De’longhi Coffee Grinder Kg79 Review: Honest Verdict

Short answer: The De’Longhi Coffee Grinder KG79 can be a reasonable entry-level option for U.S. home coffee drinkers who want a compact, budget-friendly grinder for drip coffee and manual brew methods—provided you verify the exact model specifications (burr type, grind settings, and dose control) before buying. This review explains what to check, how to test performance at home, likely strengths and limits, and whether it fits your routine.

Essential context: what this review covers and research limits

This article helps a U.S. shopper decide whether the De’Longhi KG79 fits their needs. It covers what features matter for grind quality, how to test a specific unit, maintenance and troubleshooting, decision trade-offs versus alternatives, and practical next steps for purchase or return.

Important research note: I could not access live product pages, user reviews, or recent lab tests while preparing this text. Where the KG79’s exact factory specs or published tests are required, I note that and give a verification checklist you can use. Treat specific model details (grind mechanism, number of settings, warranty terms) as items to confirm on De’Longhi’s U.S. site or the retailer’s product page before purchase.

What to know first: grinder type and why it matters

Answer: The most important single fact for performance is whether the KG79 uses burrs (conical or flat) or a blade. Burr grinders give consistent particle size and are required for reliable espresso and better extraction for drip. Blade grinders cut beans inconsistently and are mainly suitable for coarse brew or convenience uses.

What to check on the product page or box:

• Is it described as a “burr grinder” or “blade grinder”?
• If burr, what material (stainless steel, ceramic) and burr style (conical, flat)?
• How many grind settings are listed and are they stepped (click stops) or infinite (stepless)?
• Is there a dosing feature (measured cups or time-based dosing) and a removable grounds container?

Why this matters for the U.S. coffee market:

• Many U.S. consumers brew with drip machines, pour-over, and espresso machines; a burr grinder is the most versatile across these methods.
• Portability, countertop footprint, and noise are practical concerns in American apartments and small kitchens.
• Value comparisons should include warranty, replacement burr availability, and accessory compatibility.

How to evaluate the KG79 at home (step-by-step testing method)

Start with prerequisites:

• Fresh, room-temperature whole coffee beans roasted within the last 3–6 weeks.
• A small kitchen scale (0.1 g resolution if possible).
• A brew method to test (drip basket, Chemex/pour-over, or espresso machine).
• A cup for sensory checks and a stopwatch or phone.

Step-by-step tests to run (fast, repeatable):

1. Inspect the unit and packaging.
   • Check that the hopper closes, the lid fits, and the chute is unobstructed.
   • Confirm model number and serial sticker match the retailer listing.
2. Test basic operation (safety first: unplug for cleaning).
   • Run the grinder empty for a few seconds to hear motor noise and check vibration.
3. Measure coarse and fine settings.
   • Select the coarsest setting; grind 20 g of beans and observe particle uniformity visually and by touch.
   • Repeat at medium and the finest setting the grinder provides.
4. Weigh output consistency.
   • For a 20 g input, confirm ground output weight (should be close to 20 g — losses are small).
   • Time a single-dose grind to establish grind speed.
5. Brew and taste.
   • Brew a standard 1:16 ratio (20 g coffee to 320 g water) for drip or pour-over; taste for bitterness, sourness, and clarity.
   • If testing for espresso, use recommended espresso dose and check extraction time and crema.
6. Noise and heat check.
   • Record noise qualitatively (quiet / noticeable / loud enough to need earbuds).
   • After 30 seconds of continuous grinding, touch the hopper base or burr housing (careful) to check excessive heat that could affect flavor.

Signs of success:

• Visually uniform grind at medium and coarse settings.
• Predictable extraction: balanced cup for drip, reasonable extraction time for espresso.
• No burnt or metallic odors from the motor during normal use.

If the process fails:

• Large fines or dust at coarse settings suggest worn/cheap burrs or poor burr alignment.
• Excessive heat or off-odors require stopping and contacting support or returning the unit.
• Inconsistent dosing may be user-adjustable (re-seat hopper) or a mechanical fault.

Key performance variables, expected behavior, and decision table

What to measure and why:

• Grind consistency: affects extraction evenness and flavor clarity.
• Grind range and repeatability: determines whether the grinder supports espresso and/or coarse methods.
• Dose control: affects convenience and dosing accuracy.
• Motor speed and noise: influences heat generation and household comfort.
• Build quality and service: longevity, burr replacement, warranty.

Decision table: who should pick the KG79 (generalized)

• You should consider it if:

  • You want a compact, entry-level grinder for daily drip or pour-over.
  • You prefer a lower-cost unit and are willing to accept limits on espresso-grade precision.
  • You value a small footprint and simple controls.

• Choose a different grinder if:

  • You demand true espresso-level consistency (look for high-quality conical/flat burrs, stepless micrometric adjustment).
  • You need high throughput for large households or frequent café-style output.
  • You need low-noise operation in shared living situations.

Examples:

• Home drip drinker (1–2 cups/day): A KG79-like entry model can deliver good flavor when set correctly.
• Espresso enthusiast: Consider higher-end burr grinders with explicit espresso settings and finer stepless adjustment.

Maintenance, common problems, and safe troubleshooting

Quick maintenance steps (weekly to monthly):

• Weekly: Empty stale grounds and wipe hopper lid; run a short grind of beans to clear residues.
• Monthly: Remove and brush burrs if accessible (follow owner manual for disassembly).
• Every 6–12 months: Replace burrs if you notice reduced performance (confirm replacement parts for KG79).

Common problems and ordered checks:

1. Weak or uneven grind output

   • Cause: incorrect setting, clogged chute, or dull burrs.
   • Check: Clear chute, try different beans, inspect burr edges, reset settings.

2. Grinder not starting or cutting out

   • Cause: overloaded motor, thermal cutoff, or electrical fault.
   • Check: Let motor cool, reduce batch size, ensure correct outlet voltage, consult manual.

3. Excessive fines and dust

   • Cause: worn burrs or incorrect burr type for grind range.
   • Check: Visual burr inspection and comparison to replacement parts; test with coarse settings.

Safety boundaries:

• Unplug before disassembling or cleaning.
• Do not immerse motor housing in water.
• Use manufacturer-approved parts only; improper parts can create safety hazards.

If the unit exhibits persistent electrical smells, sparking, or overheating, stop using it and contact De’Longhi support or return the unit to the retailer.

Buying decision, alternatives, and U.S. price/value considerations

How to verify value in the U.S. market:

• Check current U.S. MSRP and typical retail prices on authorized De’Longhi U.S. retailers.
• Confirm warranty terms and U.S.-based customer service availability.
• Look for included accessories (measuring guides, tampers for espresso bundlers, cleaning brushes).

Alternatives worth comparing (general categories):

• Budget burr grinders from Baratza Encore or Capresso Infinity for more consistent burr systems.
• Mid-range grinders with stepless adjustment for espresso if you plan espresso (look at models explicitly advertised for espresso).
• Blade grinders only if your priority is low cost and coarse grind for cold brew or simple drip.

Value checklist before buying:

• Read the product specifications on the retailer page for “KG79” (burr type, number of settings).
• Scan verified customer reviews for consistent reports of durability or defects.
• Check return policy and warranty for U.S. purchases.

Key takeaways and next action (U.S. buyer)

• The KG79 may suit U.S. home brewers who want a compact, budget-friendly grinder for drip and manual brews. Confirm the grinder type (burr vs. blade), the grind range, and dosing features before purchase.
• Test a unit at home using the steps above within the retailer’s return window to verify grind consistency and noise.
• If you need consistent espresso performance or longer-term durability, compare to dedicated burr grinders with explicit espresso support.

Next action:

1. Verify KG79 specifications on De’Longhi’s U.S. site or the retailer product page.
2. Purchase only from an authorized U.S. retailer with a reasonable return window.
3. Run the evaluation tests above within the return period; keep packaging in case you return the unit.

Frequently Asked Questions (useful, unresolved questions)

Q1: Is the De’Longhi KG79 a burr or blade grinder?
A1: Confirm directly on the U.S. product page or packaging. The difference determines whether it is suitable for espresso and consistent extraction.

Q2: Can the KG79 make espresso grind fine enough?
A2: That depends on the exact burr quality and adjustment range. Use the test method above to check the finest setting; if you can achieve a fine, even grind and consistent espresso extraction, it will work. Otherwise, consider a grinder marketed for espresso.

Q3: How noisy is the KG79?
A3: Noise varies by motor and build. Measure qualitatively during the home test. If quiet operation is critical, compare decibel specs where available or choose grinders noted for low RPM motors.

Q4: How do I clean the KG79 safely?
A4: Unplug before cleaning. Use a brush to remove grounds from the burrs and hopper. Consult the manual for burr removal instructions. Avoid water on electrical parts.

Q5: Where can I get replacement burrs or support in the U.S.?
A5: Check De’Longhi U.S. support and authorized parts dealers. Before buying, confirm part numbers for replacement burrs and warranty coverage on the retailer’s product page.

If you want, I can draft a short checklist you can print to test the KG79 at home or a side-by-side comparison template for KG79 vs. two other grinders you name.