EPA Requests Outdoor Boiler Organizations to Remove Disputed Efficiency Scores

On May possibly nine, the EPA sent letters to manufacturers of outside boilers requesting that they get rid of effectiveness details for EPA competent designs tested with EPA’s Method 28 OWHH from websites and all printed components. The EPA sent them new hangtags with out efficiencies to exchange the aged kinds.&nbsp
The letters, signed by Gregory Green, Director of the Outreach and Training Division, requested that this be accomplished by June fourteen, giving organizations about seven months to comply. The businesses are also requested to tell their retailers to discontinue use of the aged hangtags and printed components utilizing the aged efficiency numbers.
The EPA’s transfer to quit the use of those discredited efficiency numbers was welcomed by the Alliance for Green heat and a lot of condition organizations and business users.&nbsp&nbsp&nbsp
The request is the most recent twist in a voluntary program that eroded each the EPA’s trustworthiness to test effectiveness and the boiler organizations who continued to use the impossibly substantial numbers. It also gave a significant advertising edge to outdoor boilers who could assert far larger efficiencies than wooden and pellet stoves and automatic European boilers.&nbsp Outdoor boilers analyzed under the unique EPA accepted check have been earning efficiencies of up to ninety seven%.&nbsp
The EPA taken off the performance quantities from their site in 2011 and requested makers to end utilizing them.&nbsp Makers reportedly balked, expressing they would not stop utilizing the higher efficiency quantities until finally their opponents stopped.
Right now, it is unclear how effective Stage two outdoor boilers really are. According to a paper from Intertek, one particular of the leading wood stove examination labs: “With the exception of a variety of examination reports indicating impossibly large efficiencies, the weighted regular efficiencies of appliances conference EPA Stage II emissions limits typical fifty five%.”&nbsp The Point out of Maine gives an estimate of sixty five% effective to Period two outdoor boilers on its fuel calculator and 55% for unqualified boilers.
Relevant stories:


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In Praise of Distributed Renewable Power (and why wood and pellet heat helps make so considerably perception)

Dispersed energy era refers to on-site, locally produced power as opposed to the distant and centralized generation of power that has dominated our nation.&nbsp Sheila and Bill Powers, renewable strength specialists and activists argue why residential solar and biomass need to be the centerpiece of U.S. strength policy, not centralized services owned by firms this kind of as nuclear, gas and coal fired plants or huge solar or wind farms.
“Distributed technology most commonly entails solar photovoltaics (PV), but can also include modest hydroelectric, modest-scale biomass facilities and micro-wind.&nbsp There are numerous rewards to dispersed generation when excellent guidelines are applied.&nbsp Foremost is that the bulk of the financial positive aspects of extensively distributed, domestically developed cleanse strength can go straight to price-payer turbines and residence homeowners by means of mechanisms such as the feed-in tariff, a generous for every-kilowatt-hour payment made to ratepayers who generate clear energy on their residences and firms.

“Remote, centralized electricity production and its related transmission are substantially much more vulnerable to significant electrical shutdowns from earthquakes, hurricanes, fires, wind, ice, human error, cyber assault or terrorism than distributed era.

“Because distributed energy can be regionally created, regionally owned and domestically eaten – bringing both financial benefits and positions to communities – there is usually significantly less regional opposition to employing dispersed vitality projects than to building (and funding) centralized, huge-scale energy assignments.&nbsp Big-scale renewable strength projects – this sort of as most proposed solar energy crops and industrial wind technology sited in remote areas – symbolize a continuation of the previous paradigm of big scale industrial development, owned and managed by monopoly pursuits which externalize the vast majority of their expenses onto ratepayers, taxpayers and the surroundings even though privatizing the revenue.&nbsp In distinction, small scale initiatives are frequently strongly meant by regional communities.”
Sheila Powers is a citizen activist with solardoneright.org.&nbsp For numerous a long time she has been studying the economic, political and authorized biases that promote industrial-scale vitality development even though artificially impeding the growth of environmentally sound distributed era.&nbsp Monthly bill Powers is the principal of Powers Engineering, an air-top quality consulting engineering company recognized in 1994.&nbsp
The previously mentioned prices are taken from a longer essay which appeared in the e-book “Energy: Overdevelopment and the Delusion of Countless Growth” by the Put up Carbon Institute, http://www.postcarbon.org/write-up/1575982-the-coming-crash-our-addiction-to.


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Innovation and the NSPS Webinar (Total Video clip)

On May nine, 2013, the Alliance for Eco-friendly Heat and the Biomass Thermal Vitality Council (BTEC) co-hosted a webinar with the EPA on how the new wood heater New Source Performance Requirements (NSPS), which may be promulgated as early as 2014, may encourage or discourage innovation in wooden and pellet stoves and boilers. The EPA’s Gil Wooden, Undertaking Lead of the NSPS, offered an explanation of the new wooden heater NSPS and answered attendee concerns that experienced been asked for in advance.

This webinar was&nbsp held in the guide up to the Wooden Stove Layout Challenge, a countrywide competitiveness to promote extremely clean, effective, innovative and affordable cordwood technological innovation. The total recording is under and the slides are available for viewing below.

Introduction: :00 – seven:54.
Presentation by Gil Wood: seven:fifty four – forty six:33.&nbsp
Q&ampA Session: forty six:33 – 1:33:00.&nbsp &nbsp &nbsp


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A Overview of Wooden and Pellet Stove Effectiveness Rankings Much more Companies Publishing Verified Efficiencies

A lot more stove makers are submitting third party confirmed efficiency figures on the EPA’s list of accredited wooden and pellet stoves, providing these shoppers who really treatment about confirmed effectiveness quantities a lot more possibilities. Even so, there are nevertheless only five firms who submit the confirmed performance of at least one of their stoves:&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp Blaze King, Kuma, Jotul, Travis and Woodstock Soapstone.

The Alliance cautions customers from relying on stove efficiency promises posted on producers web sites. Most makers submit efficiencies quantities employing a variety of non-standardized calculations. Almost all post efficiencies employing the European reduced heating worth (LHV) standard, which was used by Congress and the IRS for the federal wood and pellet stove tax credit score, as opposed to the increased heating worth (HHV) normal utilized by the EPA. See this Wikipedia page for far more about the variation among LHV and HHV.

The EPA has never ever required stoves to be examined for effectiveness but strategies to do so in the following 18 – 24 months. &nbspOnce that occurs, shoppers will be capable to make far more informed alternatives.

Examined efficiencies of wooden stoves are much less crucial than pellet stoves, simply because effectiveness is greatly dependent on the dampness articles of your wooden and how nicely you operate your stove. With pellet stoves, the lab examined effectiveness numbers are much more representative of efficiencies you are likely to get at property (though pellet stoves that do not have ash cleaned and regular maintenance and yearly comprehensive cleanings will get rid of efficiency.)

Wood Stoves with Verified Efficiencies

There are now three manufacturers putting up verified efficiency numbers on the EPA record for non-catalytic stoves and a few for catalytic stoves. Amongst the non-cat stoves, Blaze King’s Scirrocco and Ashford are 75% successful, Kuma’s Tamarack is seventy three%, Blaze King’s Briarwood is 71% and the Jotul F602 is 70%. These are all HHV figures and significantly over the 63% HHV default performance price for non-cat stoves on the EPA record. (These verified efficiencies, ranging from 70 -seventy five% HHV, would be roughly seventy seven-83% LHV and as a result all easily qualify for the federal tax&nbspcredit.)

There are also three producers publishing effectiveness quantities for their catalytic stoves. Blaze King has five designs among 77 and eighty two% effectiveness. Woodstock as a single model at eighty one% and Travis has two, each at eighty%. &nbspOf all the wooden stove companies that checklist 3rd-social gathering, verified efficiencies on the EPA list, Blaze King is the only organization that lists verified efficiencies for all their stoves. &nbspThe others only record it for one particular or two versions.

Pellet Stove with Verified Efficiencies&nbsp

As of March 2013, there is only one particular pellet stove firm with a verified effectiveness on the EPA checklist – Seraph Industries. &nbspUnfortunately, the EPA mistakenly listed their LHV amount and recurring ask for by the Alliance for Environmentally friendly Heat has not resulted in a correction. &nbspThe Illinois dependent firm, Seraph Industries, experienced their stoves qualified after screening by Intertek labs, which confirmed 77% HHV performance. &nbspIt is essential to be aware that even although the Seraph Genesis stoves at seventy seven% are considerably less than the seventy eight% EPA default effectiveness for pellet stoves, they are probably amongst the most efficient US manufactured pellet stoves. &nbspThe regular effectiveness of US made pellet stoves is almost certainly about 70% HHV, based mostly on many 3rd party research.

Seraph’s site&nbspdoes not help to decrease the confusion. &nbspLike almost all stove producers, they only list their LHV effectiveness and do not tell buyers that they figures are LHV, not HHV, or that their inclusion on the EPA list erroneously uses the LHV quantity.

Pellet stoves have considerably wider variability in effectiveness than cat or non-cat wooden stoves, and some shoppers are inadvertently getting versions that are below sixty% or even 50% successful regardless of higher promises by manufactures.

Suggestions for Shoppers

For now, the safest point for shoppers who want higher efficiency pellet stoves is to get stoves that are EPA accredited or are manufactured in Europe. A broad assortment of benefit and large-stop pellet stoves are EPA qualified from companies these kinds of as Harman, US Stove, Englander, &nbspLennox and Seraph. &nbspEPA accredited stoves have a tendency to be much more efficient because uncertified ones can have extra air in the combustion chamber that can dramatically reduce efficiency.

The typical effectiveness of a catalytic stove on the EPA record is 80% HHV, in contrast to seventy two% HHV for a non-catalytic stove. The regular pellet stove is believed to be only all around 68% HHV productive. The regular particulate emissions for a stove on the EPA listing is one.6 grams per hour for a cat and three.three grams for every hour for a non-cat. Decrease grams of particulates per hour can imply increased performance, but there is not always a immediate correlation.

The Alliance for Environmentally friendly Warmth commends these companies for submitting confirmed HHV effectiveness figures to the EPA so consumers have access to dependable performance info. The Alliance urges shoppers to take into account acquiring stoves from companies who are clear and offer confirmed effectiveness info to the community.

For much more history on this concern, see:

http://forgreenheat.blogspot.com/2012/ten/epa-begins-listing-actual-efficiencies.html

http://forgreenheat.blogspot.com/2012/ten/minimum-wood-stove-efficiency-specifications.html

http://www.chimneysweeponline.com/woodefficiency.htm&nbsp
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Alliance for Inexperienced Heat Seeks Board Users

The Board of Directors of the Alliance for Green Heat is seeking nominations for added Board members who can assist increase money, hook up with key constituency groups and offer assistance to the group. The Alliance for Green Warmth was launched in 2009 as an independent 501c3 non-revenue business advertising cleaner and a lot more efficient residential wooden and pellet heating. The Alliance focuses on the passions of consumers, low-earnings populations and communities that expertise higher stages of wooden smoke. Our 2013 flagship system is the Wood Stove Layout Problem, a technological innovation competitors modeled soon after the DOE’s Photo voltaic Decathlon that encourages, showcases and exams modern technologies that may guide to cleaner and more productive wooden heating.

The Alliance has a budget of $ a hundred and seventy,000 in 2013, a complete-time employees of two and a five member Board. Nominations ought to include a brief assertion about the candidate’s qualifications and despatched to information@forgreenheat.org by Friday, June 28.
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