Business Details
26 Years
experience
Emergency
services
Your Trusted Partner for HVAC Solutions in Elmhurst, IL
Thermosystems has been a trusted full-service HVAC solutions provider since 2000, serving commercial and industrial clients across Chicagoland, Central Illinois, Northern Indiana, and Iowa. As a member of the Daikin Group, we combine deep industry experience with partnerships with over 25 leading manufacturers to deliver HVAC system design, equipment selection, installation coordination, preventative maintenance, and building automation solutions. Our team of factory-trained professionals prioritizes customer success through localized support, technical expertise, and a commitment to sustainability. With strategically located offices and a fully stocked Romeoville parts warehouse, we ensure rapid response times and operational efficiency.Our 24/7 service hotline and preventative maintenance agreements help clients minimize downtime while maximizing system performance. Recognized for our expertise in complex projects, we serve diverse markets including healthcare, education, industrial facilities, and mission-critical environments. Our sustainability initiatives focus on energy efficiency, eco-responsible partnerships, and LEED-certified expertise to support long-term cost savings and environmental stewardship.
Services
HVAC System Design
Commercial HVAC Equipment
Preventative Maintenance
Building Automation Systems
Rental Chillers
Details
- Year established: 2000
Highlights and features
- Factory-trained technicians with 20+ years of combined experience
- Strategic partnerships with 25+ leading HVAC manufacturers
- 24/7 emergency service with rapid response guarantee
- LEED-certified sustainability expertise and energy efficiency solutions
- Proven track record in complex commercial and industrial projects
Associations and certifications
- OSHA 30 Certified
- Daikin Applied Certified Service Provider
What people say
Expert guidance
Seamless installation
Prompt solutions
Dependable specialists
Proactive maintenance
Services
HVAC System Design
Our HVAC system design service provides customized climate control solutions for new construction and retrofit projects. With factory-trained engineers and Daikin Group expertise, we create energy-efficient systems that meet ASHRAE standards. We collaborate with architects and contractors to optimize equipment selection, ductwork configuration, and control integration. Our designs balance occupant comfort with operational efficiency while ensuring compliance with local building codes and sustainability requirements.
Commercial HVAC Equipment
We supply premium commercial HVAC equipment from 25+ industry-leading manufacturers, including Daikin, Modine, and Condair. Our product specialists help clients select optimal systems based on building requirements, energy goals, and budget constraints. We offer air handlers, chillers, rooftop units, and specialized equipment for mission-critical environments. Our procurement process ensures timely delivery while maintaining strict quality control standards for long-term system reliability.
Preventative Maintenance
Our preventative maintenance programs extend equipment lifespan while minimizing unexpected breakdowns. Factory-certified technicians perform regular inspections, component testing, and system optimizations. We use predictive maintenance techniques to identify potential issues before they cause downtime. Our agreements include priority service scheduling, discounted repairs, and detailed performance reporting to maintain peak system efficiency throughout Chicagoland and surrounding regions.
Building Automation Systems
We design and implement advanced building automation systems that optimize HVAC performance through intelligent controls. Our solutions integrate with existing infrastructure to enable centralized monitoring, energy management, and remote diagnostics. Using KMC Controls and Daikin systems, we create user-friendly interfaces that improve system efficiency by up to 30% while simplifying facility management for commercial clients.
Rental Chillers
Our Daikin air-cooled rental chiller service provides reliable temporary cooling solutions for emergencies, maintenance periods, or seasonal demands. We offer quick deployment of high-efficiency units with flexible rental terms to maintain critical operations. These portable systems deliver precise temperature control for industrial processes, data centers, and commercial facilities during equipment transitions or unexpected failures.
People
Mike Murray
President
Leading Thermosystems' strategic direction with 25+ years in HVAC industry leadership, driving growth while maintaining focus on technical excellence and customer satisfaction across commercial markets.
Paul Pasternock
Founder & VP of Sales and Marketing
Co-founder with deep technical expertise, overseeing sales strategy and manufacturer partnerships to deliver innovative HVAC solutions that meet evolving market demands and client specifications.
Tracy Dorman
Service Manager
Managing service operations with 20+ years of field experience, ensuring 24/7 emergency response readiness and maintaining high standards for technician training and customer support.
Ryan Kelly
VP of Operations
Overseeing day-to-day operations and building solutions strategy, with expertise in project coordination and systems integration to ensure seamless implementation of complex HVAC projects.
Natalie Simkovic
Human Resources Manager
Developing talent acquisition and training programs that support company growth while fostering a culture of technical excellence and continuous professional development for HVAC professionals.
Questions
What HVAC services do you offer for commercial clients?
We provide complete HVAC solutions including system design, equipment sales, preventative maintenance, building automation integration, and emergency repair services for commercial and industrial facilities.
Do you serve locations outside Chicagoland?
Yes, we serve clients throughout Central Illinois, Northern Indiana, and Iowa with localized support from our strategically located offices and service teams.
Are your technicians factory-trained?
All service technicians receive ongoing factory training from manufacturers like Daikin to maintain certification and stay current with the latest HVAC technologies and best practices.
Can you help with emergency HVAC repairs?
Our 24/7 service hotline provides immediate assistance for emergency repairs, with rapid response times to minimize downtime and restore system functionality quickly.
Do you offer preventative maintenance agreements?
Yes, our customized maintenance plans include regular inspections, priority service scheduling, and discounted repairs to optimize system performance and extend equipment lifespan.
How do you support sustainable HVAC solutions?
We prioritize energy-efficient equipment, offer LEED-certified expertise, and recommend systems that qualify for utility rebates to help clients achieve sustainability goals while reducing operating costs.
