Return to Lopez Labs Home Page


2019 MHA Research Heater Tests

Test MHA-1910
February 9, 2019

Random loading, white birch, log cabin stacking, top ignition. Cold firebox, cold fuel
Pieces loaded in order of increasing weight. 2344 stacking.
62.4 lbs including 2.0 lbs kindling
Estimated moisture 15%.
Run #4 of a cold firebox test series. Heater fired every 2nd day.
The Testo data was started 15 minutes before the test. 
USB communication problem with Testo, gas data incomplete.
Dirty start, plugged filter in Condar, no filter change performed

Pisla HTT 602 door, 22" wide
Austrian eco firebox, see  http://www.heatkit.com/research/lopez-2014-03-01.html

This was the 8th full run  using the new automated Condar controller


Condar spreadsheet results at 90 minutes.

Condar Spreadsheet

Testo Raw Data 

Lab Notes 


Testo gas graph.  
There was a USB communication problem, and the Testo had to be restarted several times, with data loss in between.


Random loading, white birch, log cabin stacking, top ignition. Cold firebox.
Pieces loaded in order of increasing weight. 2344 stacking.
62.4 lbs including 2.0 lbs kindling
Estimated moisture 15%.
Run #4 of a col firebox series. Heater fired every 2nd day.


Burn sequence. Time lapse taken at 2 minute intervals. White square marks 90 minutes.


This page was updated on February 11, 2019
This page was created on February 11, 2019