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50+ Years
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Emergency
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Trusted HVAC Services in Toledo, OH
Maumee Valley Heating & AC has been a trusted name in residential and light commercial HVAC services since 1965. Founded by Fred Slates and now led by the Theodorou family, our family-owned business prioritizes honesty, quality craftsmanship, and personalized care. With over 60 years of combined experience, our NATE-certified technicians deliver expert installation, repair, and maintenance for heating, cooling, and air quality systems.

We serve Toledo and surrounding areas, offering energy-efficient solutions, flexible financing, and a 100% satisfaction guarantee. Our commitment to integrity, dependability, and community has earned us an A+ BBB rating and countless five-star reviews. From furnace tune-ups to ductless mini-split installations, we approach every job with the same dedication that defined our founders, ensuring your comfort is always our priority.
Services
Furnaces Air Conditioners Dehumidifiers Humidifiers Air Purifiers CO Alarms Ductless Mini-Split Systems Boilers Water Heaters HVAC Maintenance
Details
  • Year established: 1965
Highlights and features
  • Family-owned with 60+ years of local HVAC expertise
  • NATE-certified technicians for industry-leading standards
  • 100% satisfaction guarantee on all installations
  • Flexible financing options for qualified buyers
  • A+ rating from the Better Business Bureau
Associations and certifications
  • NATE Certified
  • BBB A+
What people say
Professional attitude Quality work Honest assessments Timely repairs Exceptional service
Services
Furnace Installation
We offer expert installation of high-efficiency gas furnaces tailored to your home's needs. Our Bryant Authorized Dealers provide durable, quiet, and energy-efficient options with proper sizing and placement for optimal performance. Professional installation ensures long-term reliability and energy savings.
Air Conditioning Repair
Our NATE-certified technicians diagnose and repair all AC systems with precision. From refrigerant leaks to compressor issues, we restore cooling efficiency quickly. Emergency service available for urgent summer breakdowns in Toledo and surrounding areas.
Ductless Mini-Split Systems
Ductless systems provide targeted heating and cooling for additions or homes without ductwork. We install single and multi-zone systems with wall or ceiling-mounted units, offering energy-efficient temperature control for specific rooms or entire properties.
Boiler Maintenance
Annual boiler check-ups prevent failures and improve efficiency. Our technicians inspect combustion, pressure, and safety controls while cleaning components. Regular maintenance extends equipment life and ensures safe operation for homes with radiant heating systems.
Indoor Air Quality
We install whole-home air purifiers, humidifiers, and dehumidifiers to improve respiratory health. AprilAire and Bryant systems reduce allergens, balance humidity, and eliminate pathogens, creating cleaner, more comfortable indoor environments year-round.
People
Spiros Theodorou
Service Manager & Residential Comfort Consultant
With over 20 years of experience, Spiros leads our service team as the third-generation family member. He specializes in HVAC system consultations and ensures every customer receives personalized solutions aligned with their comfort needs and budget.
Jimmy
Installation Manager & Commercial Comfort Consultant
A 38-year veteran with Ohio and Michigan contractor licenses, Jimmy oversees complex installations. His NATE certification and deep technical expertise ensure precise execution for both residential and commercial HVAC projects across the region.
Mike
Senior Service Technician
With 37 years of service and a Marine Corps background, Mike specializes in diagnosing complex HVAC issues. His journeyman license and commitment to excellence make him a trusted resource for challenging repair scenarios.
Jackson Theodorou
Maintenance & Service Technician
Representing the fourth generation, Jackson combines Penta Career Center training with hands-on experience. His focus on preventive maintenance ensures systems operate efficiently while learning from seasoned professionals in the family business.
Brad
Service & Maintenance Technician
A 5-year team member and NATE-certified technician, Brad excels in prompt repairs and system diagnostics. His commitment to timely service and customer education has made him a favorite among Toledo homeowners.
Questions
What HVAC services do you offer?
We provide full-service HVAC solutions including furnace and AC installation, repair, and maintenance, ductless systems, boilers, water heaters, and indoor air quality products.
Do you offer emergency HVAC service?
Yes, we handle urgent heating and cooling emergencies with prompt response times, even outside regular business hours.
Are financing options available?
We offer flexible financing up to 120 months for qualified buyers to make HVAC upgrades more affordable.
What areas do you serve?
We primarily serve Toledo, Northwest Ohio, and Southeast Michigan, with decades of local experience.
Do you provide maintenance plans?
Yes, our annual maintenance agreements help prevent breakdowns and extend equipment life with discounted service rates.
Are your technicians certified?
All service technicians are NATE-certified, ensuring industry-standard expertise in HVAC installation and repair.