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Standardized chain restaurant ESP exhaust filtration system — Polygee
💼 Solution · Chain Restaurant

Chain Restaurant ESP —
Standardized Exhaust Filtration

Chain restaurant ESP is the standardized solution for multi-location brands. When you operate 50 or 500 locations, inconsistent kitchen exhaust becomes a compliance liability, a procurement inefficiency, and a brand risk. Our standardized ESP programme gives restaurant chains a single specification, volume pricing, and a rapid-deployment system that works identically from London to Kuala Lumpur.

Up to 97.6%
Grease Capture Rate
1-2 Days
Install per Location
50
Countries Served
225
Patents Held
The Challenge

Why Chain Restaurants Need One Exhaust Standard

Without a chain-wide exhaust standard, every location becomes a compliance gamble — and the brand pays the price when one store fails an inspection.

Compliance Inconsistency Across Locations

Without a mandated exhaust standard, franchisees and regional teams source whatever filter or pollution control unit (PCU) is cheapest locally. The result: some locations run high-efficiency ESP, others run basic mesh filters from a hardware store. One failed environmental inspection in one city creates PR problems for the entire brand — and in some markets, triggers regulatory audits across all locations.

Fragmented Procurement = Lost Savings

A chain buying commercial kitchen exhaust equipment through 200 individual franchisees or regional offices pays retail prices, gets inconsistent quality, and loses the negotiating power that comes with consolidated volume. Across a 100-location chain, exhaust equipment is a major annual budget line. Consolidated procurement at volume pricing can reduce it meaningfully.

Rapid Rollout Requires Reliable Supply

Growing chains opening 20–50 new locations per year cannot afford a 6-week equipment lead time that delays a store opening. Every week a new restaurant doesn’t open costs significant lost revenue. Kitchen exhaust equipment that isn’t on the approved supplier list — with committed lead times — is a rollout risk, not just a compliance issue.

Brand Reputation at Every Location

A visible smoke column from one restaurant location generates social media posts, Google Reviews, and council air quality complaints that attach to the brand — not just that individual store. In an era of brand-conscious consumers, visible kitchen exhaust plumes signal poor quality control. Many chains now include exhaust purification and odor control standards in their franchise operations manuals alongside food safety standards.

Working Principle

How Electrostatic Purification Removes Commercial Kitchen Smoke

Polygee ESP uses a multi-stage electrostatic air filtration process — from pre-filtration to UV sterilization — delivering up to 97.6% grease removal, to the same specification at every chain location. Third-party tested: 97.6% on LK160 and 97.0% on LK40 (Beijing Zhongyan Huanneng, CMA — reports ZY05W230298 / ZY05W230296); 96.0% at rated airflow on LK120 (SQEP, CMA — report 2024I20-35-5322488001).

Polygee LK-K 5-Stage ESP Purification Principle Diagram
Stage 1

Airflow Distribution

Washable mesh pre-filter traps large particles and evenly distributes airflow.

Stage 2

Primary Ionization

High-voltage ionization charges grease and smoke particles.

Stage 3

Plate Collection

Dual-zone plate-type collector captures charged grease particles and smoke.

Stage 4

Secondary Collection

Additional collector stage for the top-tier configuration.

Stage 5

UV Sterilization

UV-C module decomposes VOCs and reduces odors.

System Architecture

A Complete Multi-Site Kitchen ESP System

A standardized 5-stage system — specified once by your brand team and replicated identically across every location in your portfolio.

Stage 1
Standard Kitchen
Your brand’s standard kitchen layout generates consistent exhaust loads across locations
Stage 2
Hood Capture
Standard stainless steel hood captures fumes into duct — same spec at every site
Stage 3
Standard ESP Unit
Polygee ESP in approved standard spec — up to 97.6% capture, same model chain-wide
Stage 4
Exhaust Fan
Standard fan spec — consistent performance across all locations
Result
Brand Compliant
Visibly clean, low-odor, code-aligned exhaust — at every location, every day
Application Scenarios

Chain Restaurant ESP for Every Format

Different chain formats have different cooking loads and kitchen configurations. We develop the right standard ESP spec for each format in your portfolio.

Quick service restaurant chain kitchen with standardized ESP grease filtration

Quick Service Restaurant (QSR)

High-volume fryers and grills with consistent cooking loads — a highly standardizable kitchen format. A single ESP model covers most QSR formats. Fast 1-day installation aligns with tight store opening schedules.

High Volume · Standard Spec · 3,000–8,000 m³/h
Chinese wok chain restaurant with heavy-duty ESP exhaust system

Chinese & Asian Wok Chain

A heavy-duty format — high-heat wok cooking produces dense grease and visible smoke. Heavy-duty ESP with higher collector cell capacity handles commercial kitchen smoke removal at wok intensity. Chain brands in this category benefit most from standardized high-efficiency ESP across all locations.

Heavy Load · 6,000–12,000 m³/h
Western casual dining chain restaurant with ESP ventilation

Western Casual Dining Chain

Consistent grill and oven cooking across multiple outlets. Mid-range ESP spec covers most casual dining formats. Often the first chain category where brands formalize their exhaust standard due to visible grill smoke.

Medium Load · 4,000–8,000 m³/h
Bubble tea and light food chain store with compact ESP unit

Bubble Tea & Light Food Chain

Light cooking loads (toasters, waffle irons, small fryers) in small-footprint stores. Compact ESP units fit into narrow duct spaces common in bubble tea chain locations. Affordable standardized spec for high store-count rollout.

Light Load · Compact · 2,000–3,000 m³/h
Pizza chain restaurant with oven-based ESP filtration system

Pizza & Oven-Based Chain

Consistent deck oven and conveyor oven cooking across all locations. Moderate grease load with significant smoke from cheese and dough. Standard ESP configuration delivers reliable performance with low maintenance across all franchise locations.

Medium Load · 3,000–6,000 m³/h
International F&B franchise with multi-country certified ESP system

International F&B Franchise

Multi-country chains need ESP that meets local certifications in every market — UL for USA, CE for EU, local certifications for Southeast Asia and the Middle East. One Polygee ESP family, configured for local voltage standards, covers 50 countries.

Multi-Country · Multi-Cert · Global Rollout
Technology Comparison

ESP vs. Traditional Grease Filters

At chain scale, the operational and financial difference between ESP and traditional filters compounds with every location. See the LK in-duct ESP specifications for airflow ratings and dimensions.

Feature Traditional Mesh/Baffle Filter Polygee ESP
Grease Capture Efficiency Limited up to 97.6% ✓
Compliance Consistency ✗ Varies by location ✓ Same performance chain-wide
Standardization ✗ Local sourcing varies ✓ One standard spec for all locations
Annual Maintenance Cost Recurring filter purchases per location ✓ Cleaning labor only — no filter purchases
Visible Exhaust Plume ✗ Common at multiple locations ✓ Visibly clean discharge at every location
Brand Compliance Risk ✗ High — inconsistent performance ✓ Low — documented up to 97.6% efficiency
Volume Procurement ✗ No volume pricing available ✓ Chain pricing negotiated at brand level
Installation Time 1–2 days (hood replacement) ✓ 1–2 days (duct retrofit, no hood change)
Multi-Market Documentation ✗ Local sourcing per country ✓ CE series + UL Listed models — docs for 50 countries
Staff Training Per location (varies) ✓ One standard maintenance procedure

Ready to deploy a chain restaurant ESP standard with up to 97.6% efficiency at every location?

Get Your Free Chain ESP Assessment →
Recommended Products

Choose the Right ESP for Your Chain

Two product lines cover every chain format — from QSR retrofit to full casual dining new build.

Standard SKU quick reference — the most common chain kitchen airflow points, from the LK-A Series (Standard Tier) specification table:

Model Airflow (m³/h) Power (W)
LK40A 4,000 140
LK60A 6,000 196
LK80A 8,000 256
LK100A 10,000 320
LK120A 12,000 392
Supply 220V or 380V, 50/60 Hz (configured to your market) · pressure drop ≤150 Pa incl. distribution plate — see the full 41-model lineup on the kitchen electrostatic precipitator product page.
Polygee Modular In-Duct ESP for chain restaurant rollout
Recommended for Chain Rollout & Retrofit

Modular In-Duct ESP

The standard choice for chain retrofit programmes — this electrostatic air cleaner slides into existing ductwork in 1–2 days without hood replacement or structural changes. Available in standard SKUs covering the most common chain kitchen airflow ranges. Order from one standard list, deploy identically at every location.

  • Standard SKU Range
  • 1–2 Day Install
  • No Hood Change
  • Docs for 50 Countries
  • Volume Pricing
In-duct kitchen electrostatic precipitator specifications →
Polygee Integrated Hood ESP for chain new build
Recommended for New Locations

Integrated Kitchen Hood ESP

For chains rolling out new locations — the all-in-one hood includes ESP, LED lighting, and oil drainage in a single unit. Specify once in your brand standard fitout package and order for every new site. Custom dimensions available to match your standard kitchen layout.

  • All-in-One Fitout
  • Brand Standard Spec
  • Custom Dimensions
  • SUS201 Stainless Steel (SUS304 optional)
  • Built-in LED
Kitchen ESP hood specifications →
Rollout Process

From Standard Spec to Nationwide Rollout

Our rollout programme takes your brand from fragmented exhaust management to a standardized, compliant system across every location.

Chain Audit & Spec Development

We audit a sample of your existing locations across different markets, measure exhaust loads, ventilation system layouts, and duct dimensions, and develop standard ESP specifications for each kitchen format in your portfolio. Typically 2–4 standard specs cover 90%+ of locations.

Chain Pricing Agreement

Volume pricing is negotiated at the brand level — covering all current and projected new locations for the contract period. Standard order processes are set up for new location procurement, regional distribution, and emergency replacement supply.

Phased Rollout

New locations install to standard from Day 1. Existing locations are retrofitted in priority waves — highest compliance risk first. Each location installs in 1–2 days. Detailed installation kits and training materials are provided for your local installation teams.

Ongoing Programme Management

Annual compliance reports, maintenance schedule documentation, and spare parts supply are managed centrally, with on-site support from our regional kitchen ESP distributors. As your chain expands into new countries, we handle local certification requirements with no change to the hardware specification.

Why Polygee

Why Chains Choose Polygee

One Spec, Every Location

Standardized SKUs, installation procedures, and maintenance schedules. Train your operations team once — the knowledge applies from Tokyo to Dubai.

Volume Pricing

Chain-level procurement agreements deliver meaningful per-unit savings vs. individual store purchasing. Dedicated inventory allocation supports supply for your rollout schedule.

Exported to 50 Countries

One product family: UL Listed models for the US, the CE-certified LK series for the EU, and export documentation for 50 countries. No need to source different products in different markets — same spec, local voltage configuration. View our ESP certifications →

Rollout-Ready Lead Times

Standard SKUs: 7–15 days production & dispatch. Rush production available. We match your store opening schedule, not the other way around.

UL Listed Models
CE Certified
RoHS
ISO 9001
ISO 14001
CCEP
CQC
Manufacturing Excellence

Built in Our Own Smart Factory

Every Polygee ESP is manufactured in-house at our 110,000 m² intelligent production facility — delivering the consistent quality your chain requires at every location, at scale.

Polygee smart production line
Polygee quality control lab
Polygee product showroom
110,000 m²
Factory Area
225
Patents Held
BSE:920802
Publicly Listed
50
Export Countries
Global References

Trusted by Iconic Properties Worldwide

Polygee ESP systems serve prestigious properties across 50 countries — and chain F&B operators including Haidilao — the same quality standard your chain demands globally. The case studies below span resorts, malls, hotels, and institutional kitchens.

Marina Bay Sands ESP by Polygee

Marina Bay Sands

Multi-outlet F&B ESP across Singapore’s most iconic resort — demonstrating Polygee’s ability to manage complex, multi-format kitchen exhaust at the highest standard.

Singapore · Multi-Outlet 2012 · ODM units · 500 units
Dubai Mall ESP by Polygee

Dubai Mall

Food court and restaurant zone ESP across one of the world’s most visited shopping destinations — visibly clean discharge.

UAE · Food Court 2017 · ODM units · 40 units
TRX Exchange ESP by Polygee

TRX Exchange

Multi-tenant F&B exhaust in KL’s financial district — a reference for international chains expanding into Southeast Asian markets.

Malaysia · Mixed-Use 2022 · LK-E + UV series · 300 units
Waldorf Astoria Doha ESP by Polygee

Waldorf Astoria Doha

Meeting the most exacting hotel brand exhaust standards in Qatar — the same standard that global F&B chains operating in the GCC must meet.

Qatar · GCC 2016 · LK-E series · 30 units
University of Sydney ESP by Polygee

University of Sydney

Large institutional kitchen meeting Australian environmental codes — a reference for international chains entering the Australian market.

Australia · Institutional 2013 · RY series · units on request
Procurement

Commercial Terms

Standard commercial terms for chain restaurant ESP procurement — volume pricing is agreed at the brand level.

Term Details
Payment 30% (or 50%) deposit, balance before shipment — T/T and L/C accepted
Incoterms Incoterms arranged to suit the buyer (EXW / FOB / CIF)
Warranty 1-year warranty on the complete unit, covering the ESP cell and SPP power supply. UV lamps and activated carbon media are consumables and not covered; on-site labor is not included (paid on-site service available)
MOQ 1 unit · Project and volume pricing quoted per project.
Lead Time 7–15 days
Spare Parts Common spare parts kept in stock; supply continues for 1 year after a model is discontinued
Engineering Support System design proposals, CAD drawings and full specification sheets — request with your project’s airflow details.
Chain Pricing · Standard Spec · 50 Countries

Get Your Free Chain Assessment

Share your chain’s kitchen formats, cooking equipment, location count, and target markets — our team will develop a chain restaurant ESP specification and pricing proposal within 48 hours (design proposal) on business days.

CE • UL Listed Models Volume Pricing 50 Countries 24h Response (Mon–Fri) BSE:920802
FAQ

Frequently Asked Questions

More on sizing, certification and maintenance in our kitchen ESP FAQ.

We work with your engineering team to define a standard chain restaurant ESP model for each kitchen format in your chain. The standard spec covers ESP model, airflow rating, electrical connection, and maintenance schedule. All new stores order from this standard list; existing stores retrofit to the standard over a scheduled programme.
Yes. We offer tiered pricing for chain procurement — the larger the annual order volume, the greater the per-unit discount. For chains ordering 50 or more units per year, we offer dedicated inventory allocation to support committed delivery lead times. Pricing is negotiated at the brand level, not per franchisee.
For standard chain specifications, models ship in 7–15 days from order. Installation takes 1–2 days. For chains with frequent new openings, we recommend maintaining a buffer stock of standard units at a local distribution point to shorten delivery for repeat orders. Rush production is also available for urgent openings.
Yes. The LK in-duct series carries CE certification (FQC2602501); 6K/12K/18K models are UL Listed (UL 867, File E522667); the LK series is RoHS compliant; plus CQC, CCEP, ISO 9001, ISO 14001 and ISO 45001. We export to 50 countries and provide compliance documentation on request. For international chains, we configure the ESP power supply to local voltage standards (220V/380V, 50/60Hz) at the factory. One ESP model family can be ordered for global deployment with country-specific electrical configurations.
We recommend including ESP specification in the franchise operations manual as a mandatory equipment standard. Franchisees order from the brand’s approved supplier list (Polygee) and follow the brand’s standard maintenance schedule.
This is determined by the franchise agreement. Most chains either: (1) require franchisees to maintain ESP per the brand’s standard schedule and document it, or (2) establish a national service contract with Polygee or a local partner to maintain all franchisee units centrally. We support both models.
Requirements vary by country and municipality. Polygee chain restaurant ESP covers UL Listed models (File E522667) for the US, plus the CE-certified LK series (FQC2602501) for the EU. For international chains, we prepare a country-by-country certification matrix showing which certifications apply to each market — simplifying compliance management for your facilities team.
We recommend a phased rollout: start with new openings (all future stores install to standard), then address existing stores in priority waves — highest compliance risk first. For 100 locations, we create a project plan with standard installation kits, local installer training, and a tracking dashboard. A typical 100-location retrofit programme runs 6–18 months depending on geography and urgency.
Content reviewed by Scarlett, Business Director, and Law, Project Manager, Polygee Engineering Team · Last updated August 2026