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50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Toledo, OH
Maumee Valley Heating & Air Conditioning has been a trusted name in residential and light commercial HVAC services since 1965. Founded by Fred Slates and transitioned to his son-in-law Chris and daughter Patti in 1995, our family-owned business continues to thrive under the leadership of Patti and her son Spiros. With over 60 years of combined industry expertise, we specialize in heating, cooling, water heaters, and air quality solutions, prioritizing honesty, quality craftsmanship, and personalized service.

Our team of NATE-certified technicians delivers reliable installations, repairs, and maintenance, backed by a 100% satisfaction guarantee. We serve Northwest Ohio and Southeast Michigan, offering flexible financing and energy-efficient options to meet diverse customer needs. Rooted in core values of dependability, integrity, and family, we treat every home as our own, ensuring comfort and trust in every interaction.
Services
Furnaces Air Conditioners Dehumidifiers Humidifiers Air Purifiers CO Alarms Ductless Systems Boilers Water Heaters
Details
  • Year established: 1965
Highlights and features
  • Family-owned business treating every home with honesty and care
  • Experienced team with NATE certified technicians
  • 100% satisfaction guarantee on all installations
  • Emergency HVAC services available
  • Flexible financing options for qualified buyers
Associations and certifications
  • NATE Certified
What people say
Professional attitude Quality job Fair price Knowledgeable Courteous
Services
Furnaces
We offer high-efficiency gas furnaces designed for quiet operation and energy savings. Our installations prioritize proper sizing and maintenance to ensure long-term reliability. Customers benefit from Bryant brand options and flexible financing.
Air Conditioners
Our air conditioners provide efficient cooling with options for standard or ultra-quiet operation. We recommend Energy Star models and include free replacement cost estimates. Annual maintenance plans help optimize performance and longevity.
Ductless Mini-Split Systems
Ductless systems offer targeted heating and cooling for single rooms or entire homes. Ideal for spaces without ductwork, these systems feature wall or ceiling-mounted units. We provide expert installation and multi-zone solutions.
Boilers
We service and replace gas and oil-fired boilers with energy-efficient models. Annual maintenance ensures optimal performance, while Bryant Preferred BW9 boilers offer 90-94.9% AFUE efficiency and 15-year heat exchanger warranties.
Water Heaters
We install tank and tankless water heaters, including Navien models with endless hot water. Our experts assess home needs to recommend the best solution, offering federal tax credits on qualifying Energy Star units.
People
Spiros
Service Manager & Residential Comfort Consultant
With over 20 years of experience, Spiros leads our service team and consults on residential comfort solutions. As the grandson of founder Fred Slates, he embodies our family's commitment to quality and customer care.
Jimmy
Installation Manager & Commercial Comfort Consultant
A licensed contractor with 38 years of service, Jimmy oversees installations and commercial projects. His NATE certification and expertise ensure precise system setups for both residential and business clients.
Mike
Senior Service Technician
A 37-year veteran and Marine Corps alum, Mike specializes in complex HVAC diagnostics. His journeyman license and dedication to problem-solving make him a trusted resource for challenging repair scenarios.
Shane
Lead Installer
With 24 years of experience, Shane leads installations and metal shop operations. His journeyman certification and attention to detail ensure flawless system setups and customer satisfaction.
Jeff
Service Technician
A retired Air Force veteran with 1 year at Maumee Valley, Jeff brings 25+ years of HVAC expertise. His specialization in boiler systems and commitment to excellence reflect our company's service standards.
Questions
Do you offer emergency HVAC services?
Yes, we provide emergency HVAC services for urgent heating and cooling needs.
What financing options are available?
We offer flexible financing up to 120 months for qualified buyers on HVAC equipment.
Are maintenance plans worth it?
Our annual maintenance plans prevent costly repairs and improve system efficiency, saving money long-term.
Do you service both residential and commercial systems?
Yes, we provide HVAC solutions for both residential homes and commercial businesses.
What brands do you install?
We install Bryant systems and other top-rated HVAC brands tailored to customer needs.
Are there tax credits for new HVAC systems?
Yes, qualified systems may qualify for up to $2,000 in federal tax credits.