Wood Burning Standards & Regulations

STANDARDS

Standards are publications that establish accepted practices, technical requirements and terminologies for products, services and systems. Standards help to ensure better, safer and more efficient methods and products, and are an essential element of technology, innovation and trade.
Standards are developed through consensus by committees of affected stakeholders that may include representatives from industry, government, academia and the public interest. These committees are established and managed by an organization that specializes in the development of standards.
Most standards are voluntary—there are no laws requiring their application. However, an increasingly competitive marketplace for goods and services means that more and more customers are demanding adherence to specific standards. Governments also make some standards mandatory by referencing them legislatively or through regulations.
Visit the following standards providers to purchase full versions of any standard.
Online text of the standards is often available to view free of charge as well.

Product Safety Standards

CSA B366.1-11 – Solid-Fuel-Fired Central Heating Appliances

This Standard applies to manually or automatically fuelled solid-fuel-fired central heating appliances that have an input rating not exceeding 300 kW (1 000 000 Btu/h) and provide for venting directly to the outdoors by means of flue pipes, chimneys, etc.

For the purposes of this Standard, the term “solid fuel” includes, but is not limited to, coal and biomass fuels such as cordwood, chips, sawdust, wood and paper pellets, and corn.

CAN/ULC-S604 – Factory-Built Type A Chimneys

This Standard applies to Factory-Built Type ‘A’ Chimneys, which do not require field fabrication. They are for use with gas and liquid fuel-fired residential appliances and building heating equipment, where the appliance or equipment flue-gas temperatures do not exceed 540 °C

CAN/ULC-S609 – Low Temperature Vents Type L and PL

This Standard applies to the design and construction of Type L and PL vents.

CAN/ULC-S610 – Factory-Built Fireplaces

This Standard applies to factory-built fireplace systems capable of utilizing solid fuels, as specified by the manufacturer, and intended for provision of supplementary heating in buildings. These fireplace systems include a fire chamber assembly, chimney sections, a roof assembly, and other associated parts. Factory-built fireplace systems covered by this standard are not for use with masonry chimneys.

ULC-S627 – Space Heaters for Use with Solid Fuels

This Standard applies to hand-fuelled solid-fuel fired space heaters of the radiant, convection or forced-circulating type, intended for residential heating.

ULC-S628 – Fireplace Inserts

These requirements cover prefabricated fireplace inserts for masonry fireplaces and appliances intended to be vented through the throat of a masonry fireplace. These appliances are designed for burning solid fuels such as wood and coal. This Standard covers catalytic combustors utilized with fireplace inserts. NOTE: Installation of glass doors to existing masonry fireplaces is not covered by this Standard.

CAN/ULC-S629 – 650°C Factory-Built Chimneys

This Standard applies to apply to Factory-Built Chimney assemblies which do not require field fabrication. They are for use with gas, liquid and solid fuel-fired residential appliances and building heating equipment, where the flue-gas temperatures normally do not exceed 650 ºC.

ULC-S632 – Heat Shields

This Standard applies to the construction and performance of heat shields intended to reduce the specified minimum clearances for heat producing appliances to combustible vertical construction assemblies (ie. walls, partitions). The requirements apply to regular and corner installations only and do not cover alcove installations.

CAN/ULC-S635 – Lining Systems for Existing Masonry or Factory-Built Chimneys and Vents

This Standard applies to the construction and performance of heat shields intended to reduce the specified minimum clearances for heat producing appliances to combustible vertical construction assemblies (ie. walls, partitions). The requirements apply to regular and corner installations only and do not cover alcove installations.

CAN/ULC-S639:2018 – Standard for Steel Liner Assemblies for Solid-Fuel Burning Masonry Fireplaces

This Standard applies to prefabricated steel liner assemblies incorporating a flue damper, smoke chamber and associated accessories for masonry fireplaces. They are intended as an alternate form of construction to conventional fire brick liners and metal dampers.

CAN/ULC-S640 – Lining Systems for New Masonry Chimneys

This Standard applies to lining systems intended for field installation in new masonry or concrete chimneys.

CAN/ULC-S641 – Factory-Built Chimney Connectors and Wall Pass-Through Assemblies

This standard applies to factory-built chimney connectors and wall pass-through assemblies that do not require field fabrication. They are for use with gas, liquid, and solid-fuel-fired residential appliances and building heating equipment where the flue-gas temperatures do not normally exceed 650°C.

ULC/ORD-C959 – 540°C and 760°C Industrial Chimneys

These are factory-built industrial chimneys intended for use with certain process equipment and large oil or gas burning building heating appliances normally producing flue gas temperatures of 5A0°C or 760WC, or less as applicable.

ULC/ORD-C2162 – Commercial Wood-Fired Baking Ovens, Refractory Type

These requirements apply to commercial wood-fired ovens intended for use by commercial establishments for the purpose of cooking or baking food products utilizing solid wood fuel. These ovens utilize as their primary enclosure, refractory materials.

ASTM E 1509 – Standard Specification for Room Heaters, Pellet Fuel-Burning Type

This specification covers performance requirements, test methods, and marking requirements for automatic feed, pellet fuel-burning room heaters that are intended to burn wood pellets or other suitable solid fuel. These room heaters shall be drafted by forced or natural means.

Performance Standards

EPA 80 FR 13672 – Standards of Performance for New Residential Wood Heaters, New Residential Hydronic Heaters and Forced-Air Furnaces (often referred to as “NSPS”)

This standard applies to:

  • Heating Equipment (except Warm Air Furnaces) Manufacturing. 
  • Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing.
  • Testing Laboratories (except Medical, Veterinary).

Examples of Regulated Entities:

  • Manufacturers, owners and operators of wood heaters, pellet heaters/stoves and hydronic heaters.  
  • Manufacturers, owners and operators of forced-air furnaces.
  • Testers of wood heaters, pellet heaters/stoves and hydronic heaters

View the full standard from the United States Environmental Protection Agency

View the EPA-Certified Wood Stove Database

See the latest developments on this standard on the HPBA New Source Performance Standards (NSPS) webpage

CSA B415.1-10 (R2015) – Performance Testing of Solid-Fuel-Burning Heating Appliances

This Standard specifies requirements for performance testing of solid-fuel-burning heating appliances, including maximum emission rates.

This Standard specifies a method for determining

(a) heat outputs
(b) appliance efficiencies
(c) emission levels and composition and
(d) flue gas flow rates

This Standard applies to

(a) manually and automatically fuelled stoves and fireplace inserts
(b) factory-built fireplaces with a minimum burn rate less than 5 kg/h (11 lb/h), as determined in accordance with Clause 7 and
(c) furnaces and hydronic heaters designed to have the useful heat produced by the appliance conveyed to areas remote from the appliance by ducting or plumbing.

Note: Typically, units tested under this Standard will have outputs less than 150 kW (500 000 Btu/h). For the purposes of this Standard, solid-fuel-burning appliances include manually and automatically fuelled systems (including add-ons and combinations).

Purchase the full standard from the CSA Group

EN 303-5 – Heating Boilers for Solid Fuels, Manually and Automatically Stoked, Nominal Heat Output of up to 500 kW

This European Standard applies to heating boilers including safety devices up to a nominal heat output of 500 kW which are designed for the burning of solid fuels only and are operated according to the instructions of the boiler manufacturer.

This European Standard contains requirements and test methods for safety, combustion quality, operating characteristics, marking and maintenance of heating boilers. It also covers all external equipment that influences the safety systems (e.g. back burning safety device, integral fuel hopper).

This European Standard covers only boilers that include burners as a unit. The standard applies to the combination of a boiler body with a solid fuel burner according to EN 15270 as a unit only when the whole unit is tested in accordance with this European Standard.

Purchase this standard from the European Standards Online Store

ASTM E2515 – Standard Test Method for Determination of Particulate Matter Emissions Collected by a Dilution Tunnel

This test method is applicable for the determination of particulate matter emissions from solid-fuel-burning appliances including woodstoves, pellet-burning appliances, factory-built fireplaces, masonry fireplaces, masonry heaters, indoor furnaces, and indoor and outdoor hydronic heaters within a laboratory environment.

ASTM E3053 – Standard Test Method for Determining Particulate Matter Emissions from Wood Heaters Using Cordwood Test Fuel

This test method covers the fueling and operating protocol for determining average particulate matter emissions from wood fires in wood-burning room heaters and fireplace inserts as well as options for determining heat output, efficiency, and carbon monoxide emissions.

Installation Standards

CSA B365-10 – Installation Code for Solid-fuel Burning Appliances and Equipment

This Code specifies requirements for the installation, alteration, and maintenance of solid-fuel-burning appliances and equipment installed indoors or outdoors.

RSF Fireplaces Opel 2 Plus

Quadra-Fire Discovery II

Regency Fireplaces Pro-Series CI2700

NATIONAL BUILDING CODE

The National Building Code of Canada 2015 (NBC), is published by National Research Council (NRC) and developed by the Canadian Commission on Building and Fire Codes. The National Building Code sets out technical provisions for the design and construction of new buildings. It also applies to the alteration, change of use and demolition of existing buildings.
The National Building Code is a model code, which means that it does not have any force unless and until it is adopted into law by an authority having jurisdiction, such as a provincial government.
Order full copies of these documents online at the National Research Council Canada Virtual Store.
2010 National Building Code

As per section 9.36.3.10. (Equipment Efficiency) in the 2010 National Building Code:

HVAC equipment and components shall comply with the performance requirements stated in Table 9.36.3.10:

  • Solid-fuel-burning space-heating equipment: EPA 40 CFR, Part 60, Subpart AAA (2008) or CSA B415.1-10
  • CSA B415.1 does not apply to stoves with an oven whose volume is greater than 0.028 m3 and automatically fuelled appliances.
2015 National Building Code

As per section 9.36.3.10. (Equipment Efficiency) in the 2015 National Building Code:

HVAC equipment and components shall comply with the performance requirements stated in Table 9.36.3.10:

Solid-fuel-burning space-heating equipment: EPA 40 CFR, Part 60, Subpart AAA (2008) or CSA B415.1-10

  • Solid-fuel-burning space-heating equipment: EPA 40 CFR, Part 60, Subpart AAA (2008) or CSA B415.1-10
  • CSA B415.1 does not apply to stoves with an oven whose volume is greater than 0.028 m3 and automatically fuelled appliances.
2020 National Building Code (Still in draft)

Jøtul F 500 V3 Oslo

Napoleon High County NZ8000

PROVINCIAL BREAKDOWN

Certification Requirements in Canada Summary

HPBA Canada has received an important interpretation from the National Research Council of Canada, relating to the National Building Code.

The implication of this interpretation allows wood burning appliances certified to the Pre-Step 1 standard (1988) or better to be sold / installed in most provinces in Canada.

Here is a short breakdown:
Quebec and BC – Will require Step 2 certification after May 15, 2020
Ontario – Requires Step 1 Certification
All other jurisdictions – Require Pre-Step 1 Certification. (To elaborate, these jurisdictions require an appliance to be certified to the NSPS standard as it read in 2008. As we know, in 2008, the 1988 standard was still in place.)
Nunavut: No certification requirement

Of course, appliances certified to the CSA B415.1 standard are permitted in all jurisdictions.

A summary document that reflects these newly clarified requirements is available for download.

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