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Business Details
50+ Years
experience
Emergency
services
Trusted Plumbing & HVAC Services in Celina, OH
Since 1942, Riesen Plumbing & Heating has been dedicated to providing exceptional plumbing and HVAC services to residential and commercial clients in Celina, Ohio, and surrounding areas. Our legacy began with Earl Fast and Sam Riesen, who established a reputation for reliability and expertise in boiler and piping systems. Over the decades, we have evolved to meet modern demands while maintaining the core values of quality craftsmanship and customer-centric service. Our team of factory-trained technicians brings decades of combined experience to every project, from custom home installations to complex commercial systems.

We pride ourselves on staying at the forefront of industry advancements, offering Tempstar Elite HVAC solutions and specialized services like sewer jetting, water treatment, and geothermal heating. With a focus on community involvement and technical excellence, we continue to serve three generations of satisfied customers.
Services
Residential Plumbing HVAC Installation Commercial Plumbing Sewer Repair Water Treatment Systems Emergency Services Geothermal Heating Bathroom Remodeling Gas Line Services Duct Fabrication
Details
  • Year established: 1942
Highlights and features
  • We offer 80+ years of combined plumbing and HVAC expertise
  • Our team includes five factory-trained service technicians
  • We provide 24/7 emergency service with rapid response times
  • Financing options available for major HVAC replacements
  • We maintain state-of-the-art equipment inventory for same-day installations
Associations and certifications
  • Tempstar Elite Dealer
What people say
So quiet Dedicated hard work Great service Emergency Saturday help Beautiful home
Services
Residential Plumbing
We provide comprehensive residential plumbing services including water heater installation, sewer line replacement, and bathroom remodeling. Our licensed technicians handle emergency repairs and routine maintenance for gas lines, water treatment systems, and septic connections. With same-day service availability and factory-certified parts, we ensure reliable solutions for all home plumbing needs.
HVAC Installation
Our HVAC installation services feature Tempstar Elite furnaces and air conditioners with energy-efficient designs. We offer computer-aided heat loss calculations and proper duct sizing for optimal performance. As Ohio-licensed contractors, we handle complete system replacements including geothermal heating and zoning solutions for improved comfort in residential and commercial spaces.
Commercial Plumbing
We specialize in commercial plumbing systems for schools, churches, and industrial facilities. Our services include fire sprinkler installation, backflow testing, and large-scale HVAC maintenance. With experience in municipal projects like water treatment plants and school renovations, we deliver durable solutions for businesses and institutions across western Ohio.
People
Craig Riesen
President
Third-generation plumbing contractor with 40+ years in the industry. Leads operations and strategic direction while maintaining hands-on involvement in complex projects.
Marie Keller
Office Manager
Manages scheduling and customer service operations with 15+ years of experience in coordinating residential and commercial service requests efficiently.
Gregg Muhlenkamp
Senior Technician
Factory-trained HVAC specialist with expertise in Tempstar systems installation and troubleshooting complex heating/cooling issues for residential and commercial clients.
Questions
What HVAC brands do you install?
We are Tempstar Elite Dealers and install Carrier systems. We also service all makes and models with parts inventory for most major brands.
Do you offer emergency services?
Yes, we provide 24/7 emergency plumbing and HVAC service with technicians available after hours and on weekends.
Are financing options available?
Yes, we offer financing for major HVAC replacements and plumbing projects through approved credit programs.
What areas do you serve?
We serve Celina, St. Marys, Lima, and surrounding Ohio communities with commercial projects extending to Northern Minnesota.
Can you handle commercial projects?
Yes, we have over 20 years of experience with commercial HVAC and plumbing systems including schools, churches, and industrial facilities.