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Name: All Season Comfort Heating & Air Conditioning LLC
Telephone: (920) 349-3317

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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

Our Professional Associations

What We Offer

Our Specialties include:

At All Season Comfort Heating & Air Conditioning LLC, we stand behind the quality of our work with a 12-Year Labor and Manufacturer Warranty—one of the strongest guarantees in the industry. This extended coverage reflects our commitment to long-term performance, reliability, and customer peace of mind. Whether you're installing a new system or upgrading your current one, you can trust that your investment is protected by both expert craftsmanship and dependable manufacturer support. With All Season Comfort, you're not just getting comfort today—you're securing it for years to come.

Our Services include:

Core HVAC Services: We offer expert heating, air conditioning, and HVAC maintenance services to keep your home comfortable in every season. From seasonal tune-ups to full system diagnostics and repairs, our team ensures your equipment runs efficiently and reliably.
System Solutions: Whether you're upgrading or replacing your HVAC system, we provide professional sales and installation services tailored to your needs. Every system we install is backed by a 12-year labor and manufacturer warranty, giving you peace of mind and long-term value.
Project Types: We specialize in residential HVAC services, including systems for new construction and remodels. Our team designs and installs efficient ductwork and climate control systems that fit your space and lifestyle.
Support & Availability: Our 24-hour emergency services ensure you're never left in the cold—or the heat. Whether it’s a sudden breakdown or urgent repair, our technicians are available around the clock to restore your comfort quickly and professionally.

Our Brands include:

Honeywell
Crown
Concord
Nest
Goodman
April Air

Our Products include:

Oil Furnaces
Gas Furnaces
Air Conditioners
Thermostats
Boilers
Air Handlers
Mini Splits

Testimonials

On 7/4/2025 Mike Holiday had this to say:
Definitely would recommend this company. Even on a holiday he made sure he still made time to get to us as fast as possible. Would give more stars if I could. Thank You!!

On 6/24/2025 Jeannette Schwartz had this to say:
I’m grateful for recommendations from the community FB page. Our home is now a year old and we recently had Nate, his father & his son visit to have our HVAC system checked. We’re very satisfied and looking forward to a great maintenance in future. Very reasonably priced too Testimonial written by Jeannette Schwartz on this site.

On 6/18/2025 Shellie Burns had this to say:
Came to my home twice in 1 month. They came same day both times and the bill is reasonable.

On 6/9/2025 Brittany Nigh had this to say:
Nate and his dad put in our central air, which was a complicated process since we have a boiler and no duct work. They literally built ducts to fit some of the areas in our house that would not accommodate conventional ducts. Their work was beautiful. They were well priced and did an outstanding job. I'd highly recommend them!

On 5/1/2025 Jeff Weber had this to say:
Had a new furnace installed by the All Season Comfort Heating & Air Conditioning team. Working with them from start to finish was a great experience. They were professional and efficient and I could not have been happier with the service. Highly recommend!

Contact Us

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

Where To Find Us

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

🔥 Summer Special Alert! Keep your home comfortable with All Season Comfort Heating & Air Conditioning LLC's $189.95 gas furnace and AC tune-up—available now through the end of July! Thinking about a new system? Installations start at just $4,100, with pricing varying based on the job. Don't wait, contact us today to secure your comfort! 📞 Call now!

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!

https://apply.svcfin.com/embedded

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!

Info

Financing Application
Better Business Bureau

FAQ

Pricing

Gas Furnaces $109 + parts
Oil Furnaces $159 + parts
Gas Boiler $149 + parts
Oil Boiler $169 + parts