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

Stronghold S7 Pro vs Roest S100

Korean ceramic automation vs Swiss sample precision

→ Roest S100

Roest S100 wins without gas permitting — but verify 2.5 kW panel capacity first.

Hourly throughput: WinnerAutomation depth: Winner

Lowest street price → RoestFaster batches → Stronghold TechnologyNo gas line → electric platform

Also searched: roest s100 vs stronghold s7 pro

Decision picker

What is your primary constraint?

Capital budgetOperating cost / utilities

Batch size you roast most often?

0.1 kg or less0.7 kg production

Can you run dedicated electric service?

Yes — electric worksNo — need gas option

Choose Stronghold S7 Pro if

• Precision electric control matches your roast targets
• No gas line or permit required
• Budget allows $11,500 USD equipment plus install

Choose Roest S100 if

• 100g precision samples matches your roast targets
• No gas line or permit required
• Lead time under 10 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	Stronghold S7 Pro	Roest S100
Batch capacity	0.7 kg	0.1 kg
Heat source	3.8 kW electric	2.5 kW electric
Drum / chamber	Ceramic-lined electric drum	Fluid-bed + drum hybrid
Batch time (typical)	7 min	6 min
Throughput (modelled)	3.8 kg/h	0.6 kg/h
Street price band	$11,500 USD	$8,900 USD
Exhaust	120 CFM	80 CFM
Lead time	8 wks — confirm with dealer	6 wks — confirm with dealer
Automation	Stronghold app	Roest app
Service hub	South Korea	Norway

Batch capacity

Stronghold

0.7 kg

Roest

0.1 kg

Heat source

Stronghold

3.8 kW electric

Roest

2.5 kW electric

Drum / chamber

Stronghold

Ceramic-lined electric drum

Roest

Fluid-bed + drum hybrid

Batch time (typical)

Stronghold

7 min

Roest

6 min

Throughput (modelled)

Stronghold

3.8 kg/h

Roest

0.6 kg/h

Street price band

Stronghold

$11,500 USD

Roest

$8,900 USD

Exhaust

Stronghold

120 CFM

Roest

80 CFM

Lead time

Stronghold

8 wks — confirm with dealer

Roest

6 wks — confirm with dealer

Automation

Stronghold

Stronghold app

Roest

Roest app

Service hub

Stronghold

South Korea

Roest

Norway

ProS100

Qualitative scores — verify against your roast program

Why this split

Roest S100 leads on the weighted score for most boutiques we modelled.

Stronghold Technology stays competitive when precision electric control outweighs the price gap.

Deep dives

What to verify with your dealer

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

Verify with vendor

• Confirm Stronghold S7 Pro lead time and freight to your dock
• Confirm Roest S100 install kit and probe package included
• Ask for three references at similar elevation and batch size

Side-by-side

Stronghold Technology strengths & gaps

Precision electric control
Automated profiling
Small batch only

Roest strengths & gaps

100g precision samples
Profile replication
Sample size only

FAQ

Looking for roest s100 vs stronghold s7 pro?

Same comparison — Stronghold S7 Pro is listed first by convention. Verdict and spec matrix are identical either way.

What throughput can I expect?

Modelled: 3.8 kg/h (Stronghold S7 Pro) vs 0.6 kg/h (Roest S100) including a 4-minute charge/cool cycle.

What street price should I budget?

Stronghold S7 Pro: $11,500 USD (As quoted Q1 2026, KR/US dealer). Roest S100: $8,900 USD (As quoted Q1 2026, NO factory). Request refreshed quotes — neither includes install.

Which supports Cropster logging?

Stronghold S7 Pro: Aftermarket probe required. Roest S100: Aftermarket probe required.

Decision picker

Specification matrix

Why this split

Deep dives

Side-by-side

Stronghold Technology strengths & gaps

Roest strengths & gaps

FAQ

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