Lomira Heating, Air Conditioning, Electrical Repair and Installation

We’ve been serving Lomira, Wisconsin for over 65 years.  Our talented team of HVAC and Electrical professionals can help you and your family stay comfortable – serving all your heating, air conditioning, and electrical needs.

Sure-Fire's Team at its 60th Anniversary Celebration in 2007
Sure-Fire’s Team at its 60th Anniversary Celebration in 2007

Our Services

Residential Heating and Air Conditioning Installation

When it’s time to replace your existing system, Sure-Fire has what it takes to make your home comfy all year long! Sure-Fire Lomira Heating and Air Conditioning Installation

Residential & Commercial Heating and Air Conditioning Repair & Maintenance

Sure-Fire has built its reputation on prompt, courteous customer service. Our service fleet is available 24-hours a day, via fully stocked, radio and computer dispatched trucks.  And because studies show that homeowners who do not regularly maintain their HVAC equipment pay an average of $300 more per year on service calls and energy costs, Sure-Fire offers several service plan options.  Sure-Fire Lomira Heating and Air Conditioning Repair and Service

Residential & Commercial Electrical Installation & Service

Our residential electrical division has a team of qualified electricians that are capable of performing all types of residential and commercial electrical work.  Sure-Fire Lomira Electrical Installation and Service

Commercial Heating, Air Conditioning, Ventilation Design and Installation

From an accurate heating and cooling load estimate, to proper equipment selection, all the way through design, fabrication, and installation of a custom duct system, your purchase will live up to your expectations for personal comfort, operating efficiency, and long-term reliability.  Sure-Fire Lomira Commercial Heating, Air Conditioning, Ventilation Design and Installation

Residential Duct Cleaning Service

Sure-Fire Lomira Duct Cleaning Service

Sure-Fire, Inc.

617 Washington Street
P.O. Box 191
Horicon, WI 53032

Ph (920) 485-4883
Fx (920) 485-4075


Wisconsin Contractor License #5620

Office Hours
M-Thurs: 7am-5pm
Fri: 7am-430pm

Emergency Service Available 24/7

On-Call 24/7 Since:

  • We've been on call 24/7 since 69 years, 9 months, 20 days, 9 hours, 54 minutes, 16 seconds ago

Need Service?

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(920) 485-4883


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Focus on Energy Trade Ally

North American Technician Excellence

Associated Builders & Contractors, Inc. - Wisconsin Chapter

American Society of Heating, Refrigeration & Air Conditioning Engineers