24 HOUR EMERGENCY SERVICE  608.644.1719    

About Us

BayBrookes Heating and Cooling has a proud history as a family owned and operated business.  As residents of the Sauk Prairie area, Brett and Rhonda Herschleb have made a commitment to providing the best indoor air comfort and quality for you and your family.  They believe in a “customer for life” philosophy.  They treat their loyal employees like family.  When a BayBrookes HVAC technician comes to your home they’ll treat you like family and their experience speaks for itself.  We specialize in excellence in service for both new construction, existing homes and remodeling projects.  BayBrookes is dependable and knowledgeable.  They want you to know what your best options are so you can make good decisions that improve your comfort and the value of your home.  BayBrookes actively works in Sauk, Dane and Columbia counties.  We service all HVAC makes and models.

Whether you call us for service, have questions about the comfort in your home or need new equipment; we are here for you. We offer:

  • 24 Hour Emergency Service
  • Replacements of Furnaces
  • A/C’s & Boilers
  • Installation of Geo Thermal Systems
  • Residential Installation for New Homes and Free Estimates! 

Cities We Serve

Sauk City, Prairie du Sac

Madison, Middleton

Spring Green, Plain, Arena, Mazomanie, Cross Plains     

Lodi, Dane, Waunakee, Madison            



BayBrookes Heating & Cooling and the manufacturer recommend having your heating system checked and tuned yearly.  There is no better time than before the cold arrives

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We understand that not having your Air Conditioner work can cause discomfort. Day or night our trained service technicians are here for you.

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Indoor Air Quality

Upgrade your home comfort by improving the quality of the air you breathe.  Learn about the complete line-up of Bryant equipment.

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Customer Reviews

When a BayBrookes HVAC technician comes to your home they'll treat you like family and their experience speaks for itself.  Hear what some of our customer have to say about us.


Please do not hesitate to CONTACT US to answer any questions that you may have. Thank you and we look forward to helping you. Inquire about pricing!


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BAYBROOKES Heating & Cooling

Sauk City (608) 644-1719 Lodi (608) 592-2665

MONDAY - THURSDAY 7:30-4:30 FRIDAY 7:30-3:30
727 Industry Road, Suite A Sauk City, WI 53583  |  MAP