Quality Certificates

Algas-SDI designs innovative gas vaporization and gas-gas blending solutions for a variety of fuels. Our products improve the reliability and productivity of users around the world. We hold ISO 9001 Registration and internationally recognized product certifications or approvals including FM, UL, CSA, CE, ATEX, IECEx, DEMKO, PED and others.

Algas-SDI has developed and manufactures a complete line of liquefied gas vaporizers and heaters. We’ve also adapted vaporization technology from some of our many legacy products to serve the growing CNG and LNG transportable fuel markets. Our innovative design approach provides smaller footprints and enhanced, energy efficiency and greater reliability than conventional designs.

Algas-SDI is a worldwide organization with subsidiaries and distributors in more than 80 countries. Our headquarters are located in Kent, Washington, with manufacturing located in Queretaro, Mexico. Our Denmark sales office serves Europe and the Middle East.

Algas-SDI Quality Certificates

Search Site

Looking for something? Search the Algas-SDI website.

Contact Us

Have a question? Need support? Please get in touch!

Corporate Information

OUR AIM: The innovative application of reliable clean-energy systems for commercial, industrial and utility customers.

About Algas-SDI
Our company mission & history

View opportunities to join the team

Quality Certificates
ISO 9001 Registration, product certifications & approvals

Quality Policy and Values
Our commitment to superior service & products

Current patents & patent applications


Algas-SDI We make transportable fuel gases easier to use.

Combustion Products
Complete burners and replacement parts available for quick delivery

LP-Gas Products
Safe, Simple, & Reliable
LPG Vaporizers & Tank Heaters

Gas Systems
Complete natural gas backup, replacement, & off-grid decompression systems

Resources & Learning

You've got questions. We've got answers.

Vaporizer FAQs
Answers to frequently asked questions about vaporizers

Why use a Vaporizer
An intro to vaporization science & function

Case Studies
Field applications using Algas-SDI equipment

What is Propane Air
An intro to the science & use of propane air

Virtual Pipeline/CNG Learning Center
An intro to the science & use of compressed natural gas and virtual pipelines

Product Videos
Watch & learn from our product demos

Common terms in the fuel gas product and systems industry

Product Directory & Information
Product brochures, manuals, drawings, and spec sheets

Contact Us

Get In Touch. We're always happy to help.

If you have any questions about our services, products or company, please give us a call or send us an email.

Global Support Center

Tel: +1.206.762.HELP (4357)
After Hours: +1.206.892.8594

US Headquarters

Call Us: +1.206.789.5410

Contact Us

General Questions