Business Details
50+ Years
experience
Emergency
services
Your Trusted Wisconsin HVAC Partner Since 1947
Since 1947, Sure-Fire Heating & AC Heating & AC has been dedicated to delivering superior HVAC solutions across Wisconsin. Founded by Emil Malesevich, our company was built on the principle of providing expert-designed heating and cooling systems tailored to each client's unique needs. Over decades, we've expanded our capabilities to include residential and commercial HVAC installation, emergency repair services, and comprehensive maintenance plans. Our team of over 35 skilled professionals receives ongoing factory-certified training to stay at the forefront of industry advancements.We prioritize quality engineering, precise installation, and prompt service, ensuring systems operate at peak efficiency for years. With facilities in Horicon and Fond du Lac, we serve Dodge County and surrounding areas, maintaining our reputation as Wisconsin's trusted HVAC contractor through unwavering commitment to customer satisfaction.
Services
HVAC Installation
Emergency Repair
Maintenance Plans
Commercial HVAC
System Replacement
Details
- Year established: 1947
Highlights and features
- We offer 75+ years of combined HVAC expertise with factory-trained technicians
- Our team provides 24/7 emergency service with prompt response times
- We guarantee quality installations with manufacturer-certified workmanship
- Our maintenance plans extend equipment lifespan and efficiency
- We offer flexible financing options for HVAC system upgrades
What people say
Prompt emergency response
Knowledgeable technicians
Reliable installations
Professional service
Energy savings
Services
HVAC Installation
We design and install custom HVAC systems for residential and commercial properties. Our factory-certified technicians ensure proper equipment sizing and ductwork fabrication for optimal efficiency. With over 75 years of combined experience, we guarantee systems that deliver consistent comfort and energy savings while maintaining manufacturer warranties through precise installation techniques.
Emergency Repair
Our 24/7 emergency response team handles urgent HVAC failures with rapid diagnostics and repairs. Technicians carry common replacement parts for immediate fixes while maintaining strict safety protocols. We prioritize restoring comfort quickly for homeowners and minimizing business downtime through our after-hours service capabilities across Dodge County and surrounding areas.
Maintenance Plans
Scheduled maintenance extends equipment lifespan and prevents unexpected breakdowns. Our technicians perform comprehensive system checks, cleaning components and optimizing performance twice yearly. These plans include priority scheduling for emergencies and help maintain manufacturer warranties through documented professional servicing of heating and cooling systems.
Commercial HVAC
We provide full-service commercial HVAC solutions including design/build projects and equipment replacement. Our LEED-certified engineers create energy-efficient systems tailored to business needs. Services include load calculations, custom duct fabrication, and planned maintenance programs that ensure consistent climate control for commercial spaces while meeting operational efficiency requirements.
System Replacement
We handle complete HVAC system replacements for aging or inefficient units. Our process includes load calculations to determine proper sizing and recommendations for energy-efficient models. Technicians install systems with minimal disruption to business operations or home life, ensuring proper integration with existing infrastructure while maximizing performance and comfort improvements.
People
Casey Malesevich
President
Leading Sure-Fire Heating & AC Heating & AC since 2011, Casey brings legal expertise and third-generation HVAC knowledge to ensure customer satisfaction and operational excellence.
Ted Malesevich
Vice President
LEED-certified project manager since 2016, Ted oversees commercial operations with a focus on sustainable HVAC solutions and technical innovation.
Greg Blohowiak
Commercial HVAC Designer
With 17 years at Sure-Fire Heating & AC Heating & AC, Greg specializes in creating energy-efficient commercial HVAC systems that balance performance with cost-effectiveness for business clients.
Tom Schwartz
Residential Sales
Serving since 1995, Tom connects homeowners with tailored HVAC solutions, combining product knowledge with Wisconsin climate expertise.
Rob Eberhardt
Service Manager
Leading our service team since 2010, Rob ensures timely, quality repairs through continuous technician training and customer-focused service protocols.
Questions
What HVAC services do you offer for homeowners?
We provide complete residential HVAC services including furnace and AC installation, emergency repairs, maintenance plans, and system replacements.
Do you offer 24/7 emergency HVAC service?
Yes, our technicians are available 24 hours a day, 7 days a week for urgent heating and cooling system repairs.
What commercial HVAC solutions are available?
We offer commercial design/build projects, equipment replacement, planned maintenance programs, and LEED-certified sustainable HVAC system installations.
Are financing options available for new systems?
Yes, we offer 0% financing options to make HVAC upgrades more affordable for both residential and commercial customers.
How can I schedule HVAC service?
Call us at (920) 485-4883 or use our online contact form to request service or schedule maintenance appointments.
What areas do you service?
We serve Dodge County, Fond du Lac, Beaver Dam, Waupun, and surrounding Wisconsin communities from our Horicon headquarters.
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