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 4/5/2026 Austin Mason Meisenheimer had this to say:
Incredible service

On 4/4/2026 Madison Meisenheimer had this to say:
We had an excellent experience working with Nate! From the moment we reached out, he responded right away and came immediately to help us troubleshoot an issue with our furnace. Nate was incredibly knowledgeable and walked us through everything step by step while diagnosing the problem. He made what could have been a stressful situation feel easy and manageable. Once we decided to move forward, he handled the installation of our new furnace smoothly and professionally. We really appreciated how thorough, efficient, and friendly he was throughout the entire process. It’s clear he takes pride in his work and truly cares about helping his customers. We would absolutely recommend Nate to anyone needing HVAC help! Testimonial written by Madison Meisenheimer on this site.

On 3/9/2026 Randy Manes had this to say:
Look no further than this company, because you've found the best! They did a great job on installing our new furnace. They're professional and provide service with a smile. Thank you gentlemen! Testimonial written by Randy Manes on this site.

On 1/14/2026 Amanda Kemmel had this to say:
Seriously the best and only HVAC partner you need! This team has come on the hottest day of the year to install a new air conditioner when every other company would make me wait a week (my house was also like 85 degrees and humid)! Next day with All Season - we had a new unit! They have come on the coldest days when our furnace is misbehaving and fixed it same day. Today, on a bitter, cold day, they made a drive to Milwaukee in the brutal weather at rush hour to get us a part, so our furnace was once again working same day! You can't ask for better! Thank you, Nate and team!!

On 1/12/2026 Dawn S. had this to say:
1000% recommend. Very professional, knowledgeable and very honest. Will continue to use this company!

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, Credit Cards

Our Hours

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

Heating or cooling upgrades don’t have to wait. All Season Comfort Heating & Air Conditioning LLC offers flexible financing options to help make your home comfortable without the upfront stress. Because your comfort should never be put on hold. 🌬️🔥
✅ Affordable monthly payments
✅ Fast approval
✅ Financing links available right on our website

Thinking about upgrading your HVAC system? 🏡 All Season Comfort Heating & Air Conditioning LLC offers comprehensive solutions tailored to your needs. From energy-efficient units to smart thermostats, we provide the latest technology to enhance your comfort and reduce utility bills. Get a consultation today! 💡🌟 #EnergyEfficient #HomeComfort

❄️ Don't get left out in the cold—or heat! All Season Comfort Heating & Air Conditioning LLC is your trusted partner for reliable HVAC solutions year-round. Whether it's installation, maintenance, or emergency repairs, our skilled technicians have you covered. Keep your home cozy no matter the season! 🌡️ #AllSeasonComfort #HVACExperts

At All Season Comfort Heating & Air Conditioning LLC, your feedback matters to us! If you've received excellent service, please take a moment to leave a review. Your reviews help us improve and continue to provide top-notch service. Click here to share your experience: (https://allseasoncomfortheatingandac.com/reviews) 👍💬 #CustomerFeedback #ReviewUs

🌞 Summer is here, and keeping cool is a must! Beat the heat with All Season Comfort Heating & Air Conditioning LLC. Our expert team is ready to tackle any A/C repairs, ensuring your units are running at peak performance. Don't wait for a breakdown; contact us today and stay comfortable all season long! ☀️❄️ #SummerComfort #ACRepairs #StayCool

Info

Service Finance Company
Hearth Financing
Better Business Bureau

FAQ

What services do you offer?

We provide installation, repair, and maintenance services for:

Oil furnaces

Gas furnaces

Air conditioners

Boilers

Air handlers

Thermostats

How long have you been in business?

We were established in 1986 and have built decades of experience serving the local community.

What should I do when my heating or cooling system fails?

First, check your thermostat settings, circuit breakers, and air filters. If everything appears normal and the system still won’t operate, give us a call and we will dispatch a technician as soon as possible.

Do you offer preventive maintenance or service agreements?

Yes — regular maintenance helps ensure optimal performance, longevity, and energy efficiency. Ask us about our routine service plans or seasonal checkups.

How quickly can you respond to service calls?

We aim to respond promptly and accommodate emergency repairs whenever possible. Availability may depend on current workload and distance, but we always strive to address urgent issues swiftly.

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