You have an HVAC system in your home, and it is time to install a new one. This circumstance leads to an important question. Can the existing ductwork be used for the new HVAC system?
What You Need To Know About Replacing Ductwork During An HVAC Installation
- 1 What You Need To Know About Replacing Ductwork During An HVAC Installation
The correct answer is that it depends on a number of factors. The factors we are talking about here include the HVAC system, load calculation, and the condition of your ducts. Now, let us look at each element and see how they affect your new HVAC system.
HVAC Systems And Load Calculation
If the new HVAC system is not radically different from the old one in size and capacity, you may not need to change the existing ductwork. Naturally, the new system may have better features than the old one. The new one is also likely to be more energy-efficient than the new one. Some people have the impression that a bigger HVAC system is better than a small one but this is not always true. Below are the factors that determine the size of your HVAC system.
Understanding Load Calculation For Your Home
Load calculation deals with many factors like the square footage of your home, the appliances in your house and the windows and doors in the home.
What Is Specific Load Calculation?
A load calculation is not some subtract expression used by HVAC experts. To determine the right furnace or AC system for your home, the experts look at several temperature-influencing factors. These factors include the type of roofing in your home, the size of your windows and their location, as well as appliances that generate heat (ovens, washing machines, etc.). Other factors to consider are the foundation of your home and how much heat loss the house experiences.
Your HVAC expert will factor in the square footage of the home and use all the information above to arrive at the proper load calculation formula. A competent HVAC expert will use the load calculation formula to determine the energy needs of the house as well as the energy needs of each room in your home.
Why Load Calculation Is Vital
A proper load calculation is vital because it helps you get the HVAC system that is just right for you. If your air conditioner is too small, it will not cool our house effectively. A furnace that is too small for your home will not heat your home effectively during the cold winter months.
On the other hand, if the air conditioner is too large, it will cool the rooms in the house too fast. It also won’t remove all the humidity in the air. Again, if your furnace is too large, it will heat your rooms too fast. This problem results in uneven temperatures in your house. Also, if your heating and cooling system is not the right size, you will not get value for money because you will spend more on energy bills.
We have discussed load calculation and other related factors. Now, let us look at your ductwork. As stated already, you may or you not have to replace your existing ductwork during an HVAC upgrade.
When You Should Not Replace Your Ductwork
Your ductwork circulates hot and cold air to different parts of your home. As long as your ductwork is clean, well insulated and in first-class condition, you do not need to replace it even if you are installing a new HVAC system. However, if your ductwork is no longer in good shape, you should replace it when you install a new HVAC system.
When You Should Replace Your HVAC System’s Ductwork
Below are some signs you need to replace your ductwork.
- Inconsistent Temperature: If the temperature in your home is not consistent, this is a sign that your ductwork needs to be replaced. The most likely culprit here is unbalanced ductwork or leaky ducts. If this is the case, you should not use faulty ductwork for the new HVAC system.
- Tangled or Damaged Ducts: If your ducts are tangled or damaged, you should not manage these ducts when it is clear that they are no longer in good working order.
- Strong Noises: Your HVAC system should work quietly and efficiently. If you keep hearing strange noises from your HVAC system, your ductwork may be responsible for these unwanted sounds.
As you can see, you may or you may not replace your existing ductwork when you install a new HVAC system. It all depends on the condition of your ductwork. Also, other factors such as load calculation and the type of system you want to install will impact this decision. Get in touch with a competent HVAC expert to find out more.
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We have NATE certified technicians on staff who possess the skills, knowledge, and experience to deliver high-quality HVAC services. Our expert technicians can help you with your heating or cooling system. We specialize in tune-ups, installations, repairs, ductwork, and much more! By working with us, your system will perform efficiently while improving your indoor air quality and level of comfort.
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