Go to fullsize imageE. W. Leonard, Inc. is dedicated to continuing education within our industry. For the convenience of our wholesale customers and plumbing and heating contractors within New England, we are available to train at your location or association meetings. Many of our courses provide continuing education credit. The following are a few of the recent training sessions we have facilitated:


Class Title: Presented to: Location:
There’s More to Combustion than Just Pipe. Mechanical Contractors Association of New Hampshire. Hampton, NH
Intro to Gas Absorption Heat Pumps and Chillers. New Hampshire Oil Heat Service Managers Association. New Hampshire Technical Institute, Manchester, NH
Venting High Efficiency, Condensing Equipment. Charles Burnham Heating Service Company. Freeport, ME
Gas Absorption Heat Pumps and Chillers Propane Gas Association of New England. Marlborough, MA
Safety in Venting High Efficiency Equipment Massachusetts Plumbing, Heating & Cooling Assoc. Middleboro, MA
Pump System Design & Build Pump Contractors. Moodus, CT

Call us at 860-873-8691 or email to request a training session.


For your convenience, E.W. Leonard has compiled the following popular training resources for each of our product lines: 

How do you vent?

Centrotherm FAQ

Unit Heater Service Diagnosis  

Effinity Payback Calculator

Build a Valve


Modine Heat Loss Calculator

Greenhouse Unit Heaters FAQ



Noritz Tankless Basic Installation – Part 1

Gas Absorption Heat Pump FAQ


Thermo Rotation FAQ


Ventilation Needs Calculator


HBX Training & Archive

FAQ on Regulators, Filters and Lubricators



  Code Classroom - Is PVC an acceptable vent material for flue gases?
  Venting Guide - What contractors must consider when selecting a vent system for a gas-fired boiler or other heating appliance.
  Modine Service Diagnosis Guide




E. W. Leonard, Inc. was founded in 1958 by Elmer Leonard. His integrity and entrepreneurial spirit are the foundation of our company today. He believed a successful company was made up of three elements: quality products, experienced personnel, and financial strength. We are proud to continue his legacy with excellence in all three areas.   Read More


With over 90 years combined experience, our inside customer and technical service department is actively involved with responding to application and service inquiries, quoting materials, coordinating sales with our customers and manufacturers, and processing orders.    Read More


Ray Palmer Road
P.O. Box 371
Moodus, CT 06469
Phone: (860) 873-8691
FAX: (860) 873-8693

                                            E.W. Leonard Inc. Plumbing & Heating Manufacturer's Representative Agency
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