Is My Credit Card Safe?


Comtech Research Air Purifiers and negative ionizers
Comtech Research
Your Source for
Indoor Air Quality Safe Shopping Guarantee

Ordering on-line from Comtech Research on is safe and fast. We Guarantee It. This means that you will be liable for $0.00 if unauthorized transactions are made to your credit card as a result of shopping at

Under U.S. laws, your bank can not hold you liable for more than $50.00 of fraudulent charges (under most circumstances). If your bank does hold you liable (and our experience tells us there's not a bank with the guts to charge a customer this fee, unless the customer is using the card fraudulently) for any of this $50.00, Comtech Research LLC  will pay the entire liability for you, up to the full $50.00. Comtech Research LLC will only cover this liability if the unauthorized use of your credit card resulted through no fault of your own from purchases made at while using our secure on-line order system.

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 Why is safe?

When you shop with us here, you will be one of thousands of customers that have shopped safely with Comtech Research with NO credit card fraud.


It is safe to shop at and any site that utilizes SSL (Secure Socket Layer) technology. SSL is the best software available today for secure commerce transactions. It encrypts all of your personal information including credit card number, name, and address, so that it cannot be read as the information travels over the Internet.

Better Business Bureau
Comtech Research, LLC, Air Purifying & Cleaning Systems & Equipment, South Greenfield, MO
Safe Shopping Site

Comtech Research is also a member in good standing with the Better Business Bureau.

Click the BBB icon to the left to check our outstanding record. We have never had a complaint filed with the BBB.

About our company | Warranties


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How will I know the transaction is secure?

When it's time to enter your personal information, such as name, address and credit card number, the page will automatically change from unsecure, to "SECURE". The way you can confirm the page is secure, is:

Our site only needs to go secure for the one page when it's collecting your credit card info - so don't worry if you don't see the lock until that time. This is the only page that requires SSL.

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Digital Certificate

This site ( has been issued a Digital Certificate. A Certificate company researches a company's background thoroughly prior to issuing the Digital Certificate. The company must also prove that it provides SSL technology to secure its transactions. You can verify the certificate matches with our site and company name by viewing it from your web browser options or by clicking on the "lock" icon.

SSL Secure Server
This site uses 128-bit secure encryption to protect information you send us when ordering or signing in. Our secure digital certificate is provided by GeoTrust
Protects your data

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Will my personal information be passed on to others?

NO. We will NEVER pass your personal information on to third parties. Please see our Privacy Policy for more information.

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