Large stainless steel exhaust silencer on a galvanised support frame above a generator set in a plantroom

Services

Generator exhausts and silencers. Designed, supplied, installed, tested.

For M&E contractors, main contractors and consultants with standby generators, CHP or diesel fire pumps to exhaust.

  • Supply only
  • Install only
  • Supply and install
  • 0 hours to a price, from drawings or survey information
  • 0 days to a survey, normally within a week of order
  • 0 minutes to calculations and CAD drawings after survey
  • Same day job-specific RAMS, normally
  • 2 to 4 weeks from order to install, faster when it is urgent

Normal turnarounds. How we work

What's in the package

Plantroom to terminal, one package.

The route, the silencer, the supports and the terminal, sized against the engine data and the acoustic target.

Supply only, install only, or supply and install.

  • Route design, plantroom to terminal
  • Silencer sizing and selection
  • Standby, CHP and fire pump sets
  • Supports, frames and brackets
  • Flexible connections and test tees
  • Insulation and cladding
  • Testing and certificate
  • O&M pack at handover

To price it

What we need from you to price it.

Drawings, photos or an outline is enough to start. We price from that or arrange a survey.

Send what you have
  1. Appliance type and number Boiler, generator, water heater, how many
  2. Output kW or kVA per appliance
  3. Spigot or outlet size Diameter at the appliance
  4. Approximate lengths Vertical and horizontal runs
  5. New flue or existing chimney And what is there now
  6. Termination Roof, wall or chimney top
  7. Site location Town or postcode

The engineering

Drawn before it is built.

Real Grün drawings. Calculations and CAD drawings normally back within 60 minutes of survey. Pick a number to see where it is on the drawing.

Isometric drawing of four generator sets with four silencers and four twin wall stacks through the roof
Salmon farm, Applecross. First iteration isometric, not to scale, roof and wall cut away.

Design and calculations ↗

On site

Silencers, stacks and terminals.

A Grün project manager on site and daily photo progress reports on every job.

  • Four stainless steel twin wall exhaust stacks grouped above a dark clad roof Four stacks, Applecross
  • Four insulated exhaust elbows and runs at high level in a plantroom High level runs, Applecross
  • Generator building with four exhaust stacks on a coastal site at dusk Generator building at dusk, Applecross
  • Vertical exhaust silencer hung from a soffit on threaded rods with a flanged connection Soffit silencer, London
  • Horizontal exhaust silencer hung from the ceiling on channel and rods Wall silencer, London
  • Polished stainless steel roof terminal with a storm collar on a flat roof Roof terminal, London

Common questions

Asked most on generator jobs.

Anything else, call 01395 201950 or email sales@gruneng.com.

Send drawings. Get a price.

Send the engine data and the route. A price normally comes back within 24 hours.