Four Things That You Need When Buying Replacement Coils

While building numerous types of coils for various customers over the years, we’ve discovered the four main things that you need when buying replacement coils. We’ve found that most customers are searching for many of the same things, and also share many of the same priorities. Based on numerous conversations with our customers, we’ve compiled a list of the primary factors that you need to consider when purchasing an HVAC coil.

  • Marketing and advertising experts’ claim that a person needs to see and/or hear something an average of 3-5 times for the brain to really absorb the message. And so, in light of that claim, think DELIVERY, DELIVERY, DELIVERY, and DELIVERY! Every coil job has a degree of urgency to it, which is why the speed of delivery is so significant. Either you are beginning the process of replacing coils for a system that is shut down, or you are in the middle of a job and discover that you need coils to be delivered as soon as possible. In either scenario, you need a coil supplier that works on your schedule – not their own, independent timetable. Capital Coil’s Quick Ship Program allows the coils to be built on your timeline, not the manufacturer’s.
  • The coil MUST fit in the space allowed! You can purchase the highest quality coil ever manufactured, and if it does not fit, then you have nothing more than exquisitely manufactured scrap metal. So when measuring a coil, always remember that a little smaller is always better than a little bigger. There are 100 different ways to make a smaller coil work for you. On the flip-side, if a coil is too big, then you have no choice but to start over.
  • Performance matters! As with any purchase, it’s important to have an idea of what you are trying to accomplish. The simple act of duplicating a coil can sometimes work, but more often than not, additional performance information is needed. This is precisely where Capital Coil & Air can help. We’ll work with you to come up with a simulated performance schedule, even if you do not have all of the necessary information. Working in consultation with our clients tends to lead to an outcome that is acceptable to all parties.
  • Lastly and very importantly, there is cost. Everyone has budgetary constraints, and no one wants to break the bank paying for coils. However, buying a coil is often more than simply price alone. Taking into account required delivery times, sizing of the coils for the job, performance, and price, buying a coil can be a balancing act. While price should not be minimized, buying the cheapest coil is seldom the best coil for your job or application. The adage “you get what you pay for” certainly applies when it comes to coils. Capital Coil’s main goal is to help lessen your overall price, without sacrificing performance and quality.
 Performance options, size options, and shipment options will help you to spend your money in the most effective way possible. Capital Coil’s job is to give you the options and information that will allow you to make the best decision in your buying process. Your success is our success, so our goal is to have an on-going, consultative relationship that works for both parties. Call us on your next job, we’d love the chance to earn your business.


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Commercial Booster Coil Basics

 If you are in the HVAC business, you have probably needed to purchase or replace hot water booster coils at some point. And, there’s a good possibility that you have almost always needed them quickly. Generally speaking, booster coils are primarily installed someplace in the duct-work, while the smaller-sized coils are mostly non-headered. Knowing that, there are really one – two secrets to correctly size a booster coil.

  • Booster coils run in approximately 30 sizes anywhere from 6” x 12” to 30” X 60”.  Booster coils are 1 or 2 row coils that are available in 60 sizes (30 in 1 row; 30 in 2 rows).
  • Typically, allowable air duct velocities can be higher than allowable coil velocities. To get an accurate picture, a really good hot water coil face velocity can range anywhere from 800 Ft/Minute – 1,000 Ft/Minute. With that in mind, choose a booster coil that comes very close to matching the size of your duct-work, while recognizing that it will probably be bigger in size, with transitions required.
  • You will need a 1 or 2 row booster coil based on your BTU requirements. Capital Coil can provide you with a price quote and performance information in as little as 10 minutes.

All in all, booster coils are pretty easy to select. The trick is making sure the coils get to the job-site on time and in-tact. Capital Coil builds these booster coils in 5 work-days or less as a standard. We’d love for you to test us out at your next opportunity. Give us a call!




-Shipping time on standard construction coils is 3-5 business days.

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