Are Coils the Culprit Behind Decreased A/C Unit Cooling?

swcoil_superadminCondenser Coils, Evaporator Coils, Salt Corrosion

Coil cleaning

Almost all packaged A/C or split system units do not have a service factor for extra capacity.  Even when new, these units may not yield the cooling BTUH capacity specified due to improper installation and/or incorrect load calculations at the inception of installation and startup.  Consequently, as the system gets older and parts become less efficient, the system may lower … Read More

Test Your Condenser Coil Knowledge

swcoil_superadminCondenser Coils, Quiz

Condenser coils have a high number of fins per inch due to which of the factors listed below? a. Helps distribute the air across the tubes b. Drastically improves heat transfer c. Reduces cost d. Reduces air resistance Fins on any coil assist in the distribution of air across the tubes, so adding more fins doesn’t make much of a … Read More

Coil Material Selection – Do You Know Their Best Usage?

swcoil_superadminCoil Materials, Coil Replacement, Condenser Coils

There are thousands of different types of systems and applications for heat transfer coils. They range from simple commercial HVAC installations through highly corrosive industrial process applications. Over the years, we’ve noticed a high volume of misapplication of coils that reduces their life expectancy. Test your coil material selection knowledge by answering the questions below: 1. What system characteristic would … Read More

Understanding Condenser Coil Vibration

swcoil_superadminCoil Replacement, Condenser Coils, Vibration

There are many packaged HVAC unitary products that have condenser coils as an integral part of the unit’s design. They include: Indoor air-cooled, self-contained air handlers Outdoor air-cooled condensers Outdoor air-cooled condensing units Packaged outdoor rooftop air handlers All the above types of units have been staples in our industry for over 50 years. Air-cooled condenser coils are usually on … Read More