Class One Cleanrooms is the best Modular Cleanroom contractor in the industry. We manufacture our own Modular Cleanrooms and modular Clean room wall system in our California factory. The leading California Cleanroom Contractor of Modular Cleanrooms since 1976.

Modular Clean rooms

Class 1,000 clean room
Class 1,000 clean room

Modular Cleanroom Design

Modular Cleanrooms classes designed to meet your cleanroom needs.

Class 10 / ISO 4 cleanrooms, Class 100 / ISO 5 cleanrooms, Class 1,000 / ISO 6 cleanrooms, Class 10,000 / ISO 7 cleanrooms, Class 100,000 / ISO 8 expert cleanroom design.

Cleanroom Equipment

HEPA Fan Filter unit
HEPA Fan Filter unit

Clean Room Equipment

Whatever you need for your Cleanroom From Modular cleanroom walls, Hepa filters, Ceiling grid, LED cleanroom flat panel lights or teardrop cleanroom lights we have it.

Cleanroom Classifications Experts

Class 100 Cleanroom
Class 100 Cleanroom

Our Cleanroom Projects

Allergan, Apple, Astropak, Baxter, Boeing, Brookhaven National Lab, Cascade, FDA, IBM, Johnson & Johnson, Lockheed, Medtronic, Medalliance, NIST, Nutrawise, Panasonic, Regeneron, Strukmyer Medical, Taylor Guitars, Terumo, Tocalo, US Navy, US Airforce, Uber, Valex, Youtheory and over 200 major companies.

Cleanroom Design

ISO6
Class 1,000 cleanroom

Cleanroom Consulting

We have guided customers to over 2000 turnkey Modular Cleanrooms. From Class 10 through Class 100,000 cleanrooms. From USP 795, USP 797, USP 800.

Cleanroom Contractor

Class One Cleanroom ceiling grid
Class One Cleanroom ceiling grid

Need A Modular Cleanroom?

Fastest Quotes in the Industry.
Speak with a Cleanroom Expert!
Need Positive Pressure or Negative Pressure Cleanrooms?
Free cleanroom classifications advice.

Call Now 949.589.9008

Nutraceutical Cleanroom

class 100.000 cleanroom
class 100.000 cleanroom

Cleanroom Construction Contractor

Cleanroom trouble shooting.
Cleanroom repairs.

Quality Modular Cleanrooms, Cleanroom Design, Cleanroom Manufacturing, and installation since 1976

Modular Cleanroom

With over 40 years of designing and manufacturing prefabricated cleanrooms also known as   Modular clean rooms, our cleanrooms approach is simple – we will design your cleanroom that meets your requirements and install it fast. Modular Cleanrooms is our only business, We are a California Cleanroom Contractor of cleanrooms utilizing non-progressive modular cleanroom wall system that looks great and performs to meet your exact cleanroom needs. Class One Cleanrooms is the originator of Modular Cleanroom and the negative cleanroom plenum design, which has become the industry standard for the most cost-effective cleanroom. We are the oldest cleanroom contractor in the cleanroom construction industry.

That is why Class One Cleanrooms is your best choice to design and build your cleanroom.

Class One Cleanrooms factory located in Orange County California since 1976 has introduced our all new modular cleanroom with non-progressive 3″ modular cleanroom wall design that allows electrical in every connecting post and both sides accept standard duplex outlets and switches.

Whether you need a standard built Cleanroom or a modular cleanroom we are sure you will love our design.

10 reasons Why Modular Cleanrooms are preferred:

    1. We ask the right questions and have the right answers to meet your cleanroom specifications.
    2. You will talk directly to a Cleanroom expert.
    3. We build the best Cleanroom Modular wall system in the cleanroom industry.
    4. We build our own Fan Filter Units that are low wattage and low sound.
    5. Our approach will fit your process needs.
    6. Our company makes the highest quality gasketed cleanroom ceiling system designed specifically for cleanrooms.
    7. Our non-progressive cleanroom wall system allows for electrical outlets on both sides of each connection post.
    8. Single- source to construct your cleanroom.
    9. You don’t have to know about how to build a cleanroom – you only need to know that Class One Cleanrooms is a company you can trust to build the best Modular cleanroom with the most competitive prices.

Testimonials

“This is the third Cleanroom Paul Varni at Class One Cleanrooms had built us over the last 10 years. We always get the best service and a good price. The FDA said our cleanroom was the best they have seen and approved us for production on their first inspection.” Nutraceutical 15,000 sq. ft., 6700 sq. ft. Class 10,000 ISO 7 Cleanrooms. Darren Rude @ Nutrawise (Youtheory), Irvine California

“We got better than expected at the best price of 4 quotes. We had a very complicated cleanroom and Class One Cleanrooms was the only company to figure out how to build it.” Class 100 ISO 5 1100 sq. ft. Cleanroom. Ernesto @ Valex Ventura.

“We have had Paul Varni build 4 cleanrooms for us now and we will trust no one else to build our cleanrooms. We had others build before using Class One Cleanrooms and we had nothing but trouble with the FDA.” Sterilized Filling Room Class 100 ISO5 Cleanroom. Cecilio @ KC Pharmaceuticals.