An open letter to Mayors of Comox, Cumberland and Courtney about wood smoke

Dear Mayors Arnott, Baird and Wells,

As representatives of a pro-wood heating non-profit, the Alliance for Green Heat, we are writing to express concerns about information in the “Overturn the Ban” website.

We want you to know that there are many members of the hearth industry that support reasonable, health-based restrictions on wood stoves. We understand that the primary restriction in your towns are disallowing new installs of wood stoves, which is an imperfect, but reasonable strategy. Allowing or even requiring homes with existing stoves to upgrade to a new one and destroy the old one, is also reasonable. However, we do urge towns and cities not to restrict or ban the new installation of pellet stoves, as they burn consistently cleanly, something the Overturn the Ban site omits to mention. We also urge jurisdictions not to restrict or ban masonry heaters because they are typically very clean and efficient, though very expensive.

All renewables have limitations, and in communities with frequent inversions, wood stove installation and usage often need to be limited. Wood and pellet heaters have an important role to play in providing renewable energy in North America, but that does not mean they are well-suited for every community.  They are usually least well-suited in densely inhabited urban centers, but even in rural areas that experience frequent inversions, reasonable restrictions make sense.

The adjoining towns of Comox,
Cumberland and Courtney are at the  
center of this map on Vancouver
Island, British Columbia.

One troubling half-truth promoted by the website is that new wood stoves operate far more cleanly than old ones.  Any wood stove that is loaded with wet wood and/or not given enough air is more likely smolder  and thereby smoke terribly and easily emit 25 grams of PM2.5 per hour. Some estimates say that up to 50% of stove users do not use seasoned wood. An operator of a brand-new stove causing it to produce high emissions is unfortunately not a rare occurrence.  If an old and a new wood stove get the same dry wood or even semi dry wood, the new one will almost always burn cleaner.  However, that stove can still emit 5 grams an hour of PM or more, which is excessive during an inversion. 

 

New EPA regulations require that stoves not emit more than 2.5 grams an hour in a very controlled lab setting and in the hands of trained experts.  The EPA standard is not an estimate of emissions produced by homeowners, who may rarely achieve an average of 2.5 grams an hour. With pellet stoves, the emissions measured in the lab are consistent with the emissions in consumers' homes because the fuel is consistently dry and uniform, and the combustion chamber is automated.  

 

Masonry stoves tend to be consistently clean not just because of their design, which makes the fuel burn hot and fast, but also because of the culture of users of this niche technology. Their main distinguishing feature is the ability to store the heat from a short hot fire for slow release over a daily heating cycle. Seasoned cordwood burned this way has been demonstrated in real world testing to have PM2.5 emissions in the same range as pellet stoves

 

You should also know that most wood stove companies had a very good sales year in 2020, despite what they feared when Covid-19 began.  And, in the US Congress just passed a 26% tax credit for the most efficient stoves, so sales in the US by all the major manufacturers will be bolstered for the next three years.  

 

Possibly the top consumer education website on wood heat in North America is a Canadian one, Woodheat.org.  It wisely begins by saying, “wood heating can be done badly or well. Firewood can be harvested poorly, burned dirty and its heat wasted.”  Wood heating is done well depending on three things: a good stove, an experienced and attentive operator and seasoned wood.  

 

Please let us know if you have any questions and know that many of us who burn wood and pellets are responsible environmentalists.

 

Sincerely,

 

John Ackerly,

President

Maryland, US

 

Norbert Senf

Chairman of the Board

Quebec, Canada

Clearing the Air in Utah: A Wood Stove Compromise

Republican Governor Gary Herbert
directed his air quality staff to prepare
a draft rule banning wintertime stove use.

Utah Governor Herbert’s proposal to ban wintertime use of residential wood and pellet stoves started a debate on the wrong foot.  But it is vital that something is done and there are several ways that wood smoke can be reduced on the Wasatch Front around Salt Lake City.

[Update, Jan. 20: In a setback to the stove industry campaign, Salt Lake County voted to ban use of all stoves during both voluntary and mandatory air action days as of 2016.]

First, a phase out of all uncertified wood stoves is both realistic and effective.  A phase out would mean that stoves made before 1988 could not be legally used after a certain date, such as January 1st, 2017.  Before that date, the state could offer a tax credit to people who turn in their old stove and upgrade to an EPA-certified pellet stove or gas stove.  This would protect the investment of anyone who bought a new EPA-certified wood stove in the last 25 years.

A series of public hearing on the
proposed ban have elicited over-
whelming popular opposition.

Second, all existing stoves could be grandfathered, but there also could be a ban on installing new fireplaces or wood stoves in homes in the non-attainment area.  Pellet stoves could still be installed as they can’t spew excessive smoke like wood stoves can if they are not operated correctly. Many towns and valleys with bad inversions have stopped the new installation of fireplaces and wood stoves.

Third, as long as people can still buy and install wood stoves and fireplaces, Utah could require that they be among the cleanest in the country.  Next year the national standard will be 4.5 grams an hour for wood and pellet stoves.  On the Wasatch front, you could require new stoves not to emit more than 3 or even 2 grams an hour.  

No matter what strategy Utah chooses, the state must commit more resources to implement and enforce it – even in the unlikely event they choose a full seasonal ban.  There will need to be trained compliance officers responsible for educating homeowners, inspecting homes, issuing warnings and, as a last resort, fines.  Typically there will be a minority of people who create the most smoke.  If those people can’t or won’t operate their stoves in a way that doesn’t create excessive smoke, fines should be imposed, just as fines are imposed for excessively loud music or any number of other nuisances. 

In mountain valleys, wood smoke can
make up more than 50% of PM during
inversions.  In the Salt Lake area, its
less than 10%.

Most appliances are only regulated at the point of manufacture.  After we purchase them, we are free to use a refrigerator or washing machine as long as we want, and abuse them in any way if we so choose.  But for big emitters like cars and stoves, some measures to ensure ongoing pollution reduction can be warranted. For better or worse, many wood stoves last even longer than the best-made refrigerators or washing machines.  Consumers tend to want to upgrade all sorts of appliances far sooner than they want to upgrade their wood stove.  But the benefits of upgrading to a new stove are similar in that consumers are getting a far more efficient and cleaner device.  And some good, new wood stoves cost as little as $700 at big-box hardware stores.

We think the solution to reducing wood smoke involves phasing out old stoves and issuing periodic

Salt Lake City, during one of their
frequent wintertime inversions.

fines to people who can’t operate their EPA certified stoves in ways that don’t make them belch excessive smoke.  A compromise of limiting the seasonal ban to fewer counties in Utah and half the duration – Jan. 1 to Feb. 15th, instead of Nov. 1st to March 15th – is an option, but not a popular one.  It may not be an effective one, either.

As a society, we need to encourage the responsible use of renewable energy and support household energy security.  Pellet stoves are already an environmentally responsible way to heat homes.  Wood stoves can be, but are more complicated, especially in densely inhabited areas with inversions.  A wood stove is a far bigger emitter of pollution than a car, and we need to start thinking about them as such.  Just as many states require emission testing when a second hand car is sold, Oregon has begun requiring the removal of an old stove when a house gets sold.  These are the sorts of solutions that can also work in Utah.

Governor Herbert is ready to make some tough decisions in order to accomplish something everyone wants – cleaner air. This proposal goes too far, but there are many other measures that can work, while respecting the ability of responsible stove owners to use a renewable resource to heat their home.  Regardless, Governor Herbert needs to show that he is ready to provide some more funding and resources to enact and enforce changes.  Otherwise, all of this controversy just amounts to hot air.

*******

✓ You can submit comments to the Utah Air Quality Board until February 9.  For more info, click here.

✓ For media coverage of the Utah public hearings, click here.

✓ For the AGH position on the industry response to the proposed ban, click on this Facebook post.