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50+ Years
experience
Emergency
services
Your Trusted HVAC Partner for Equipment, Service & Solutions
Heaven Engineering has been a trusted leader in the HVAC industry since 1966, delivering engineered solutions for residential, commercial, and industrial clients. We specialize in HVAC equipment, parts, service, and integrated building controls, serving Missouri, Kansas, and Illinois. Our team of over 75 factory-trained technicians provides 24/7 emergency support and advanced training programs to ensure optimal system performance. With state-of-the-art training centers in St. Louis and Kansas City, we empower contractors with hands-on education and technical expertise. Our commitment to innovation is reflected in our adoption of Daikins VRV technology, inverter systems, and open-architecture building controls.

We prioritize customer satisfaction through reliable parts supply, including OEM and aftermarket components, and a rewards program for repeat purchases. Backed by decades of experience and partnerships with global manufacturers, we offer tailored solutions that enhance energy efficiency, comfort, and sustainability. Our testimonials highlight long-term client relationships built on trust, responsiveness, and problem-solving expertise. From preventive maintenance to complex system installations, we ensure minimal downtime and maximum operational efficiency. As a Daikin subsidiary, we combine global innovation with localized service to meet evolving industry demands.
Services
HVAC Equipment Parts Supply Service & Maintenance Building Controls Residential Solutions Commercial Solutions Training Programs Emergency Repairs Integrated Systems Technical Support
Details
  • Year established: 1966
Highlights and features
  • We offer 24/7 emergency HVAC service with rapid response times.
  • Our team includes over 75 factory-trained technicians specializing in Daikin systems.
  • We provide hands-on training programs at state-of-the-art facilities in St. Louis and Kansas City.
  • Our parts division stocks OEM and aftermarket components for immediate availability.
  • We deliver tailored solutions for residential, commercial, and industrial HVAC needs.
What people say
Easiest company to work with Reliable vendor Exceptional technical support Strong dealer support Prompt service
Services
HVAC Installation
Our team specializes in installing advanced HVAC systems, including Daikins VRV and inverter technologies. We ensure precise configuration for residential and commercial properties, optimizing energy efficiency and comfort. Clients benefit from seamless integration with existing infrastructure and compliance with industry standards.
Preventive Maintenance
Scheduled inspections and maintenance keep HVAC systems operating at peak efficiency. Our technicians perform filter replacements, system diagnostics, and performance tuning to extend equipment lifespan and prevent costly breakdowns. This service is ideal for businesses requiring uninterrupted climate control.
Parts Supply
We offer a comprehensive inventory of OEM and aftermarket HVAC parts, including compressors, filters, and control systems. Our rewards program provides cost savings for frequent purchasers, ensuring reliable access to critical components for system repairs and upgrades.
Building Controls
Our open-architecture building controls enable customized automation for HVAC, lighting, and security. Designed to eliminate vendor lock-in, these scalable solutions enhance energy efficiency and operational transparency for commercial facilities.
Emergency Repairs
We provide round-the-clock emergency HVAC repair services to minimize downtime. Our technicians respond swiftly to critical failures, offering on-site diagnostics and repairs for complex systems, including chillers and rooftop units.
Questions
What HVAC services does Daikin TMI offer?
We provide installation, maintenance, emergency repairs, parts supply, and building controls for residential and commercial systems.
Do you offer 24/7 emergency HVAC service?
Yes, our team offers round-the-clock emergency support for urgent repairs and system failures.
What areas do you serve?
We serve Missouri, Kansas, and Illinois, with warehouses and offices in St. Louis, Kansas City, and Wichita.
Are training programs available for contractors?
Yes, we offer hands-on training at our St. Louis and Kansas City facilities, plus mobile sessions.
Do you stock OEM HVAC parts?
Yes, we supply OEM and aftermarket parts, including compressors, filters, and control systems.
What makes Daikin TMI unique?
We combine Daikin’s innovation with localized expertise, offering tailored solutions and 24/7 technical support.