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50+ Years
experience
Emergency
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Expert HVAC Services in Morris, IL
R. L. Lyon Heating & A.C. Heating & A.C. has been a trusted name in HVAC services since 1919, serving residential and commercial clients across Morris, IL, and Grundy County. Our certified technicians specialize in heating, air conditioning, and indoor air quality solutions, offering installation, repair, maintenance, and emergency services. With over a century of experience, we prioritize honesty, transparency, and customer satisfaction, building long-term relationships grounded in trust. Our team is equipped to handle systems ranging from furnaces and heat pumps to ductwork and ventilation, ensuring optimal comfort year-round.

We stand by our work with warranties and emphasize energy-efficient solutions to reduce costs and environmental impact. As a family-owned business, we remain committed to community values while maintaining industry expertise through ongoing training and certifications. Our service area includes both homes and businesses, with a focus on prompt, courteous assistance tailored to individual needs.
Services
Heating Installation Air Conditioning Repair Emergency HVAC Service Maintenance Plans Duct System Services
Details
  • Year established: 1919
Highlights and features
  • We have over 100 years of experience serving Morris, IL, and Grundy County.
  • Our team includes certified HVAC technicians with expertise in all major systems.
  • We offer 24/7 emergency services for urgent heating and cooling needs.
  • We prioritize transparency, providing clear communication and honest assessments.
  • We are a family-owned business committed to community values and customer trust.
What people say
Knowledgeable, honest, respectful Always on time Excellent service Great prices Highly recommended
Services
Heating Installation
We install high-efficiency heating systems, including furnaces, heat pumps, and radiant heaters, tailored to residential and commercial needs. Our technicians ensure proper sizing and setup for optimal performance and energy savings. With trusted brands like Lennox, we deliver durable solutions that keep properties warm during Illinois winters.
Air Conditioning Repair
Our team diagnoses and fixes cooling issues, from refrigerant leaks to compressor failures, ensuring systems run efficiently. We service central AC units, ductless systems, and commercial cooling equipment. Regular maintenance plans help prevent breakdowns and extend system lifespan while improving energy efficiency.
Emergency HVAC Service
We provide urgent heating and cooling repairs outside regular hours, addressing critical failures that impact comfort or safety. Certified technicians respond promptly with diagnostic tools and replacement parts. Emergency service ensures minimal downtime for homes and businesses during extreme weather.
Duct System Services
We design, install, and repair ductwork to optimize airflow and indoor air quality. Services include sealing leaks, cleaning contaminants, and balancing systems for even temperature distribution. Proper ductwork enhances HVAC efficiency and reduces energy costs for residential and commercial properties.
Indoor Air Quality
We install and service air purifiers, humidifiers, and ventilation systems to improve indoor air quality. Solutions address allergens, humidity imbalances, and stagnant air in homes and businesses. Upgrades like HEPA filters and UV light systems create healthier environments for occupants.
Questions
What HVAC services do you offer?
We provide heating, air conditioning, and indoor air quality services including installation, repair, maintenance, and 24/7 emergency response for residential and commercial clients.
Do you serve both residential and commercial clients?
Yes, we serve homeowners and businesses in Morris, IL, and Grundy County with customized HVAC solutions for comfort and efficiency.
Are your technicians certified?
All our technicians are certified and trained to handle HVAC systems, ensuring professional service and compliance with industry standards.
Can you install new HVAC systems?
Yes, we install furnaces, air conditioners, heat pumps, and duct systems, offering energy-efficient options from trusted brands like Lennox.
Do you offer maintenance plans?
We provide annual maintenance plans to keep systems running efficiently, including tune-ups, safety inspections, and priority emergency service.
What payment options are available?
We accept major credit cards and checks, and offer financing options for eligible HVAC projects and equipment upgrades.