Value Through Engineering

Industrial & Commercial Heating, Ventilation, Air Conditioning, and Refrigeration Professionals

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Lincoln Associates

Delivering Value Through Engineering Since 1972

Lincoln Associates has been a top HVAC & Refrigeration equipment representative across the Southeast for over five decades.

Our experienced engineers specialize in custom system integration for industrial and commercial end users, contractors, and engineers.

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Our Trusted Manufacturing Partners

We are committed to providing our customers with quality products, engineering and customer service through creativity, integrity and professionalism. Below are a few of our featured partners.

Applied Air is one Lincoln Associates Manufacturing Partners
Mars Air Systems provides good case studies to achieve quality customer service
Munters is one Lincoln Associates Manufacturing Partners
Drake Refrigeration, Inc. is one Lincoln Associates Manufacturing Partners that provides good case studies to achieve quality customer service
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ThermoTek
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What We Do

Industrial HVAC & Refrigeration Consulting

Consulting

Our consultative sales approach focuses on understanding your needs and providing custom solutions that consistently exceed expectations. We aim to create long-lasting partnerships by offering valuable insights and ensuring our products and services align with your goals.

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Industrial HVAC & Refrigeration Design Integration

Design & Integration

Our team of engineers design custom HVAC solutions, seamlessly integrating diverse product lines to optimize performance and efficiency of your project or application. Our strong vendor relationships guarantee access to top-quality equipment and support throughout the process.

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Lincoln Associates, team of industrial hvac & refrigeration experts

Lincoln Associates endeavors to be the leader in the representation of quality industrial HVAC & Refrigeration manufacturers

We are committed to providing our customers with quality products, engineering and customer service through creativity, integrity and professionalism.

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Lincoln University

Welcome to Lincoln University, your hub for heating, ventilation, air conditioning, and refrigeration education. We provide a diverse range of resources to help you stay informed and excel in the industry. Explore our resources below and embark on your path to becoming an industrial HVAC & Refrigeration expert!
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Evaporator Coil - Single-Circuit

Single Circuit

Evaporator Coil - Intertwined

Intertwined

Evaporator Coil - Split Face

Face Split face

Tube Diameter

Use a caliper or tape measure to determine the outside diameter of the tubes.

If necessary, remove insulation to see the incoming and outgoing lines. Measure the diameter of the outside of the line to help determine connection size.

Standard connection types are MPT (male pipe thread), FPT (female pipe thread), and Copper Sweat Connection. MPT is threaded on the outside, FPT is threaded on the inside, and Copper Sweat is used for soldered connections

Fins per Inch

Using a ruler, count the number of fins on the coil within one inch. Normal fin counts will be between 4 and 14 FPI.

Fin Length

Measure in the direction of the tubes, regardless of which direction the tubes are running.

Fin Height

Measure in the direction of the fin.

Single, Double, and Half Serpentine

Rows are counted in the direction of airflow, no matter how the coil is installed. You can count rows by looking at either the header end or the return bend end of the coil. Note that headers or return bends may not be evenly spaced across the coil.

Fluid coils—hot water, chilled water, and glycol water—regulate building air temperature by heating or cooling air in Air Handling Units (AHUs). Constructed with multiple rows of tubes, typically copper, these coils efficiently transfer heat between air and circulating fluids. They are vital for year-round comfort, accommodating diverse fluids like glycols and thermal oils for varied HVAC needs.

Condenser coils transfer heat from refrigerant vapor to the outdoor air, ensuring efficient cooling in HVAC and refrigeration systems. Constructed from materials like copper or aluminum to maximize heat transfer, these coils are vital for maintaining precise temperature control in industrial and commercial environments.

Steam coils utilize the latent heat of steam, released during condensation from vapor to liquid. They feature efficient condensate management to prevent water buildup and ensure uniform steam distribution. Available in configurations for high and low-pressure applications, steam coils are highly effective for heating air in a wide range of environments.

Evaporator coils absorb heat from indoor air to cool and dehumidify spaces by evaporating refrigerant from liquid to vapor. Located indoors, these coils are essential for maintaining comfortable environments in industrial and commercial settings, offering excellent performance in cooling, process cooling, and dehumidification applications. They are versatile for use in Air Handling Units (AHUs), central systems, or duct installations.