Do you offer 24-hour emergency furnace or AC repair?

Yes. A heating or cooling failure does not wait for business hours, especially during a Wisconsin winter when a broken furnace becomes a safety concern. All Season Comfort offers 24-hour emergency service through our messaging system for rapid triage and response. When you reach out after hours, our team gets back to you quickly so you are not left waiting in the cold or the heat.

How do you decide whether to repair or replace an HVAC system?

Our default is always to repair before recommending a replacement. Nate performs a thorough diagnosis and identifies the specific component or issue causing the problem. If a capacitor, igniter, or other part can be replaced to restore reliable performance, that is what we recommend. We only suggest a full system replacement when the equipment is genuinely beyond cost-effective repair or poses a safety risk. We explain our findings clearly so you can make an informed decision without any pressure.

What types of heating systems do you service?

We service and install gas furnaces, oil furnaces, boilers, and heat pumps for residential customers across Dodge County and the surrounding Wisconsin region. We also perform seasonal tune-ups on gas and oil furnaces to keep systems running efficiently before the cold season arrives. Our team has the specialized knowledge to handle the full range of heating equipment found in Southeast Wisconsin homes.

What is custom ductwork fabrication and why does it matter?

Custom ductwork fabrication means we bend and shape sheet metal in our own shop to fit your specific system and home layout, rather than using generic prefabricated components. This precision fit improves airflow, reduces static pressure on your blower motor, and lowers the strain on your entire HVAC system. Over time, that means lower energy bills and a longer lifespan for your equipment. It is a craft that most modern contractors have outsourced, but the Wagoner family has maintained it in-house for decades.

Does All Season Comfort offer financing for new HVAC installations?

Yes. We work with Hearth Financing and Service Finance Company to provide flexible payment options for customers who need a new furnace, air conditioner, or other major HVAC equipment. A new system is a significant investment, and we want affordability to be one less thing you have to worry about. Ask us about financing options when you request your quote and we will walk you through what is available.

Do you install indoor air quality products like dehumidifiers and air filtration systems?

Yes. We install and service Aprilaire whole-home dehumidifiers, humidifiers, and advanced air filtration systems. Wisconsin's climate presents real indoor air quality challenges: humid summers can drive moisture levels up inside your home, while dry winters can cause discomfort and damage to wood surfaces and furnishings. Aprilaire products address both ends of that spectrum, and we can integrate them with your existing heating and cooling system for year-round comfort and healthier indoor air.

Do you service small businesses and commercial properties?

Yes, we provide light commercial HVAC services for small businesses, retail spaces, and offices throughout Southeast Wisconsin. Our commercial work carries the same honest, quality-first approach we bring to every residential job. If you operate a small shop or office in Dodge, Fond du Lac, or Washington County and need reliable heating and cooling service, reach out to discuss how we can help keep your space comfortable for employees and customers.

HVAC | All Season Comfort LLC

All Season Comfort Heating and AC is a trusted local HVAC services provider based in Theresa, WI. We are a fourth-generation, family owned HVAC company serving homeowners and light commercial clients across Dodge, Fond du Lac, and Washington Counties. From gas and oil furnace repair to central AC installation, ductless mini-split systems, custom ductwork fabrication, and Aprilaire indoor air quality solutions, our family handles it all with the honesty and integrity that has kept our neighbors calling us back for decades.

Our default is always to repair before we recommend a replacement. If your system can be fixed with a component swap, that is exactly what we will tell you. We walk you through the diagnosis, explain what we found and why, and let you make an informed decision. No scare tactics, no inflated estimates, no pressure. This approach has earned us the trust of homeowners in Theresa, Lomira, Hartford, West Bend, Brownsville, Waupun, Ripon, and across Fond du Lac and Washington Counties. It is the kind of straightforward service you would expect from a neighbor, because that is exactly what we are.

What areas does All Season Comfort Heating and AC serve?
All Season Comfort is based in Theresa, WI and serves homeowners and light commercial clients across Dodge, Fond du Lac, and Washington Counties. Our service area includes Theresa, Lomira, Hartford, West Bend, Brownsville, Waupun, Ripon, and the surrounding communities throughout Southeast Wisconsin. If you are unsure whether we cover your area, give us a call at 920-349-3317 and we will let you know right away.
Do you offer 24-hour emergency furnace or AC repair?
Yes. A heating or cooling failure does not wait for business hours, especially during a Wisconsin winter when a broken furnace becomes a safety concern. All Season Comfort offers 24-hour emergency service through our messaging system for rapid triage and response. When you reach out after hours, our team gets back to you quickly so you are not left waiting in the cold or the heat.
How do you decide whether to repair or replace an HVAC system?
Our default is always to repair before recommending a replacement. Nate performs a thorough diagnosis and identifies the specific component or issue causing the problem. If a capacitor, igniter, or other part can be replaced to restore reliable performance, that is what we recommend. We only suggest a full system replacement when the equipment is genuinely beyond cost-effective repair or poses a safety risk. We explain our findings clearly so you can make an informed decision without any pressure.
What types of heating systems do you service?
We service and install gas furnaces, oil furnaces, boilers, and heat pumps for residential customers across Dodge County and the surrounding Wisconsin region. We also perform seasonal tune-ups on gas and oil furnaces to keep systems running efficiently before the cold season arrives. Our team has the specialized knowledge to handle the full range of heating equipment found in Southeast Wisconsin homes.
What is custom ductwork fabrication and why does it matter?
Custom ductwork fabrication means we bend and shape sheet metal in our own shop to fit your specific system and home layout, rather than using generic prefabricated components. This precision fit improves airflow, reduces static pressure on your blower motor, and lowers the strain on your entire HVAC system. Over time, that means lower energy bills and a longer lifespan for your equipment. It is a craft that most modern contractors have outsourced, but the Wagoner family has maintained it in-house for decades.
Does All Season Comfort offer financing for new HVAC installations?
Yes. We work with Hearth Financing and Service Finance Company to provide flexible payment options for customers who need a new furnace, air conditioner, or other major HVAC equipment. A new system is a significant investment, and we want affordability to be one less thing you have to worry about. Ask us about financing options when you request your quote and we will walk you through what is available.
Do you install indoor air quality products like dehumidifiers and air filtration systems?
Yes. We install and service Aprilaire whole-home dehumidifiers, humidifiers, and advanced air filtration systems. Wisconsin's climate presents real indoor air quality challenges: humid summers can drive moisture levels up inside your home, while dry winters can cause discomfort and damage to wood surfaces and furnishings. Aprilaire products address both ends of that spectrum, and we can integrate them with your existing heating and cooling system for year-round comfort and healthier indoor air.
Do you service small businesses and commercial properties?
Yes, we provide light commercial HVAC services for small businesses, retail spaces, and offices throughout Southeast Wisconsin. Our commercial work carries the same honest, quality-first approach we bring to every residential job. If you operate a small shop or office in Dodge, Fond du Lac, or Washington County and need reliable heating and cooling service, reach out to discuss how we can help keep your space comfortable for employees and customers.