Your Coil Specialists

swcoil_superadminCoil Failure, Coil Leaks, Corrosion, freeze event

More than 80% of heating and cooling coils in the HVAC industry don’t make it to old age and need replacing.  There are so many reasons why they fail prematurely that we can’t name them all in one newsletter.  However, we can review the most egregious ones in commercial and industrial systems. Coil Construction or Arrangement Years ago, HVAC coils … Read More

Effects of Water Removal and Water Carryover in HVAC Coil Sections

swcoil_superadminCoil Moisture, DX Coils, Finned Tube Coils

water

Southwest Coil has replaced thousands and thousands of chilled water and DX cooling coils over the last 4+ decades.  Many of these coils have literally fallen apart in their casings and support.  An  air handler process always includes  filtration, cooling, heating,  and the distribution of air to the space through a supply fan.  It is in the cooling coil area … Read More

Why Large Tube Diameters Work Better With Steam Coil Heating

swcoil_superadminCoil Construction, Coil Performance, Steam Coils

Steam Coil

America has been using steam heating for 120 years.  Much of today’s technology gains have been based on problem solving of inefficient systems and providing coil heat exchangers that improve both capacity and longevity.  I have personally seen many systems that never had a chance to work properly – due to use of an improper coil for the application or … Read More

Coil Failures – Look Before You Leap!

swcoil_superadminCoil Failure, Coil Leaks, Coil Materials

Dirty Coil

More than 85% of all coil failures occur prematurely. This means very few coils ever achieve the longevity that was originally intended. There’s always a rhyme and a reason for every coil failure, and most can be identified based on experience and coil application science. Let’s take a closer look at coil failures – noting which ones can be identified … Read More

You Have Questions… We Have Answers

swcoil_superadminCentral Station Units, Corrosion, Questions

Question Marks

Each month we publish questions we receive about coils and air handler systems and applications.  There are many installations that have inherent problems that can cause lack of performance and/or system downtime.  The following are some of the problems that affect many of our customers. We service many fan coil unit systems in apartments and condominiums in the Denver metropolitan … Read More

Letters to the Editor

swcoil_superadminAir Flow, Air Handlers, Questions

Mailbox

Every month Southwest Coil Company receives many questions regarding coils and air handlers.  We like to share these concerns and possible solutions with our customers, as you may also be encountering some of the same situations and find that our explanations are beneficial.   I’m the Systems Operator for a museum  that’s air conditioned and humidity controlled by massive 150-ton indoor … Read More

Existing Fan Coil Problems in High Rise Apartments & Condos?

swcoil_superadminCoil Failure, Coil Materials, Coil Performance, Coil Replacement, Fan Coil Units

There are many apartments and condos that have tremendous problems cooling a space. Many tenants/owners complain that during the peak cooling season they can’t cool large parts of their units.  There are two major reasons this happens in so many buildings, and it’s exasperated over the life cycle of operation. Undersized initial design Unit tonnage capability that’s very marginal for … Read More

How Coil Replacement Affects Performance & Dependability

swcoil_superadminCoil Performance, Coil Replacement, Uncategorized

Coils

Eventually, all the coils or the entire unit will need replacing.  In commercial and industrial systems, coil (component) replacement is the norm due to the tremendous expense and down time of an entire new system.  The larger the system tonnage, the larger the price gap and replacement becomes a no brainer. Performance To begin with, today’s coil selections for packaged … Read More

General Knowledge Test- Are You Up For It?

swcoil_superadminQuiz

Quiz!

The Southwest Coil Newsletter has always been technical in nature.   Let’s take a break from business, politics and life’s distractions to see how informed you are about other topics in general.  The answers are listed below! 1. Which country produces the most coconuts in the world? Australia Thailand United States Philippines Jamaica 2. Who is Anna Kournikova? Novelist KGB Spy … Read More