What is a walk-in humidor?
A walk-in humidor (cigar room) is a large-format climate-controlled space designed to store significant quantities of cigars and full boxes under perfectly stable humidity and temperature.
Beyond preservation, it offers exceptional visibility, effortless stock organization, and a premium experience—ideal for tobacconists, retail lounges, private clubs, hotels, or dedicated home cigar rooms.
Advantages over cigar cabinets and showcases
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Maximum capacity — extensive shelving for full boxes and loose cigars, organised by brand, format, or rotation.
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Perfect stability — uniform humidity and temperature throughout the entire room.
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Superior presentation — visibility without opening doors, easier browsing for clients, faster restocking.
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Modular scalability — adjustable shelving, trays, display sections, and integrated lighting.
Our approach
At G.P.Grant, we design and build walk-in humidors tailored precisely to the customer’s space, aesthetic, and cigar storage needs.
Each project is engineered for long-term performance and crafted with luxury-grade materials.
Project phase
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Site assessment and measurement.
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3D layout proposal: shelving, doors, lighting, signage.
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Manufacturing of every component in our workshop.
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Delivery, installation, sealing, calibration, and final commissioning.
Materials & Interior Architecture
Spanish Cedar Interior
We line walk-in humidors with premium Spanish cedar (Cedrela odorata) — chosen for its aroma, humidity-regulation properties, and natural protection against tobacco pests.
Insulation & Sealing
Walls, ceilings, and floors receive full insulation and vapor barriers.
Airtight doors (optionally double-glazed) and precision-sealed joints ensure maximum climate stability.
Airflow Engineering
Air circulation is designed with grilles, hidden chambers, and double cedar back panels to guarantee even humidity throughout the entire space.
LED Lighting
Cold, low-heat LEDs with high color rendering ensure safe illumination for cigars. Ambient lighting options elevate presentation and create a refined atmosphere.
Branding & Visual Elements
Lightboxes, brand signage, and interchangeable display panels can be integrated for retail or private environments.
Configurations & Capacity
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Shelves and trays for individual cigars
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Racks for full boxes
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Glass display areas for presentation
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Custom modules based on real stock rotation
A quick estimate: shelf meters × boxes per meter (varies by format).
We design each layout to match the client’s actual inventory.
Humidity & Temperature
Ideal levels:
65–72% relative humidity
16–23°C (optimal 18–20°C / 64–68°F)
Large walk-in humidors are equipped with professional humidification and climate-control systems.
Systems may be connected to the building’s water supply or operate with independent tanks for higher purity and stability.
Humidity is delivered through PVC or stainless-steel ducts, ensuring durability and preventing corrosion.
Maintenance & Best Practices
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Use distilled water; check levels regularly.
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Monitor temperature/RH and clean filters.
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Rotate stock and organize by brand/format.
The Walk-In Humidor Experience
A walk-in humidor is more than a storage room — it is a sensory environment where cedar, light, and design converge to protect and elevate every cigar.
For collectors and professionals alike, it becomes a dedicated space to browse, select, and enjoy cigars at their finest.
Custom Walk-In Humidor Projects
G.P.Grant develops modern, functional walk-in humidors crafted with meticulous workmanship and premium materials.
Tell us about your project, and we will prepare a 3D concept and a tailored quotation.
Start Your Custom Walk-In Humidor Project
Walk-In Humidors by G.P.Grant create a controlled environment for large cigar collections. A professional walk in humidor relies on a precise walk in humidor humidifier and advanced cigar humidification systems for walk-in humidors. We help choose the best humidifier for walk in humidor projects and can build a walk in humidor or fully build walk in humidor solutions for any space.