Manufacturer hassle free warranty is a FARCE
Purchased and installed  wk of Dec 1, 2020. Worked for 2 1/2 mos. and replace bulb lite started flashing. troubleshot unit and defective. Contacted Mfr. support on March 1, 2020. Had correspondece with support every day for the last 5 days. Now they want a video?  I owned my own company for over 15yrs.licensed to sell and install HVAC equipment and a journey man electrician. I have lost any confidence with BIO_SHIELD. Don't waste your money.
Rating: 5 stars