Business Details
Your Trusted Partner for HVAC Solutions in Missoula, MT
Four Seasons HVAC has been serving residential and commercial clients for over 35 years with comprehensive heating, ventilation, and air conditioning solutions. As a family-owned and operated business, we prioritize personalized service and 100% customer satisfaction. Our team of expert technicians delivers quality installations, maintenance, and repairs while offering a one-year parts and labor warranty.We are fully licensed and insured, ensuring protection for your property and workers through detailed contracts, liability coverage, and compliance with permits and inspections. Our commitment to excellence extends to clear communication, transparent invoicing, and tailored solutions for both new construction and remodeling projects.
Services
HVAC Installation
Commercial Kitchen Hoods
Geothermal Systems
Furnace Replacement
Air Conditioning Installation
Radiant Floor Heating
Commercial HVAC Systems
Residential HVAC Systems
Zone Control Systems
Exhaust Ventilation
Highlights and features
- We have over 35 years of experience in residential and commercial HVAC systems
- Our family-owned business prioritizes personalized service and customer satisfaction
- We offer a one-year parts and labor warranty on all installations
- Our team is fully licensed and insured with comprehensive project management
- We provide transparent invoicing and clear communication throughout projects
Services
HVAC Installation
We provide complete HVAC system installations for residential and commercial properties, including furnaces, boilers, air conditioning units, and high-efficiency filtration systems. Our technicians ensure proper sizing, code compliance, and optimal performance through professional installation practices. Every project includes warranty coverage and post-installation system checks to guarantee long-term reliability and energy efficiency.
Commercial Kitchen Hoods
Our commercial kitchen hood installations meet strict safety and code requirements for restaurants and food service establishments. We handle complete ductwork integration, exhaust fan placement, and make-up air ventilation systems. Projects include stainless steel fabrication, fire suppression system coordination, and compliance with local health department regulations for commercial cooking operations.
Radiant Floor Heating
We specialize in hydronic radiant floor heating systems for both residential and commercial applications. Our installations include tubing layout, manifold system integration, and concrete slab preparation for new construction or retrofit projects. This energy-efficient solution provides even heat distribution through flooring surfaces in homes, shops, and commercial buildings.
Preventative Maintenance
Our preventative maintenance programs keep HVAC systems operating at peak efficiency through regular inspections and tune-ups. Services include filter replacement, coil cleaning, refrigerant checks, and component lubrication for furnaces, air conditioners, and commercial HVAC units. Scheduled maintenance helps prevent breakdowns and extends equipment lifespan.
Commercial Ductwork
We design and install custom commercial duct systems for retail spaces, restaurants, and office buildings. Our sheet metal fabrication shop creates ductwork to precise specifications, ensuring proper airflow and energy efficiency. Projects include rooftop unit connections, retail store HVAC integration, and code-compliant installations for new construction or renovations.
People
Douglas Ostrenga
Member Manager
With over 35 years in the HVAC industry, Douglas Ostrenga co-leads Four Seasons HVAC as a member manager. He oversees technical operations and project execution while maintaining hands-on involvement in complex installations. His expertise spans residential and commercial systems, ensuring quality standards across all projects.
Julie Ostrenga
Member Manager
Julie Ostrenga co-owns Four Seasons HVAC with her husband Douglas. She manages business operations and client relations while supporting the team's commitment to personalized service. With decades of industry experience, she ensures the company maintains its family-owned values and customer-focused approach.
Questions
What HVAC services do you offer for residential customers?
We provide complete residential HVAC services including furnace and AC installation, radiant floor heating, mini-split systems, and preventative maintenance for homes in western Montana.
Do you handle commercial HVAC projects?
Yes, we specialize in commercial HVAC systems including kitchen hoods, rooftop units, ductwork, and ventilation systems for restaurants, retail stores, and office buildings.
What warranty do you provide on installations?
We offer a one-year warranty covering both parts and labor for all HVAC installations, with documentation included in your project contract.
Are you licensed and insured for HVAC work?
Yes, we are fully licensed and insured HVAC contractors with liability coverage and workers compensation for all residential and commercial projects.
Do you service all HVAC equipment brands?
Our technicians service all makes and models of HVAC equipment, including emergency repairs and preventative maintenance for existing systems.
What areas do you serve?
We serve Missoula, Hamilton, Victor, Stevensville, Lolo, and surrounding areas in western Montana for residential and commercial HVAC projects.