What Is Meant By A “Bank” Of Chilled Water Coils?

For those that work with HVAC installations on a regular basis, you have run across the problem of needing to install new chilled water coils in very tight, confined areas. The coil is too big to fit in the Chilled Water Coilselevator, and/or the HVAC room is so small that you are likely to damage the coil simply by moving it. As a solution to this challenge, chilled water coils are often installed in “banks” of coils. You are most likely to see this configuration in Air Handler Units, as well as “built-up” systems. Due to face velocity limitations across the coil, you will need larger coils in order to meet your required face area. With this in mind, there are a few specific reasons why you want to avoid having a single, large coil in one of your units.  Starting with the obvious: larger coils are much more difficult to transfer and install. This is especially true for older buildings, where the rooms were essentially built around the HVAC system.

As you’ve probably experienced, some of these areas can barely fit a single person, so installation – if even possible – is a logistical nightmare. Also, the larger the coil, the easier it is to damage during transport to the jobsite. To avoid these issues, simply break down the single, larger coil into smaller coils. When piped together, those smaller coils are stacked into “banks” of coils in the system. If installed correctly, this “bank” should have the same performance as the larger, single coil.

Casing

There are many different casing options available, but “stackable” flanges are required for heavy chilled water coils that are “banked”. The flanges are often inverted inward and down to give added strength to the casing, which is needed due to the fact that another coil of equal weight will be stacked on top of it. When ordering coils in a “bank” configuration, be sure to let the manufacturer know that they will be “stacked”.

Many engineers also use stainless steel casings on chilled water coils. While more expensive than traditional galvanized steel, stainless steel protects against excessively wet coils and/or corrosive elements in the airstream. Keep in mind that the majority of coils fail because of old age and its casing, as opposed to failure with the coil’s core. With that in mind, doesn’t it make sense to select heavy-duty stainless steel casings that are more durable and meant for stackable installations?

Drain Pans & Water Carryover

Water Coils

All chilled water coils must be sized so that the face velocity across the coil does not exceed 550 ft/minute. Water on the outside of the coil is carried away from the coil’s leaving air side in an arc, while water in the highest point of the coil is carried further down the unit or ductwork. “Stackable” coils often require intermediate drain pans under each coil to catch the excess water carryover. Each coil in a bank requires its own drain pan, as a single, large pan under the bottom coil is not enough.

Circuiting/GPM

If all of the coils in a “bank” are of equal size and handling the same CFM, then the GPM of each coil will also be the same.

Always feed the bottom connection on the supply header on the leaving air side of the coil. This ensures counter air and water flow. This also prevents the coil from short circuiting because the header fills first and circuits all of the tubes equally.

Designing Banks Of Coils

Almost all coil “banks” perform more efficiently if you design something more square in shape, as opposed to long and/or high. In a “bank” of coils, you may find that one coil has points of 300 ft/minute, with other points at 800 ft/minute. Scenarios such as this will cause water-carryover! You generally want to be as close to 550 ft/minute as possible in order to allow equal airflow distribution across the face area of the coil.

Anytime you are designing and/or building coils, work closely with the manufacturer as an added resource to ensure that you are getting the ideal solution for your HVAC system. Capital Coil & Air works on similar jobs such as these daily, and we welcome the opportunity to work with you in whatever capacity is needed.

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Syracuse University Athletic Dome Renovation

Capital Coil & Air prides itself on its ability handle all jobs – large or small! We quote anywhere from 25-50 projects/day, and there is typically a very diverse mixture of equipment and overall size & scope of projects that need to be engineered and quoted. The majority of our business comes from repeat customers because they know that we treat every job and request with the same importance – regardless of size. Today’s newsletter highlights one of our largest jobs to date to illustrate the fact that Capital Coil has the ability handle any job…no matter the size and scope.

Capital Coil has long understood that your businesses and customers depend on fast responses, fast engineering, fast shipping, and top-quality products. Again, whether it’s (2) small hot water duct-coils that you need overnighted, or banks of chilled water coils, Capital Coil wants you as our customer to be satisfied that you got a “fair-deal” with us on each and every job.

The Syracuse University Dome (SU Dome), in Syracuse, NY is currently being renovated at a cost of $205 million. The old roof was air-inflated/supported and is being replaced with an updated design-frame roof. As part of the total renovation, the building is also changing out it bathrooms, Wi-Fi, LED lighting, and entire HVAC system. As part of the renovation, Capital Coil was asked to build (64) chilled water coils as a part of the air conditioning renovation project.Capital Coil

Modular Comfort Systems, located in Syracuse, contacted Capital Coil & Air during the planning and budgeting phase of this project. Modular Comfort Systems is a large and highly respected HVAC Representative in central New York State. After purchasing coils from CCA, they re-sold those same coils, as well as other HVAC equipment to the also very highly respected Burns Bros. Mechanical Contractors – also located in Syracuse. Burns Brothers has been working in HVAC, plumbing and process piping for more than 100 years. Both of these companies are the types of companies that Syracuse University would entrust with such an important and high-profile job.

Capital Coil built (64) free-standing chilled water coils in sizes ranging from (33” x 93”) – (33” x 118”). All (64) coils are (8) rows with 304 stainless steel casing, increased tube wall thickness of .035”, with connections built and oriented at 90 degrees to facilitate ease of piping. The coils have all been highly engineered and are exactly correct for this application/project. Each coil weighs over 1,000 lbs, so Capital Coil split up the total order into (2) separate shipments, two weeks apart, in order to help the contractor receive the delivery.

The point of this case-study is to show how proud Capital Coil & Air is to have been tasked with building coils for such a high-profile project. Capital Coil is also proud to have worked with professional organizations like Modular Comfort Systems and Burns Brothers Mechanical. But regardless of the size of the project, you’ll receive the same attention and support as anyone else who reaches out for our assistance. Please contact us as we look forward to working with you on your next project!!

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Why are HVAC Coils Copper Tube and Aluminum Fin?

Chilled Water CoilsIt’s really not a coincidence why HVAC coils use copper tubes and aluminum fins. Copper is great for heat transfer, and aluminum – while still very effective -is simply not as good. The first goal of any HVAC coil is to cool or heat. Heat transfer is always the first consideration. Cost is the second. Copper works well for the tubes, but would be prohibitive for the fins. You would need a compelling reason for the fins to be copper, and sometimes there are reasons to do just that. However, the vast majority of HVAC coils that you see are built with copper tubes and aluminum fins. That combination offers the most effective heat transfer at the most efficient cost. 

To begin, fins are responsible for a surprising 65% – 70% of the heat transfer on any coil, while tubes are responsible for the remaining 30% – 35%. Additionally, in order for your coil to work at optimum performance, you need to have a terrific fin/tube bond. Fins are known as secondary surface, while tubes are referred to as primary surface. While this may seem counterintuitive, the secondary surface is responsible for twice the amount of heat transfer as the primary surface.

The tubes are expanded into the fins, and for that reason, the fins become secondary. As mentioned above, the fins are responsible for 65% – 70% of all heat transfer that takes place in the HVAC coil.  When you think about it logically, it really makes sense. At 8 fins/inch or 10 fins/inch, and with fins that run the height and depth of the coil, there is much more fin surface than tube surface. However, it also points out how good the fin/tube bond must be in the expansion process. Without that bond, the fins cannot perform their job.

Understanding the role and importance of the materials used in HVAC coils cannot be overstated. There is a distinct reason why the vast majority of coils are constructed using these materials. While coils can be built with other tube materials, such as steel, 304/316 stainless steel, 90/10 cupro-nickel, as well as various different fin materials, none of these are as efficient or economical as copper/aluminum.

Capital Coil & Air is here to help you with any and all coil selections, and we look forward to working with you on your next project.

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How Should Steam Coils Be Designed??

Standard Steam Coil

Of all of  the various types of coils, steam coils operate in the most complicated ways. They are, in effect, a product of the system and controls around the coil. If not installed correctly, steam coils simply won’t work properly.

Overview:

The object of any steam coil is to have steam enter the coil as steam and exit as condensate. In a perfect scenario, the BTU load on the coil turns steam into condensate just before it’s ready to exit the coil. Under real world conditions however, condensate usually begins to form inside the tubes almost immediately. Especially when dealing with low-pressure systems, you have to find a way to evacuate the condensate from the steam coil.

Coil Pitch

A good coil manufacturer will internally pitch the steam coil within the coil casing to force the condensate toward the outlet connection. This pitch is usually 1/8 “ per lineal foot of coil.

Coil Length

If you require steam to travel 144” and make multiple passes through the coil, then, simply put, your system will not work properly. Condensate forms too early, and it cannot escape the coil. Because of this, coils cannot be too long. A better strategy is to break one long coil into two smaller coils side by side, while feeding from both sides.

Tube Diameter:

Steam Distributing coils often have to be 1  1/8 ” diameter tubes. If the BTU load on a coil is really large, then as a result, you will generate many more Lbs./hour of condensate. If the tube diameter is too small, then the condensate, which needs to evacuate, has no place to go.

Traps:

Traps are required on steam coil systems. The traps should be “float & thermostatic” type traps and be located 18 “ below the condensate connection on the steam coil. Without this, the condensate just sits in the system without any place to go.

Vacuum Breakers

Vacuum Breakers are often installed in coil systems to remove any excess condensate that may remain within the coil.

Insulated Piping:

There is no such thing as a “Condensate” Heating coil, built as a steam coil. IT DOESN’T WORK.  However, and this happens an astounding amount of times, due to the long distances the steam has to travel from the boiler to the coil, many times, the steam will enter the coil as condensate due to the piping not being insulated.

Anything that makes condensate lay in a coil is harmful to both the steam coil and the system. You will get a “water hammer” when the system is turned on and the incoming steam just blasts against the condensate. Worse than the loud and annoying sound that produces is the fact that it just destroys the steam coil. The brazing was never designed for “water hammer”.  Also, the coils do not heat properly. Have you ever seen a long coil and run your hand down its length only to feel that the entering steam end of the coil is hot but the far end is cold? More times than not, this means that condensate is laying in the coil and not allowing the steam to properly travel the length of the coil.

Steam Coils require a real expertise to design & build. We at Capital Coil have a long history in solving coil problems and building steam coils so that they work correctly the first time. Give us a call for your next job – you’ll be pleasantly surprised!

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Guidelines For Air Velocities

The height, length and resulting air velocities greatly figure in everything in determining the size and performance of a coil. Step # 1 in determining the size and performance of a coil is dependent upon understanding face & air velocities of air across the coil. Whether you use CCA’s coil selection program to help size the coil, or you are replacing an existing coil; the height, length and resulting velocity determine everything.

Hot Water Booster Coils

Air Velocities

Every coil has a specific, optimum velocity, so you want to make sure you are within 30% (+ or -) of that number. For example, booster coils have an optimum velocity of 800 ft/minute. That means that you can drop your velocity to 600 ft/minute, or conversely, increase the velocity to 1,000 ft/minute. The duct velocities are almost always higher, which means that you will need to transition to a larger coil. Try to get to as close to 800 ft/minute as possible, while sizing your coil to make the transition as easy as possible. Everything with coils is a balancing act.

Hot Water & Steam Coils

Like booster coils, hot water and steam coils should also have face velocities at approximately 800 ft/minute. Both steam & hot water coils have only sensible heating, which is why their face velocities can be the same. Face velocities ultimately control the coil’s cost, so 800 ft/minute really is a heating coil’s “sweet spot”.

If you are purchasing an air handler unit, oftentimes the heating coil is smaller than the cooling coil because the face velocities on heating coils can exceed those of cooling coils. Due to water carry-over, cooling coils cannot exceed 550 ft/minute, while heating coils only deal with sensible heat.

Chilled Water & DX Coils

Due to the limited face velocities of cooling coils, your choices are more limited. With cooling coils, your face velocity must be somewhere between 500 ft/minute-550 ft/minute. Remember that when dealing with cooling coils, you are dealing with both sensible and latent cooling, so the coil is wet. When you exceed 550 ft/minute, water carry-over occurs past the drain pans.

If you are purchasing an air handler unit, you probably will not have worry about the coil’s face velocity as most coils come pre-sized at the acceptable face velocities. Fan coils also come pre-sized with the correct CFM’s. However, if you are replacing an existing cooling coil, the face velocity must remain at or below 550 ft/minute!!

 Air Stratification Across The Coil

Air does not travel equally across the face of a coil. If you were to divide a coil into (9) equal sections, like a tic-tac-toe board, you would see a high percentage of air travelling through the center square, rather than the corner squares. In a perfect air flow scheme, 11% of the air would travel through each of the 9 squares, but that is not what happens. Because more air travels through the center of the coil, you want to avoid putting a fan too near the coil. Due to central air flows, most systems are draw-thru, rather than blow-thru. This is also why you want to avoid installing your coil near any 90 degree angles/turns in the ductwork. Avoid any situations that contribute more than the “natural” air stratification to help ensure your coil is at maximum efficiency.

In some situations involving cooling coils, you will have water carry-over even when the coil is sized correctly. How can this happen? Think about the tic-tac-toe board again. Air velocities are exceeding 700 ft/minute in the coil’s center, while the corners are around 300 ft/minute. This cannot and will not work.

Coils do not have any moving parts. They simply react to the air across the outside of the coil and whatever is running through the inside of the coil. Coils are 100% a function of your entire system, as well as the installation in general.

Capital Coil & Air is here to help with any coil selections that will help avoid costly missteps that lead to wasted time and money. Call us on your next project, we greatly look forward to working with you!

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What Does “Splitting” A DX (Evaporator) Coil Mean?

“Splitting” a DX (Evaporator) coil is one of the toughest concepts to understand in the coil business. “Splitting” the coil simply means that (2) compressors can operate off of the same coil. One obvious advantage, or reason that you might “split” a DX coil is that you can shut down (1) of the compressors when the cooling load does not require it. This in turn saves energy, which saves $ when the cooling load is not operating at maximum design conditions. For example, let’s use a coil that is designed to give you (40) tons, but the coil is split so that (2) 20-ton compressors are feeding the same coil. If you only require ½ of the maximum load on any given day, you can shut down (1) compressor completely and operate the other one at 100%. This is a money-saving feature that you need to be aware of if you deal with DX coils on a regular basis. This requires special circuiting arrangements, and this is where the confusion starts with most folks. There are three primary ways to deal with this:

FACE SPLIT

Splitting the coil is nothing more than putting (2) completely separate fin/tube packs (coils) into one common casing. When you hear the term “face-splitting” a coil, you are drawing a horizontal line from left to right across the face of the coil and dividing the coil into a top and bottom half. It is like having two separate coils in one casing in that each half is circuited by itself. You hook up (1) compressor for the top half, and (1) compressor for the bottom.

In practice, this configuration is no longer used with much frequency because this arrangement leads to air being directed across the entire face of the coil. This disadvantage is especially apparent when only one half of the coil is in use because you’ll need a complicated damper/duct system to ensure that air is only directed to that portion of the coil in operation.

Row Split

“Row splitting” a coil is dividing the coil by drawing a line vertically and putting some portion of the total rows in (1) circuit, while putting the remaining rows in the other circuit. With this configuration, the air passes across the entire face of the coil, and will always pass across the rows that are in operation.

Please be aware that this configuration also comes with certain issues in that this kind of split makes it very hard to achieve a true 50/50 split. Let’s use an (8) row coil as an example. You would like to “row split” this coil with (4) rows/circuit, which would appear to be a perfect 50/50 split. The problem here is that the first (4) rows, located closest to the entering air, pick up a much higher portion of the load than the last (4) rows. In actuality, this coil’s split is closer to 66% / 34%, which will not match the 50/50 compressors. Another option is try to split the coil between (3) & (5) rows. While not 50/50 either, this configuration is closer. However, a new challenge arises because you have now created a coil that is very difficult to build and correctly circuit. In short, you need almost perfect conditions along with a degree of luck to achieve a true 50/50 split using this method.

Intertwined Circuiting

The most common to split coils today is to “intertwine” the circuiting. This means that every alternate tube in the coil is included in (1) circuit, while the other tubes are included in the (2nd) circuit. For example, tubes 1, 3,5,7,9, etc. in the first row are combined with tubes 2, 4, 6,8,10, etc. in the second row. The same tubes in succeeding rows form (1) circuit. You are essentially including every alternate tube in the entire coil into (1) circuit, which (1) compressoDX (Evaporator) Coilsr will operate. All of the remaining tubes not included in the first circuit will now encompass the second circuit.

The advantage of this configuration is that the air passes across the entire face of the coil, and, if one of the compressors is on, there are always tubes in operation. Every split is now exactly 50/50 because it cannot be any other way. Most DX coils are now configured in this manner due to these advantages.

Capital Coil & Air has years of experience measuring, designing and building almost every OEM DX coil that you’ll come across, so please let us help you on your next project. We want to be your replacement coil experts and look forward to the opportunity.

 

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Tips on Hand Designation & “Counter-flow”

Are your chilled water coils right hand or left hand?  Are you looking into the face of the coil with the air hitting you in the back of the head?  What exactly is counter-flow and why is it important?  Are you completely confused by why right hand vs. left hand even exists?  Most manufacturers probably do not know or understand the technical reasons themselves.

First, let’s figure out what coils even need a hand determination.  Chilled Water Coils, Direct Expansion (Evaporator) Coils, and Condenser Coils are the only coils that need this figured on almost every job.  Hot Water Coils, Booster Coils, and Steam Coils rarely need this determination!  The reason for this is when the coils are only 1 or 2 rows deep, they can be flipped over.  When a chilled water coil is 3+ rows deep, hand determination is much more important because it needs to be counter-flow.  With most suppliers determining hand designation with the air hitting you in the back of the head….do you want the connections on the right or left?

Chilled Water CoilsYou’ve probably heard the term “counter-flow” countless times, but here’s the simplest explanation.  For peak performance, you want the air and the fluid traveling in opposite directions through the coil.  Is it the end of the world if your coils are not counter-flow?  The short answer is no, but you will lose anywhere from 12-15% of the output.  So if your coils are piped incorrectly, don’t expect to get the full performance.  Steam and hot water coils are 1 or 2 rows deep, so again, counter-flow is pretty much irrelevant.  However, it can make a BIG difference with any chilled water or direct expansion coils (3-12) rows deep.

We also get asked many times “what is the proper way to pipe coils?”  Put simply, steam coils should always be fed on the highest connection and the return on the lowest connection.  Water coils should always be fed on the lowest connection and returned on the top connection to ensure that all of the tubes are are fed the same volume of fluid. 

Hand designation and counter-flow are two pretty simple concepts when they are properly explained.  When dealing with a HVAC coil manufacturer, partner up with one who will walk you through the engineering and explain it along the way.  Capital Coil & Air has well over a decade of experience in handling pretty much any scenario that you may come across, so we want to be your coil resource for any and all projects. Please give us a try on your next job!

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Light-Duty Commercial Belt Drive Air Handler Units

There are lots of jobs that require large custom built Air Handler Units, as well as jobs that require Central Station Air Handler Units that are semi-custom built units. There are also plenty of jobs that Belt Driverequire neither of the above products. This application only requires that a light-duty standard unit be built that will match the duty and requirements of the job.

 Examples

  • Strip Malls/Shopping Centers
  • Dormitories and other college campus buildings
  • Military installations
  • Office areas in factories or other industrial settings
  • Condominiums

These examples do not need large heavy-duty units that are expensive and custom built. Instead, most of these units require standard light-duty construction that can provide 800-12,000 CFM. These units come with various options and choices, and are well-built with the highest quality components available. However, the units are not designed for overkill.

Capital Coil manufactures “Belt Drive” units that operate from 800 CFM (2 Tons) – 12,000 CFM (30 Tons). They are available in both horizontal and vertical airflow styles. Included are blowers, coils, drives, filters as well as additional accessories if required. Additionally, they are available in Chilled Water Coils, DX Coils, Hot Water Coils, and electric heat if needed.

So, why would you want to use these units in lieu of a heavy-duty air handler? Cost, cost, and cost again are the primary reasons. In addition, the light-duty units weigh less, they are more economical to install, and long-term maintenance is much easier. The overall cost of a Custom-Built Unit or a Semi-Custom Station Unit is dramatically higher and not needed in most installations. Please visit Capital Coil’s Belt Drive Product Page for additional descriptions of our units.

Shipping Schedules

  • Standard lead time: (6) weeks
  • (4) week quick-ship: 30% adder
  • (2) day quick-ship: 40% adder

Capital Coil is 100% transparent on all prices and pricing options. Each option is clearly listed on all quotes to help make your buying experience that much easier.

The Air Handler industry is pretty easy to understand when boiled down. If your job allows you to stay within “Production” type units that are built to normal standards without any customizations, you can save a lot on your price. The proper units for your project are still of the highest-grade quality, but they are much more of a fit for commercial, light-duty jobs.

Capital Coil & Air looks forward to working with you on all of your future Air Handler projects. You’ll be glad you did.

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Top 10 Obscure Facts About HVAC Coils

  1. HVAC Coils: When thinking about how they are built, there are only a few coil tool & die companies around the world. So, all coil manufacturers buy their tooling from the same companies. That obviously means that since all manufacturers use similar tooling, the idea that one company holds a major advantage over another because of better tooling is a serious misconception.
  2. The cost of copper is the main determinant of the cost of any coil as it takes up a massive percentage of any manufacturing costs. There are other materials involved, but they are minor in comparison when figuring out the overall cost. The cost of labor is relatively steady, so again this is why copper is THE determinant in coil pricing.  HVAC Coils
  3. Almost all coil manufacturers include freight to the jobsite as part of their quote – aka freight allowed. The reason that all manufacturers should do this is because geography also plays such a huge part in the cost of HVAC coils. Your cost ends up being an average of the total freight costs for all jobs, so if you are 100 miles from the plant, you are subsidizing other customers who might be located 2,000 miles from the plant.
  4. Crating is EVERYTHING! What good does it do to build a great coil, test it correctly, get it out the door quickly, and then crate it in such a terrible way that the freight company can easily abuse it in ways that we are all too well aware?
  5. Regarding freight companies, selecting one is more science than “educated guessing”. The #1 goal is to select a carrier that can deliver directly to your area/zone with as few stops in between as possible. Every time HVAC coils have to go through another terminal, switch trucks, and get forklifts put on it is another risk to damaging the coil.
  6. HVAC coils are covered in lubricants. You can’t expand the tubes or get a good fin/tube connection without using lubricants. Even though the coils are tested underwater for 20-30 minutes, there will still be lubricant residue on the coil when it arrives at the jobsite. It is perfectly normal, so no need to wonder is anything is leaking.
  7. Brazing coils is a really valuable skill, and good coil manufacturers (see Capital Coil & Air), never want to lose people who can braze. Women make terrific brazers because they traditionally have smaller hands and can braze into tighter spaces. In addition to their overall skill, that’s a large reason why female brazers in HVAC coil plants is a pretty common occurrence.
  8. Many coil manufacturers make the same mistake over and over again when they attempt to “low-ball” with pricing to fill up their plant with business. In theory, filling up your factory makes sense right? In this industry…no! In actuality, these manufacturers take on such a glut of business that when they are at or beyond capacity, lead times are greatly extended and/or emergency quick-ships are shut down for their best customers because their plant is full. More often than not, these changes occur with little or no advance notice to customers. Customers are people who come to your company for help with a problem, and they should never be treated as a “job”. 
  9. Why are most coil plants located in very rural areas, in towns that most folks have never heard of? The answer in a single word is LABOR!!! Inverse of what one might believe, the cost of labor is less, while the quality of the labor is better and more dependable. The HVAC industry flourishes in these towns because workers show up on time, every day. We’re not comparing these areas to Silicon Valley, and while copper is still the main determinant of price, labor is still an integral part of the whole process.

Capital Coil has always believed that the better educated that you as a customer, and the better that you understand the overall coil business; your chances of selecting a quality manufacturer increase greatly. We’re happy to work with you on any and all jobs that come your way – contact us!

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The Smart Approach to Buying HVAC Coils (and Saving Money)

HVAC coil replacement does not have to be cost prohibitive. As you are all aware, money is tight these days, and budgets for maintenance and upkeep are constantly being cut. People are asked to do more with less, so every dollar spent must be spent wisely. In our previous newsletters, we have outlined various reasons about why you should do business with Capital Coil & Air. However, one of the most compelling reasons is cost and how you spend your money.

We now live in an age where you can skip “middle men” and buy direct from a manufacturer or supplier. Think about your own life and how your own personal shopping habits have changed over the years. When was the last time you used a travel agent to book a trip? In 2020, you’re much more likely to go to Tripadvisor or an airline’s website and make travel reservations yourself. Greater access to more choices gives you the opportunity to save money in the process.

Spending money in business these days is no different. Consumers have access to more information than ever before. Consumer studies show buyers get 60% of their product information from a firm’s website before ever speaking with a sales rep. The days of an account manager or manufacturer’s representative being the sole source of information are over. Right now, you can access Capital Coil’s website and see our entire HVAC product offering, including dimensions, quick-ship programs, and our Coil Selection Program. With information at the press of a button, Capital Coil’s expert customer service will consult with you to ensure that you’re getting exactly what you need, when you need it. Working with Capital Coil & Air directly cuts out that “middle man’s” costly mark-up and saves you money without sacrificing quality. Avoiding the “middle man” and having a direct line to the manufacturer also ensures quick response times, and helps to make sure that no information gets lost in translation.

Capital Coil & Air does have a select number of exceptional representatives in a few areas, and because they are valuable assets in the HVAC industry, we are comfortable passing your project information along to those representatives. But if not in one of those areas, you are free to work with us directly.

At the end of the day, technology has allowed you as the consumer to buy smarter, faster, and cheaper. Aside from those previously mentioned “middle men” who does not want faster and cheaper? Capital Coil & Air would like the opportunity to be your “direct supplier” on present and future projects. Give us a call and test us out!

 

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