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Who We Are

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.

HVAC and Plumbing Distributor Savannah, GA

Mingledorff’s Story

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.

Top-Rated Heating and Air Distributor in the Southeast

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.

our reputation is based on the success of our customers


Heating Air Distributor Southeastern USA

Bud Mingledorff

Chairman of the Board

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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.

Heating Air Distributor Southeastern USA

David Kesterton

President & Chief Executive Officer

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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.

Heating Air Distributor Southeastern USA

Rob Willis

VP, Chief Financial Officer

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Rob Willis became CFO of Mingledorff’s in January 2013. Before that he served as the company’s Controller since starting with the organization in 2010. Rob came to Mingledorff’s with 15 years of experience in progressive finance and accounting roles from other highly successful distribution and manufacturing organizations. Rob is an active CPA, as well as a Chartered Global Management Accountant. He graduated at the top of his class with a degree in Accounting from Campbellsville University. He later went back to school and got his MBA with a 4.0 GPA. Rob is originally from Kentucky but has lived in the Atlanta area for 15 years. He enjoys international travel and boating.
Heating Air Distributor Southeastern USA

Allison Brantley

VP, General Counsel

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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. 

Dan Gordon

VP, Human Resources

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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.

Heating Air Distributor Southeastern USA

Shane McKnight

VP, Holden & Associates, General Manager

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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.

Heating Air Distributor Southeastern USA

Jim Spenello

VP, North Georgia District General Manager

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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.

Heating Air Distributor Southeastern USA

Rob Massey

VP, Southeast District General Manager

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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.

Heating Air Distributor Southeastern USA

Mike Harrison

VP, Southwest District
General Manager
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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.

Heating Air Distributor Southeastern USA

Bill Hallenberg

VP, North Alabama District
General Manager
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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.

Heating Air Distributor Southeastern USA

Rick Center

VP, Gulf Coast District General Manager & Marketing Director

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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.

HVAC Distributor

Gregg Jackson

Chief Information Officer

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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.

HVAC Distributor

Lisa Nold

Corporate Controller

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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.

Joelle Thomas

Director of Finance

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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.

Photo of Mike Nelson HVAC Supply House

Mike Nelson

Director of Commercial Sales

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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.

Heating Air Distributor Southeastern USA

Michael Hopkins

Carrier Brand & North Georgia Sales Manager

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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.

Mike Herrington Headshot

Mike Herrington

North Georgia Bryant Sales Manager

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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.

Gary Turner

Gary Turner

WeatherMaker Brand & Business Development Group Manager

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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.

Curt Whalen

Residential Brand & Sales Development Manager

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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. 

We exist to help contractors like you

Reasons to Choose Mingledorff's Inc.

Expert Co-Op Advertising Services

Quality Financing Options

HVAC Partnership Program

Commercial HVAC Project Management

Top Commercial Heating and Air Bidding

Bryant and Carrier Partnership Promotions

Top-Rated Heating and Air Distributor Southeastern USA

Alabama Locations

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

Georgia Locations

Albany(229) 432-5254205 Baldwin Dr, Albany, GA 31707
Athens(706) 548-2563105 Whitetail Way, Bogart, GA 30622
Atlanta(404) 875-77551290 Tacoma Dr NW, Atlanta, GA 30318
Augusta(706) 651-19503618 Wrightsboro Rd, Augusta, GA 30909
Brunswick(912) 265-5193275 Rose Dr, Brunswick, GA 31520
Columbus(706) 322-38706201 W Hamilton Park Rd, Columbus, GA 31909
Conyers(770) 918-9132335 Gees Mill Business Pkwy NE, Conyers, GA 30013
Forest Park(404) 361-24745158-C Kennedy Rd, Forest Park, GA 30297
Gainesville(770) 297-93352472 Hilton Dr, Gainesville, GA 30501
Lawrenceville(678) 442-10602111 Cedars Rd SE, Lawrenceville, GA 30043
Lithia Springs(770) 948-3451320 Thornton Rd #106, Lithia Springs, GA 30122
Macon(478) 474-85445527 Thomaston Rd, Macon, GA 31220
Marietta(770) 426-05511060 Triad Ct, Marietta, GA 30062
Newnan(770) 239-210570 Enterprise Ct, Newnan, GA 30265
Peachtree Corners(770) 239-21006675 Jones Mill Ct, Peachtree Corners, GA 30092
Savannah(912) 232-1228103 Central Jct Blvd, Savannah, GA 31405
Statesboro(912) 764-8841126 W Parrish St, Statesboro, GA 30458
Valdosta(229) 245-8200363 Connell Rd, Valdosta, GA 31602
Warner Robins(478) 953-3727110 Byrd Way, Warner Robins, GA 31088

South Carolina Locations

Hilton Head(843) 689-34043715, 21 Hunter Rd, Hilton Head Island, SC 29926

Florida Locations

Fort Walton Beach(850) 244-201776 Beal Pkwy SW, Fort Walton Beach, FL 32548
Panama City(850) 913-05853012 Lisenby Ave, Panama City, FL 32405
Pensacola(850) 438-10054405 N. Palafox Street, Pensacola FL 32505

Mississippi Locations

Hattiesburg(601) 579-96701851 Lincoln Rd, Hattiesburg, MS 39402
Ocean Springs(228) 497-5090Sunplex Industrial Park, 5717 Suntec Drive, Ocean Springs, MS 39564

Commercial Sales

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

Commercial Parts

[email protected]
(844) 99-CHILL

 CompanyWeb AddressDescription
Airzonewww.airzoneinc.comCustom and Underfloor Air Handlers
Aladdin Metal Productswww.aladdinmetalproducts.comCurb Adapters and Roof Curbs
Aprilairewww.aprilaire.comIndoor Air Quality Products
Autaniwww.autani.comBuilding Automation and Controls
Bardwww.bardhvac.comHeat Pumps,Gas/Electric, and Wall Mounted Air Conditioners
Bryantwww.bryant.comCommercial, Industrial, Residential Heating & A/C Products and Controls
Carrierwww.commercial.carrier.comCommercial and Residential Heating & A/C Products
Data Airewww.dataaire.comPrecision Air Control for Data Processing Centers
 DXairwww.dxair.comPool dehumidification systems
 First Companywww.firstco.comFan Coil Units
Global Plasma Solutionswww.gpshvac.comAir Purification and Bi-Polar Ionization
 Hayes Fluid Controlswww.haysfluidcontrols.comHose Kits and Control Valves
 iAirewww.myiaire.comCommercial Air Purification using ionization with energy savings
 IslandAirewww.islandaire.comPTACs, Vertical Units, Water Source Heat Pumps
 i-Vuwww.commercial.carrier.comBuilding Automation and Controls
 Magic Airewww.magicaire.comFan Coil Units
 Micro Metlwww.micrometl.comRoof Curbs, RTU Accessories, & ERVs
 Modinewww.modine.comGas-Fired Unit Heaters, Duct, Furnaces, Hot Water Cabinet Unit Heaters, Makeup Air, and Dedicated Outdoor Air Systems
 Network Thermostatwww.networkthermostat.comInternet Thermostats, Wifi Themostats, Ethernet Thermostats
Paynewww.payne.comResidential Heating & A/C Products
Rawal Deviceswww.rawal.comContinuous Capacity Modulation and Dehumidification for DX Systems
Renew Airewww.renewaire.comFixed-Plate ERVs
Totalinewww.totaline.comCompressors, Parts, and Supplies
United CoolAirwww.unitedcoolair.comModular All-Indoor HVAC Systems
 Warren Technologywww.warrenhvac.comElectric Heaters
 Wilo Pumpswww.wilo-usa.comPump Systems for HVAC and Water Supply and Sewage