facilitates the path air takes to and from your HVAC system and in and out of your house. Well-functioning ductwork promotes both home energy efficiency and room-to-room comfort in terms of air quality and temperature. Ducts are an integral part of your heating and cooling system. They transport the hot and cold air that keeps you comfortable. If your HVAC unit is the heart, think of them as its arteries and veins.
Air Duct Installation: Understanding the Process
- Start with a plan
- Create duct vents
- Get HVAC system online
- Install the ducts
- Seal the system
Start With a Plan
Before installing the ductwork, professionals create a layout and carefully plan the ductwork around your house, map their connection points and assess heat loss and gain in each room. This is also the time where the professionals strategically pinpoint where to place the exhaust vents, air conditioning, and your furnace.
Create Duct Vents
Depending on your home’s layout, these vents may differ in sizes in different rooms.
To place the vent, professionals need to cut out a hole in your drywall to fit the vent.
Getting the HVAC System Online
If you’re getting an entirely new system, the technician will install your furnace, condenser, and air handler after cutting the vents holes.
However, if you’re replacing your ducts, all of that will already be in place.
Installing the Ducts
With the HVAC system up and running, your ducts will have something to connect to. Now your technician will begin laying the actual ductwork.
During this step, they’ll take care to avoid bends, as they contribute to a less efficient HVAC system. If you’re replacing your ducts, your technician will attempt to retrofit your new ducts on workable older sections.
Sealing the System
After installing, your technician will use mastic gum or metal-backed tape to seal any leakages.
This ensures that there is no air that is escaping your HVAC, otherwise it is just a waste of time and money.
HVAC Duct Installation Done Right
HVAC duct installation or replacement is a necessity in any home. Without proper heating and cooling, it’s impossible to live comfortably. You need to ensure that your ducts are installed by a professional who knows the ins and outs of ductwork.
Common Air Duct Problems
- Duct leaks
- Under-insulated ducts
- Wrong size
- Old age
Air duct leaks happen when you have a hole in your ductwork for some reason or another. A leak means air is leaking from the ductwork, which means the air is not moving efficiently to the room you need cooled or heated. Thus, you have one room that’s constantly hotter or colder than the rest of the house.
Due to a variety of reasons, your ducts may actually have inadequate insulation.
Inadequate insulation forces the HVAC system to heat or cool the ductwork before the proper air temp can be reached. So when your AC appears to be blowing warm air at first that eventually cools, let your air duct expert know to look for inadequate insulation.
When you have the wrong-size ducts, the joints and seals may not connect tightly, and you end up with a leaky air duct system. As a result of a leaky system, the HVAC system could suffer from extra stress. Additionally, these ducts will eventually crack and leak.
If you have purchased an older home, you may just have old air ducts. Ducts, like anything else, are prone to wear and tear. The materials can crack or dry out and cause air leaks.
Air Duct Maintenance
- Inspect air ducts
- Create negative pressure
- Agitate the dust
- Clean remainder of system
Inspect the Ducts
Your technician will inspect your ducts that lead to the return and supply registers. This is a good first step for homeowners to take as well, so they can see the before and after differences for themselves. Your technician may use a camera to inspect your ducts thoroughly before they begin.
Create Negative Pressure
Your technician uses a large vacuum system that they take to the furnace. This is a very powerful high-efficiency particulate air (HEPA) vacuum that creates negative pressure in your vents. They will hook the vacuum collect device’s hose to a duct close to the air handler. The technician will have to cut an access hole into the duct and seal it tight.
Agitate the Dust
As your technician goes through the air duct cleaning process vent by vent, they’ll use some powerful vacuuming tools to clean the ducts. These tools include rotating brushes and compressed agitation air whipping tools to move settled dust.
Clean the Remainder of the System
Following the cleaning of your ducts and vents, the rest of your HVAC system will be inspected. This includes the furnace, air blower motor, evaporator coil, drain pan, and more. Your technician should clean up after themselves and ensure that rooms are not dustier than when they entered them. They should take you on a walkthrough of their work so you can see the difference for yourself.
Signs You May Need Air Duct Repair or Replacement
Your air ducts can harbor bacteria, dust, pollen, debris, smoke and other pollutants. When you run your HVAC system, these particles will enter your home. Some of them are harmless, but others can cause allergies and infections in children and adults.
You can’t always see when your air ducts need repair. But you may notice a few signs that it might be time for replacement:
- Your air conditioning is not cooling as effectively as it used to.
- Your air conditioner makes noise or has trouble starting up.
- You find more dust than usual inside your home.
- Your house is smelling musty.
- You are having difficulty keeping your home warm when the thermostat is set at a high temperature.
- Your house is a bit more humid than usual.
Our Ductwork Repair Services
Rigid ductwork can further be broken down into aluminum (more expensive) and galvanized steel (more affordable). This process takes far more time, and therefore costs more, than simply laying out flexible ductwork. However, rigid ductwork fosters superior durability and airflow when installed with properly sealed seams. Rigid ductwork, in turn, should reduce lifetime maintenance and energy bills.
Flexible ductwork comes in steel or aluminum wiring with a coated fabric. Compared to rigid ductwork, the flexible type is the cheapest and easiest to install. The wrinkles within flexible ductwork can create friction and reduce airflow, which increases energy costs. Additionally, flexible ductwork is less durable than sheet metal, which means you may need to spend more on maintenance and replacements over the years.
Our Ductwork Replacement Services
If you choose to replace your HVAC ductwork, it is important to consider all factors of the job. These may include:
- Safe removal of old ductwork and responsible disposal
- Knowledge of where the studs are in the attic and the map of your new system that will be most effective
- Access to the entirety of the system as well as to the outside unit
- Installation and repairs to returns and vents throughout your home
- Knowledge of what size ductwork is required for maximum benefit
- Installation without pinching, puncturing, or suppression of airflow
- Ability to taper the duct system to control volume and velocity of forced air
- Secure and connect new ductwork to prevent air loss
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What is the importance of a duct system?
A duct system is a network of small channels that carries air throughout the room or house. The ducts are essential for supplying air to your home. You can think of it as the “pipes” for all the air that comes into your home. You need to be able to have these “air pipes” for all the air to come into your house, whether it is warm or cold outside.
What describes a good installation of a duct?
A good installation has proper venting, a properly sized inlet and outlet, and should be able to withstand extreme temperatures, heavy water pressure, and mechanical stress.
What is the purpose of a transfer duct?
A transfer duct is a duct designed to deliver hot or cold air directly into an air conditioning system or directly outside of the building to heat or cool the area around the building.
What is the necessity of designing ducting?
There are various factors that make ducting necessary for an efficient HVAC system. One of the main ones is to maintain a proper air flow throughout the home. Ducts also help to prevent air leaks and reduce the loss of conditioned air.
What is the most important aspect in duct design?
Duct size is the most important aspect of duct design. It is important to have a proper airway that is wide enough to allow the desired amount of airflow, but not so large that it impedes airflow when necessary. The size of the opening can be calculated based on the flow rate, the anticipated work level, the anticipated dust concentration, and other factors.
What are the main requirements of a duct system?
A duct system needs to be capable of keeping air moving through it in a consistent manner and be capable of holding the air flowing through it for an extended period of time. The ducts must be able to provide a minimum amount of resistance to the flow of air throughout the entire system.
How can I tell if my air ducts are leaking?
Look at the corners where the duct meets a wall, ceiling, or floor. If you see white spots on any of these surfaces, this may indicate that the seal between the duct and the surface is not good. Other signs to look for are water condensation on walls, ceilings, and floors, a musty smell, and dusty furniture and electronics.
How much does it cost to repair ductwork?
Ductwork repairs costs around $200 up to $1000 depending on the repair to be done.
Can mold get in air ducts?
Yes, mold can form in air ducts when it is warm and humid.