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Chris Page, our team's President, CEO, Outside Sales Engineer

Chris Page, PE

President, CEO, Outside Sales Engineer

Chris is a highly experienced professional in the HVAC/R industry with a career spanning over 25 years. He started at Lincoln Associates in 1997 as an engineer and has since become the President/CEO, acquiring the company in 2018. Chris earned his degree in Industrial Engineering from Georgia Tech and has been a registered Professional Engineer (P.E.) in Georgia since 2002, highlighting his commitment to excellence in the field.

Specializing in the West/South Central Georgia and Central Alabama markets, Chris has played a pivotal role in expanding Lincoln Associates’ presence and influence over the years. His dedication to providing quality engineering solutions and building strong client relationships has been instrumental in the company’s continued success.

Outside of work, Chris enjoys golfing and watching football.

Yura Vinitsky our team's VP of Sales & Marketing, Outside Sales Engineer

Yura Vinitsky

VP of Sales & Marketing, Outside Sales Engineer

Yura joined Lincoln Associates in 2004 and serves as an Outside Sales Engineer, the VP of Sales and Marketing, and a Partner since 2018. Yura earned his degree in Mechanical Engineering from Georgia Tech, and specializes in precision humidity control, dust collection, and heat exchangers. With nearly two decades of experience in the HVAC/R industry, Yura brings a wealth of knowledge and unwavering commitment to the company. His deep-rooted industry experience, combined with his multifaceted roles and dedication, make him an indispensable asset to the company’s continued success and growth.

Outside of work, Yura enjoys spending time with his family and woodworking. 

Rob Thurman, our team's Vice President, Outside Sales Engineer

Rob Thurman

Vice President, Outside Sales Engineer

Rob is a multifaceted professional at Lincoln Associates, where he serves as the CFO, Partner, and Outside Sales Engineer. With over two decades of experience in the HVAC/R industry and a degree in Mechanical Engineering Technology from Southern Polytechnic, he brings invaluable expertise to the team. Rob’s primary focus lies in coil sales and solutions, particularly in the Tennessee and North Georgia markets. Before joining Lincoln Associates in 2003, he spent six years in HVAC sales, honing his industry insights. His contributions to Lincoln Associates have been pivotal to the company’s financial stability and growth, cementing his reputation as a dedicated and innovative leader in the field.

Outside of work, Rob enjoys traveling, making homemade wine, hiking and going to the gym.

David Page, our team's Chief Administrative Officer, Outside Sales Engineer

David Page


David joined Lincoln Associates as an Outside Sales Engineer in 2014 and became a partner in 2020. A graduate of Kennesaw State University, David brings over 15 years of HVAC/R industry experience to the table. Before joining Lincoln Associates, he honed his skills during a six-year tenure as an Engineering Assistant at a prominent local HVAC manufacturing company. David’s commitment to professional development is evident through his numerous certifications and industry-specific training, with a strong focus on coils, dehumidification, and infrared heating. His wealth of expertise and dedication make him an invaluable asset to the company, contributing to its commitment to excellence in serving its clients.

Outside of work, David enjoys spending time at the gym and prioritizes living a healthy lifestyle.

Reed Coggins, PE

Outside Sales Engineer

Reed joined Lincoln Associates in 2019 as an Outside Sales Engineer, and in 2023, became a partner within the company. With a degree in Mechanical Engineering from Georgia Tech and having been a registered Professional Engineer in Georgia since 2017, Reed brings a strong educational and professional background to his role. He has accumulated more than 14 years of experience in the HVAC/R industry, beginning with a five-year tenure as an MEP consulting engineer, followed by three years as a commissioning engineer before joining Lincoln Associates.

Reed’s leadership extends beyond his responsibilities at Lincoln. He has demonstrated his commitment to the company’s long-term success and its outstanding reputation in the industry by serving as the President of the ASHRAE Atlanta chapter since 2022.

Outside of work, Reed enjoys traveling and playing golf.

Rex Sparks

Outside Sales Engineer

Rex joined Lincoln Associates in 2022 and brings 27+ years of experience in the HVAC/HVAC-R manufacturer rep industry. He represented Heatcraft-Modine and various other commercial and industrial product lines for thirteen years in his hometown of Cincinnati, OH then worked an additional fourteen years in St. Petersburg, FL where he now resides. His expertise and focus are on coil sales and solutions in Florida.

Rex’s experience in the HVAC&R industry has allowed him the knowledge to problem solve with a multitude of customers including a large-chain grocery stores, hospitals, educational institutions, hotels and even NASA.

Outside of work, Rex enjoys spending time with his wife and two sons. He also enjoys camping and volunteering as a local Boy Scout leader and a Little League coach.

Terrell Lewis

Outside Sales Engineer

Terrell Lewis joined Lincoln Associates in 2022 and brings over twenty years of HVAC experience to the Lincoln team having previously worked as a technician for fourteen years and then as a Design Build Sales Engineer for an additional six years. Building Performance and Process Performance have been a strong focus for Lewis to help clients and their facilities regarding process requirements, scrap rates, project financial analysis, carbon footprint reduction/energy usage, and outside-the-box design solutions. Due to the multitude of specialty product lines offered by Lincoln Associates, Lewis joined the team excited to utilize those offerings and provide long term solutions for new and existing clients.

In addition to his decades of experience in the HVAC field, Terrell has specialty training in Building Automation Systems and Controls from Trane, Carrier, Tridium/Niagara, & Metasys.

Terrell enjoys hiking and trips to the mountains with his wife and children. He is an accomplished musician, and he also enjoys mountain biking and working on his Jeep.

Stephen Sullens, PE

Outside Sales Engineer

Stephen joined Lincoln Associates in 2023 as an Outside Sales Engineer. With over 18 years in the field and a strong focus on HVAC systems for 14.5 years, Stephen serves as the vital link between technical proficiency and client needs. His innovative approach and industry knowledge perfectly align with Lincoln’s dedication to tailored solutions and exceptional customer service.

Stephen earned his Bachelor of Science in Industrial Engineering from Georgia Tech, an MBA from Georgia College and State University. He has been a registered professional engineer since 2016 and LEED AP BD&C since 2013, attesting to his proficiency in sustainable engineering solutions.

Outside of work, Stephen enjoys traveling, watching and playing sports and home renovation projects.

Matt Garner

Application Engineer

Matt joined Lincoln Associates in 2022 as an Application Engineer. He began his career in HVAC as a mechanical contractor under the apprenticeship of his father’s company. After graduating from the University of Alabama in Huntsville (UAH) with a degree in Engineering Technology, Matt spent 2 years working within the Power Generation Industry before returning to HVAC as a manufacturer’s Sales Engineer where he specialized in dedicated outdoor air systems (DOAS) and energy recovery.

At Lincoln Associates, Matt provides inside sales and system design support for projects ranging from commercial comfort to industrial process. With a combined background of practical, hands-on experience and mechanical engineering, he is dedicated in providing the best solution possible for each unique application.

Outside of work, Matt enjoys playing guitar and reading.

Sean Leonard

Inside Sales Engineer

Sean joined Lincoln Associates in 2023 as an Inside Sales Engineer. He recently graduated from Auburn University with a degree in Mechanical Engineering. Sean is a valuable addition to our team, bringing fresh insights and a passion for engineering to his role.

As an Inside Sales Engineer, Sean plays a crucial role in supporting our outside sales team. His responsibilities include assisting with quotes, maintaining open lines of communication with customers, and conducting in-depth research on units to ensure we deliver the best solutions.

Outside of work, Sean likes to spend his time golfing or at the gym.

Morgan McLean

Marketing Director

Morgan joined Lincoln Associates in 2023 as the Marketing Director. She handles all of the day-to-day marketing activities for Lincoln, including managing social media pages, communicating with vendors and supporting the outside sales team.

Morgan graduated from Georgia College and State University with a degree in Marketing and a minor in Finance. Before joining Lincoln Associates, she held business development and marketing roles at a personal injury law firm and a payment processing company.

Outside of work, Morgan enjoys taking her two dogs on hikes and going to the gym.

Tiffani Epps

Customer Service Manager

Tiffani is the Customer Service Manager at Lincoln Associates, where her multifaceted role spans across accounting, sales, and customer service. With a strong focus on ensuring a seamless customer experience, she plays a pivotal role in the company’s operations.

Tiffani began her career with Lincoln in September of 2019 as a Customer Service Representative and has worked her way to her current managerial position. As the Customer Service Manager, she is responsible for processing and tracking orders, ensuring efficient account receivables management, and overseeing collections. She has a natural talent for customer service and says the best part of her job is building relationships with Lincoln’s customers.

Before joining Lincoln Associates, Tiffani spent several years in the construction and remodeling industry. Her diverse background, spanning various departments within the industry, has endowed her with a well-rounded understanding of its intricacies. This comprehensive knowledge further enhances her professionalism in her present role.

Outside of work, Tiffani enjoys fishing and spending time with her grandson.

Mandy Robertson

Customer Service Representative

Mandy joined Lincoln Associates in 2022 as a Customer Service Representative. With over 15 years of customer service experience, Mandy has become an asset to the Lincoln team. Driven by her willingness to develop client relationships, she takes pride in providing the best customer service possible.

Mandy holds a Bachelor of Business Administration in Marketing from Kennesaw State University. As the Customer Service Representative, Mandy assists with orders and logistics.

Outside of work, Mandy enjoys traveling and exploring new places.


Dawn Graham

Director of Accounting

Dawn joined Lincoln Associates in 2017 as the Director of Accounting. She handles all accounting activities, assists in Human Resources tasks, new customer/vendor onboarding, and more.

Prior to joining Lincoln, Dawn spent eighteen years in the banking industry, working her way from Teller to Customer Service and eventually to Branch Manager. Dawn left the banking industry in 2011 to pursue and earn her Associates Degree in Accounting, and is currently pursuing her Bachelor’s in Accounting.

In her free time, Dawn enjoys spending time with her husband and children on their small farm. Her hobbies include gardening, cooking, and reading.

Single Circuit


Face Split face

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

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

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

Measure in the direction of the fin.

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.