By Kai Nakamura · Production roaster & equipment editor · Updated 2026-09-17

Mill City 10kg vs Giesen W15A

Domestic drum build vs imported Dutch engineering

→ Giesen W15A

Giesen W15A wins on installed cost — confirm Mill City Roasters dealer support in your region before ruling it out.

Capital outlay: WinnerHourly throughput: WinnerAutomation depth: Winner

Lowest street price → Mill City RoastersFaster batches → Giesen

Also searched: giesen w15a vs mill city 10kg

Decision picker

What is your primary constraint?

Capital budgetOperating cost / utilities

Batch size you roast most often?

10 kg or less15 kg production

Is gas already permitted on-site?

Yes — gas readyNo — electric only

Choose Mill City 10kg if

• Value pricing matches your roast targets
• Gas service and 750 exhaust already permitted
• Budget allows $42,000 USD equipment plus install

Choose Giesen W15A if

• Software-first workflow matches your roast targets
• Gas service and 850 exhaust already permitted
• Lead time under 22 weeks is critical

Specification matrix

Show differences only

Manufacturer specs and dealer quotes. Throughput model uses SCA 4-minute cooling allowance. Verify all numbers with OEM before purchase.
Spec	Mill City 10kg	Giesen W15A
Batch capacity	10 kg	15 kg
Heat source	320,000 BTU/h gas	380,000 BTU/h gas
Drum / chamber	Carbon steel drum	Steel drum
Batch time (typical)	13 min	13 min
Throughput (modelled)	35.3 kg/h	52.9 kg/h
Street price band	$42,000 USD	$98,000 USD
Exhaust	750 CFM	850 CFM
Lead time	10 wks — confirm with dealer	18 wks — confirm with dealer
Automation	Optional Cropster/Artisan RT	Giesen Software Suite
Service hub	USA	Netherlands

Batch capacity

Mill

10 kg

Giesen

15 kg

Heat source

Mill

320,000 BTU/h gas

Giesen

380,000 BTU/h gas

Drum / chamber

Mill

Carbon steel drum

Giesen

Steel drum

Batch time (typical)

Mill

13 min

Giesen

13 min

Throughput (modelled)

Mill

35.3 kg/h

Giesen

52.9 kg/h

Street price band

Mill

$42,000 USD

Giesen

$98,000 USD

Exhaust

Mill

750 CFM

Giesen

850 CFM

Lead time

Mill

10 wks — confirm with dealer

Giesen

18 wks — confirm with dealer

Automation

Mill

Optional Cropster/Artisan RT

Giesen

Giesen Software Suite

Service hub

Mill

USA

Giesen

Netherlands

10kgW15A

Qualitative scores — verify against your roast program

Why this split

Giesen W15A leads on the weighted score for most boutiques we modelled.

Mill City Roasters stays competitive when value pricing outweighs the price gap.

Airflow path through a commercial drum roaster from burner to cyclone — Typical drum roaster airflow: burner → drum → cyclone chaff collector

Deep dives

What to verify with your dealer

Neither OEM publishes binding street prices — quotes move with queue and freight.

Verify with vendor

• Confirm Mill City 10kg lead time and freight to your dock
• Confirm Giesen W15A install kit and probe package included
• Ask for three references at similar elevation and batch size

Side-by-side

Mill City Roasters strengths & gaps

Value pricing
Fast US delivery
Manual operation default

Giesen strengths & gaps

Software-first workflow
Variable drum speed
Software learning curve

FAQ

Looking for giesen w15a vs mill city 10kg?

Same comparison — Mill City 10kg is listed first by convention. Verdict and spec matrix are identical either way.

What throughput can I expect?

Modelled: 35.3 kg/h (Mill City 10kg) vs 52.9 kg/h (Giesen W15A) including a 4-minute charge/cool cycle.

What street price should I budget?

Mill City 10kg: $42,000 USD (As quoted Q1 2026, US factory). Giesen W15A: $98,000 USD (As quoted Q1 2026, NL factory). Request refreshed quotes — neither includes install.

Which supports Cropster logging?

Mill City 10kg: Yes with RT bridge — confirm with dealer. Giesen W15A: Yes with RT bridge — confirm with dealer.

Decision picker

Specification matrix

Why this split

Deep dives

Side-by-side

Mill City Roasters strengths & gaps

Giesen strengths & gaps

FAQ

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