RK Heating & Cooling

Name: RK Heating & Cooling
Address: 975 W Terra Ln, O'Fallon, MO 63366, United States, US
Telephone: +1 636-542-8988

Air Conditioning Repair & Installation

When the summer heat hits O'Fallon, you need an air conditioner you can count on. RK Heating & Cooling provides full AC repair and installation services for residential and commercial customers. From central air systems to ductless mini splits, we diagnose and fix cooling issues fast. Our technicians are trained in the latest refrigerant handling and energy-efficient equipment. We service all major brands, repair common problems like frozen coils, faulty compressors, and refrigerant leaks, and i...

Heating & Furnace Services

Winters in O'Fallon demand a reliable heating system. RK Heating & Cooling specializes in furnace repair, heating service, and full furnace installation. Whether you have a gas furnace, heat pump, or electric heating system, we handle everything from noisy blowers and uneven heating to complete system failure. Our team responds quickly to emergency heating calls, often within 24 hours for signature plan members. We also provide seasonal heating tune-ups to catch problems before they leave you co...

Heat Pumps & Indoor Air Quality

Heat pumps are an energy-smart choice for O'Fallon homes, providing both heating and cooling year-round. At RK Heating & Cooling, we install, repair, and maintain all types of heat pumps—air-source, ductless, and hybrid systems. Our technicians understand the unique defrost cycles, reversing valves, and electrical components that keep your heat pump efficient down to freezing temperatures. Beyond temperature control, we also improve the air you breathe with indoor air quality solutions. From who...

HVAC repair in O'Fallon

When your heating or cooling system stops working, we respond quickly to figure out what went wrong. Our technicians work on residential and light commercial systems, from thermostats and blowers to compressors and electrical components. We explain the problem in plain terms, give you upfront pricing before any work begins, and fix it right the first time. Many repairs can be scheduled same-day, so you are not left waiting through a hot summer or a cold night. Call us and we will get your home c...

Heating service

Keeping your heating system running well starts with regular service. We inspect and clean your furnace or heat pump, check electrical connections, test safety controls, and verify airflow so problems are caught before the first cold snap. For gas systems we also run carbon monoxide testing. Our seasonal tune-ups help your system run more efficiently and last longer. If something needs attention, we will tell you what it is and what it costs before we start, and we will leave your home clean whe...

AC installation in O'Fallon

A new air conditioner should keep your home cool for years, which is why we take time to size and match the system to your house. We install central air units and ductless mini splits, and we can recommend high-efficiency models that lower monthly energy bills. Every installation includes a careful check of the connections, refrigerant levels, and airflow. We offer free estimates on replacements and financing options to help spread out the cost. Reach out and we will walk through the choices wit...

Furnace repair in O'Fallon

A furnace that is noisy, blowing cold air, or heating unevenly needs prompt attention. We diagnose the cause, whether it is a faulty blower, ignition problem, or worn component, and repair it with quality parts. We also check safety systems and carbon monoxide levels while we are working on the unit. If the repair cost starts to outweigh the value of an aging furnace, we will be honest about your options, including replacement. You will get a clear explanation and straightforward pricing every s...

Emergency HVAC service

When your heat or air fails at the worst possible time, you need someone to answer the phone. We provide emergency service for heating and cooling problems, and our team works to reach your home quickly. Our technicians focus on getting your system safely running again and explain what they found along the way. Pricing is transparent, so you know what to expect even during an urgent call. If you are dealing with a breakdown right now, give us a call and we will do our best to help.

Heating and cooling in O'Fallon

Your home needs to stay comfortable in every season, and a single system that heats and cools well makes that possible. We service, repair, and install both heating and cooling equipment, including furnaces, air conditioners, and heat pumps. Because we handle the whole system, we can spot how the two work together and recommend changes that improve comfort and efficiency. Whether you need maintenance, a repair, or a new installation, we treat your home with care and keep you informed throughout.

Air conditioner repair in O'Fallon

Warm air from your vents or a unit that will not turn on is frustrating, especially in summer. We repair all major brands of air conditioners, dealing with issues such as frozen coils, refrigerant leaks, failed compressors, and electrical faults. Our technicians handle refrigerant safely and use the proper tools to find the real cause, not just the symptom. We will tell you what the repair involves and what it costs before we begin. Give us a call to get your air conditioner cooling again.

Heat pump service

Heat pumps provide both heating and cooling, and they need knowledgeable service to perform well through the seasons. We install, repair, and maintain air-source, ductless, and hybrid heat pumps. Our technicians understand defrost cycles, reversing valves, and the electrical controls that keep these systems efficient in cold weather. Regular service helps prevent breakdowns and keeps your energy use in check. If your heat pump is not keeping up, let us take a look and explain what we find.