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Master plumber. Member of the plumbing, heating & cooling contractor’s association (phcc). Epa refrigerant handling license.

Joel Yunker has been a licensed Master Plumber since 1989, having worked in the plumbing and heating industry since 1978 with his father and grandfather. In 1997 Yunker Comfort Systems Plumbing, Heating and Air Conditioning, in St. Croix Falls, Wisconsin, was formed as a small one-man shop. More than twenty years later, the company has eight additional employees. Joel says, “I feel fortunate to work in a field I still enjoy, which constantly offers new and exciting challenges”. Comfort Systems will always be dedicated to providing the best possible quality and service to our valued customers.

Comfort Systems Plumbing, Heating & AC offers the best Air Conditioner repair. We have the best people to do the inspection, installation or repair of the unit. We do every single service with the end goal – customer satisfaction!

Comfort Systems Plumbing, Heating & AC – Get The Best Service Right Here, Right Now!

Comfor Systems Team

Got Questions? Contact Us!

Our friendly, courteous staff will respond to your needs quickly.


Comfort Systems specializes in the important areas of service for your home. Our friendly, courteous staff will provide you with prompt service to ensure that all of your questions are answered. If you call after hours or when our lines are busy, your call will be directed to an answering service, allowing us to call you back as soon as possible. We understand that our reputation is not only built on the service we have provided in the past, but on how we treat our customers right now.


If you need a new AC or heating system or want water pipelines installed we’ve got it all covered. Our in-house experts and professionals are trained to do the installation properly. We have up-to-date tools and other materials that will make the installation process smooth. Speed is the name of the game, but quality is synonymous to the company’s mission. We always make sure every installation completed is in accordance with company and international standards. This enables us to be on top of the others.


Prevention is better than cure. At Comfort Systems Plumbing, Heating & AC we know how important it is to determine any minor issues before they become big and costly for you. We have well-trained experts and professionals who will ensure that your heating system, AC and all things related to plumbing are in good running condition.

Are your drains slow? Are your air vents kicking out dust or debris? Maybe you’ve seen your electric bill rise and want to know if the heating or air conditioning system needs service? We offer full inspection services to identify any problems and resolve them quickly.

We can do regular inspection at your home in order to make sure everything runs smoothly. If there is a problem, we address accordingly and proper action will be taken. Our friendly customer service representatives will be glad to answer all clients’ queries, provide feedback or be of assistance. This is our way of making sure every client is well attended and taken cared of.



Whether there is a leak on the water pipeline, the AC does not work or the heating system is busted – we can do the entire repair for you! Yes, at Comfort Systems Plumbing, Heating & AC, there is no problem we cannot solve. We can do the entire repair for you. Our mission to keep the client well informed as to the current condition of the system in order to make a thorough and wise decision whether repair is sustainable or would it be much better to have the unit replaced with a new one.