HMD Change Technology offers music lessons and technology support. Originally started in the winter of 2002 and became an LLC in the summer of 2005.

• Walz Guitar
Learn about guitar lessons in the West County St. Louis, Missouri area.

• The Teacher Advantage
Create and share high quality teaching materials. As an online word processor, use various templates, methodology keywords, and automatic GLE analysis. Share with colleagues and community.

• HVAC Answer
HVAC software with over 1500 searchable solutions from the field as well as the ability to record your own solutions. Best suited for contractors and shop personnel who troubleshoot. Get answers to stubborn HVAC problems.

We look forward to hearing from you! Located in suburban St. Louis, Missouri, the company address is:

HMD Change Technology LLC
153 Shaw Drive
Eureka, MO 63025

Kyle Walz (view resume) leads systems development and educational products and services.

Phone: (314) 225-5272 is our company phone number.

Please use info@hmdproducts.com and a solutions expert will reply.