Heating, Cooling & Mechanical Services You Can Trust
Quality Work Without the High Prices — Serving Randolph, WI and Surrounding Areas
OUR SERVICES
Wilcox Heating and Cooling offers a complete range of residential HVAC and mechanical services, custom-tailored to ensure comfort, safety, and long-term performance. Whether you’re upgrading equipment, building a new home, or repairing an existing system, you can count on WHC for honest recommendations and quality craftsmanship.

Heating Services
From cold Wisconsin winters to last-minute heating emergencies, WHC delivers dependable heating solutions that keep your home safe and comfortable all season long.

Furnace Installation & Repair
Keep your home warm and dependable all winter long with expert furnace installation and repair from Wilcox Heating and Cooling. With more than 12 years of hands-on HVAC experience, we ensure every furnace is properly sized, safely installed, and optimized for peak efficiency. Whether you’re replacing an outdated system, experiencing inconsistent heat, or dealing with a furnace that won’t start, we diagnose the issue quickly and deliver long-lasting repairs. As a family-owned local business, we focus on honest recommendations and quality workmanship — ensuring your furnace keeps you comfortable without unnecessary costs.

Boiler Installation, Replacement & Repair
Boilers require skilled, precise expertise — and WHC is trained to install, replace, and repair residential boiler systems with safety and reliability in mind. From upgrading aging boilers to restoring a system that’s lost heat or pressure, we bring specialized knowledge to every job. We ensure proper venting, water circulation, and combustion performance to keep your boiler running efficiently and safely through Wisconsin’s coldest months. Whether it’s a simple repair or a full system replacement, our work is done with accuracy, care, and long-term reliability at the forefront.

Heat Pump Installation & Maintenance
Heat pumps offer efficient, year-round comfort, and WHC provides expert installation and maintenance to maximize performance. We help homeowners choose the right system, ensuring proper sizing and installation for both heating and cooling needs. Regular maintenance keeps heat pumps running smoothly, improves energy efficiency, and extends system lifespan. Whether you’re installing a new unit, upgrading from older equipment, or maintaining an existing system, our licensed expertise ensures comfort you can trust in every season.

Troubleshooting & Efficiency Upgrades
When your heating or cooling system isn’t performing the way it should, WHC provides fast and accurate troubleshooting to find the root cause — not just the symptoms. From airflow issues and sensor failures to thermostat problems and worn components, we diagnose system inefficiencies and offer clear, affordable solutions. We also provide efficiency upgrades that help reduce energy costs, improve comfort, and extend equipment life. Our goal is to keep your HVAC system running safely, smoothly, and as efficiently as possible, without unnecessary replacements or inflated repair costs.

What’s Included:
- Central air conditioning installation & service
- Ductless mini-split installation & maintenance
- AC diagnostics, repair & replacements
- Cooling system tune-ups
- New construction AC installation
Cooling Services
Stay cool and comfortable with expert AC installation, repair, and ductless mini-split systems designed for year-round efficiency.

Gas & Mechanical Services
With licensed expertise, we provide safe installation and repair for residential gas piping and mechanical systems.
Gas Piping Installation & Repair
Safe, reliable gas piping is essential for any home heating or appliance system, and Wilcox Heating and Cooling delivers expert installation and repair backed by years of hands-on mechanical experience. From new gas line runs to repairing leaks, corrosion, or damaged piping, we ensure every job meets strict safety standards and local code requirements.
Gas Line Safety Checks
Gas line issues can pose serious safety risks, which is why WHC offers thorough gas line safety inspections designed to detect problems before they become emergencies. Using professional testing tools and proven evaluation methods, we check for leaks, pressure irregularities, improper fittings, and aging components.
Mechanical System Setup & Service
From heating components to ventilation equipment, WHC handles the full setup and service of residential mechanical systems with precision and expertise. We ensure every mechanical system — including ductwork, gas piping, ventilation components, and HVAC connections — is installed correctly and operates efficiently.
Maintenance & Tune-Ups
Regular maintenance saves money and prevents system failures. WHC offers seasonal tune-ups and thorough system inspections.
Prepare your home for Wisconsin’s harsh winters with a professional seasonal heating tune-up from Wilcox Heating and Cooling.
Seasonal Heating System Tune-Ups
Dust, debris, clogged filters, and worn components can dramatically affect the performance of your HVAC system. WHC provides thorough cleaning and system optimization to restore proper airflow, improve efficiency, and reduce strain on your equipment.
Cleaning & System Optimization
Keep your home cool and efficient through the hottest months with WHC’s seasonal air conditioning tune-ups. We thoroughly inspect your cooling system, clean coils, tighten connections, check refrigerant levels, and verify safe, optimal performance.
Seasonal Cooling System Tune-Ups
Whether you’re buying a home, troubleshooting an issue, or preparing for major service, WHC offers full HVAC system inspections that give you a clear, accurate understanding of your equipment’s condition.
Full HVAC System Inspections
Ready for Reliable Heating & Cooling Service? We’re Here to Help.
Whether you need a repair, a new installation, or an expert opinion, Wilcox Heating and Cooling is committed to delivering honest, high-quality service at a fair price. With 12+ years of hands-on HVAC experience, we provide dependable solutions designed to keep your home comfortable all year long.




