Hamer Hot Ones vs. TruWood (Pellet Ash & Heat Test)
There is no reliable winner between Hamer Hot Ones and TruWood without matched tests on identified pellet lots. In the same approved stove, compare equal weighed amounts under the same settings, then record burn time, flame behavior, feed issues, and ash mass. Treat the result as a stove-and-lot comparison, not a universal brand rating.
Pellet bags can look similar while behaving differently in a particular stove. But one burn in two different appliances, or even in the same stove before and after a deep clean, cannot fairly rank the fuel. Ash left from the first brand can skew the next result, and changing feed settings can change burn time and heat delivered to the room.
I compare pellets by controlling what I can and recording what I cannot. The method below lets you test Hamer Hot Ones and TruWood without claiming a laboratory heat value or a brand-wide result from one bag. You will need a scale, a notebook, identified bags, and a stove approved for the pellets.
What a fair Hamer Hot Ones and TruWood test can tell you
A fair test compares the two fuels in the same pellet stove, at the same settings, with the same cleaning method and similar room conditions. It can show how those specific lots perform in that appliance. It cannot, by itself, prove that one brand always burns hotter or makes less ash.
Pellet heating value means the energy released by a given mass of fuel. Measuring it accurately requires controlled lab equipment, not just a stove thermometer or a longer burn. Stove output also depends on feed rate, airflow, appliance condition, and venting, so household results are useful for choosing fuel but are not a direct fuel-energy measurement.
Record the bag’s product name, lot or date code, and any grade claim before opening it. Keep the label or take a clear photo. If the bags have no matching lot information, note that too; a result from one bag is not evidence about every bag sold under that brand.
Key takeaway: Compare specific, labeled lots in one appliance. Do not treat a household burn as a certified BTU test.
Equipment setup and safety prep
Use only fuel types and pellet sizes approved by your stove’s manufacturer. Check the manual for operating settings, cleaning steps, venting requirements, and warnings about electrical and fire safety. Let the appliance cool before cleaning or touching internal parts, and keep a working carbon-monoxide alarm nearby.
For a useful comparison, prepare:
- A scale that can weigh the pellet amounts you plan to burn.
- A separate container for each brand and lot.
- A notebook or spreadsheet for settings, times, temperatures, and observations.
- The stove manual and the same cleaning tools for both test runs.
Use the same stove, feed and air settings, and test location for each brand. Keep doors and windows, room airflow, and other conditions as consistent as practical. Do not adjust controls to force one fuel to burn better. If the stove calls for a particular setting or fuel, follow the manual.
Pellets must be dry and in good condition. Store bags sealed, off concrete, and protected from rain and ground moisture. Wet or degraded pellets may swell and create excess fines, the small bits and dust that can disrupt feeding. If the feed system jams or the stove burns poorly, stop. Let it cool, then inspect and clear it according to the manual. Never reach into an operating feeder or bypass a safety interlock.
Key takeaway: A safe, repeatable setup matters more than an impressive-looking flame.
Step-by-step field test for heat and ash
A controlled sequence limits carryover from one brand to the next. Clean the appliance first, run each fuel at matched settings, and collect ash in the same way each time. Repeat the test if practical. Write down every result, including problems; a failed or uneven burn is important information, not a result to hide.
- Inspect and clean. With the stove cool, clean the burn pot and ash areas as directed by the manual. Start each brand’s test from the same clean condition.
- Run to stable operation. Use the manufacturer’s instructions and record the stove setting. Do not begin timing while the flame or stove is still settling.
- Weigh the fuel. Measure the same starting mass for each brand. If you are measuring a fixed burn period instead, use the same duration and record the mass consumed. Do not mix methods between brands.
- Record performance. Note burn duration, room temperature, stove setting, flame changes, feed reliability, and any clinkering. Clinkers are hard fused deposits that can affect combustion or obstruct the burn pot.
- Cool and collect. After the test, allow the stove to cool fully. Collect ash separately and use the same collection areas and tools for both brands.
- Repeat if possible. Test another bag or lot to see whether the first result repeats. Keep each result tied to its bag and lot code.
Use this formula for ash percentage:
Ash percentage = dry ash mass ÷ pellet mass burned × 100
For example, if 2,000 grams of pellets were burned and the collected dry ash weighs 16 grams, the measured ash percentage is 0.8%. This figure is meaningful only when you use the same method for both fuels. State whether you collected ash from the burn pot alone or from all accessible ash areas; those methods are not directly comparable.
| Record | What to write down | Why it matters |
|---|---|---|
| Fuel identity | Brand, bag label, lot or date code | Ties results to the tested pellets |
| Fuel amount | Starting mass and, if measured, mass burned | Makes the comparison more useful |
| Stove conditions | Setting, test duration, room temperature | Shows whether conditions matched |
| Combustion | Flame changes, feed issues, clinkering | Helps explain uneven performance |
| Ash | Mass and collection areas | Supports a like-for-like ash comparison |
Key takeaway: Keep the method identical. A small difference in ash collection can matter more than a small difference in the final number.
How to interpret the results without overclaiming
Lower measured ash means less residue was collected under your test method. It does not automatically mean more heat, better efficiency, or fewer cleanings in every stove. Likewise, a longer burn or warmer room does not prove higher fuel heat content if the burn rate, appliance output, or room conditions changed.
A useful household comparison is practical rather than absolute. If one lot feeds steadily, burns without abnormal smoke, and leaves less ash in repeated matched tests, it may be the better fit for your appliance. But a single bag can differ from the next, and stove condition can affect both brands. Mark your conclusion as “this lot in this stove,” not “this brand always wins.”
The Pellet Fuels Institute (PFI) Premium-grade criteria commonly cited as reference points include moisture at or below 8%, fines at or below 0.5%, bulk density of at least 40 lb/ft³, and ash at or below 1%. These are reference benchmarks, not verified specifications for Hamer Hot Ones or TruWood. Check the current PFI standard and your appliance manual before treating any value as a pass/fail limit. Pellet diameter is commonly ¼ inch, but appliance compatibility is what governs.
An ordinary wood moisture meter may not give a valid pellet moisture result. Use a method made for pellets, or rely on a verified product specification or suitable lab test. For a direct heating-value comparison, seek laboratory calorimetry rather than estimating BTU from room temperature or burn duration.
Key takeaway: Use ash and operating behavior to guide your stove choice, but do not confuse them with a laboratory heat-content result.
Test scenarios and storage through the season
The examples below are test scenarios, not reported results for either brand. They show how to make a fair comparison when your goal is lower ash, reliable feeding, or a check on an unexpected burn. Keep the appliance, settings, fuel mass, and collection method matched in every scenario.
| Your question | Fair approach | What you can conclude |
|---|---|---|
| Which lot leaves less ash? | Burn equal weighed masses, clean between brands, collect the same ash areas | Which tested lot left less collected residue |
| Which feeds more reliably? | Use matched settings and record interruptions and visible feed behavior | Which tested lot behaved better in that stove |
| Why did one run seem hotter? | Repeat under matched conditions and check settings and room temperature | Whether the observation repeats, not the fuel’s exact BTU |
| Did storage affect the result? | Compare properly sealed, dry pellets and record bag condition | Whether damaged or damp fuel may have affected the test |
Keep Hamer Hot Ones and TruWood bags sealed, labeled, and separate by lot. Damp storage can lead to swelling and fines, which may cause feed trouble and make a brand comparison misleading. If your stove manual warns against leaving fuel in the hopper for long periods, follow that guidance.
At season’s end, cool and clean the stove and venting as the manufacturer directs. Arrange qualified service when the manual calls for it. These steps help keep next season’s comparison from being clouded by a dirty appliance or old residue.
Key takeaway: Label every bag and protect it from moisture so you know what you are testing.
Bottom line: choose by repeatable results
There is no verified basis here to name Hamer Hot Ones or TruWood the universal winner. The reliable answer comes from testing identified lots in the same approved stove, then comparing measured ash and operating behavior under matched conditions. If heat content is the deciding factor, use certified product data or a laboratory test rather than a household burn estimate.
Stop testing if you see abnormal smoke, poor combustion, feed failure, or unsafe temperatures. Let the stove cool and inspect it as the manual directs before using it again. Never burn wet, contaminated, treated, or non-approved fuel, and do not modify controls to force a result.
Key takeaway: Buy the lot that performs well in your appliance across repeat tests, and keep the evidence tied to that lot.
Frequently asked questions
These answers separate what a home test can show from what requires product certification or laboratory measurement. For both brands, check the bag label and appliance manual; do not assume a specification that is not shown or verified.
Which pellet brand burns hotter, Hamer Hot Ones or TruWood?
A matched stove test can compare household performance, but it cannot confirm fuel heat content. No brand winner can be stated without verified, comparable test data.
Which brand makes less ash?
Weigh ash from equal pellet masses, using the same stove-cleaning and collection method. Repeat with more than one bag for a stronger indication.
Can I compare the brands in different stoves?
Not as a valid head-to-head test. Differences in appliance design, settings, and condition can change the result.
Should I clean the stove between brands?
Yes. Cool and clean it according to the manual between runs so residue from the first fuel does not affect the second.
Is a longer burn proof that pellets have more BTUs?
No. Burn time also depends on feed rate and stove settings. It does not establish fuel heat content by itself.
What ash percentage should I look for?
PFI Premium-grade criteria commonly include ash at or below 1%, but confirm the current standard. That benchmark is not a verified claim about either brand.
Can a regular wood moisture meter test pellet moisture?
Do not assume it can. Use a method designed for pellets or rely on verified specifications or lab testing.
What if pellets have lots of dust or swollen pieces?
Do not use visibly wet or degraded fuel. It can cause feed problems; stop the stove, let it cool, and inspect it by the manual.
How many bags should I test?
One bag gives an initial indication. Testing multiple bags or lots helps show whether the result repeats.
Can I change the feed setting to improve one brand’s result?
Do not change settings to force a burn. Use the manufacturer’s approved settings and apply the same conditions to both fuels.
(This article was written by one of our staff writers, Samuel Vance. Visit our Meet the Team page.)
