At APR Supply Co., we pride ourselves in providing the best service for our customers, from before you purchase, through your installation and service. This includes the technical support you may need in servicing the products. Our goal is to provide you with the assistance you need to better serve your customers. We have a network of experienced and certified technical service advisers (TSA) who specialized in a variety of fields including HVAC, plumbing, controls, and more. We strongly urge you to reach out and contact any one of our technical service experts for assistance with your projects.

Contractors today are eager to resolve issues quickly to help their customers through the resolution of the problem. The APR TSAs are here to assist them in this need.

Eddie Howell, TSA Group Advisor


AC Superheat & Sub-cooling

Gas Pipe Sizing for Iron Pipe

Questions on Gas Furnaces & Gas Boilers

Venting Do Nots

Check Firing Rate

Proper Temp on Split Furnaces

Water Coil Low Ambient Kit

Sizing Air Supply for Combustion & Ventilation


Mark Elmer

Technical Service & Training Manager
Former Residential HVAC contractor. 5 NATE certifications, Maryland and Delaware master HVACR license. Specializes in Troubleshooting hydronics, oil and gas boilers, Geothermal systems, Air conditioning and heat pumps.

Eddie Howell

Technical Service Advisor
Nortek TSA, NATE Certified in 4 disciplines (A/C, HP, Gas Furnace, Oil and Gas Hydronics), RSES Member, OESP Local Chapter, Trainer at NAOSHM 2011, HVAC and Plumbing Instructor Training 2007-Current.
274.5999 ext 4177

Steve Howell

Technical Service Advisor
Specializes in Control Wiring, Heating, Air Conditioning, Boiler Controls, Gas Pipe Lines, Radiant Heating, circulators, Nordyne, Manual J Calculations, and Duct Design.
274.5999 ext 1057