Bosch · HMB30155UC
Ready to buy
The retained reference is $749 current U.S. direct price. Cabinet work, outlet placement, ventilation clearance, delivery and installation are separate. Have the seller and qualified installer confirm model, cutout, trim, door, ventilation, nameplate, circuit, outlet or junction and accessories before payment.
Current market
Each line carries its own check date because price, software, specifications, and product cycle do not age at the same speed.
Cabinet work, outlet placement, ventilation clearance, delivery and installation are separate. Confirm stock, authorized U.S. support, tax, return terms and exact installation scope.
HMB30155UC is the defended compact baseline when a left-opening door and large turntable fit the cabinet and ordinary microwave work matters more than convection or broiling.
Other paths
These are not generic competitors. Each one represents a different way to buy into the same market.
Thermador
Bosch
What changed
Older observations stay in the ledger when the current view changes. That lets a buyer tell the difference between an old complaint, an active issue, and a problem that was corrected.
300 Series 24-Inch Built-In Microwave Oven was checked against manufacturer identity, exact current U.S. price, installation and support, independent editorial or test-method evidence and bounded owner evidence.
Each amount stays tied to its source and capture date. Conflicting prices remain visible until the seller resolves them.
Current reference priceA structured timeline will begin with the next source capture
Owner experience
Owner evidence is retained as a fit, circuit, cookware, controls, cleaning and service checklist for 300 Series 24-Inch Built-In Microwave Oven, not a performance, leakage, failure or repair rate.
Reports are self-selected and span different cabinets, circuits, installers, cookware, food, modes, cleaning, accounts, firmware, climates and service regions. They cannot prove population speed, evenness, doneness, temperature, leakage, fire, electrical, reliability or repair outcomes.Self-selected exact-model discussions surface cabinet-fit surprises, door clearance, outlet or junction access, turntable and pan fit, control behavior, fan sound, cleaning, app setup, parts and service. Cabinets, circuits, cookware, food, modes, cleaning and service regions differ, so these reports do not establish speed, doneness, temperature, leakage, failure or repair rates.
Choose it after templating the door swing and real dishes, not from nominal 24-inch width or cavity volume alone
1 evidence recordSources
The page separates what a source states directly from what we conclude across sources.
Bosch identifies HMB30155UC as a 24-inch side-opening built-in microwave with a 2.1-cubic-foot cavity, 1,000-watt output and sensor programs. The appliance is 13 5/8 by 24 3/8 by 19 11/16 inches; Bosch publishes a 19 7/8 by 25 7/16 by 23-inch required opening around the complete built-in assembly. The left door swing, trim overlap, outlet outside the air path and removal route must be drawn before cabinetry is released
Exact stainless HMB30155UC on Bosch's current U.S. product record. Cabinet work, outlet placement, ventilation clearance, delivery and installation are separate
Install to the exact 120 V, 60 Hz grounded receptacle, branch protection, outlet position and ventilation instructions. Do not place the cord, plug or outlet where the chassis, trim or hot exhaust can pinch or obstruct it The appliance is 13 5/8 by 24 3/8 by 19 11/16 inches; Bosch publishes a 19 7/8 by 25 7/16 by 23-inch required opening around the complete built-in assembly. The left door swing, trim overlap, outlet outside the air path and removal route must be drawn before cabinetry is released
Bosch publishes exact manuals, parts and servicer routing. Keep the waveguide cover, door seals, latch area, cavity and turntable clean and undamaged; support and warranty do not predict magnetron, control, door or parts life Local controls provide the complete cooking workflow without Wi-Fi or an account. Control lock does not disable the branch circuit or replace supervision
Which? independently tests integrated solo, grill and combination microwaves and separates usable-space, heating, defrosting and ease observations from manufacturer volume and wattage. It does not test this exact U.S. configuration, so it is retained only as method and architecture evidence for HMB30155UC.
Self-selected exact-model discussions surface cabinet-fit surprises, door clearance, outlet or junction access, turntable and pan fit, control behavior, fan sound, cleaning, app setup, parts and service. Cabinets, circuits, cookware, food, modes, cleaning and service regions differ, so these reports do not establish speed, doneness, temperature, leakage, failure or repair rates.
FDA explains the federal microwave-emission standard, redundant interlocks and the instruction to stop using an oven whose door does not close firmly or is bent, warped or otherwise damaged.
USDA guidance covers microwave-safe containers, covering, rotating or stirring, standing time and checking food with a thermometer in several locations because cold spots can remain.
Masterpiece 24-Inch Built-In Microwave is the large-cavity side-hinge microwave platform alternative at $999 current U.S. recommended retail price.
500 Series 24-Inch Speed Oven is the compact multi-mode 120 v plug-in speed-oven platform alternative at $2,149 current U.S. direct price.
Manufacturer identity, exact current U.S. price, exact installation or support material, independent editorial or test-method evidence and bounded owner evidence were checked on August 21, 2026. This market covers complete current U.S.-supported residential built-in microwave, convection-microwave and speed-oven systems. It excludes countertop-only and over-the-range units, trim kits or accessories alone, wall-oven combination stacks already covered elsewhere, unsupported imports, retired or used-only products and duplicates created only by finish, handle or promotion. One drawer system is retained as a materially different undercounter access branch. Preserve exact model, facade width, chassis and cutout dimensions, flush or proud trim, counter or cabinet support, door hinge and swing, handle and aisle projection, ventilation, outlet or junction zone and service extraction; gross and usable cavity, turntable diameter and stoppability, shelf positions, rack, glass or metal tray, crisp or air-fry pan, casserole and handle clearance and planned installation height; microwave output versus electrical input, power levels, inverter or fixed cycling, convection, broil, infrared and speed-combination architecture, shared energy, preheat and every cookware or accessory restriction; sensor type, supported food, portion, starting state and temperature-probe location without treating a preset, humidity sensor, display or probe tip as whole-food measurement; exact 120 V or 120/208-240 V, 60 Hz nameplate, branch protection, plug, receptacle or hardwired junction, conductor, grounding, disconnect and qualified installation; local controls, locks, timers, Wi-Fi, account, household roles, telemetry, privacy, cloud, updates and offline behavior; cavity, waveguide cover, turntable, racks, pans, cooling paths, door glass, seals, latch and interlocks, cleaners and service access; written warranty, magnetron, heating elements, fans, controls, displays, parts, labor, freight and technician geography; microwave leakage and damaged-door stop-use guidance, hot doors, racks, pans, steam and cookware, fire, electrical shock, child access, microwave-safe vessel selection, stirring, standing time and verified food temperature. No wattage, inverter, infrared element, convection fan, broiler, program count, sensor, probe, preset, air-fry label, app, independent test, owner report, warranty or service network guarantees speed, evenness, browning, crispness, doneness, center temperature, reliability, durability, uptime, repair time or any cooking, health or safety outcome.
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