08:00 The building takes its first breath
A building breathes around eight times an hour — and behind the grilles, its kitchens, risers and dampers collect the grease, dust and fire risk nobody sees. We keep the whole system clean and safe: duct hygiene, kitchen extract, fire dampers and ventilation — cleaned, tested and certificated to TR19.
10:30 On the tools
Two jobs, one team: the air a building breathes, and the grease, dust and dampers that put it at risk. Every line below is cleaned, tested and certificated by the same engineers.
13:00 How every job runs
The promise hasn’t changed in a decade. Every job — a school AHU or a takeaway’s grease duct — runs the same three-step spine.
Ductwork, grease extract and AHUs cleaned to TR19 — access panels opened, deposits removed and measured, before/after photographed.
Fire dampers dropped, systems balanced, airflows measured, clean rooms validated against the standard that applies.
Reports and certificates issued and filed — audit-ready evidence in your inbox, not a verbal all-clear.
15:45 Proven, not promised
Photographs, deposit measurements, test results, certificates — filed and sent before we leave site. If it isn’t documented, it didn’t happen; so we document everything.
16:30 Recent work
Named case studies publish here as clients sign them off — drop project photos straight onto the frames below.
TR19 Grease clean & certification — case study to follow.
Annual drop-testing across hundreds of dampers — case study to follow.
Commissioning & validation to spec — case study to follow.
17:30 Where we work
19:00 Same group, same standard
Clean Ducts is the ventilation-hygiene brand of Gemini AMPM Ltd — the employee-owned firm that has protected the South East’s buildings since 1997.
Gemini keeps the night. AMPM Building Services keeps the day. We keep the loop that never stops — the air, and everything it moves through. Same group. Same standard. Same name on the certificate.
About the group24/7 The air doesn’t clock off
Book a free site survey and a named engineer comes back within 24 hours. Emergency? The group line is answered by an engineer, every hour of every day.