I haven't personally had need to do it (yet), but I know multiple people who got the EPA certification to be able to service their own equipment. It can be obt

I haven't personally had need to do it (yet), but I know multiple people who got the EPA certification to be able to service their own equipment. It can be obtained by taking an online test. https://www.epa.gov/section608/section-608-technician-certification-requirements https://www.epa.gov/section608/section-608-technician-certif...