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Thank you for your request!

Please describe each product you wish to purchase to receive the best price and information within one business day. For wholesalers, please call or email us with your tax-exempt certificate. Upon completion, we will contact you via email.

Too much? Try calling us at:
1.800.328.0142 or email us your order at:
orders@comstarproducts.com.

Thank you again for your patience and business.

From, the ComStar Family

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YOUR FIRST PURCHASE!
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Dear Customer,

We appreciate your interest in ComStar's effective and innovative products.

Please note that the item you have placed in your cart is considered a hazardous product and cannot be returned unless the receiver has a hazmat shipping license. Most hazardous materials may not be returned by mail.

Please confirm before adding to cart

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Dear Valued Customer,

We appreciate your interest in our innovative products. As of January 1, 2018, The U.S. Environmental Protection Agency (EPA) requires buyers of regulated refrigerants containing CFCs, HFCs or HFOs to be certified technicians or registered wholesalers.

For TECHNICIAN

  1. Please complete a short form online and
  2. Upload your license (Section 608 Technician Certification).

For WHOLESALER

  1. Please fill out an online application,
  2. Upload your company's tax-exempt form,
  3. Provide Section 608 certified technician's license of an employee, associated contractor, or proof of authorization to accept and store refrigerants.

You will be notified via email once approved (usually within two business days) that you may purchase refrigerants.

Thank you!

Comstar International Inc.

Refrigerant Purchase Certification Form

REGISTER AS A LICENSED TECHNICIAN REGISTER AS A WHOLESALER
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Products of the Month

September 2026 | For Heating, Plumbing, Air Conditioning & Refrigeration

Check out all our scale, lime and sediment removal products

Eleven descalers and cleaners for water towers, cooling towers, boiler coils, tankless heaters and ice machines. Buy any combination this month and the discount applies to the whole order.

Offer ends September 30, 2026

Delivery before October 15, 2026

Buy any "Product of the Month" combination and receive:

10% off on a $2,500 net order after discount
15% off on a $2,800 net order after discount

Free freight on orders over $2,500 net, after discount (region 1).

Plate HX Saver
NEW PRODUCT

Plate HX Saver

Lime & Scale Remover for Plate Heat Exchangers

Newly formulated, ultra safe cleaning solution designed specifically to remove lime & mineral deposits, scale, and other impurities from all non-porous surfaces.

REQUEST A QUOTE SAFETY DATA SHEET

Furnace Cements

View All
40-355

simple

Furnace Cement, Refractory/Retort Cement

From $6.27
From $6.27

Sealants & Degreasers

View All
55-121

simple

Super Grease Cutter, HD Mechanical Degreaser

From $14.57
From $14.57
Grease Away, HD Degreaser

simple

Grease Away, HD Degreaser

From $11.30
From $11.30
Super Fantastic Foam, Water Rinse Degreaser

simple

Super Fantastic Foam, Water Rinse Degreaser

From $11.13
From $11.13
Foamy Clean, No Rinse Coil Cleaner, 16 Ounces Aerosol

simple

Foamy Clean, No Rinse Coil Cleaner, 16 Ounces Aerosol

$10.77
$10.77
Metal Epoxy, Patch and Repair Epoxy Filler, 25 Milliliters

simple

Metal Epoxy, Patch and Repair Epoxy Filler, 25 Milliliters

$13.36
$13.36
10-800

simple

Copper Lock, No Heat Solder

From $10.98
From $10.98