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Complete HVAC Services Near You in Wisconsin

When you need reliable heating, cooling, repairs, or installation, trust the family-owned team homeowners have relied on since 1986. All Season Comfort Heating & AC provides residential HVAC services throughout Theresa, Lomira, Hartford, West Bend, Brownsville, Waupun, Ripon, and surrounding communities in Dodge, Fond du Lac, and Washington counties. Whether your furnace quits on a cold Wisconsin night or you're planning a new AC installation, our fourth-generation family team is ready to help.

Complete HVAC Services Near You in Wisconsin

  When you need reliable heating, cooling, repairs, or installation, trust the family-owned team Dodge County homeowners have relied on since 1986. All Season Comfort Heating & AC provides residential HVAC services throughout Theresa, Lomira, Hartford, West Bend, Brownsville, Waupun, Ripon, and surrounding communities in Dodge, Fond du Lac, and Washington counties. Whether your furnace quits on a cold Wisconsin night or you're planning a new AC installation, our second-generation family team is ready to help. 

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Family Owned Since 1986

A PROFESSIONAL HVAC CONTRACTOR YOU CAN ACTUALLY TRUST

Nate and Nicole Wagoner, along with their son and daughter, make up the team behind All Season Comfort. We walk you through every diagnosis step by step, we fix what can be fixed before recommending a replacement, and we stand behind every job we do. No commissions, no scare tactics, just honest work from neighbors who live in the same communities we serve.
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FURNACE REPAIR & INSTALLATION

Gas and oil furnace problems don't wait for a convenient time. Our team handles furnace repair, replacement, and new installation across Dodge County and beyond. We service all major system types and perform precision tune-ups to keep your heating running efficiently through Wisconsin winters. When a capacitor swap is all you need, that's exactly what we'll do.
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AIR CONDITIONING REPAIR & INSTALLATION

From central air conditioning installation to seasonal maintenance and emergency AC repair, we cover the full range of cooling needs for homeowners in Theresa, Hartford, West Bend, and surrounding areas. Our heating cooling repair and installation work is done right the first time, with the same attention to detail on every job regardless of size.
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Boiler Services

Boilers require a specific level of expertise that many contractors simply don't have. Our team provides residential boiler repair, tune-ups, and maintenance for homes across Dodge and Fond du Lac counties. We understand the maintenance cycles that keep boiler systems running reliably, and we bring that knowledge to every service call in the region.
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Ductless Mini-Split Systems

Mini-split systems are a smart option for homes or small businesses without existing ductwork, or for spaces that need independent temperature control. We handle ductless mini-split installation, repair, and maintenance throughout our service area. If you're weighing a mini-split against a central air system, we'll give you a straight answer based on your home's actual needs.
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Custom Ductwork Fabrication

Most contractors order prefabricated duct components and call it done. We still bend sheet metal by hand, right in our own shop. Nate, his son, and his daughter fabricate custom ductwork that fits your system precisely, reducing static pressure and system strain. This in-house capability means faster project timelines and a precision fit that extends the life of your HVAC equipment.
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Heat Pump Services

Heat pumps offer year-round efficiency for Wisconsin homeowners looking to get more from a single system. We provide heat pump installation, repair, and maintenance as part of our complete HVAC services catalog. Our team will assess whether a heat pump is the right fit for your home and climate needs before recommending any installation.
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Indoor Air Quality Solutions

Wisconsin's humid summers and dry winters both take a toll on indoor air quality. We install and service Aprilaire whole-home dehumidifiers, humidity control systems, and advanced air filtration products. Whether you're managing allergens, excess moisture, or dry winter air, we can recommend the right IAQ solution for your home in Theresa, Lomira, Brownsville, or anywhere in our service area.
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Thermostat & Light Commercial HVAC

We handle thermostat diagnostics, smart thermostat upgrades, and basic troubleshooting for residential customers, as well as HVAC services for light commercial clients including small offices, retail spaces, and shops throughout Dodge, Fond du Lac, and Washington counties. If you run a small business and need a reliable professional HVAC contractor who shows up and gets it done, give us a call at 920-349-3317.
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Emergency HVAC Service

When your furnace quits during a Wisconsin winter or your AC fails during a summer heat wave, you need help fast. All Season Comfort provides responsive emergency HVAC service across Dodge, Fond du Lac, and Washington Counties with honest diagnostics and dependable repairs.
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HVAC Maintenance Plans

Protect your heating and cooling investment with preventative maintenance designed to reduce breakdowns, improve efficiency, and extend equipment life. Our seasonal tune-ups help keep your system running reliably year-round.
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HVAC System Replacement

Protect your heating and cooling investment with preventative maintenance designed to reduce breakdowns, improve efficiency, and extend equipment life. Our seasonal tune-ups help keep your system running reliably year-round.