ClearStak is the first EPA approved testing facility for partial thermal storage. Under  ISO-IEC 17025, the testing services offered are: 

 

  • Method 28 (Certification & Auditing of Wood Heaters)  

  • Method 28 WHH

  • Method 28 WHH Partial Thermal Storage

  • Portable Particulate Testing 

 Testing can be performed on the following appliances: 

 

  • Indoor and Outdoor Hydronic Heaters

  • Pellet Stoves 

  • Woodstoves 

 

Need to get tested? 
Start by completing this worksheet.