Mohr's Furnace & Duct Cleaning is a professional air duct cleaning service based in Princeton, MN. We specialize in providing top-quality cleaning services for residential and commercial properties. Our team of experienced technicians uses state-of-the-art equipment to ensure that your air ducts Furnace, Chimney, Dryer vents, AC & HRV are free of dust, debris, and allergens. Improve the air quality in your home or business with Mohr's Furnace & Duct Cleaning. Our service area includes Princeton, Zimmerman, North Branch, Cambridge, Aisle, Onamia, Hinkley, Pine City, Sand Stone, Milaca, Mora and surrounding areas. IAQ, ASHP, RTU; cleaning for ducts, furnace, dryervents, AC, HRV, Chimney Sweep.