What Are the Costs and Benefits of a Unico High-Velocity AC in Maryland?
Living in an older home has its perks. Many of these residences feature architectural styles that have all but vanished from modern neighborhoods. They also often sit on larger plots of land located close to city centers. However, there are also some downsides.
If your home was built before the 1960s, for example, there’s a good chance it lacks built-in HVAC ductwork. This can pose a significant issue with comfort. The good news is that there’s a whole-home cooling option that works exceptionally well in older homes. It’s called a Unico high-velocity AC.
Here’s everything you need to know about the costs and benefits of installing an AC of this unique type.
What Is a Unico High-Velocity AC?
If you’ve never heard of a high-velocity AC system, you’ll find it’s precisely what its name suggests. Conventional central AC systems rely on large air ducts to carry sufficient air volume around a home. High-velocity systems, instead, use small, flexible tubing to transport air from a central unit to each room. What they lose in air volume compared to a conventional ducted system, they make up for in air velocity. In other words, they use powerful fans to push air through the tubing at high speed. That ensures every space in your older home gets the amount of cool air needed within a reasonable timeframe.
The Benefits of a Unico High-Velocity AC
Unico high-velocity AC systems have some significant benefits compared to traditional ducted AC. This is especially true when installed in an older home. Here are some of their most noteworthy advantages.
A Simplified Installation Process
The reason that you rarely see old homes retrofitted with ducted AC is that they lack the interior space to conceal ductwork. They may also have unique detailing, making it a challenge to cut into them. As a result, ductwork installation typically involves using tricks like boxed-in corners and soffits to create the necessary space. That significantly alters the look of the home and can cost quite a bit in the process.
High-velocity AC systems use flexible tubing that can be as small as 2 3/4-inches in diameter. You can route that tubing through virtually any wall or ceiling as easily as you can add electrical wiring. It also avoids the need to damage finished walls during the installation process. In an older home, the less you need to alter walls, ceilings, and floors, the better.
Superior Air Mixing
High-velocity AC systems deliver consistent cooling because of their superior air mixing capabilities. If you’ve ever owned a home with a ducted AC, you know they can produce hot and cold spots. That’s because the cold air coming from each vent may not reach every corner of each room. High-velocity systems don’t have that problem because they deliver cold air with more force. That increases the rate of air mixing, leading to more even temperature distribution.
Excellent Energy Efficiency
Another advantage high-velocity AC systems have over traditional ducted AC is superior energy efficiency. Conventional HVAC ducts tend to develop air leaks over time and allow convective losses. As a result, it isn’t unusual for ducted systems to suffer energy losses of up to 30% due to these issues.
High-velocity systems use tubing that’s virtually incapable of leaking unless physically damaged. It’s typically composed of spun nylon and enclosed in an aluminized Mylar outer wrap. That all but eliminates convective losses and prevents condensation from forming on the tubing.
Extended Equipment Lifespan
A high-velocity AC system and its network of tubing should last much longer than a conventional ducted AC system. Most Unico high-velocity AC systems will last about 20 years with proper maintenance. That’s about five years longer than the expected lifespan of a conventional AC. Plus, Unico tube ducts retain their integrity far longer than ordinary sheet-metal ductwork. Typically, you won’t need to replace your ducts when it’s time for a new AC.
Superior Humidity Control
Finally, a high-velocity AC system will do a better job of controlling indoor humidity compared to a traditional ducted model. That’s because they move less air all at once than an ordinary ducted AC. Ducted systems move approximately 400 cubic feet per minute (CFM) of air while in operation. High-velocity systems typically operate at about 200 CFM. That results in greater heat absorption, which also yields more condensation. So, the air coming from a high-velocity AC will be drier and up to 15 degrees colder than you’d expect from a ducted AC.
Whisper Quiet Operation
High-velocity AC systems have a reputation for being very quiet as long as they are installed properly. The multi-layer acoustic insulation that the ducting is wrapped in keeps air movement nearly silent. Installing additional outlets that balance air output can decrease noise levels substantially. This prevents any single supply run from running at too high air pressure.
Also, high-velocity systems tend to have more registers installed. This cuts back on the amount of air passing through that could potentially cause a whistling or whooshing sound.
The Drawbacks of a Unico High-Velocity AC
If the advantages of a Unico high-velocity AC have piqued your interest, there are some disadvantages you should also consider. Here are the drawbacks to be aware of.
Higher Upfront Cost
The biggest drawback associated with Unico high-velocity ACs is their cost. They can be more expensive than conventional ducted systems. However, if you need ductwork installed to support a central AC, the cost differences narrow. It’s also worth pointing out that the extended longevity and higher efficiency of a high-velocity system may make the lifetime cost of one lower.
Limitations in Larger Homes
Finally, Unico high-velocity AC systems may face some hurdles if you own a very large home. That’s because there’s a practical limit to the length of the supply run feeding the system’s vents. Depending on the layout of your home, it can be challenging to cover the entire space with a single system. However, it’s always possible to divide a home into multiple zones, served by smaller systems.
That can increase your upfront costs, however. It’s worth noting that ductless mini-splits, an alternative cooling option for older homes, suffer from similar limitations. An alternative system may not be adequate for helping to alleviate the problem.
Local High-Velocity AC Experts
If you own an older home in Hanover, MD that needs a new cooling solution, Beltway Air Conditioning and Heating can help. We can arrange a consultation to help you choose the system that best meets your comfort needs and budget. Our team of HVAC technicians has extensive training and years of on-the-job experience.
That includes working within the limitations of old homes all around our area. We’re also Better Business Bureau accredited with an A+ rating for your peace of mind. We can even offer you financing options on approved credit to help you afford the new AC your home needs.
When you need a new AC installed in your Hanover home, contact our team at Beltway Air Conditioning and Heating today.









