Understanding Smart G4 GRMS: Differences and Budgeting for a 3,800-Room Hotel (USD)
- Smart Industry Home Automation and GRMS

- Nov 30, 2025
- 3 min read
Updated: 1 day ago
A Guide to Guest Room Management Systems Selection and Cost Planning
Introduction
Guest Room Management Systems (GRMS) are essential in contemporary hotels. They enhance guest satisfaction and improve energy efficiency. For a hotel with 3,800 rooms, choosing the right GRMS and planning the budget is crucial. This balance ensures service excellence, sustainability, and financial viability.
What is GRMS?
A Guest Room Management System (GRMS) is an integrated technology that controls room features. These include lighting, air conditioning, curtains, and other guest services. GRMS solutions vary from basic to highly advanced, offering different levels of automation, integration, and analytics.
Types of GRMS
Basic GRMS
Basic GRMS covers fundamental room control. It includes key card-based power activation, simple HVAC, and basic lighting. These systems are budget-friendly but limited in integration and flexibility.
Mid-Range GRMS
Mid-range GRMS introduces scene-based lighting. It also features central monitoring, energy-saving routines, and integration with Property Management Systems (PMS). This option is ideal for hotels that want enhanced control without significant complexity.
Advanced/Smart GRMS
Advanced or Smart GRMS includes full automation. It offers touch or app-based controls, occupancy sensors, Building Management Systems (BMS) integration, and real-time analytics. This option is tailored for luxury hotels seeking a premium guest experience and comprehensive operational efficiency.
Key Differences between GRMS Types
Feature | Basic | Mid-Range | Advanced/Smart |
Power Control | Key card, Bell with Room Number DND/MUR, Chime, Energy Saving | Key card + Bell with Rom Number DND/MUR, occupancy sensors, window terrace sensors | Automated, multi-sensor, smart monitored |
Lighting | Basic On/Off - Cut Off if no occupant | Multiple point Lighting control, scenes, switches. Smart Control | Custom scenes, dimming, color, remote control, touch panels |
HVAC | Manual/Basic, with energy saving power cutoff | Programmable, energy saving | Automated, integrated with BMS |
Integration | Minimal | PMS, limited BMS | Full PMS/BMS integration |
Guest Interface | Bell, DND, Service | Bell, DND, Service, Wall panels | Bell, DND, Service , Touch panels, apps |
Analytics & Reporting | No | Basic | Advanced, real-time |
Cost per Room* | $190–$320 | $380–$640 | $760–$1,520 |
Indicative costs; actual pricing may vary by series selected, region, and project specifics
Budget Estimates for a 3,800-Room Hotel
Budgeting for a hotel of this size involves multiplying per-room costs by the total number of rooms. Additionally, one must account for expenses such as central infrastructure, installation, ongoing maintenance, and system integration.
Basic GRMS
Per room: $190–$320
Total for 3,800 rooms: $722,000 – $1,216,000
Additional (central control, installation according to region): $125,000 – $250,000
Estimated Total Budget: $847,000 – $1,466,000
Mid-Range GRMS
Per room: $380–$640
Total for 3,800 rooms: $1,444,000 – $2,432,000
Additional (control systems, integration according to region): $190,000 – $380,000
Estimated Total Budget: $1,634,000 – $2,812,000
Advanced/Smart GRMS
Per room: $760–$1,520
Total for 3,800 rooms: $2,888,000 – $5,776,000
Additional (advanced integration, analytics, installation according to region): $380,000 – $760,000
Estimated Total Budget: $3,268,000 – $6,536,000
Conclusion
Selecting the right GRMS depends on your hotel's brand positioning and guest expectations. Sustainability goals and available budget also play a role. Basic systems fit budget hotels or those prioritizing cost control. Mid-range solutions balance enhanced features and price. Advanced GRMS is best for luxury properties focused on exceptional guest experience and operational performance. For a 3,800-room hotel, strategic planning is crucial to ensure both value and excellence in implementation.
References
Kindly refer to www.smartG5.com for full information about front end, backend, features, and different series. Also, check the hotel wish list manual.




























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