ComStar International Inc.

Environmentally Safe, Industrial Strength Chemicals Providing Solutions for over 44 Years.

Environmentally Safe, Industrial Strength Chemicals
Providing Solutions for over 44 Years.

ComStar International Inc. is the most comprehensive manufacturer of environmentally safe, industrial strength chemical products in the world.  

Unlike our competitors who may specialize in just one product line, ComStar has been a leader in developing, manufacturing and marketing over 300 specialty products designed specifically for the trade professional for over 40 years.  

Distributed both domestically and abroad through a select network of wholesalers and distributors, ComStar offers products to the heating, ventilation, air conditioning, and refrigeration (HVACR), plumbing, transportation, indoor air quality (IAQ), building maintenance and construction industries. 

Whether you need one product or an entire private label line, we pride ourselves in continuing to develop innovative, unique solutions for all your chemical needs.

40% Off RS-44 & RS-45 Refrigerants!

Use COUPON CODE: summerblowoutOrder now. We have professionals waiting to take your order.


Best drop-in R22 Replacement

The Proven R22 Replacements. Used in Europe for over 10 years.  Capacity & COP Equal to R22 Operates at Lower Pressure. True Drop-in Replacement for R-22 with no oil changes. If you are replacing RS-44, no system changes required.


Made in the USA

RS-24 New Zero ODP Drop-in replacement for R12's.

RS-44 New Zero ODP Drop-in replacement for R22.

RS-45 R22 replacement in OEM & retrofit applications.

RS-52 R22 & R502 replacement at low temperatures.


RSL is pleased to offer an iPhone application for the RS series of refrigerant products. Scan or click QR code to download.


Copyright © 2014 ComStar International Inc.