Comet Air Duct Cleaning | Certified HVAC Repair in Billings, MT
2137 Santiago Blvd, Billings, MT 59101
Property Service Solutions
- HVAC system repair
- HVAC installation or replacement
- Air duct sanitization
- HVAC system maintenance
- Air duct cleaning
Q&A
As a Billings homeowner, why should I consider air duct sanitization along with cleaning?
Our work in local home renovations often reveals that ducts collect more than just dust—they can harbor mold spores, bacteria, and allergens common in our area. Sanitization after a thorough cleaning with our RamAir system helps address these microbial contaminants. This extra step is particularly beneficial for households with allergy sufferers or after a home renovation project, which is common in our community. It's about ensuring the air circulating in your home is as clean and healthy as possible.
My HVAC system isn't working right—can you help, or do you just clean ducts?
Absolutely, we can help. While we specialize in duct cleaning, our services include full HVAC system repair and maintenance. Our founder's decades of experience as a general contractor means we understand how all parts of your home's systems work together. If you're experiencing issues like a malfunctioning thermostat or other HVAC problems, we can diagnose and repair them. Often, a cleaning reveals underlying system issues we can then address, providing a complete solution for your home's comfort.
I'm in Billings and my heat pump keeps freezing up. Is this related to my air ducts?
It can be. A common local issue like frozen heat pump components is often caused by restricted airflow. Dirty air ducts, clogged filters, or blocked vents force your system to work harder, which can lead to icing. While we repair the immediate issue, our duct cleaning service removes the dust and debris that contribute to poor airflow. Addressing the root cause with a thorough cleaning can help prevent the problem from recurring and improve your system's overall efficiency, especially during our cold snaps.
Local Business Overview
For over 15 years, Gary Harstad and his team at GD Construction have been transforming homes in Billings through expert kitchen and bath remodels. It was during this hands-on work that they discovered the hidden reality inside residential air ducts—layers of construction debris, dust, and contaminants. This direct experience inspired the creation of Comet Air Duct Cleaning. As a general contractor since 1976, Gary applies his deep knowledge of home systems to every job, ensuring a thorough and informed approach to cleaning. Comet uses the RamAir system, chosen for its safety and effectiveness, especially with modern flex ducts. Beyond cleaning and sanitizing air ducts and dryer vents, they also provide and install Reme HALO & LED whole-house air purifiers, offering Billings homeowners a comprehensive solution for cleaner indoor air.
Business Location & Hours
| Mon: | 8:00 AM - 8:00 PM |
| Tue: | 8:00 AM - 8:00 PM |
| Wed: | 8:00 AM - 8:00 PM |
| Thu: | 8:00 AM - 8:00 PM |
| Fri: | 8:00 AM - 8:00 PM |
| Sat: | 8:00 AM - 8:00 PM |
| Sun: | 8:00 AM - 8:00 PM |

























