Local Heating Company, Local HVAC Contractor & Local Cooling CompanyLake Geneva, WI, Wonder Lake, IL, Richmond, IL, McHenry, IL, Fox Lake, IL & Antioch, IL

For over sixty five years, Dowe and Wagner, Inc. has provided Southeastern Wisconsin & Northeastern Illinois’s residential and commercial HVAC customers with all season, indoor comfort. We maintain and repair all makes & models.

Our Reputation

When you ask our customers about us, we are confident you will be pleasantly surprised with their answers. We work hard to keep our customers happy. We provide referrals upon request.
We have many sources at our disposal to obtain any part of your heating and cooling needs. We will stop at nothing to get proper parts to repair your system.

Experience = Best Ever

We keep our servicemen up-to-date on the latest changes in the industry through regular schooling. Our technicians average 40 hours per year of industry training. This translates to less errors in diagnosing any needed repairs.


We go out of our way to ensure that your heating and cooling problems are tracked down and repaired as soon as humanly possible.


We follow the strictest practice standards set by Bryant and have the position of Factory Authorized Dealer.


No one enjoys an unexpected breakdown. We offer both preventative maintenance and full service agreements to insure that your equipment is operating at its peak efficiency. See SEA.

Record Keeping

Our customer information is fully computerized with service history by unit. Nothing can be more frustrating than having to wait for an answer to your questions about your system’s condition, what went wrong, and when. Our computerized dispatching system allows us to maintain a “track record” of your equipment and in most cases we can retrieve your system’s data in seconds.

Energy Conservation

We believe you should enjoy your system’s full efficiency at the lowest cost possible, so our sales staff is trained to choose the proper size of equipment for every job.

Local Cooling CompanyLocal AC CompanyLocal Heating CompanyLocal HVAC Contractor ∴ Richmond, IL ∴ McHenry, IL ∴ Twin Lakes, WI