Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Effingham, IL
Since 1935, Merz Heating & Air Conditioning has been dedicated to providing exceptional HVAC solutions for residential and commercial clients across Effingham, Illinois, and surrounding areas. Our team of certified professionals brings decades of combined experience to every project, specializing in the installation, repair, and maintenance of heating, ventilation, and air conditioning systems. We are proud to be a premier Lennox dealer, offering cutting-edge products such as furnaces, air conditioners, heat pumps, geothermal systems, and indoor air quality solutions. Our commitment to quality is reflected in our 24/7 emergency service, which ensures immediate assistance for system breakdowns at any hour. We prioritize customer satisfaction through personalized service plans that include routine maintenance, energy efficiency optimization, and extended equipment lifespan.Our reputation as one of Illinois' largest and most modern HVAC companies is built on a foundation of integrity, technical expertise, and a relentless focus on client comfort. We serve diverse markets including healthcare, education, government, and corporate real estate with both Plan and Spec and Design/Build approaches. Our team's professionalism is consistently praised in customer testimonials, highlighting our courteous service technicians and meticulous cleanup practices. We maintain transparency in all operations, offering free estimates and flexible billing options to meet client needs. With a 100-mile service radius from our Effingham headquarters, we combine local knowledge with industry-leading standards to deliver reliable, long-term solutions for every heating and cooling challenge.
Services
HVAC Installation
Emergency Repairs
Maintenance Plans
Indoor Air Quality
Geothermal Systems
Details
- Year established: 1935
Highlights and features
- We offer 24/7 emergency HVAC service since 1935
- Our team includes certified HVAC professionals with decades of local experience
- We are recognized as one of Illinois' largest modern HVAC companies
- We provide free in-home estimates and personalized service plans
- Our Lennox expertise ensures access to cutting-edge heating and cooling technology
Associations and certifications
- Lennox Premier Dealer
What people say
Prompt service
Courteous technicians
Professional installation
Efficient emergency response
Thorough cleanup
Services
HVAC Installation
We specialize in complete HVAC system installations for residential and commercial properties. Our certified technicians install furnaces, air conditioners, heat pumps, and geothermal systems with precision and care. Every installation includes comprehensive system checks and customer education on operation and maintenance.
Emergency Repairs
Our 24/7 emergency repair service addresses urgent HVAC system failures at any hour. Trained technicians respond promptly to residential and commercial emergencies, using diagnostic tools to identify issues and implement lasting solutions for heating and cooling systems.
Maintenance Plans
Our maintenance plans include seasonal system tune-ups to optimize performance and extend equipment lifespan. Services cover filter replacement, component inspection, and efficiency testing to prevent unexpected breakdowns and maintain manufacturer warranties.
Indoor Air Quality
We offer comprehensive indoor air quality solutions including air purification systems, humidity control, and ventilation upgrades. These systems work with existing HVAC equipment to reduce allergens, improve air circulation, and create healthier living environments.
Commercial HVAC
Our commercial division provides design/build HVAC solutions for new construction and renovations. We serve healthcare facilities, schools, government buildings, and corporate spaces with customized heating, ventilation, and cooling systems that meet industry-specific requirements.
People
Pat Gebben
Owner / Sales
With decades of HVAC industry experience, Pat leads our team with a commitment to quality service and customer satisfaction. He oversees sales operations and ensures our team maintains the highest standards.
Dustin Gebben
Residential Sales
As residential sales specialist, Dustin helps homeowners find optimal heating and cooling solutions. His expertise in system selection and energy efficiency ensures customers receive tailored recommendations for their specific needs.
Dylan Bartels
Commercial Sales
Dylan specializes in commercial HVAC solutions, working with businesses to develop efficient heating and cooling systems for various industries. His technical knowledge ensures commercial clients receive cost-effective, code-compliant installations.
Chad Ingram
Service Technician
Chad provides expert repair and maintenance services for residential and commercial systems. His technical proficiency and attention to detail ensure efficient problem resolution and system optimization.
Daryl Smith
Senior Installer
With extensive installation experience, Daryl leads our team in precise HVAC system installations. His focus on quality workmanship and customer satisfaction has earned repeated recognition in client testimonials.
Questions
What HVAC services do you offer?
We provide complete HVAC solutions including installation, repair, and maintenance for residential and commercial heating, ventilation, and air conditioning systems.
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency service with live operator support for urgent heating and cooling system failures.
What areas do you serve?
We serve Effingham, IL and surrounding areas within a 100-mile radius, including Charleston, Robinson, and Vandalia.
Are you a licensed HVAC contractor?
Yes, we are a licensed HVAC contractor with certified technicians and recognized as one of Illinois' largest modern HVAC companies.
Do you offer maintenance plans?
Yes, we offer customized maintenance plans with seasonal tune-ups to optimize system performance and extend equipment lifespan.
What brands do you work with?
As a premier Lennox dealer, we offer Lennox heating and cooling products, while also servicing all major HVAC brands.