Blue Air BBB90-4S-HC 90" Three-Section Solid Door Back Bar Cooler, 31.6 cu. ft. Stainless Steel
Blue Air BBB90-4S-HC — 90" Three-Section Back Bar Cooler with Solid Doors
The Blue Air Commercial Refrigeration BBB90-4S-HC is the widest cabinet in the brand's solid-door back bar line — 90-3/8" of stainless steel front holding 31.6 cu. ft. behind three locking solid doors on six adjustable shelves. What makes it worth the wall space is the ratio: three separate sections, but a single 3/8 HP side-mounted R-290 system drawing 3.5 amps from one 115 V outlet, so the largest cabinet in the family costs no more to plug in than the 59" and 69" models. It holds 33 °F to 39 °F and breathes from the front, which means it can be built into millwork with no rear air gap.
Key Features of the BBB90-4S-HC
At 90 inches this is a piece of bar millwork as much as a refrigerator, so the things that decide whether it works are section layout, how it breathes, and what it costs to run across that much cabinet.
Three Sections Across 90-3/8" — the Largest BBB Cabinet
Blue Air's solid-door back bar range runs 23-3/8", 59", 69-1/8" and this 90-3/8" model, and the BBB90-4S-HC is the only one built as three sections. That gives 31.6 cu. ft. against 23.4 in the 69" cabinet — roughly a third more storage — while keeping the same 27-1/8" depth and 37" height, so it drops into an existing back bar profile and simply runs longer.
Three Locking Solid Doors, Not Four
The "4" in BBB90-4S-HC is a series marker, not a door count. Blue Air's published configuration for this cabinet is three insulated solid doors, each with a black recessed handle and a standard lock, over six adjustable shelves — two per section. Solid doors mean no radiant heat load through glazing and nothing on display, which is what you want when the cabinet is backup stock rather than a merchandiser.
Six Adjustable Shelves and Tall-Boy Interior Height
Each of the three sections carries two adjustable shelves, so you get six in total and can set the spacing section by section — bottles in one bay, kegs of mixer or case goods in another. Blue Air sizes the interior height so three 16 oz "tall boy" cans stack on a shelf, which is what turns a 90" cabinet into a genuine case-storage cooler instead of a single-layer bottle shelf.
One 3/8 HP System, One 115 V Circuit
The whole 90-3/8" cabinet runs off a single 3/8 HP self-contained condensing unit pulling 3.5 amps at 115 V, 60 Hz, single phase, through a molded NEMA 5-15P plug. That is exactly the same electrical draw as the 59" and 69" cabinets in the family, so the widest unit in the line does not force a dedicated circuit upgrade or a second receptacle behind the bar.
Side-Mounted, Front-Breathing, on a Sliding Deck
The condensing unit sits at the side of the cabinet and takes its air from the front, so a 90" cabinet can be closed in on three sides without choking the condenser. It also rides on a sliding deck, which lets a technician draw the whole refrigeration assembly out for cleaning or service without pulling a 309 lb cabinet away from the bar.
Hot-Gas Frame Heating and Automatic Defrost
Across three door openings there is a lot of frame to sweat on a humid night, so Blue Air routes hot discharge gas through the cabinet frame instead of fitting an electric anti-condensate heater. It keeps the mullions and gaskets dry using heat the system has already produced, and the cabinet defrosts automatically while holding its 33 °F to 39 °F band.
Planning the opening: the BBB90-4S-HC needs 90-3/8" of clear run, 27-1/8" of depth and 37" of height as supplied, and it lands at 309 lbs net, 342 lbs crated — plan the delivery path and any doorways around that before it arrives. Because the compressor is front-breathing you do not have to leave a rear or side air gap; the only surface that must stay clear is the front grille, so avoid burying it behind a kick panel or a stack of cases. Optional 6" legs are available if you want the cabinet lifted for floor cleaning, and they will add to the finished height.
Ideal Applications
Ninety inches of refrigerated back bar is bought where volume, not footprint, is the constraint.
BBB90-4S-HC Specifications
| Model | BBB90-4S-HC |
|---|---|
| Type | Back bar cooler, three-section, solid doors |
| Refrigerated Capacity | 31.6 cu. ft. |
| Doors | 3 locking solid doors, black recessed handles |
| Shelves | 6 adjustable (2 per section) |
| Width | 90-3/8" (2295 mm) |
| Depth | 27-1/8" (688 mm) |
| Height | 37" (940 mm) |
| Exterior | Stainless steel with stainless steel top |
| Interior | Galvanized steel with stainless steel floor |
| Insulation | High-density foamed-in-place polyurethane |
| Temperature Range | 33 °F to 39 °F |
| Refrigerant | R-290 hydrocarbon |
| Refrigeration | Side-mounted, front-breathing, self-contained, sliding condensing unit |
| Evaporator | Epoxy coated |
| Defrost | Automatic |
| Lighting | Interior LED |
| Horsepower | 3/8 HP |
| Electrical | 115 V / 60 Hz / 1 ph, 3.5 amps |
| Plug | Cord with NEMA 5-15P |
| Net Weight | 309 lbs (140 kg) |
| Shipping Weight | 342 lbs (155 kg) |
| Certifications | UL, cUL, ETL-Sanitation; NSF/ANSI 7 compliant |
Frequently Asked Questions
Does the BBB90-4S-HC have four doors, since the model number contains a 4?
No — it has three. In this Blue Air series the digit is a series marker rather than a door count, and the same trap catches the glass-door version. Blue Air's own configuration for the BBB90-4S-HC is three locking solid doors across three sections, with six adjustable shelves at two per section. Count the sections from the specification, not the model code.
How much more does it hold than the 69" BBB cabinet?
The BBB90-4S-HC is rated at 31.6 cu. ft. against 23.4 cu. ft. for the two-door BBB69-3S-HC, so it gives you about a third more refrigerated volume and two extra shelves. It gains that in width only — depth stays 27-1/8" and height stays 37" across both cabinets, so the two can sit side by side in the same back bar run without a step in the top line.
Does a cabinet this wide need a special electrical circuit?
No. Despite being the largest cabinet in the range, the BBB90-4S-HC runs on a single 3/8 HP condensing unit drawing 3.5 amps at 115 V, 60 Hz, single phase, and it arrives with a cord and molded NEMA 5-15P plug. That is a standard bar receptacle, and the same draw as the 59" and 69" cabinets — check only that the outlet is on a circuit that is not already loaded with other equipment.
Can it be built into millwork with no space behind it?
Yes. The condensing unit is side-mounted and front-breathing, so it draws and discharges air at the front grille rather than through the back or sides. That lets a 90-3/8" cabinet be enclosed within a bar structure without a rear air gap. The one requirement is that the front grille stays unobstructed — do not conceal it behind a kick panel or block it with stacked cases.
Why does the interior have LED lighting if the doors are solid?
The interior LED lighting on the BBB90-4S-HC is there for the staff, not for display. With three solid doors and no glazing, a bartender reaching into a dark 90" cabinet mid-service would otherwise be working blind; the LEDs light each section as it is opened. LEDs also add almost no heat load compared with fluorescent tubes, which matters in a cabinet holding 33 °F to 39 °F.
How does it handle condensation on the door frames?
Blue Air uses a hot-gas frame heating system, routing hot discharge gas from the refrigeration circuit through the cabinet frame rather than fitting a separate electric anti-sweat heater. Across three door openings that keeps the mullions and gaskets dry on humid nights while reusing heat the system has already generated, which is why the cabinet draws no more current than the smaller models. Defrost is automatic.
| Brand | Blue Air Commercial Refrigeration |
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| SKU | BBB90-4S-HC |
| Brand | Blue Air Commercial Refrigeration |
| Weight | 342.00 lbs |
| Dimensions (HxWxD) | 37.00 x 90.38 x 27.13 inches |
| Height | 37.00 |
| Width | 90.38 |
| Depth | 27.13 |
| Door Type | solid door(s) |
| Depth (front - back) | 27 - 32 inches |
| Refrigeration Location | self-contained, side mounted |
| Door Swing | swing door(s) |
| Top Finish | stainless steel top |
| Door Qty | 3 doors |
| Width (side - side) | 73 - 96 inches |
| Exterior Finish | stainless steel exterior |
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