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Welcome to J&J Heating and Air Conditioning, proudly serving the Greater Toledo Area. J&J Heating and Air Conditioning has been Family Owned and Operated for 3 Generations. With over 55 years experience in heating, ventilation and air conditioning service and sales, you can count on J&J Heating and Air Conditioning for high quality service and affordable rates.

The Northwest Ohio Piping Industry is a union of highly-trained and skilled journeymen and apprentices who provide plumbing, pipefitting, welding, and HVAC services to residential and commercial clients throughout Northwest Ohio. We are committed to improving the industry through aggressive training and upgrading the skills of our current craftsmen. Our 100% privately-funded training program utilizes cutting-edge facilities and produces the best workforce to tackle every project, large and small. Our craftsmen are community members who are involved in causes and invested in their cities, towns, and neighborhoods to help ensure everyone stays safe, healthy, and strong.

At Mauder Heating & Air Conditioning, we pride ourselves on providing high-quality heating and air conditioning services to our customers in Northwest Ohio and Southeast Michigan. Our team of experts is dedicated to ensuring maximum comfort and efficiency for your home or business through our top-notch installation, maintenance, and repair services. We offer a range of services, including free estimates, 24-hour emergency service, and maintenance agreements, to fit your needs and budget. With over 30 years of experience, we are proud to be Toledo's 1st Factory Authorized Carrier Dealer.

Campbell Inc. has been helping commercial and industrial owners and managers with design, engineering, installation, preventative maintenance services, and reporting for their commercial HVAC systems since 1968. We provide expert mechanical services, energy efficiency solutions, and 24/7 emergency maintenance to ensure optimal building performance. Our team of EPA-certified technicians uses industry-specific training and certifications to maintain industrial HVAC systems, plumbing, and energy systems.