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21 Years
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Emergency
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Trusted HVAC and Plumbing Services in New London, WI
Founded in 2005, Heise Heating & Air Conditioning is a family-owned business serving New London and surrounding communities. Our expertise spans residential, agricultural, and small commercial HVAC systems, including installation and service of heating, air conditioning, air filtration, and geothermal equipment. We also provide comprehensive plumbing solutions such as water heaters, water softeners, and fixture installations. With over three decades of combined experience, our team prioritizes customer satisfaction through prompt, courteous service and technical excellence. Our 24/7 emergency availability ensures clients receive critical support whenever needed.

We emphasize preventative maintenance programs like seasonal equipment cleanings and offer free estimates for remodeling or new construction projects. Our commitment to quality is reflected in our licensed professionals, including a Master Plumber and HVAC qualifiers, who deliver reliable solutions tailored to diverse client needs. Customer testimonials consistently highlight our competitive pricing, technical proficiency, and exceptional service ethic. Our relocation to a central New London location in 2017 further demonstrates our dedication to community accessibility and growth.
Services
HVAC Installation Plumbing Services Emergency Repairs Preventative Maintenance Free Estimates
Details
  • Year established: 2005
Highlights and features
  • Family-owned operation serving New London since 2005
  • 30+ years combined HVAC experience with licensed professionals
  • 24/7 emergency service availability year-round
  • Free estimates for new construction and remodeling projects
  • Seasonal preventative maintenance programs for HVAC systems
What people say
Prompt, courteous, friendly Highly recommend them Extremely professional service Saved upwards of $60/mo Quick to come help
Services
HVAC Installation
We install high-efficiency heating and cooling systems including furnaces, air conditioners, and geothermal equipment. Our solutions feature intelligent zone controls and energy-saving technologies like in-floor heating. Our licensed technicians ensure proper system sizing and optimal performance for residential and commercial applications.
Plumbing Services
Our licensed plumbers handle complete plumbing system installations and repairs. Services include water heater replacement, water softener installation, fixture repairs, and sump pump services. We work with all plumbing system types and provide emergency leak repairs to prevent property damage.
Emergency Repairs
Available 24 hours a day, 365 days a year for urgent HVAC and plumbing issues. Our rapid response team handles heating failures, AC breakdowns, and plumbing emergencies. Technicians carry common replacement parts for immediate repairs during Wisconsin's extreme weather conditions.
Preventative Maintenance
Seasonal maintenance programs extend equipment lifespan and improve efficiency. Our fall furnace check-ups and spring AC inspections include cleaning, component testing, and safety checks. We offer inspection reports and condition letters for system documentation needs.
Free Estimates
We provide complimentary consultations for new construction and remodeling projects. Our experts design custom HVAC and plumbing systems with energy efficiency in mind. Estimates include equipment specifications, installation timelines, and cost breakdowns for budget planning.
People
Kevin Heise
Co-Owner
With over 30 years in HVAC, Kevin specializes in system design and technology integration. He holds Master Plumber and HVAC licenses, serving New London since 2005. His technical expertise ensures optimal system performance.
Karen Heise
Co-Owner
Bringing 30+ years of business management experience, Karen oversees company operations. She ensures smooth administrative functions while maintaining customer service standards for the family-owned business.
Dan Heise
Co-Owner
A licensed technician since 2009, Dan provides hands-on service and customer support. As third-generation team member, he continues the family commitment to quality HVAC solutions in New London.
Questions
What HVAC services do you offer?
We install and service furnaces, air conditioners, heat pumps, and geothermal systems for residential and commercial properties.
Do you provide emergency service?
Yes, we offer 24/7/365 emergency HVAC and plumbing services with rapid response times.
What plumbing services are available?
We install and repair water heaters, water softeners, toilets, faucets, sinks, and sump pumps.
Do you service agricultural properties?
Yes, we provide HVAC solutions for agricultural buildings including temperature-controlled storage facilities.
Are financing options available?
We currently don't offer financing but can provide detailed estimates for third-party financing applications.
What maintenance programs exist?
Our seasonal maintenance includes fall furnace check-ups and spring AC inspections with system cleaning and testing.