Welcome to the Virginia Air Technical Service Support area. Our goal is to provide the best technical service support of any HVAC distributor in the country. Here you'll find the contact information for our Branch Technical Service Managers, as well as a listing of what products each one can support.  In addition we’d like to have you on our technical support email list, which is designed to help us contact you in the most efficient way possible when there are service and/or training related topics we feel would hold great interest for you.  If you’d like to be on that list please click on this link to complete our online sign up form.  If you’d like contact our group with any technical or training related topic just email us at  This email address is being protected from spambots. You need JavaScript enabled to view it. .  Someone from our group will respond as quickly as possible.  You can also send an email directly to a specific person in our group using the email addresses shown next to each person’s name. 

Technical Service Managers

NEW Technical Support Phone Line

888-823-HELP (4357)

As part of our ongoing effort to provide the best technical support in the industry we now have a dedicated line to get you directory to the technical support you need.  By utilizing the number above you can be routed to the best person available to provide the support you need.

View by region: Director | North Carolina | Tri-State | Virginia


North Carolina Region

David Cole - Technical Service Manager - Charlotte, NC
Email:  This email address is being protected from spambots. You need JavaScript enabled to view it.
888-823-4357 Ext 74001

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David has been in the HVAC industry for over 42 years.  He spent 10 years as a technician with Arkansas Louisiana Gas Company servicing and installing HVAC equipment which included Absorption and Hermetic equipment.  The next 18+ years he operated his own HVAC Company designing, installing and servicing residential and light commercial equipment.  In 2005 he took a position with a HVAC manufacturer as their Technical Service Representative supporting the residential and light commercial equipment lines and remained there for the over 8 years.  During this time and currently, he has been an instructor at a Central Piedmont Community College.  He is NATE certified in several specialties and currently tasked with creating and teaching the curriculum for the first NATE prep courses, and teaching Commercial Controls, Residential Controls, Both Commercial and Residential load classes among others being taught there.   He has been part of the Virginia Air Technical Service Manager’s team for several years and looking forward to continuing to assist in the daily support and training of the equipment products provided by Virginia Air Distributors and VAD.



Richard Hilke - Senior Technical Service Manager - Raleigh, NC
Email: richardhilke@virginiaair.com
888-823-4357 Ext 74012

Richard has over 32 years in the HVAC industry. His work history through the years has been in various aspects of the trade, including installer, service technician, service manager, and trainer. Before coming to Value Added Distributors, he spent several years developing his training style teaching classes in both a technical college as well as an Adult State Correctional Facility. Richard joined Allied HVAC Distributors in Virginia, a branch of our Value Added Distributors line in 2014 as Technical Service Manager.  Richard switched to the Virginia Air Distributors branch of Value Added Distributors after relocating to NC in 2016. 


Tri-State Region

Greg Andrews - Senior Technical Service Manager - Cleveland, OH
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888-823-4357 Ext 74003

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Greg has over 36 years in the HVAC industry. Over the years he’s worked in all aspects of the trade, including installer, service technician, Installation Manager, Service Manager, and General Manager. His work experience includes design, troubleshooting, sales, and education. Prior to Joining Virginia Air he was the General Manager of a Cleveland/Akron based residential and commercial contractor. Greg holds Ohio state licenses for HVAC, Hydronics, Refrigeration, and Electrical.

Jim Isbell – Technical Service Manager – Cincinnati, OH
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888-823-4357 Ext 74004

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Jim has been involved in the HVAC industry since 1990, learning the HVAC/R trade in the United States Army.  Over the years, he has worked in various roles, from installation to service to management.  Jim holds National Comfort Institute certifications as a Commercial Air Balancer as well as a Carbon Monoxide and Combustion Analyst.  He also holds NATE certifications in Air Conditioning Installation and Service, Heat Pump Installation and Service, Air Distribution Installation and Service, and Gas Furnace Installation and Service.  Additionally, he holds certification as a factory-authorized Startup and Commissioning Agent for Johnson Controls Unitary Products up to 40 tons in capacity.



Jim is very proud to be a member of the best Technical Service team in the HVAC profession; striving to provide the best service to all customers of Value Added Distributors.




Virginia Region

Chris Lockhart - Senior Technical Service Manager - Richmond, VA
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
888-823-4357 Ext 74005

Chris has over 26 years of experience in the HVAC industry, including time as a contractor/owner. He started out as an installation helper and worked his way up through his career to become service manager with a local contractor in the Richmond area. Chris has vast experience in geothermal, residential service, duct design, hydronics in addition to installation of equipment with additional responsibilities over the years with residential and commercial sales. Prior to joining the Virginia Air team Chris worked for a commercial contractor out of the Tidewater area.

Chris enjoys hunting, fishing, shooting sports and being outdoors. He is very excited to join the Virginia Air team and looks forward to providing world class service and technical support to our customer base.

Juan Cardona - Technical Service Manager - Nitro, WV
Email:  This email address is being protected from spambots. You need JavaScript enabled to view it.
888-823-4357 Ext 74007

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Juan has worked in the HVAC industry for 43 years, with his first job being working in the warehouse of a local HVAC supplier in Miami, Florida. He took on increasing responsibility, holding various positions including warehouse manager, parts manager, inside sales and equipment technical service support for contractors. In 1981, Juan relocated to Atlanta, Georgia to fill the position of Technical Service Manager for a distributor covering a territory including the state of Georgia, parts of Alabama, Tennessee, North and South Carolina. He conducted multiple training courses as well as providing technical support to contractors in that area, using his extensive knowledge of applications, service and installation. In 1985 Juan moved to Charleston, WV where in 1987 he started, owned and operated a successful HVAC contracting business.

Don Stanley - Technical Service Manager - Chesapeake, VA
Email:  This email address is being protected from spambots. You need JavaScript enabled to view it.
888-823-4357 Ext 74006

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Don has spent 39 years in the HVAC industry working in residential, light commercial, and commercial service. Starting in 1980 as a service technician, he worked his way up to service manager where his responsibilities included scheduling and supervising the repair and preventive maintenance of HVAC systems. Don also worked as an operations manager, where he oversaw the day to day operations of a family owned HVAC company. 

Don Joined Virginia Air in 2008 and is one of our Geothermal champions. He also specializes in control wiring and feels his troubleshooting is an asset to our customer base. Don is excited to continue with Virginia Air and looks forward to providing technical training and assistance to our customers.

TSM Product Champions
To insure you get support on the product you're working on as fast as possible see the list below. An X indicates that TSM can offer knowledgeable support on that particular product.
Product Line Chris Lockhart

Don Stanley 

Juan Cardona

David Cole

Richard Hilke

Greg Andrews

 Jim Isbell   

York Residential Heat Pumps x x x x  x x x  
York Residential Furnaces x x x x  x x x  
York Commercial Packages up to 25 ton x x x x  x x x  
Millennium Packages x     x  x x x  
York Commercial Splits Systems x x x x  x x x  
York SunPremier 25-50 Ton x     x  x x    
Verasys x     x  x x  
Zoning with Manual Zr and York Communicating Zoning Controls     x          
ClimateMaster / Geostar   x   x   x    
Daikin x x x  x   x x  
Honeywell Thermostats x x x x  x x x  
Honeywell Zoning x   x x  x      
Load Calcs and Duct Design     x x        
ZoneX Zoning Systems       x   x    
Spanish Translation     x          

An independent distributor of York, Virginia Air proudly supports the following major brands: