I do HEPA long-time (great if you get hayfever too); adding UV-C (not with ozone) ...
The maximum power drawn by the AR-10 is 38W; it highly depends on your energy supplier how much it will cost per hour.
Feb.24, 2022 Column: Are electromagnetic weapons involved? Taking victims of 'Havana syndrome' seriously - Los Angeles Time https://www.latimes.com/opinion/story/2022-02-24/electromagnetic-weapons-havana-syndrome
Los Angeles Times
Column: Are electromagnetic weapons involved? Taking victims of 'Havana syndrome' seriously
Thousands of private citizens have reported being targeted by dark agencies for years. Could they help solve the mystery?