Serving Deerfield, WI and the Surrounding Areas

Heating & Cooling

Preventative Maintenance | Repair | Install

Heating & Cooling

Preventative Maintenance | Repair | Install

Get a free estimate today!

Heating and Cooling Solutions

When it comes to quality heating and AC systems that offer value and comfort, it’s important to choose the right system. Ask us about our extended warranties today!

At Brown Heating & A/C, we offer Comfortmaker energy-efficient furnaces and air conditioners, Aprilaire humidifiers, air cleaners, and dehumidifiers, and offer many options for programmable thermostats based on your needs. Choose us as your Comfortmaker dealer and HVAC experts. Learn more about what we can do for you.

Outline your needs as a homeowner

Rate the following categories in order of priority from one to five, with one being the most important and five the least. Once you have prioritized your needs, share them with us to see how we can help you achieve a satisfactory home HVAC system.

We offer products from Comfortmaker and Aprilaire for your benefit. Choose a family-owned local company that has served the area loyally since 1995.


  • Does your home’s temperature vary more than you like?
  • Do you notice a temperature differential from room to room or morning to afternoon?
  • Do your family members complain about cold feet?
  • Does your family need to wear extra clothes indoors in the winter?


  • Do you notice the sound when your system comes on?
  • Does the sound of your system interfere with you talking on the phone, watching television or sleeping?
  • Do you notice the sound of air moving through ducts or through registers?


  • Approximately how pricey are your annual gas and electric bills?
  • How old is your furnace?
  • How long are you planning to live in your current home?

Air Quality

  • Does anyone in your home smoke or have allergies?
  • Do you have pets?
  • Does your home get dusty quickly?
  • Do you have problems with dry skin or static electricity in the winter time?
  • Do you have issues with musty odors or condensation on the windows?

Other Questions

  • How much have you spent on having your existing system serviced so far?
  • Do you have any additional plans for changing your home?
  • How would you rank the issues we’ve discussed in terms of what’s important to you when purchasing a heating or cooling system?

Contact us


633 South Main Street
Deerfield, Wisconsin 53531

Office hours

Mon - Fri: 700am - 430pm
Sat - Sun: Closed
On-Call service technician 24-hours 7-days a week




Areas Served

  • Barneveld
  • Cambridge
  • DeForest
  • Fort Atkinson
  • Lake Mills
  • McFarland
  • Newglarus
  • Stoughton
  • Watertown
  • Columbus
  • Waterloo¬†
  • Janesville
  • London
  • Middleton
  • Sun Prairie
  • Windsor
  • Blue Mounds
  • Cottage Grove
  • Edgerton
  • Jefferson
  • Madison
  • Milton
  • Portland
  • Verona
  • Brodhead
  • Cross Plains
  • Fitchburg
  • Johnson Creek
  • Marshall
  • Monona
  • Reeseville
  • And many others...
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