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45 Years
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Emergency
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Expert HVAC Installation, Repair & Maintenance in Cape Girardeau
Heise Heating & Cooling has been serving Cape Girardeau and surrounding communities since 1981, providing expert HVAC solutions for residential and commercial properties. Our team of licensed professionals specializes in system installation, repair, and maintenance, ensuring optimal comfort year-round. With over four decades of combined experience, we prioritize precision in system sizing, energy efficiency, and indoor air quality. Our 7-day emergency service ensures prompt assistance during critical situations, while our preventive maintenance agreements help extend equipment lifespan.

We offer in-house sheet metal fabrication for customized ductwork and specialize in Bryant product installations. Backed by manufacturer warranties and rigorous technician training, we guarantee reliable service. Our family-owned business maintains deep local knowledge, understanding regional climate challenges and construction needs. From new system design to urgent repairs, we deliver tailored solutions with transparent communication and technical expertise.
Services
HVAC Installation System Replacement Emergency Repair Maintenance Agreements Sheet Metal Fabrication Indoor Air Quality
Details
  • Year established: 1981
Highlights and features
  • 40+ years serving Cape Girardeau's HVAC needs with local expertise
  • 7-day emergency service with licensed, factory-trained technicians
  • In-house sheet metal fabrication for custom ductwork solutions
  • Bryant factory-authorized dealer with certified installation standards
  • Preventive maintenance programs extending equipment lifespan
What people say
24/7 emergency service Technicians know their craft Equipment lasts longer Clear explanations Quick problem resolution
Services
HVAC Installation
Professional HVAC installation ensures properly sized systems for optimal energy efficiency and comfort. Our technicians calculate precise BTU requirements considering home square footage, climate zone, and insulation quality. We handle complete system design including ductwork layout, thermostat placement, and humidity control integration. All installations follow manufacturer specifications to maintain warranty validity while meeting local building codes.
Emergency Repair
Available seven days a week for urgent HVAC failures, our emergency repair service addresses system breakdowns during extreme weather. Certified technicians diagnose issues with compressors, heat exchangers, and electrical components using advanced diagnostic tools. We maintain common replacement parts inventory for rapid repairs while providing transparent cost estimates before service commencement.
Maintenance Agreements
Customizable maintenance plans extend equipment lifespan through bi-annual system inspections. Our technicians clean coils, check refrigerant levels, and lubricate moving parts to prevent unexpected failures. These agreements include priority scheduling for repair services and detailed performance reports identifying potential issues before they escalate into major repairs.
Sheet Metal Fabrication
In-house metal fabrication produces custom duct systems using galvanized steel, aluminum, and stainless steel materials. Our craftsmen create precise fittings for residential and commercial applications including lab hoods and industrial exhaust systems. This capability ensures exact component matching during installations while maintaining superior airflow efficiency compared to pre-manufactured solutions.
Indoor Air Quality
Comprehensive indoor air quality solutions address allergens, humidity imbalances, and airborne contaminants. We install HEPA filtration systems, UV germicidal lights, and whole-house humidifiers/dehumidifiers. Our technicians assess ventilation requirements to optimize fresh air exchange rates while maintaining energy efficiency in both new constructions and existing systems.
People
Johnny Heise
Owner/Sales
Established the company in 1981 with HVAC industry experience since 1972. Provides leadership in job estimation and customer relations while maintaining hands-on involvement in operations.
Jeremy Heise
Project Manager
Manages equipment installations and service operations since 1995. Combines second-generation industry knowledge with technical expertise in system design and project coordination.
Adam
Service Technician
Performs equipment diagnostics and repairs since 2012. Specializes in technical troubleshooting and maintains inventory of critical replacement components for efficient service calls.
Wayne
Installer/Service Technician
Handles duct fabrication, system installations, and emergency repairs since 2013. Certified in both installation and service aspects of residential and light commercial HVAC systems.
Myra
Office Manager
Manages administrative operations since 1995 including scheduling, accounts management, and customer service coordination. Ensures smooth business operations supporting field service activities.
Questions
What HVAC services do you offer?
We provide installation, repair, and maintenance for heating and cooling systems, including emergency service, indoor air quality solutions, and custom sheet metal fabrication.
Do you service all HVAC brands?
Our technicians service all major HVAC brands but specialize in Bryant products as an authorized dealer with factory-trained installers.
How quickly can you respond to emergencies?
Our 7-day emergency service responds promptly during business hours and prioritizes critical situations outside regular operating times.
What financing options are available?
We offer financing programs for qualifying customers to help manage upfront costs of HVAC replacements or major system upgrades.
Which areas do you service?
We serve Cape Girardeau and surrounding communities including Jackson, Sikeston, Scott City, and East Prairie within a 50-mile radius.
How often should HVAC maintenance occur?
Manufacturers recommend bi-annual maintenance. Our agreements include two annual inspections to maintain warranty validity and system efficiency.