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44 Years
experience
Emergency
services
Your Trusted HVAC & Generator Provider in Coldwater, OH
Since 1982, Roessner Energy Products has been a trusted provider of heating, cooling, and electrical solutions for residential and commercial clients in Coldwater and surrounding communities. As a locally owned business, we specialize in Trane heating and cooling systems, Generac generators, Mitsubishi ductless systems, and geothermal technology, offering comprehensive sales, installation, and service. Our factory-trained technicians deliver customized solutions while maintaining a commitment to quality, transparency, and customer satisfaction.

With over four decades of experience, we prioritize ethical practices, technical expertise, and long-term client relationships. Our team ensures compliance with all local and national codes, providing reliable installations and 24-hour emergency support to meet critical needs.
Services
HVAC Installation Generator Sales Ductless Systems Geothermal Heating Emergency Repairs Electrical Services
Details
  • Year established: 1982
Highlights and features
  • We offer 40+ years of experience in HVAC and electrical systems.
  • Our technicians are factory-trained and certified for precision service.
  • We provide 24-hour emergency support for critical power needs.
  • Financing options available for generator and geothermal installations.
  • We guarantee code-compliant installations with manufacturer warranties.
Associations and certifications
  • Trane Comfort Specialist
  • Generac PowerPro Elite+ Dealer
  • Mitsubishi Diamond Dealer
  • Hydron Module Geothermal Authorized Dealer
What people say
24-hour on-call service Professional and courteous First-class workmanship Thorough and helpful Highly recommend
Services
HVAC Installation
We install Trane heating and cooling systems with custom ductwork for optimal home comfort. Our team conducts load calculations to recommend energy-efficient solutions tailored to your property. Backed by manufacturer warranties, our installations ensure long-term reliability and reduced energy costs.
Generator Sales
As a Generac PowerPro dealer, we offer whole-home generators with automatic transfer switches. Our experts guide you through selecting the right kW output for your electrical needs, ensuring seamless backup power during outages with code-compliant fuel connections.
Ductless Systems
Mitsubishi ductless systems provide zoned heating and cooling for single rooms or multi-zone setups. Ideal for homes without existing ductwork, these systems combine energy efficiency with quiet operation, installed by our certified technicians for lasting performance.
Geothermal Heating
We install Hydron Module geothermal systems that use ground-source heat for ultra-efficient climate control. These systems eliminate fossil fuel dependency, reduce utility bills, and qualify for federal tax incentives while maintaining consistent indoor comfort.
Emergency Repairs
Our team responds to urgent HVAC and generator failures with 24-hour on-call support. Equipped with diagnostic tools and replacement parts, we restore critical systems promptly to minimize downtime and ensure safety during power outages.
Questions
What services does Roessner Energy Products offer?
We specialize in HVAC installations, Generac generators, Mitsubishi ductless systems, geothermal heating, and 24-hour emergency repairs for residential and commercial clients.
Do you provide financing options?
Yes, we offer financing for generator and geothermal system installations to help customers manage upfront costs with flexible payment plans.
What areas do you serve?
We serve Coldwater, St. Henry, Celina, Wapakoneta, St. Marys, and surrounding communities in northwest Ohio.
Are your technicians certified?
All our technicians are factory-trained and certified for Trane, Generac, Mitsubishi, and Hydron Module systems to ensure expert service.
How quickly can you install a generator?
Most generator installations are completed within 1-2 days, depending on site preparation and permit requirements.
Do you offer warranties?
Yes, we provide manufacturer warranties on all equipment and workmanship, with extended coverage options available for select systems.