Fall pm on 11/07/19 On arrival set unit to call for heat measured supply and return air temp measured voltage and amps Checked electrical connections checked voltage and amps checked air filter needs to be replaced but customer doesn’t have one also voltage absorption system is below spec so I suggested replacing now to avoid future problems I gave quote for customer accepted replaced the voltage absorption system also aprilaire air filter model #413 checked blower motor checked EWP and LWP it was low I pump it back up 65/60 Psi checked water temp unit tested unit operating very smoothly without any hesitating or lag unit operating normal at this time. Recommended duct cleaning and uv lights installation also single or hole house surge protector to avoid future problems. Collected $95 for capacitor replacement and $63.75 for aprilaire air filter model #413 replacement total $158.75 on C.C on file.