What Are We Doing to Protect You?    New Protocol for COVID-19
Check out our Furnace repair service in Littleton CO
18436 Longs Way, Suite 101 • Parker, CO 80134

Serving Southeast Denver Metro Area

CO Detector

CO Detector

CO Detector/Alarm

An important line of defense for the ones you love
Not too long ago, carbon monoxide detectors were only for people who had sophisticated alarm systems in their homes. Effective July 1, 2009 carbon monoxide alarms are now required in most single-family homes. This is the safest way to protect your family from deadly carbon monoxide poisoning.

Approximate Carbon Monoxide Inhalation Time and Toxic Symptoms

Concentration of CO in the air: ppm=parts per million

  • 50 ppm - The maximum allowable concentration for continuous exposure in any 8 hour period.
  • 200 ppm - Slight Headache, fatigue, dizziness, nausea after 2-3 hours
  • 400 ppm - Frontal headaches within 1-2 hours, life threatening after 3 hours
  • 800 ppm - Dizziness, nausea and convulsions within 45 minutes. Unconsciousness within 2 hours. Fatal within 2-3 hours
  • 1,600 ppm - Headache, dizziness and nausea within 10-20 minutes. Fatal within 1 hour.
  • 3,200 ppm - Headache, dizziness and nausea within 5-10 minutes. Fatal within 25-30 minutes.
  • 6,400 ppm - Headache, dizziness and nausea within 1-2 minutes. Fatal within 10-15 minutes.
  • 12,800 ppm - Fatal within 1-3 minutes.


First Alert C0410 Battery Powered Carbon Monoxide Alarm First Alert CO Alarm

Loud 85dB/Backlit Digital Display for Hazard Level and Peak Level / 2AA Batteries / Mute Button

Every home needs at least one Battery powered carbon monoxide alarm. If you have a house with several levels, each floor level needs at least one carbon monoxide alarm. The First Alert CO410 battery powered carbon monoxide alarm has an electrochemical carbon monoxide sensor. It is the most accurate technology available for detecting carbon monoxide comparing to other common sensing technologies.

  • Alarm has EZ view Backlit Digital display: Easy viewing of danger levels, current, and peak CO levels in your home. Illuminates only when in alarm or button is pressed
  • Battery powered carbon monoxide alarm: 2 AA Batteries included
  • Remote control Mute feature for this alarm: Point & click any remote control unit to quiet unwanted alarms (remote not included)
  • EZ access battery door for AA batteries front-open compartment allows easy battery change without dismounting alarm
  • Mute button: Mutes unnecessary alarms, also tests alarm functions with same button
  • Low battery signal mute
  • Quiets low battery signal for up to 8 hours
  • Electrochemical carbon monoxide sensor most accurate technology available for detecting carbon monoxide
  • End of alarm life timer
  • Alarm chirps when it is time to replace it
  • 2 AA batteries included
  • Loud 85db alarm
  • 5-year limited warranty
  • Carbon monoxide alarms should be replaced every 5 years for maximum protection
  • Meets UL2034 Standards


Underwriters Laboratories Inc. Standard UL2034 requires residential CO Alarms to sound when exposed to levels of CO and exposure times as described below. They are measured in parts per million (ppm) of CO over time (in minutes).

UL2034 Required Alarm Points*:

  • If the alarm is exposed to 400 ppm of CO, IT MUST ALARM BETWEEN 4 and 15 MINUTES.
  • If the alarm is exposed to 150 ppm of CO, IT MUST ALARM BETWEEN 10 and 50 MINUTES.
  • If the alarm is exposed to 70 ppm of CO, IT MUST ALARM BETWEEN 60 and 240 MINUTES.

*Approximately 10% COHb exposure at levels of 10% to 95% Relative Humidity (RH). The unit is designed not to alarm when exposed to a constant level of 30ppm for 30 days.

trust our techs with your next Furnace repair in Littleton CO
Get your Furnace replacement done by Parker Heating and Air in Parker CO
Contact Information
Contact Information
We offer technical excellence along with a promise of integrity and knowledgeable workmanship to all of our customers in the Southeast Denver Metro Area since 2002.
18436 Longs Way, Suite 101 • Parker, CO 80134
Monday - Friday  |  8:00am - 4:30pm
Get in Touch
Do you have a last minute emergency? Is it time to complete that new installation? We are here to help guide you every step of the way!
Schedule Service
Get an Estimate

24 Hour Emergency Service Available • 7 Days a Week

Google Map of Parker Heating and Air
Click to view full map