Expert HVAC solutions for homes and businesses across Warrenton, MO. Certified technicians, transparent pricing, and results you can count on.
Browse our full range of heating, cooling, and air quality services available in your area.
When your heat pump struggles to maintain temperature or runs continuously without reaching setpoint, the problem often traces to refrigerant leaks, failing capacitors, or degraded reversing valves. Skilled technicians restore rated HSPF and SEER performance through systematic component-level troubleshooting.
Ductless mini-split systems deliver zoned comfort without invasive ductwork, making them ideal for additions, garages, and older homes. Professional installation includes refrigerant line routing, condensate management, and electrical circuit provisioning to achieve rated SEER performance up to 33 in top models.
Air conditioning failures range from simple capacitor replacements to complex compressor and refrigerant circuit repairs requiring EPA Section 608 certified handling. Our technicians diagnose the root cause using superheat and subcooling measurements, amp draws, and pressure readings to restore full cooling output.
A correctly sized heat pump installation eliminates the guesswork of mismatched equipment and undersized ductwork. Our technicians perform load calculations, verify airflow across the evaporator coil, and commission the system to manufacturer specifications for peak efficiency and longevity.
A dryer that takes multiple cycles to dry clothes or feels excessively hot to the touch signals a restricted vent line. Technicians clear lint accumulation using rotary brush systems and compressed air, then verify exhaust velocity meets manufacturer specifications for safe, efficient operation.
An annual air conditioning tune-up catches refrigerant leaks, worn contactor points, and degraded fan motors before they cascade into compressor damage. Technicians measure temperature differential across the coil, verify amp draws, and confirm proper subcooling to protect your investment.
Sudden HVAC failures often stem from compressor lockout, blown transformer fuses, failed gas valves, or tripped high-pressure switches. Emergency repair service provides same-day response with technicians equipped to diagnose and resolve critical faults across all major heating and cooling equipment brands.
A comprehensive furnace tune-up includes combustion analysis, heat exchanger inspection, and verification of gas pressure at the manifold. Technicians clean burners, test flame sensor microamp readings, and confirm proper flue draft to maintain safe, efficient operation throughout the heating season.
Ductless mini-split systems require specialized diagnostics for inverter-driven compressors, electronic expansion valves, and multi-zone communication boards. Our technicians resolve issues including refrigerant leaks at flare connections, blinking error codes, frozen evaporator coils, and failing fan motors.
Upgrading to a smart thermostat enables precise scheduling, remote access, and energy usage reporting that can reduce heating and cooling costs by 10 to 15 percent. Professional installation ensures correct wiring to your HVAC system, including C-wire verification and multi-stage equipment compatibility.
Properly sealed and insulated ductwork is essential for delivering rated BTU output to every room in your home. Our technicians repair collapsed sections, seal leaks with UL-listed mastic and mechanical fasteners, and verify balanced airflow across all supply registers after service.
Comprehensive HVAC inspections cover thermostat operation, ductwork condition, refrigerant levels, electrical connections, and combustion safety. This detailed assessment identifies efficiency losses, safety hazards, and components nearing end of service life before they result in costly emergency repairs.
Clean ductwork directly impacts the efficiency of your HVAC system by reducing static pressure and allowing unrestricted airflow to every register. Our technicians inspect for microbial growth, seal access points after service, and verify airflow improvements with anemometer readings post-cleaning.
Full HVAC installation requires coordination of heating equipment, cooling components, ductwork design, and control systems to deliver efficient comfort at rated capacity. Our technicians perform Manual J and Manual D calculations, size equipment to match your structure, and commission the system to manufacturer standards.
Boiler systems demand specialized knowledge of hydronic circuits, expansion tanks, pressure relief valves, and combustion analysis. Our technicians diagnose issues ranging from kettling and low water pressure to faulty zone valves and circulator pump failures across gas, oil, and electric units.
In a city like Warrenton, word travels fast — and that is exactly how most of our customers find us. KIC Refrigeration has earned the trust of Warrenton property owners through years of delivering honest system evaluations, quality HVAC installations, and heating and cooling systems that keep families comfortable without inflated utility bills.
We believe the best advertising is a neighbor who stays comfortable all year. That is why every KIC Refrigeration project in Warrenton, MO is completed to the highest standard, backed by our workmanship warranty and manufacturer guarantees, and supported by a team that answers the phone when you call. Your trust is our most valuable asset.
Built on NATE certification, transparent pricing, and a guarantee that we stand behind.
You receive a written estimate with itemized parts and labor costs before any work begins, and the final invoice matches. No diagnostic fees hidden in the repair bill, no surprise surcharges — just honest pricing you can verify and trust.
HVAC failures do not wait for business hours and neither do we. Our emergency technicians are dispatched around the clock — nights, weekends, and holidays — so you never go without heat in winter or cooling in the peak of summer.
Every technician on our team holds current NATE certification — the highest standard in the HVAC industry for installation and service competency. You get a technician who has passed rigorous exams on system diagnostics, refrigerant handling, and equipment commissioning.
If the repair does not solve the problem or the installation does not perform to specification, we come back and make it right at no additional cost. Our guarantee covers workmanship, parts, and system performance because half-finished work is not in our vocabulary.
Every technician carries EPA Section 608 Universal certification for refrigerant handling — required by federal law for working with R-410A, R-22, R-32, and all regulated refrigerants. Your system is serviced by technicians who handle refrigerants legally and responsibly.
Common questions about HVAC service, costs, and what to expect when you call.
Heat pumps offer both heating and cooling from a single outdoor unit, making them significantly more energy-efficient than furnaces for moderate climates. A heat pump does not generate heat — it transfers it from outdoor air, which requires far less energy than burning gas or running electric resistance coils. Modern cold-climate heat pumps with variable-speed inverter compressors operate effectively down to minus 15 degrees Fahrenheit, making them viable in most Missouri locations. For Warrenton homeowners with natural gas access, a dual-fuel system — heat pump for primary heating paired with a gas furnace for backup during extreme cold — often provides the best balance of efficiency and performance. Heat pumps also qualify for federal tax credits under the Inflation Reduction Act. KIC Refrigeration evaluates your specific climate zone, insulation levels, and utility rates to determine whether a heat pump, furnace, or dual-fuel system is the smartest investment.
The National Air Duct Cleaners Association recommends professional duct cleaning every 3 to 5 years for most Warrenton homes. However, several factors can shorten that interval: households with pets that shed, family members with allergies or asthma, smokers in the home, and properties that have undergone recent renovation or construction work should consider cleaning every 2 to 3 years. Warning signs that your ducts need attention include visible dust or debris accumulating at register openings, musty or stale odors when the system runs, unexplained respiratory symptoms, and inconsistent airflow between rooms. Our NADCA-compliant cleaning process uses truck-mounted vacuum equipment and rotary brush agitation to remove dust, allergens, mold spores, and debris from your entire duct system. We also inspect for disconnected joints, damaged insulation, and air leaks that reduce system efficiency.
HVAC repair costs in Warrenton typically range from $150 to $500 for minor fixes such as capacitor replacement, contactor swaps, or thermostat wiring issues. Mid-range repairs like blower motor replacement or refrigerant recharging run $500 to $1,200. Major repairs — including compressor replacement, heat exchanger repair, or evaporator coil swap — cost $1,200 to $2,500 or more depending on equipment brand and system type. The final price depends on whether you have a furnace, heat pump, air conditioner, boiler, or ductless mini split, as parts and labor vary significantly between system types. Our NATE-certified technicians diagnose the issue accurately on the first visit, and KIC Refrigeration provides a written estimate with transparent pricing before any work begins. We never charge a diagnostic fee when you proceed with the recommended repair.
Yes. The EPA estimates that Energy Star certified smart thermostats save Warrenton homeowners an average of 8 percent on heating and cooling costs annually, which translates to $50 to $150 per year for a typical household. Models from Ecobee, Nest, and Honeywell Home use occupancy sensors, geofencing, and learning algorithms to build a schedule around your actual habits, automatically lowering temperatures when you leave and restoring comfort before you return. Many smart thermostats also provide energy usage reports, filter change reminders, and maintenance alerts that help you keep your system running efficiently. Some Missouri utility providers offer rebates of $50 to $100 on qualifying smart thermostat purchases, further reducing the cost. KIC Refrigeration installs and configures smart thermostats to communicate properly with your specific HVAC system — including multi-stage equipment and heat pumps that require specialized wiring.
Yes. KIC Refrigeration provides around-the-clock emergency heating and cooling repair throughout Warrenton and surrounding Missouri communities. Whether your furnace fails during a cold snap and pipes are at risk of freezing, your air conditioner dies during a dangerous heat wave, or you detect the smell of gas near your equipment, our technicians respond quickly. Every service vehicle carries common replacement parts — capacitors, contactors, ignitors, blower motors, control boards, and refrigerant — so most emergency repairs are completed in a single visit. We do not charge extra trip fees for after-hours calls, and our dispatchers are trained to triage situations over the phone so the right technician arrives with the right equipment. Call us anytime and we will have a crew on the way.
We recommend professional HVAC maintenance at least twice per year for Warrenton homeowners — once in spring to prepare your cooling system and once in fall to prepare your heating system. Each tune-up includes a comprehensive multi-point inspection covering filter replacement, refrigerant level verification, electrical connection tightening, thermostat calibration, condensate drain clearing, and performance testing. For the heating check, technicians also inspect the heat exchanger for cracks, test safety switches, and verify gas pressure on furnaces and boilers. Routine maintenance catches small problems — like a failing capacitor or a dirty flame sensor — before they cause complete system failures. Industry data shows that well-maintained HVAC systems last 15 to 20 years compared to 10 to 12 years for neglected equipment, and they operate 15 to 25 percent more efficiently throughout their lifespan.
Thousands of satisfied customers — here is what a few of them had to say.
"KIC Refrigeration installed a new furnace for us last winter. The team was respectful of our home, wore boot covers, and cleaned up everything. Top notch."
"AC repair was fast and fairly priced. The compressor was failing and they had the part on the truck. Done in about ninety minutes."
"Called for a second opinion on an HVAC installation quote from another company. They came in significantly lower with better equipment. Glad I shopped around."
Professional heating and cooling services extending to neighboring cities and towns.