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

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


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

There are Multiple HVAC Alternatives

swcoil_superadminCentral Station Units, Coil Performance

Central Station

There are many viable alternatives for HVAC equipment that are never discussed with the end users.  This is especially true with coils, fan coil units, and air handling units. We often receive questions about this equipment – especially from maintenance personnel.  When we bring up these great alternatives, they say no one has ever told them about their choices.  The … Read More

Can You Count On Coil Performance Expectations?

swcoil_superadminCoil Construction, Coil Performance

The HVAC industry has many manufacturers of units that all have heating and/or cooling coils as an integral part of their package.  There are also many free-standing coils in large built up systems and some are mounted in duct runs from a central station unit.  What they all have in common is the presumption that all the coils will meet … Read More