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All Season Comfort Heating & Air Conditioning LLC

"Quality, Professionalism, & Responsiveness"

About Us

All Season Comfort Heating & Air Conditioning LLC is a trusted Residential HVAC business located in Theresa, WI and proudly serving Dodge County since 1986. We are a Father and Son duo and specialize in providing top-notch maintenance, installation, and service for all your heating and cooling needs. From central air conditioners and furnaces to boilers and mini split units, our experienced technicians are dedicated to ensuring your home's comfort all year round. We have over 40 years of experience working with oil furnaces. Customer satisfaction is our priority, and we strive to provide reliable and efficient solutions to keep your indoor environment at its optimal temperature, regardless of the season. Trust All Season Comfort Heating & Air Conditioning LLC for all your residential HVAC needs in Dodge County WI and surrounding areas.

Areas Served

Dodge County, WI | Fond du Lac County, WI | Ashippun, WI | Beaver Dam, WI | Brownsville, WI | Burnett, WI | Clyman, WI | Fox Lake, WI | Horicon, WI | Hustisford, WI | Iron Ridge, WI | Juneau, WI | Kekoskee, WI | Lebanon, WI | Lomira, WI | Lowell, WI | Mayville, WI | Neosho, WI | Portland, WI | Reeseville, WI | Rubicon, WI | Washington County, WI | Woodland, WI

Our Professional Associations

What We Offer

Our Specialties include:

Our Services include:

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Testimonials

On 2/12/2025 Rose Gregory had this to say:
These guys are amazing people. They really do care about their customers. We were without heat due to another company telling us we needed different parts that were so expensive and we could not afford. Nate came in and fixed the problems and low and behold, the pieces the other company told us were bad were in fact not bad. They were perfectly fine. I would recommend them to anyone. Sincerely, The Toudle Family

On 1/22/2025 Jaime Gunderson had this to say:
Highly recommend Nate and All Season Comfort! I had an issue with my boiler in my home a few weeks ago. I called him first thing Friday morning and he was at my house Friday afternoon fixing it. He stayed there until 6:30pm getting it up and running ensuring that my kiddo and I had heat. Very kind and professional. I will be using All Season Comfort from here on out for yearly maintenance and any other issues that come up.

On 10/26/2024 Julia E in Hartford had this to say:
Long time residential customer of All Season Comfort since 1999! They go above and beyond to help their customers. Needed a new gas furnace 5 years ago after the old oil furnace boiler cracked after 20 years of use. Cold streak and they were able to get a new gas furnace installed right away. They have your back in emergency situations and are very knowledgeable with repairs and very reasonably priced. Very blessed to get to know the family after all these years. Testimonial written by Julia E in Hartford on this site.

On 10/3/2024 Roberta Jensen had this to say:
Received a neighbor's referral on this company, and contracted for a new furnace. I am very pleased with the service, communication, results and product. Testimonial written by Roberta Jensen on this site.

On 8/15/2024 Fred Paddon had this to say:
Been using All Season Comfort at my home and business for years. Easy to get in contact with and very prompt service. They prioritize quality, and great diagnostics to ensure correct repairs.

Contact Us

All Season Comfort Heating & Air Conditioning LLC
Theresa, WI 53091
Phone: (920) 349-3317
Email: Allseasoncomfortllc@gmail.com

Where To Find Us

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Payment Types Accepted

Personal Checks, Cash, Credit Cards

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 8:00 AM - 5:00 PM
Tuesday: 8:00 AM - 5:00 PM
Wednesday: 8:00 AM - 5:00 PM
Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 5:00 PM
Saturday: Open 24 Hours
Sunday: Open 24 Hours

News

Exciting news! We are now offering financing options! The application process is simple and smooth, to make your lives a little bit easier! Visit the Financing Application tab above, or click this link to fill out an application!

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Elevate your home comfort with our industry-leading HVAC services now backed by a 12-year labor and manufacturer warranty. Say goodbye to worries and hello to energy efficiency and performance. Get in touch to get started today!

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