View pricing, availability, product information and place orders online 24/7 at SingleSource®
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We understand that in order to be successful, companies depend on the people behind the products and services they provide. That’s why we partner with our customers to earn their trust, not just their business. For over 80 years, our team has invested in solutions to help our customers be the go-to service provider in their area. As the southeast’s leading distributor of heating, cooling and ventilation products, we work closely with exclusive brands such as Carrier, Bryant, Heil, and more. Although our product line continues to expand, our purpose has remained the same – to help dealers and contractors grow their business and make more money. Selling equipment, parts and supplies is what makes it all possible. We are proud to be an industry leading heating and air & plumbing distributor in the Southeast.
Mingledorff’s, Inc. was founded in 1939 by Walter Lee Mingledorff Jr., a 25 year old engineering graduate from Savannah, Georgia. Originally operating as a franchised Carrier heating and cooling equipment installation contractor, Mingledorff’s first job was to install an air conditioning system at his father-in-law’s home – the first air conditioned home in Savannah.
The original compressor from this installation can be seen in the Mingledorff’s– Savannah Showroom. It was still operating when it was replaced in 1988, 49 years after it was first started.
During WWII, Mingledorff’s ceased all operations to help in the war effort. Mr. Mingledorff himself went to work building minesweepers for the US Navy while many employees went to work for the defense industry or served overseas. At the end of the war, the company began operations again, becoming a direct distributor for Carrier Company and adding diversity by expanding into the retail appliance business.
Today, Mingledorff’s Inc. has over 41 locations across the southeast. The company has also obtained full distribution rights of Carrier and Bryant for the majority of Alabama, the panhandle of Florida and Southeast Mississippi. Since 1958, Mingledorff’s has concentrated on their core business as a wholesale distributor to air conditioning contractors and industrial accounts. As a heating and air distributor their number one objective is to provide dealers and contractors the tools and equipment needed for continued success.
Chairman of the Board
Bud Mingledorff has been Chairman of the Board since 2008. Prior to this position, Bud served as President starting in 1995. He has served in various positions over the years starting in 1970 upon joining Mingledorff’s on a full time basis after serving in the US Army.
Bud Mingledorff is a graduate of Wofford College with a degree in accounting.
Bud has also served as President of Heating, Air Conditioning & Refrigeration Distributors International (HARDI), Peachtree Corners Rotary Club, Ansley Kiwanis Club, the GA Wholesaler’s Association and the medium size business chairman for the Gwinnett County United Way.
Bud currently resides in Bluffton, SC with Shirley, his wife of 38 years.
President & Chief Executive Officer
David Kesterton was born and raised in Atlanta Georgia. He attended Marist School in Atlanta, Ga. and later attended Auburn University in Auburn, Alabama. David graduated from Auburn with a Bachelor of Science in Business Administration (Management) in 1984. After school he joined Mingledorff’s Inc. (HVAC Distributor in Georgia) and attended the Carrier Air Conditionings six month engineering and sales school in Syracuse, New York. Following Carrier’s Sales School David started as a Territory Sales Manager covering the metro Atlanta area. After four years, he expanded his territory to include Northwest Georgia. In 1993 David was promoted to Sales Manager for the North Georgia region followed by a promotion to Vice President and General Manager of Mingledorff’s Distributors, a division of Mingledorff’s Inc. In January, 2008 he became President and CEO of Mingledorff’s Inc. and holds that position today.
David is married to Helen Daniel Kesterton and they have two sons, Will 21 and Beau 18. Both boys attended Marist School in Atlanta. Will attends Auburn University and Beau is entering Auburn the fall of 2017. Helen is an avid tennis player participating in the Alta and USTA program and both are active members of Cherokee Town and Country Club in Atlanta. David’s hobbies include golf, fitness, fishing and gardening and currently serves on the Board at Cherokee Town and Country Club. Currently, David serves as Co-Chair of the National Carrier/Bryant Distributor Council.
VP, Chief Financial Officer
VP, General Counsel
Allison S. Brantley (“Allie”) is Vice President and General Counsel for Mingledorff’s, Inc. In this position, Allie is the principal advisor to Mingledorff’s and its subsidiaries on all legal and compliance matters. Allie also supports Mingledorff’s board of directors.
Before taking on this role, Allie was the Vice President, General Counsel and Corporate Secretary for an Atlanta based global manufacturing company, Superior Essex. Prior to that, she was an attorney at King & Spalding on the corporate and technology teams. She has extensive experience in commercial transactions, corporate compliance, mergers and acquisitions, litigation management and international law.
Allie received her undergraduate degree from the University of Georgia and earned her J.D from Mercer Law School in 1997. In law school, Allie served on both Law Review and Moot Court, graduating Phi Kappa Beta and in the top 10% of her class. She currently serves as a Steering Committee Member for Atlanta’s Habitat for Humanity Women’s Build and volunteers with Pro Bono Partnership of Atlanta.
Allie and her husband, Terry, met in law school and have been married since 1996. The Brantley’s have identical triplet daughters, born in 2001. The family resides in Kennesaw, Georgia. She enjoys trail running, traveling and watching UGA football with her family.
VP, Human Resources
Prior to joining Mingledorff’s as the Vice President of HR, Dan was the Vice President of HR Services at WestRock, a leading paper and packaging company with 50,000+ team members located in 30+ countries. Dan earned his bachelor’s degree in finance from Georgia State University and his Master’s in Business Administration from the University of Georgia. Dan started his career in IT at Georgia-Pacific before transitioning to Human Resources as a consultant in the HR Technology practice with Watson Wyatt where he worked with several Fortune 500 clients to implement HR shared services. Dan continued to primarily focus on defining processes and integrating technology into shared services at Chase, Sears Holdings and Coca-Cola before joining WestRock.
Dan is originally from North Carolina; however, he has been in Georgia since 1985. He is married with two children. His wife Laura is a retired Gwinnett County school teacher who is now working with Mercer University supervising student teachers. His two children are Sydney and Grant. Sydney graduated from Georgia Tech as a chemical engineer and is now working for Origin Materials in California. Grant graduated this year from James Madison University with a degree in economics and a minor in German.
Dan is a huge sports fan. His favorite teams include Georgia Bulldogs, Atlanta Braves, and Atlanta United. In his spare time, he can be found on the golf course.
VP, Holden & Associates, General Manager
Shane McKnight has been the General Manager for Holden and Associates since May of 2013. Prior to assuming that role he was in outside sales for Holden and Associates since 2002 and worked for Mingledorff’s in Savannah as an application engineer from 1998-2000. Shane graduated from Mercer University in 1998 with a degree in biomedical engineering. He currently lives in Cumming, Ga with his wife and 2 children.
VP, North Georgia District General Manager
Jim grew up in upstate New York and in 1984 earned his Bachelor of Science degree in Mechanical Engineering from Union College in Schenectady, NY. Jim then went to work for Carrier Corporation in their Marketing department traveling the United States and Canada over a twelve month period introducing new commercial products to their distribution partners and wholly owned sales offices.
Jim started his career at Mingledorff’s in 1985 in the Sales Engineering department calling on consulting engineers. Three years later he moved his commercial talents over to the contractor sales arena. Calling on some of the largest design build mechanical contractors in Metro Atlanta broadened Jim’s commercial technical expertise. During this time (1998-1999), he also completed his EMSMOT (Executive Masters of Science in Management of Technology) degree at Georgia Tech. After 20 years of field sales experience, Jim moved to an inside management role when he took over the North Georgia Commercial Sales and Controls Departments. In January, 2008 he became General Manager of the North Georgia district and has since been named Vice-President. Jim has also served in an advisory role on many Distributor Advisory Committees and currently is the Carrier Commercial DAC chair.
Jim is married to Denise and together they have three children. Their eldest son, Nick completed his BSME degree from Georgia Tech and is currently in an outside sales role in the commercial department serving the Mingledorff’s North Georgia territory. Brandon is currently pursuing his Political Science degree and is in his fourth year at Georgia College in Milledgeville. Anna is in her senior year at Lambert High School and is currently exploring colleges and universities for the next step in her life.
VP, Southeast District General Manager
Rob Massey is Vice-President and General Manager of the Southeast Division. Rob joined Mingledorff’s in 1986 after graduating from Georgia Tech with a bachelor’s in Civil Engineering. He began as an Application Engineer, then spent six months in Syracuse for engineering and sales training. After returning to Savannah, he spent sixteen years as a Territory Manager. He took over as General Manager of the Southeast in 2003. Rob has been married to Amy for thirty-one years and has two daughters; both are also graduates of Georgia Tech.
Mike has been the Southwest District Manager since 2006 and before that was a Territory Manager for 8 years and has also held other numerous positions with Mingledorff’s over his 30 years of employment with the company. Mike grew up in Atlanta, Georgia and graduated from Auburn University in 1984 and currently resides in Macon, Georgia with his two children Alex and Caroline and enjoys playing tennis, playing golf, going to the lake and attending college football games in his free time.
Bill Hallenberg has been the General Manger of the North Alabama District since its inception in 2006. He joined Mingledorff’s Inc. in 1996 after starting his HVAC career in 1985 at Cooling and Heating Supply in Decatur Georgia. His previous roles within Mingledorff’s include Operations Manager for the North Georgia District and Distribution Center Manager for the Norcross and Tucker Georgia Locations. He grew up in Dunwoody Georgia and enjoys golf and SEC football. Bill has a 7 year old daughter with his wife, Julie, and two grown step sons.
VP, Gulf Coast District General Manager & Marketing Director
Rick joined Mingledorff’s in 2010 to lead the Gulf Coast division after it was acquired from ESC. Before that, he spent 5 years in leadership positions with an HVAC distributor in another part of the country. His years in sales operations at GE, as well as brand management and marketing at Procter & Gamble equipped him well for HVAC distribution. Before his civilian career, Rick taught Nuclear Engineering as an officer in the Navy and also served in U.S. Army Reserve. Rick is a native of Arkansas and a Mechanical Engineering graduate of the U. of Arkansas.
Chief Information Officer
Gregg Jackson joined Mingledorff’s, Inc. as the Director of IT in October of 2015. Before coming to Mingledorff’s he has an extensive history in Commercial and Residential Construction, Construction Project Management, and became HVAC certified alongside his efforts in college to be an HVAC Service Technician. Spent 6 years in the U.S. Army as a Reconnaissance Specialist, after being medically discharged due to an injury sustained in Iraq he pursued a career in IT. He worked with NCR Corp. in South Carolina, Ontario Canada, and Duluth and Peachtree City, GA. He held a number of positions from Network Support, Payment Systems Support, Software Development, Data Center Operations and Network and Server Design, Managed Services and M&A. Gregg is originally from South Carolina and has lived in the Atlanta area since 2009. When not at work he enjoys spending time on the lake boating or fishing, or on a tennis court trying to stay active and competitive.
Corporate Controller
Lisa McNew Nold joined Mingledorff’s, Inc as the Corporate Controller in February 2013. Before coming to Mingledorff’s, she worked as the Controller and Vice President of Administration for Eagle Rock Distributing Company, a beverage distributor in Georgia, for 13 years. Prior to Eagle Rock, Lisa was a Controller with Waste Management in the Atlanta area.
Lisa is originally from Chattanooga and has lived in metro Atlanta since 1992. She earned her Bachelor of Science degree in Accounting from the University of Tennessee at Chattanooga and is an active CPA. Lisa serves on the Board of the Robert D. Fowler YMCA. She enjoys spending her free time with her family and running marathons.
Director of Finance
Joelle Thomas became Director of Finance for Mingledorff’s in December 2021. In this role, she is responsible for the oversight of financial operations initiatives, reporting, planning, and other special projects for the company. Joelle joined Mingledorff’s in January 2020 as our Finance Manager. She possesses a wide-range of experience in Finance and Accounting which she gained in the decade prior when she held multiple leadership positions at other companies.
Joelle was born in New York but raised in Florida. She attended the University of Florida for her undergraduate studies. In 2011, she earned a dual Masters in Business and Accounting at the Kennesaw State University. In her spare time, Joelle enjoys cooking, interior decorating, traveling and serving in her community. She currently serves as an advisory board member for Never Alone Food Pantry, focusing on increasing outreach initiatives and community involvement.
Director of Commercial Sales
Mike Nelson is the Director of Commercial Sales for Mingledorff’s. Mike joined Mingledorff’s in 2005 as part of the Commercial Support team. From there, Mike moved into a role of Account Executive, and then in to the role of North Georgia Commercial Sales Manager in 2013. In 2021, Mike was promoted to Director of Commercial Sales. Prior to joining Mingledorff’s, Mike worked for a mechanical contractor in Marietta, GA and then a MEP design firm in Roswell, GA.
Mike is a native of East Tennessee and a graduate of Georgia Tech with a bachelor’s in Mechanical Engineering. He lives in Alpharetta, Ga with his wife and two children. In his spare time, Mike enjoys traveling (especially to National Parks), fitness, serving at his church, and spending time with his family.
Carrier Brand & North Georgia Sales Manager
Michael Joined Mingledorff’s in 2012 as a Business Development Manager and was promoted to North Georgia Residential Sales Manager & Carrier Brand Manager for Mingledorff’s in May 2016. Prior to joining Mingledorff’s Michael was a Sales Manager for another HVAC brand after spending many years in the field as a Residential Territory Manager. Michael also holds a degree in Business Management from the University of Phoenix. Michael started his HVAC career as a helper in 1994 after he graduated from North Gwinnett High School and continued to work on the dealer side of the business as an Installer, Service Tech and General Manager until 2004. Michael was born and raised in Suwanee, Georgia. His hobbies include Fishing, Hunting and Cars.
North Georgia Bryant Sales Manager
Mike joined Mingledorff’s in 2022 as the North Georgia Bryant Sales Manager. Mike grew up in Gainesville, GA and graduated from Gainesville High school. He attended the University of Georgia before leaving to pursue a career in commercial refrigeration. He switched to a career in the HVAC industry as a service technician in 1998 working for a Bryant dealer in Gainesville, GA. He advanced in the company to a sales position, VP of Operations, and eventually into an ownership stake in the company. The company was recognized nationally in 2018 as the Bryant Dealer of The Year for North America. Mike is married to his wife Vickie and they have a son, Michael, that will graduate from the United States Air Force Academy in the spring of 2022. Mike enjoys golf, SEC football, and promoting the Bryant brand for the past 25 years.
WeatherMaker Brand & Business Development Group Manager
Gary’s first experience working with Mingledorff’s occurred while in High School, working in the Literature Room. After graduating from Kennesaw State University in 1984 (Bachelor of Business Administration in Management), Gary returned to Mingledorff’s, where he began his career with the company in the Residential Order Department. In 1986, Gary moved into the role of a Territory Manager, where he worked until 2017. Gary took on the role of Business Development Manager in 2018, working with dealers and Mingledorff’s store personnel in a training role.
In 2021, Gary accepted the position of WeatherMaker and Business Development Group Manager.
A Georgia native, Gary lives in Powder Springs, GA with his wife, Angela. They have three married adult children.
Residential Brand & Sales Development Manager
Curt joined Mingledorff’s in early 2022 as the Residential Brand and Sales Development Manager working out of the Norcross office. Prior to joining Mingledorff’s, Curt was a Regional Sales Manager with Carrier Corporation and has spent his entire career in the HVAC industry working in both commercial and residential sales positions. He graduated in 1992 with a BSEE from North Carolina State University and received an MBA from Queen’s University’s School of Business in 2018. Curt and his wife, Marybeth were married in 1991 and have six kids, three boys and three girls.
© 1939–2023 Mingledorff's Inc. All rights reserved.
| Anniston | (256) 241-3026 | 105 E D St, Anniston, AL 36201 |
| Auburn | (334) 734-8011 | 2295 1st Ave, Opelika, AL 36801 |
| Birmingham | (205) 250-7714 | 516 31st St N, Birmingham, AL 35203 |
| Dothan | (334) 836-1035 | 205 Wedgewood Dr, Dothan, AL 36303 |
| Gulf Shores | (251) 968-2660 | 820 Commerce Dr, Gulf Shores, AL 36542 |
| Huntsville | (256) 859-2691 | 391 Nick Fitcheard Rd NW, Huntsville, AL 35806 |
| Loxley | (251) 964-2707 | 30020 Co Rd 49, Loxley, AL 36551 |
| Mobile | (251) 476-2220 | 5522 W Commerce Blvd West, Mobile, AL 36619 |
| Montgomery | (334) 262-4855 | 861 Plantation Way, Montgomery, AL 36117 |
| Muscle Shoals | (256) 383-6904 | 107 Commerce St, Muscle Shoals, AL 35661 |
| Tuscaloosa | (205) 632-7176 | 5030 Old Montgomery Hwy, Tuscaloosa, AL 35405 |
| Albany | (229) 432-5254 | 205 Baldwin Dr, Albany, GA 31707 |
| Athens | (706) 548-2563 | 105 Whitetail Way, Bogart, GA 30622 |
| Atlanta | (404) 875-7755 | 1290 Tacoma Dr NW, Atlanta, GA 30318 |
| Augusta | (706) 651-1950 | 3618 Wrightsboro Rd, Augusta, GA 30909 |
| Brunswick | (912) 265-5193 | 275 Rose Dr, Brunswick, GA 31520 |
| Columbus | (706) 322-3870 | 6201 W Hamilton Park Rd, Columbus, GA 31909 |
| Conyers | (770) 918-9132 | 335 Gees Mill Business Pkwy NE, Conyers, GA 30013 |
| Forest Park | (404) 361-2474 | 5158-C Kennedy Rd, Forest Park, GA 30297 |
| Gainesville | (770) 297-9335 | 2472 Hilton Dr, Gainesville, GA 30501 |
| Lawrenceville | (678) 442-1060 | 2111 Cedars Rd SE, Lawrenceville, GA 30043 |
| Lithia Springs | (770) 948-3451 | 320 Thornton Rd #106, Lithia Springs, GA 30122 |
| Macon | (478) 474-8544 | 5527 Thomaston Rd, Macon, GA 31220 |
| Marietta | (770) 426-0551 | 1060 Triad Ct, Marietta, GA 30062 |
| Newnan | (770) 239-2105 | 70 Enterprise Ct, Newnan, GA 30265 |
| Peachtree Corners | (770) 239-2100 | 6675 Jones Mill Ct, Peachtree Corners, GA 30092 |
| Savannah | (912) 232-1228 | 103 Central Jct Blvd, Savannah, GA 31405 |
| Statesboro | (912) 764-8841 | 126 W Parrish St, Statesboro, GA 30458 |
| Valdosta | (229) 245-8200 | 363 Connell Rd, Valdosta, GA 31602 |
| Warner Robins | (478) 953-3727 | 110 Byrd Way, Warner Robins, GA 31088 |
| Hardeeville | (843) 867-2143 | 132 Red Oaks Ln, Ridgeland, SC 29936 |
| Hilton Head | (843) 689-3404 | 3715, 21 Hunter Rd, Hilton Head Island, SC 29926 |
| Fort Walton Beach | (850) 244-2017 | 76 Beal Pkwy SW, Fort Walton Beach, FL 32548 |
| Panama City | (850) 913-0585 | 800 W 13th St, Panama City, FL 32401 |
| Pensacola | (850) 438-1005 | 4405 N. Palafox Street, Pensacola FL 32505 |
| Hattiesburg | (601) 579-9670 | 1851 Lincoln Rd, Hattiesburg, MS 39402 |
| Ocean Springs | (228) 497-5090 | Sunplex Industrial Park, 5717 Suntec Drive, Ocean Springs, MS 39564 |
Norcross – North Georgia Hub
(800) 282-4911
Birmingham – North Alabama Hub
(205) 250-7714
Macon – Southwest Hub
(800) 342-9250
Loxley – Gulf Coast Hub
(800) 239-7419
Savannah – Southeast Hub
(800) 822-7617
| Company | Web Address | Description | |
 | Airzone | www.airzoneinc.com | Custom and Underfloor Air Handlers |
 | Aladdin Metal Products | www.aladdinmetalproducts.com | Curb Adapters and Roof Curbs |
 | Aprilaire | www.aprilaire.com | Indoor Air Quality Products |
 | Autani | www.autani.com | Building Automation and Controls |
 | Bard | www.bardhvac.com | Heat Pumps,Gas/Electric, and Wall Mounted Air Conditioners |
 | Bryant | www.bryant.com | Commercial, Industrial, Residential Heating & A/C Products and Controls |
 | Carrier | www.commercial.carrier.com | Commercial and Residential Heating & A/C Products |
 | Data Aire | www.dataaire.com | Precision Air Control for Data Processing Centers |
| DXair | www.dxair.com | Pool dehumidification systems | |
| First Company | www.firstco.com | Fan Coil Units | |
 | Global Plasma Solutions | www.gpshvac.com | Air Purification and Bi-Polar Ionization |
| Gree | www.greeusa.com | PTACs | |
| Hayes Fluid Controls | www.haysfluidcontrols.com | Hose Kits and Control Valves | |
| iAire | www.myiaire.com | Commercial Air Purification using ionization with energy savings | |
| IslandAire | www.islandaire.com | PTACs, Vertical Units, Water Source Heat Pumps | |
| i-Vu | www.commercial.carrier.com | Building Automation and Controls | |
| Magic Aire | www.magicaire.com | Fan Coil Units | |
| Micro Metl | www.micrometl.com | Roof Curbs, RTU Accessories, & ERVs | |
| Modine | www.modine.com | Gas-Fired Unit Heaters, Duct, Furnaces, Hot Water Cabinet Unit Heaters, Makeup Air, and Dedicated Outdoor Air Systems | |
| Network Thermostat | www.networkthermostat.com | Internet Thermostats, Wifi Themostats, Ethernet Thermostats | |
 | Payne | www.payne.com | Residential Heating & A/C Products |
 | Rawal Devices | www.rawal.com | Continuous Capacity Modulation and Dehumidification for DX Systems |
 | Renew Aire | www.renewaire.com | Fixed-Plate ERVs |
 | Totaline | www.totaline.com | Compressors, Parts, and Supplies |
 | United CoolAir | www.unitedcoolair.com | Modular All-Indoor HVAC Systems |
| Warren Technology | www.warrenhvac.com | Electric Heaters | |
| Wilo Pumps | www.wilo-usa.com | Pump Systems for HVAC and Water Supply and Sewage |
