Business Details
31 Years
experience
Emergency
services
Trusted HVAC Repair & Installation Services
At Nick Dolinic LLC, we have built our reputation on core values of hard work, honesty, and integrity while delivering exceptional HVAC services to residential and commercial clients. With decades of combined experience, our team specializes in heating and cooling system repairs, installations, and maintenance across St. Louis and surrounding areas. We prioritize customer satisfaction through transparent pricing, free estimates, and 24/7 emergency support. Our technicians undergo rigorous training to ensure technical expertise and adherence to industry standards. We serve South County, St. Louis County, West County, North County, St. Louis City, Jefferson County, Central, and surrounding regions.Our commitment to quality workmanship is reflected in our licensed and insured status, use of premium equipment from brands like Trane and Mitsubishi, and comprehensive maintenance plans. We offer financing options to make system upgrades accessible and maintain factory warranties through professional service. Customer testimonials consistently highlight our punctuality, clean workspaces, and problem-solving capabilities. Our team treats every client's property as if it were our own, ensuring lasting relationships built on trust. We actively contribute to the community by providing reliable HVAC solutions that enhance comfort and energy efficiency for homeowners and businesses alike.
Services
HVAC Repair
AC Installation
Furnace Service
Boiler Maintenance
Ductless Systems
Commercial HVAC
Indoor Air Quality
Water Source Heat Pumps
Details
- Year established: 1995
Highlights and features
- We offer 24/7 emergency HVAC services with rapid response times
- Our technicians are fully licensed and insured for your protection
- We provide free estimates on all new system installations
- We honor manufacturer warranties through professional maintenance
- Our team has 25+ years of combined HVAC industry experience
Associations and certifications
- Trane Certified
- Mitsubishi Ductless Systems Installer
What people say
Professional service
Timely completion
Expert technicians
Great communication
Spotless cleanup
Services
HVAC Repair
Our HVAC repair service addresses heating and cooling system malfunctions with rapid response times and lasting solutions. Technicians diagnose issues using advanced tools while maintaining factory warranties through proper procedures. We stock common replacement parts to minimize service calls and ensure efficient system operation.
AC Installation
Professional air conditioning installation includes precise load calculations and equipment selection from trusted brands like Trane and Mitsubishi. Our process ensures optimal system sizing for energy efficiency while maintaining proper refrigerant levels and electrical connections for long-term performance.
Furnace Service
Comprehensive furnace maintenance covers combustion analysis, heat exchanger inspection, and airflow optimization. Regular servicing extends equipment lifespan while improving indoor air quality through filter replacement and duct cleaning recommendations.
Ductless Systems
Ductless HVAC solutions provide zoned temperature control for additions or hard-to-heat spaces. Our certified technicians handle multi-zone installations with wall-mounted and ceiling cassette units while ensuring proper refrigerant lines and electrical connections.
Commercial HVAC
Commercial HVAC services include preventive maintenance contracts and emergency repairs for office buildings and retail spaces. Our team handles complex systems with minimal business disruption while providing energy audits to reduce operational costs.
People
Nick Dolinic
Owner
Nick Dolinic brings 25+ years of HVAC expertise to every project, combining technical knowledge with customer-focused service. He oversees all installations and repairs while maintaining hands-on involvement in complex system diagnostics.
Djuro
Lead Technician
Djuro specializes in complex HVAC diagnostics and installations, with certifications in ductless systems and refrigerant handling. He leads our technical team while maintaining direct client communication during service calls.
Dejana
Service Coordinator
Dejana manages service scheduling and client relations, ensuring timely appointments and clear communication. She coordinates emergency service requests while maintaining our maintenance plan records.
Questions
What HVAC services do you offer?
We provide complete HVAC solutions including AC/furnace repair, installation, maintenance, ductless systems, boiler services, and commercial HVAC support across St. Louis.
Do you offer emergency service?
Yes, we provide 24/7 emergency HVAC repair with technicians available for immediate response to critical system failures.
What areas do you service?
We serve South County, St. Louis County, West County, North County, St. Louis City, Jefferson County, Central, and surrounding Missouri and Illinois areas.
Do you offer financing options?
Yes, we provide flexible financing plans for new system installations with approved credit through our partner lenders.
Are you licensed and insured?
We maintain full licensing (SCC-X3227) and insurance coverage for all HVAC work performed in Missouri and Illinois.
What brands do you work with?
We install and service Trane systems, Mitsubishi ductless units, and RunTru equipment while supporting all major HVAC brands.
