RECD manufacturer in IndiaWhen businesses search for an , three questions usually come first: What products are available, how much will they cost, and what documentation is required for compliance? These questions are important, but they should be answered together rather than separately. An RECD purchase is a technical decision because the suitability of a device depends on the diesel generator engine, applicable power range, phase and installation conditions. CPCB has published a procedure for emission-compliance testing of retrofit emission-control devices for diesel power-generating-set engines up to 800 kW gross mechanical power. The procedure was revised on July 24, 2023.

price should come after product applicability and documentation have been establishedCPCB also maintains a published list of manufacturers certified for RECDs applicable to different ranges of in-use diesel genset engines. The available list dated May 9, 2025 identifies manufacturers, engine-power ranges, Phase I/Phase II applicability and certification agencies. For buyers, this means .

What Does an RECD System Cost?

There is no single standard RECD price that applies to every diesel generator.

The final quotation can depend on:

DG-set engine power
Engine model
RECD model
Product configuration
Exhaust arrangement
Installation requirements
Fabrication requirements
Controller and monitoring components
Transportation
Commissioning
Warranty and service scope

This is why online claims such as “RECD costs ₹X for every DG set” should be treated cautiously.

A supplier should ideally evaluate the actual generator before providing a final technical and commercial proposal.

Why DG-Set Capacity Matters

A generator is commonly described by its kVA rating, but RECD evaluation also requires attention to engine power.

in-use diesel genset engine power in kWCPCB's published manufacturer list provides applicability in ranges of .

When requesting a quotation, provide:

Engine manufacturer
Engine model
Engine serial number
Gross mechanical power
DG-set kVA
Engine nameplate photograph
DG-set nameplate photograph

This gives the manufacturer a much better starting point than kVA alone.

Types of RECD Products and Applications

RECD products are not necessarily interchangeable across every generator.

CPCB's published manufacturer list shows different applicability ranges for listed products and distinguishes between Phase I and Phase II applications.

Therefore, the product selection process should establish:

Engine Range

Does the proposed RECD cover the engine's applicable power range?

Phase

Does the product documentation identify the relevant phase?

Product Identity

What exact RECD model is being offered?

Certification Information

What certification/test documentation supports the stated application?

This product-level approach is more reliable than selecting a system simply because the manufacturer is well known.

What Should Be Included in the Product Price?

When comparing quotations, determine exactly what the quoted price represents.

A supplier may quote only for the RECD equipment.

Another may quote a complete package containing:

RECD
Controller
Sensors
Mounting components
Exhaust fabrication
Installation
Wiring
Commissioning
Documentation

Therefore, two quotations with different prices may not actually be comparable.

Product Selection Should Come Before Price Negotiation

A common purchasing mistake is to ask several suppliers for their cheapest RECD before confirming the technical requirement.

That approach can produce very different products and scopes.

Instead, follow this order:

Identify the DG set → Verify engine power → Determine applicable product → Review documentation → Define installation scope → Compare quotations

This creates a more meaningful price comparison.

Ask for the Exact RECD Model

Every quotation should clearly identify the product being offered.

Record:

Manufacturer
RECD model
Applicable engine range
Phase
Quantity
Accessories
Installation scope

If a quotation simply says “CPCB RECD system,” ask for more information before proceeding.

Understanding CPCB Certification Information

CPCB's published RECD manufacturer list identifies certified manufacturers and provides applicability ranges for listed products. It also identifies certification agencies for the listed entries.

The published information should be used as a verification reference rather than replaced by generic sales statements.

When reviewing supplier documentation, compare:

Manufacturer

↓

Exact product/model

↓

Applicable engine-power range

↓

Phase

↓

Certification/test information

The closer these details match your actual DG set, the stronger the technical basis for the purchase.

Is Every “CPCB Approved RECD” the Same?

No.

A generic statement such as “CPCB approved” does not tell a buyer:

Which model?
Which engine range?
Which phase?
Which certification agency?
Which application?

CPCB's published list itself demonstrates that different manufacturers have different documented engine-power ranges and phase applicability.

Therefore, buyers should ask suppliers to provide product-specific information.

What Documents Should You Request?

Depending on the product and transaction, request relevant documentation such as:

Technical datasheet
Product specifications
Applicable engine range
Phase applicability
Certification/test documentation
Installation manual
Operating instructions
Maintenance instructions
Warranty terms

The exact documentation package may differ between products.

Installation Can Change the Total Cost

The equipment price is only one part of the project.

Installation may require work around the existing exhaust system.

Before ordering, check:

Exhaust diameter
Flange dimensions
Silencer location
Pipe routing
Available space
Mounting arrangement
Access for maintenance
Required fabrication

CPCB's RECD testing procedure includes exhaust back pressure among the technical parameters considered during compliance testing.

Therefore, installation should be planned according to the actual DG-set configuration.

Ask Whether Site Inspection Is Included

A manufacturer may offer:

Pre-installation inspection
Exhaust measurements
Installation design
Fabrication
Equipment installation
Commissioning

Clarify these services before accepting a quotation.

A low equipment price can become considerably higher if fabrication and installation are excluded.

Controller and Monitoring Components

Depending on the selected system, the RECD may include controllers, sensors or other monitoring components.

Ask the manufacturer:

Which components are included?
What parameters are monitored?
What indications are available?
What alarms are provided?
What maintenance is required?
Are these components covered by warranty?

Don't assume that two systems with similar names have identical component packages.

Warranty Should Be Part of the Price Comparison

A quotation should explain warranty conditions clearly.

Check:

Duration

How long is the warranty?

Coverage

Which components are covered?

Labour

Is installation/service labour included?

Travel

Are site visits covered?

Replacement

How are defective components replaced?

Exclusions

What circumstances invalidate warranty coverage?

A longer warranty is not automatically better if its coverage is very limited.

After-Sales Service Has a Real Cost

Price comparisons should also consider support.

Ask whether the manufacturer provides:

Technical troubleshooting
Service visits
Preventive maintenance
Spare parts
Remote support
Installation support
Warranty assistance

For organizations operating multiple generators, service availability can have a significant impact on the overall value of an RECD system.

How to Evaluate an RECD Manufacturer

RECD manufacturer in IndiaWhen comparing an , consider these six areas.

1. Product Applicability

Is the product suitable for your engine and applicable power range?

2. Documentation

Can the manufacturer provide clear technical and certification-related information?

3. Installation Capability

Can the company handle or support the actual installation?

4. Warranty

Are the warranty conditions clearly documented?

5. Service

Can the company provide technical assistance after commissioning?

6. Total Cost

Does the quotation include all major project costs?

A manufacturer offering the lowest initial price may not offer the lowest overall project cost.

What Makes a Product More Valuable?

A product's value can be considered through the complete lifecycle.

Purchase

What does the equipment cost?

Installation

How much work is needed to integrate it?

Commissioning

Who verifies the installation?

Maintenance

What ongoing maintenance is required?

Service

How quickly can technical assistance be obtained?

Replacement

How easily can service components be sourced?

A slightly higher initial price may be reasonable when the overall scope and support are substantially better-but the decision should be based on documented technical and commercial differences.

Choosing an RECD Supplier for DG Sets

RECD supplier for DG setsFor organizations searching for an , ask every shortlisted company for the same information.

Product Questions

What exact model is being offered?
What engine-power range applies?
Which phase applies?
What components are included?

Certification Questions

What certification/test documentation is available?
Which certification agency is identified?
Does the documentation correspond to the quoted product?

Installation Questions

Is site inspection included?
Is exhaust fabrication included?
Is commissioning included?

Commercial Questions

Is transportation included?
Are taxes included?
Are additional fabrication charges possible?
What is the warranty?

Service Questions

Who handles technical complaints?
Are spare parts available?
Is on-site service available?

Don't Ignore State-Level Requirements

CPCB information is an important reference, but buyers should not assume that one general online statement covers every installation.

Depending on the site, there may also be requirements or directions associated with the relevant State Pollution Control Board or Pollution Control Committee.

Before installation, review the documentation applicable to the actual location.

If there is uncertainty about regulatory interpretation, obtain clarification from the appropriate authority or qualified environmental professional.

Verify Current Official Information Before Buying

CPCB maintains generator-set resources, including Type Approval/COP information and related material.

The official CPCB website should be checked before making compliance-related purchasing decisions.

This is particularly important because:

Official lists can be updated.
Procedures can be revised.
Applicability can differ by product.
State requirements may vary.
Older online information may no longer reflect the current position.

CPCB's published RECD manufacturer list currently available from its website is dated May 9, 2025, so buyers should verify whether a newer official list or relevant update has been issued when making a current procurement decision.

RECD Price: Questions to Ask Before Accepting a Quote

Before signing a purchase order, ask:

1. Is this price for the equipment only?

2. Is installation included?

3. Is exhaust fabrication included?

4. Is commissioning included?

5. Are transportation charges included?

6. Are taxes included?

7. What warranty is included?

8. Which components are covered?

9. What service support is available?

10. What exact product model will be supplied?

These questions can prevent unexpected costs later.

A Buyer’s Technical and Commercial Checklist

Before placing an order:

DG Set

Engine manufacturer confirmed
Engine model confirmed
Gross mechanical power recorded
DG kVA recorded
Nameplate photographs collected

RECD Product

Manufacturer verified
Exact model identified
Engine-power range checked
Phase checked
Certification/test information reviewed
Datasheet received

Installation

Exhaust dimensions checked
Site survey completed if required
Fabrication requirements defined
Mounting requirements defined
Commissioning included

Commercial

Equipment price
Installation cost
Fabrication cost
Transportation
Taxes
Other charges
Delivery schedule

Support

Warranty document
Service contact
Maintenance information
Spare-parts availability
Complaint procedure

Common Buying Mistakes

Choosing Solely on Price

The cheapest quotation may exclude important services.

Providing Only the kVA Rating

The manufacturer needs adequate engine information to evaluate the application.

Accepting Generic Certification Claims

Ask for product-specific documentation.

Ignoring Installation

Exhaust configuration can affect the practical installation.

Forgetting After-Sales Support

Service and spare parts matter throughout the product lifecycle.

Using Outdated Regulatory Information

Always verify current official information before finalizing a compliance-related purchase.

Final Thoughts

technical selection, documentation review and commercial evaluationRECD supplier for DG setsBuying an RECD is best approached as a combination of . The first priority is to identify the DG-set engine and its gross mechanical power. Next, establish which RECD product and phase are applicable. Then review certification/test information, installation requirements, warranty and service support. CPCB's published list shows that certified RECD manufacturers have different documented engine-power ranges and Phase I/Phase II applicability. CPCB's published testing procedure covers RECD compliance testing for applicable diesel power-generating-set engines up to 800 kW gross mechanical power. For companies evaluating an , price should therefore be viewed as one part of the overall purchase decision. A proper comparison should include the exact product, technical applicability, supporting documentation, installation, commissioning, warranty and after-sales service.

RECD Manufacturer in India: Price, Products & CPCB Compliance

Comparing Manufacturer Offerings on Cost, Range & Certification to Help You Decide