Serving homeowners in Billings, Laurel, Lockwood, Shepherd, Huntley, Red Lodge, Bridger, and surrounding areas across Yellowstone and Carbon counties.
From Repairs to Installations, We Have You Covered
Every home has different heating and cooling needs, and we take the time to understand yours. Whether you are dealing with an unexpected breakdown or planning ahead for new equipment, we will guide you with clear explanations and options that fit your home and budget. You can expect friendly service, honest recommendations, and work that is completed with care.
Heating & Furnace
Stay warm with expert furnace and heating services. We handle everything from new system installations to fast repairs and routine tune-ups.
Air Conditioning Services
Keep cool with energy-efficient air conditioning systems and dependable repair services. We help you stay comfortable throughout Montana’s warmest months.
Preventative Maintenance & Service Plans
Protect your HVAC system and avoid costly breakdowns with regular maintenance. Our seasonal check-ups extend the life of your equipment and improve performance.

Quality Service You Can Trust
We built this business on honesty, care, and reliable craftsmanship. When we are invited into someone’s home, we treat that responsibility with respect.
Here is what you can always expect from us:
Friendly, down to earth service
24/7 emergency support available
Clear communication from start to finish
Fair pricing without surprises
Getting Started with Kirby Heating & Cooling Is Simple
We want you to feel supported and informed through the entire process.
From your first message to the final walkthrough, we focus on making things as smooth and stress free as possible.
Schedule Your Consultation
Reach out to us online or by phone to schedule a consultation. We will learn about your needs and recommend the best heating or cooling solution for your home or business.
Get a Clear and Honest Estimate
After we understand your requirements, we provide a detailed estimate with clear pricing, timelines, and the full scope of work. There are no surprises and no hidden fees.
Expert Installation or Repair
Our certified technician arrives on time and fully prepared to handle the job, whether it is a repair, maintenance service, or complete system installation. We work efficiently and keep your space clean.
Enjoy Year-Round Comfort
Once the work is complete, we perform a final system check to make sure everything runs correctly. You can count on ongoing comfort and dependable performance throughout the year.
What You Can Expect From Us
We value trust, kindness, and quality. When you invite us into your home, we show up with respect and a commitment to doing things the right way.
We treat every home and business with respect and care. You can expect clear communication, prompt arrival times, and a team that takes pride in doing the job right.
Friendly and Reliable Service
We explain your options in simple terms and provide straightforward pricing. You will always know what to expect without any surprises.
Honest Pricing and Guidance
Your comfort matters long after we leave. We focus on long-term comfort and dependable performance.
Quality Work That Lasts
Helpful HVAC Tips for Montana Homeowners
Practical guides and seasonal advice to keep your home comfortable.
Top Warning Signs Your Furnace Needs Repair for Billings Homeowners
Winter in Billings can be harsh, and when temperatures drop below zero, a reliable furnace isn’t just a comfort — it’s a necessity. At Kirby Heating & Cooling, we regularly see the same warning signs from local homeowners whose furnaces are beginning to fail. Knowing these symptoms early can help you avoid expensive repairs, unsafe conditions, and sudden heat loss during Montana’s coldest nights. Recognizing the warning signs early can save you from costly repairs, uncomfortable nights, and...
Winter in Montana: How to Keep Your Home Warm Without Overspending
Montana winters can be harsh, but preparing your heating system early can make a big difference. Learn the key steps to get your furnace and home ready for freezing temperatures.
5 Simple HVAC Tips Every Montana Homeowner Should Know
Keep your home running smoothly all year long with these easy HVAC tips. From filter changes to outdoor unit care, Montana homeowners can save money and prevent breakdowns with a few simple habits.
We provide a wide range of HVAC services, including heating and furnace installation, air conditioning repair and installation, preventative maintenance, indoor air quality solutions, and 24/7 emergency services. Whether it’s a residential or commercial system, we have you covered!
We recommend scheduling HVAC maintenance twice a year—once in the spring for your air conditioning and once in the fall for your heating system. Regular maintenance ensures your system runs efficiently, prevents breakdowns, and extends its lifespan.
Yes! We provide 24/7 emergency HVAC services to address urgent heating or cooling issues. Our technicians are available day or night to restore your comfort as quickly as possible.
Improving indoor air quality can be achieved through air purifiers, dehumidifiers, proper ventilation, and regular HVAC maintenance. We offer customized solutions based on your home’s needs to help you breathe easier.
Common signs include unusual noises, inconsistent temperatures, higher energy bills, strange odors, or weak airflow. If you notice any of these, it’s best to have a professional inspect your system before the issue worsens.
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