CO Monitor Comparison

Carbon Monoxide Monitor Comparison

UL Listed Alarms

Low Level Monitors
NSI 3000
Low Level Monitor
Professional grade sensor




1st visual readout at 5 ppm within 30 seconds X
Low audible alarm level at 15 ppm after 5 minutes     X
High level audible alarm at 35 ppm after 5 minutes     X
Crisis audible alarm level at 70 ppm after 30 seconds X** X X
Manual silence button at low levels   X X
Cannot be silenced at crisis levels     X
Protection for all ages   X X
Digital memory with recall X* X X
Continuous on-screen display     X
Digital CO readout X* X X
CO display range from 5-999 ppm     X
Battery operated X* X X
Can be installed at eye level X* X X
Can be converted to tabletop use   X
Sensor can be checked with match smoke   X X
User response instructions printed on unit     X
Minimum 3-year warranty X*   X
Maximum protection for all age groups     X
Notes: ppm = parts per million ** - Allowed to take up to 240 minutes to alarm * - Available only on a few models
24 Hour Emergency Service • Call Us Today • (763) 515-0166 • or • Fill Out Our Online Form
We service most Furnace brands and models near Hanover MN.
Business Address:
18071 Territorial Rd.
Maple Grove, MN 55369
Contact Us
Schedule your Furnace replacement in Maple Grove MN.
Company Phone:
Phone: (763) 515-0166
For Furnace repair in Hanover MN, like us on Facebook!
For Furnace repair in Maple Grove MN, visit us on Google!
For Furnace repair in Maple Grove MN, follow us on Twitter!
Looking for Furnace repair service in Maple Grove MN? - Check out our YouTube channel.
Home   |   Email Us   |   Schedule Service   |   Get a Quote   |   Ask a Tech   |   Maintenance   |   Employment   |   Privacy Policy