- Residential
- Your home is your castle … and the experts
- at Howe are available 24/7 to make sure it stays
- comfortable all year round. Our service vans
- have a complete communication system
- allowing technicians to handle almost any
- project, big or small. Plus, our computerized
- scheduling keeps our crews on time and on
- schedule.
- - Service, Maintenance & Repair
- - Remodels & Additions
- - Boilers, Furnaces, Water Heaters
- - In-Floor Heating
- - Gas Piping
- - Garage Heaters
- - Plumbing Fixtures
- - Ventilation, Air Quality
- - Air & Water Conditioning
- Request a Service Call or Quote
- Testimonials
- Dangers of Carbon Monoxide
- Tips
- Meet the Technicians
Dangers of Carbon Monoxide
Carbon Monoxide (CO) Levels of Concern Health effects are related to the level of CO concentrations and length of exposure. New studies indicate that chronic, low level exposure can have serious health consequences.
| CO Levels | Effects *Varies based on age, sex, weight & overall health |
| 12,800 PPM | Death within 1 to 3 minutes* |
| 1,600 PPM | Nausea within 20 minutes, death within 1 hour* |
| 800 PPM | Nausea and convulsions, death within 2 hours* |
| 400 PPM | Frontal headaches 1 to 2 hours, life threatening after 3 hours* |
| 50 PPM | Maximum concentration for continuous exposure in any 8 hour period |
| 9 PPM | Acceptable level of CO in a living space |
| 0 PPM | Desirable level |

