01 / FILTER LAYER
Pre-filter
Larger dust, hair and lint
CRUSADERS · SINCE 1991
Cleaner Air. Brighter Possibilities.
Air purification for your family. Digital displays, LED walls and audio-visual solutions for your business. Crusaders expertise since 1991.
AIR PURIFICATIONMake room for
Make room for
better air.
Air purifier for all the places… wherever you breathe;
HomesOfficesInstitutions
Explore air purifiers 
DISPLAYS & AUDIO-VISUAL SOLUTIONSDigital displays.
Digital displays.
LED walls.
AV solutions.
Digital standees, indoor and outdoor LED walls, and audio-visual solutions for display and communication.
Digital displaysLED wallsAV solutions
Explore display & AV solutions ONE COMPANY. TWO SPECIALIST SOLUTIONS.
Crusaders brings together air purification, digital display and audio-visual expertise, with experience since 1991.
INSTITUTIONAL EXPERIENCE
Customer references across the years.
AIR PURIFICATION · THE TECHNOLOGY INSIDE
Four filtration layers.
Two treatment technologies.
Understand what is inside the six-stage Crusaders configuration, and the distinct role of each component.
02 / FILTER LAYER
HEPA H14
Fine-particle filtration
03 / FILTER LAYER
Activated carbon
An adsorbent layer for odours and certain gases
04 / FILTER LAYER
Photocatalyst
A TiO₂ layer within the treatment system
05 / TREATMENT TECHNOLOGY
UV treatment
Integrated UV treatment technology
06 / TREATMENT TECHNOLOGY
Plasma ions
Ionisation completes the six-stage configuration
Configuration and features depend on the selected model. Ask our team for its HEPA grade, filter specifications, test documentation and replacement-filter requirements.
Explore six-stage technology ↗Room suitability
Compare room volume, listed airflow and intended use.
Everyday operation
Discuss controls, monitoring and modes available on your chosen model.
Filter continuity
Check replacement-filter availability, cost and maintenance requirements.
DIGITAL DISPLAYS · LED WALLS · AV
Make the message visible.
Make the connection count.
The strongest specification is the one that fits the audience, the environment and the way your space operates.
01 / DIGITAL SIGNAGE
Digital standees.
Bring announcements, information and promotional content into reception, retail and public-facing spaces.
- 4K UHD display and Android operation
- Content-management software and connectivity
- 24×7 operation; optional touch configurations
02 / INDOOR & OUTDOOR
LED walls.
Create a larger canvas for information and presentation, with a display specification suited to the location.
- Pixel pitch and viewing distance
- Brightness and indoor/outdoor suitability
- Mounting, control and service access
03 / PRESENT & COLLABORATE
Audio-visual solutions.
Bring interactive displays, presentation equipment, audio and video conferencing together around your room.
- Interactive panels and presentation displays
- Cameras, microphones and room audio
- Podiums, content sharing and integration
Features and performance are specified for the equipment proposed. Application scenes are illustrative concepts.
SELECTED PROJECT EXPERIENCE
Experience in the places
that matter.
Selected references supplied by Crusaders, spanning institutional air purification and professional display and AV requirements.
01Air purification
Delhi High Court
Air purifier deployment for an institutional environment.
Explore project references ↗02Digital AV
INS INDIA · Indian Navy
Conference-room work involving an LED wall, digital podiums and video conferencing.
Explore project references ↗03Digital AV
MAHAGENCO
Display and control-room solution experience.
Explore project references ↗Government & PSUsDefence & institutionsCorporate & educationHealthcare & homes
CUSTOMER EXPERIENCES
Their words.
Our continuing commitment.
Excerpts from historical institutional reference letters already published by Crusaders. Read the documents behind the words.
We are pleased with the quality and service which your company provides.
The performance & services of these products are quite satisfactory.
We are satisfied with the servicing which company is providing
These letters record customers’ experiences with products and service at the time. They are customer references, rather than laboratory or product certifications.
OUR STORY · SINCE 1991
Built on experience.
Focused on relationships.
Established in 1991, Crusaders Technologies India Private Limited brings longstanding experience to institutional and everyday technology requirements. Air purification became part of our journey in 2004; our display and AV offering supports the way organisations present, inform and connect.
Customer satisfaction is at the heart of how we aim to grow. Our commitment is to understand the application, provide clear product information and discuss support beyond the initial purchase. From a home purifier to an institutional project, we focus on choosing equipment around the environment and the people who use it.
Read the Crusaders story ↗1991Crusaders established
2004Air purification introduced
TodayAir purification, digital displays & AV solutions
THE COMMITMENT BEHIND THE PRODUCT
Confidence before purchase.
Clarity after it.
A useful recommendation includes the product, the specification and the ongoing requirements. Here is what to discuss with our team.
The right fit.
Room dimensions, application, quantity and budget guide the conversation.
Clear specifications.
Confirm configuration, features, scope and available technical documentation.
Defined warranty.
Review the warranty, installation responsibilities and service terms for the proposed equipment.
Ongoing support.
Discuss replacement filters, maintenance and service options for your model and location.
A LITTLE GUIDANCE
Start with the right questions.
Which air purifier should I choose?
Share room area, ceiling height and typical usage. Our team can help you compare listed airflow, filtration, controls and replacement-filter requirements. Start with the purifier range.
What information helps with a display or AV quotation?
Location, viewing distance, display dimensions, intended content, seating layout, existing equipment, budget and timeline help us understand your requirement.
Can I discuss institutional or bulk requirements?
Yes. Share the quantity, locations, specification and delivery schedule so our team can discuss a quotation for your requirement.
LET’S FIND YOUR SOLUTION
Your space. Your requirements.
Our next conversation.
Choose where to begin, or call our New Delhi team on +91 99584 92349.
Room and application scenes are illustrative concepts, rather than photographs of actual installations. Model and project details can be discussed with our team.