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50+ Years
experience
Emergency
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Your Trusted HVAC Partner in Green Bay
Founded in 1949, Bay Heating Service has established itself as a trusted leader in HVAC solutions for residential and commercial clients in Green Bay, WI. Over three generations, we have remained committed to delivering comfort, quality, and exceptional service. Our certified technicians specialize in installing, repairing, and maintaining heating, cooling, and ventilation systems, ensuring customer satisfaction with every project. We pride ourselves on staying at the forefront of HVAC technology, offering energy-efficient solutions and 24/7 emergency services.

Our family-owned legacy emphasizes integrity, expertise, and a relentless focus on client needs, making us the preferred choice for over 50 years. From personalized consultations to tailored maintenance plans, we treat every customer like family, ensuring long-term reliability and comfort for homes and businesses alike.
Services
HVAC Installation HVAC Repair Commercial HVAC Air Quality Systems Maintenance Plans Emergency Service
Details
  • Year established: 1949
Highlights and features
  • We have over 50 years of experience in HVAC services.
  • Our team includes certified technicians for all HVAC systems.
  • We provide 24/7 emergency service for urgent needs.
  • We partner with Focus on Energy for energy-efficient solutions.
  • We offer personalized maintenance plans for long-term reliability.
Services
HVAC Installation
We specialize in installing high-efficiency heating, cooling, and ventilation systems tailored to residential and commercial needs. Our certified technicians ensure precise, code-compliant installations, optimizing comfort and energy savings. With partnerships like Focus on Energy, we provide cost-effective solutions that reduce long-term operating expenses.
HVAC Repair
Available 24/7, our repair services address urgent HVAC failures with rapid response times. Technicians diagnose and fix issues in all major brands, minimizing downtime and restoring comfort. We prioritize transparency, providing clear diagnostics and upfront pricing for every repair.
Commercial HVAC
Designed for businesses, we offer scalable heating, cooling, and ventilation solutions. Our factory-trained team installs and maintains systems that enhance workplace comfort and efficiency. Custom maintenance packages prevent costly breakdowns and extend equipment lifespan for northeastern Wisconsin companies.
Air Quality Systems
We improve indoor air quality with advanced filtration systems like the American Standard AccuClean. These systems capture allergens and pollutants, enhancing health and system longevity. Our solutions target common contaminants, ensuring cleaner air for homes and businesses.
Maintenance Plans
Our Energy Savings Agreement provides proactive maintenance, preventing breakdowns and optimizing system performance. Regular inspections and tune-ups ensure efficiency, reduce repair risks, and prolong HVAC lifespan. Plans include priority service and cost-saving energy assessments.
People
Dann Drews
President
With over 50 years of HVAC experience, Dann Drews leads Bay Heating Service, leveraging decades of industry expertise. He pioneered 24-hour service and champions innovation, ensuring the company remains a regional leader.
David Drews
Vice President
David Drews brings 25 years of HVAC expertise as a third-generation professional. Focused on operational excellence, he oversees daily operations, maintaining the family legacy of quality and dependability in every service.
Questions
What services does Bay Heating Service offer?
We provide HVAC installation, repair, maintenance, and air quality solutions for residential and commercial clients. Our services include 24/7 emergency support and energy-efficient upgrades.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency services to address urgent heating or cooling issues, ensuring prompt resolution for homes and businesses.
How can I improve indoor air quality?
Install advanced filtration systems like American Standard AccuClean, which captures 99.98% of allergens. We also recommend regular maintenance and duct cleaning.
What areas do you serve?
We serve Green Bay, WI, and surrounding areas within a 50-mile radius of the northeast side, catering to residential and commercial HVAC needs.
Are financing options available?
While we don’t list direct financing, we partner with Focus on Energy to offer incentives for energy-efficient system upgrades and cost-saving solutions.
Reviews (6)
Jake Kirchner
Jan 28, 2022 Report
Excellent service. Had someone to my house in 15 minutes to fix my furnace. Service: HVAC system maintenance
Susan Kramer
Apr 25, 2021 Report
I have used Bay Heating at my previous home and now my new home. Always top-notch service! Recently, my air conditioner was not cooling. I placed a call and waited for a call back. Instead, a service truck arrived in less than an hour. I can't say enough about the service I have been provided - excellent team of people in the office and in the field.
Alaina Morales
Dec 09, 2020 Report
The technician had a busy day and was running late, but Jean in the office kept me informed and up-to-date, which I super appreciated. Kevin, the technician, was very friendly, professional, and did the job efficiently. Highly recommend and will definitely contact Bay Heating in the future.
Pati Wiegand
Feb 09, 2020 Report
Very pleased with the response from Dave. My furnace died on a Sunday afternoon. Dave returned my call promptly offering to come and check the furnace and bring portable heaters for my son's and my comfort. He arrived Monday morning as promised to take measurements and set up a replacement. The service technicians were wonderful too. Very professional, knowledgeable and personable. My basement was cleaned up and everything put back as before. I can't thank Bay Heating enough and highly recommend them!
Mary Frank-Arlt
Dec 08, 2019 Report
Bay Heating has provided customer service above and beyond in multiple interactions over the years and at multiple homes. The staff is professional, dedicated and very respectful of our home and time. I recommend them to anyone looking for an honest contractor. They also have a maintenance plan that takes the work out of remembering to service your HVAC system. Dave and his team are top notch.
Matt
Jun 24, 2019 Report
Installed a mini split with these guys a couple years ago. Dave was very helpful and did all the measurements to spec the correct system for our needs and it has performed better than I honestly expected. I also liked the after install communication of any questions you might have. Dan was one of the installers and has been here a couple times for maintenance of the mini split, he is very knowledgeable of the product and always here when they say they will be. I would highly recommend this company for any size job you have because they wont let you down.