Your Full Service Distributor of Plumbing, HVAC and Hydronics supplies
37 Locations throughout Pennsylvania, New York, New Jersey and now Delaware!

Technical Support

"To successfully distribute technical equipment product, price and people make up the value of a trade partner. Having a quality product at a fair price is expected. Having quality people to assist in application, installation, maintenance and trouble shooting is the exception.  APR Supply has invested heavily in factory training quality individuals. Their wide foot print makes them a  natural extension of our technical service departments.  We are pleased to partner with APR Supply and grateful for their commitment to support the products they distribute."

Dennis Stinson
HVAC Department Manager
Harry Eklof & Associates


  Troubleshooting A/C Superheat, Sub-cooling & Delta T

  Gas Pipe Sizing for Iron Pipe

  Water Blowing Off Horizontal Coil?

  Proper Temperature Split on Furnaces (DeltaT) Airflow Calculations

  Low Ambient Kit (What & How)

  Checking Firing Rate (Clocking Meter)

  Venting DO NOTS

  Sizing for Air Supply Combustion/Ventilation

  Questions on Gas Furnaces & Gas Boilers when you call APR

   Installing the Aker KDS Series

Need A/C or Heat Pump troubleshooting assistance?

Download our Refrigerant Flow Chart and complete when contacting the APR Technical Support team for A/C or Heat Pump troubleshooting assistance. This form can be filled out electronically then printed or emailed to the TSA you are working with.

 Downloadable Refrigerant Flow Chart

APR SUPPLY CO. As a third-generation, family-owned Plumbing and HVAC wholesale distributor we understand small business. We are headquartered in Lebanon, Pennsylvania with branch locations around Pennsylvania, New York and New Jersey. We live here, we raise our families here and we do business here.

We are not as large as national wholesalers and we consider that one of our greatest strengths. We understand your business. Scott Weaver, President and CEO of APR Supply, has nurtured a customer-focused culture that has been instrumental to our success.. We are comfortable with continual change and want to help your company grown and succeed as ours grows and succeeds.

COMPETITIVE ADVANTAGE: We know this market and our business. We are nimble enough to make quick decisions for you, allowing your business to succeed by partnering with us.

Watch our own TSA Trainer Eddie Howell describe SuperHeat and SubCooling! For more videos and updates on APR Supply Co, subscribe to our YouTube Channel and Like Us on Facebook!

Click TSA Flier
 for the TSA Linecard.

Meet our TSA (Technical Service Advisor) Team:

Mark Elmer (Technical Service & Training Manager - 31 Years Industry – 3 Years APR Supply)


  • 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.
  • Contact Mark at or 717-277-1027

Eddie Howell (40 years Industry, 18 years at Losch Plumbing and Heating, 24 APR years)

  • APR TSA Training Manager, 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.
  • Contact him at or 717-274-5999 ext 1018

Steve Howell (24 years Industry, 10 years at Losch Plumbing and Heating and Schuylkill Sales, 14 APR years)

  • Specializes in Control Wiring, Heating, Air Conditioning, Boiler Controls, Gas Pipe Lines, Radiant Heating, Circulators, Nordyne, Manual J Calculations, Duct Design
  • Contact him at or 717-274-5999 ext 4177

Mike Brenner (7 years Industry, 4 APR years)

  • Graduate of YTI HVAC program
  • Specializes in:  Air Conditioning, Heat Pumps, Gas Furnaces, Control Wiring, Gas Piping, Radiant Heating, Duct Design, Oil Burner Controls, Oil Burner Troubleshooting, 

Bill Myers (19 years Industry, 15 years former HVAC Tech at Snedeker Oil, 4 APR years)

  • NORA National Oil Heat Research Alliance Gold Certification, HARDI Counter Certification
  • Specializes in: Oil Burner Troubleshooting, Duct Sizing, Gas Piping Sizing, Oil Burner Controls, Line and Low Voltage Control Wiring
  • Contact him at or 717-274-5999 ext 4127 

Jeff Andrews (18 years Industry, 5 APR years)

  • Specializes in: Boiler Controls, Gas Pipe Lines, Radiant Heating, Circulators, Nordyne, Manual J Calculations, Duct Design
  • Contact him at or 717-274-5999 ext 4079

Ken Kramer (27 years Industry, 1 APR years)

  • Specializes in: Heating, Air Conditioning, American Standard HVAC, Low Voltage Controls, Gas Piping, Manual J Calculations, Design Build, Energy Auditing, Plumbing and Hydronics
  • Contact him at or 717-274-5999 ext 4602