HVAC Services in Lebanon, OH

Summers in Lebanon can heat up quickly, and the humidity doesn’t make it any easier. When your air conditioner isn’t keeping up, you feel it right away. Hill-Air Heating & Air Conditioning is the cooling company homeowners turn to when their cooling system starts falling behind. Our air conditioning services cover everything from new installations to the emergency AC service Lebanon, OH, uses to stay cool and comfortable.

Air Conditioning Installation

Not all air conditioners cool the same, and that shows up fast once you’re using them. Single-stage systems turn on and off, while variable-speed systems adjust throughout the day to maintain a steady temperature. During your air conditioning installation in Lebanon, we match the system type and SEER level to your home so it keeps up without overworking.

Air Conditioning Maintenance

As your AC gets older, it doesn’t handle Lebanon’s hot, humid summers the same way it used to. It runs longer, struggles to pull out humidity, and starts to lose efficiency. Our AC maintenance in Lebanon focuses on cleaning, checking refrigerant, and tuning things up so your system can keep up as it ages.

Air Conditioning Repair

If your air conditioner won’t turn on, blows warm air, or just can’t keep the house cool, there’s usually a specific component causing it. That could be a failed capacitor, low refrigerant, or a clogged coil restricting airflow. We handle air conditioning repair in Lebanon by testing the system, pinpointing the issue, and replacing or repairing the exact part that’s failing.

Air Conditioning Replacement

If your air conditioner is 12–15+ years old or repairs are starting to feel like they’re just buying you a little more time, it may be time to start thinking bigger. At that point, you’re usually putting money into a system that’s not going to turn the corner. We can walk you through your air conditioning replacement in Lebanon and help you decide what makes sense.

Your air handler is what actually moves air through your home. If it’s not working right, you’ll notice weak airflow, uneven rooms, or parts of the house that never feel comfortable. Even a good system can’t do much without proper airflow. Our air handler services in Lebanon include installation, repair, and maintenance to keep air moving.

Air Handler Installation

When installing an air handler, it has to match the rest of your system and your home’s layout. If it’s not set up correctly, you’ll deal with uneven airflow and inconsistent temperatures. Our air handler installation in Lebanon ensures everything is sized and connected properly so each room gets the airflow it needs.

Air Handler Maintenance

Over time, dust builds up and parts inside the air handler start to wear down, especially with how often systems run in Lebanon. That leads to weaker airflow and extra strain on the system. Our air handler maintenance in Lebanon includes cleaning the blower, checking electrical components, and making sure nothing is restricting airflow.

Air Handler Repair

If airflow feels weak, the fan isn’t turning on, or you’re hearing new noises, something isn’t working right. These issues can come from worn parts, electrical problems, or buildup inside the unit. Our air handler repair in Lebanon finds the issue quickly and gets air moving through your home the way it should again.

A lot of homes in Lebanon—especially older ones—rely on boilers for heat. They do a great job of keeping things warm and even, but like any system, they need the right setup and care. We work on gas, oil, and electric boilers, including newer high-efficiency models. Our boiler services in Lebanon cover everything you need to keep your heat working when winter hits.

Boiler Installation

Installing a boiler isn’t just about the unit—it’s about how it works with your home. We look at your layout, your radiators or baseboards, and how heat moves through the system. During your boiler installation in Lebanon, we make sure everything is connected and set up so heat actually reaches every room the way it should.

Boiler Maintenance

When it’s cold in Lebanon, your boiler is running a lot, and small issues can build up over time. That’s why routine service matters. Our boiler maintenance in Lebanon includes checking pressure, inspecting valves, and making sure everything is operating safely. It helps your system run smoother and lowers the chance of problems in the middle of winter.

Boiler Repair

When a boiler has an issue, it’s usually pretty obvious. You might hear loud noises in the pipes, notice certain rooms aren’t heating well, or see water near the unit. Our boiler repair in Lebanon focuses on finding exactly what’s causing the problem and fixing it so your system can heat your home normally again.

Boiler Replacement

If your boiler isn’t keeping up anymore or seems to need repairs every winter, it may be time to replace it. Older systems tend to use more energy and don’t heat as evenly. Our boiler replacement in Lebanon helps you switch to a newer system that’s more reliable and easier to live with.

Not every home in Lebanon is set up for ductwork, and even in homes that are, some rooms just never feel right. Maybe it’s a finished attic, a bonus room, or a space over the garage that’s always too hot or too cold. Ductless mini splits are a wonderful way to fix that. Our ductless mini split services in Lebanon include installation, maintenance, repair, and replacement for targeted comfort exactly where you need it.

Ductless Mini Split Installation

Ductless systems give you flexibility based on how many areas you need to control. You can install a single-zone system for one room or go with a multi-zone setup to cover multiple spaces. We install them in homes, garages, and more. With a ductless mini split installation in Lebanon, you can fix problem areas without installing a traditional (and much larger) HVAC system.

Ductless Mini Split Maintenance

If your ductless system isn’t maintained, you’ll start to notice weaker airflow, longer run times, or rooms not staying as comfortable. A lot of that comes down to dirty filters or components inside the unit. Our ductless mini split maintenance in Lebanon keeps everything clean and operating normally so performance doesn’t slip.

Ductless Mini Split Repair

If the system runs constantly but the space still feels off—too warm in summer or not quite warm in winter—it’s usually not operating efficiently. That can come from airflow restrictions, low refrigerant, or internal component issues. Our ductless mini split repair in Lebanon gets to the root of it so the system can keep up again.

Ductless Mini Split Replacement

Most ductless systems last around 10–15 years depending on usage and maintenance. If yours is getting close to that range and not keeping the space comfortable, a replacement may be recommended. With a ductless mini split replacement in Lebanon, we install equipment that runs stronger and more consistently.

A good furnace in your Lebanon home is the difference between being warm and comfortable or waking up to a cold house and scrambling to call a furnace contractor. When it’s working right, you don’t think about it—but when it’s not, it’s all you can focus on. Our Lebanon, Ohio, HVAC contractors install high-quality furnaces and service and maintain them, too. Our furnace services in Lebanon cover all makes and models so your home stays comfortable no matter how cold it gets.

Furnace Installation

When you’re installing a new furnace, efficiency matters—especially with how often it runs in the winter. AFUE (Annual Fuel Utilization Efficiency) tells you how much of the fuel actually turns into heat for your home. Higher ratings mean less wasted energy and lower bills over time. With a new furnace installation in Lebanon, we’ll help you choose the right system and get it installed quickly.

Furnace Maintenance

Furnaces in Lebanon run hard for months, and small issues can build up fast if they’re not checked. Dirty burners, clogged filters, and worn parts all affect how well your system heats. Our furnace maintenance in Lebanon includes cleaning, airflow checks, filter changes, and safety testing so your system runs reliably when it’s cold out.

Furnace Repair

Furnace problems don’t wait for a good time—they show up on cold mornings or overnight when you need heat most. You might wake up to a cold house or notice the system isn’t keeping up. Our furnace repair in Lebanon finds the issue—whether it’s ignition, airflow, or a worn part—and gets your heat back on quickly. We also provide the emergency furnace repair Lebanon homeowners can rely on.

Furnace Replacement

If your furnace needs repairs every winter or isn’t heating the house like it used to, it may be time to replace it. At a certain point, you’re putting money into a system that isn’t going to improve. Our furnace replacement in Lebanon helps you upgrade to a more efficient system that heats more evenly and costs less to run.

More homeowners in Lebanon are switching to heat pumps because they handle both heating and cooling in one system. In the summer, they cool like a standard AC. In the winter, they pull heat from the outside air—even when it’s cold—and bring it inside. Our heat pump services in Lebanon cover installation, maintenance, repair, and replacement so your system can handle year-round use.

Heat Pump Installation

Today’s heat pumps come with different efficiency levels, measured by SEER2 for cooling and HSPF2 for heating. Higher ratings mean better performance and lower energy use. With heat pump installation in Lebanon, we help you choose between single-stage, two-stage, or variable-speed systems based on your budget and personal preferences. 

Heat Pump Maintenance

Because heat pumps run year-round, they don’t get a break like other systems. That leads to faster wear on components and more buildup on coils. Our heat pump maintenance in Lebanon includes cleaning, refrigerant checks, and system testing to keep everything running efficiently.

Heat Pump Repair

If your system won’t switch between heating and cooling or keeps cycling on and off, it’s not operating correctly. That can come from sensor issues, electrical problems, or worn parts. Our heat pump repair in Lebanon focuses on restoring proper performance so your home stays comfortable.

Heat Pump Replacement

If your heat pump is getting older and you’re starting to question it every season change, that’s usually a sign. You turn it on expecting heat or cooling, and it just doesn’t respond the way it used to. At that point, heat pump replacement in Lebanon helps you move to a system you don’t have to think twice about.

If your home gets dusty fast or allergies seem worse indoors, an air purifier can make a noticeable difference. These systems work with your HVAC system to capture pollen, pet dander, and other particles before they circulate. With air purifier installation in Lebanon, the unit is built into your system so it cleans the air continuously. If airflow drops, filters clog faster than expected, or the unit stops pulling particles effectively, our air purifier repair in Lebanon gets it back to cleaning properly.

Carbon monoxide is dangerous because you can’t see or smell it, and it can come from everyday appliances like furnaces and water heaters. That’s why working detectors are so important. With carbon monoxide detector installation in Lebanon, we place and test detectors in the right areas so you’re protected where it matters most.

If your home feels sticky in the summer or you notice musty smells, excess humidity is usually the cause. That moisture can also lead to mold over time. A dehumidifier installation in Lebanon removes that excess moisture as air moves through your system. If humidity levels stay high, the unit runs constantly, or it stops draining properly, our dehumidifier repair in Lebanon gets moisture levels back under control.

During the winter, dry air can make your home uncomfortable—dry skin, sore throats, and static are all common. A whole-home humidifier adds moisture back into the air as your system runs. With humidifier installation in Lebanon, you get more balanced indoor air, and if humidity levels drop, the unit stops producing moisture, or water flow is restricted, our humidifier repair in Lebanon restores proper operation.

Standard filters only catch so much. If you want better filtration, a media air cleaner captures smaller particles like dust, pollen, and pet hair. With media air cleaner installation in Lebanon, it’s added to your system to improve air quality with every cycle. If airflow becomes restricted, filters clog too quickly, or particles start circulating again, our media air cleaner repair in Lebanon gets it working again.

If your home never feels quite right or temperatures keep shifting, your thermostat may be the issue. It controls how your system runs, so accuracy matters. With thermostat installation in Lebanon, we can upgrade you to a programmable or smart model. If it won’t turn the system on or off, shows the wrong temperature, or loses connection to your HVAC system, a thermostat repair in Lebanon fixes the problem.

If you’re concerned about airborne contaminants like bacteria or mold spores, a UV air cleaner can help. It treats the air as it passes through your system, reducing what circulates through your home. With UV air cleaner installation in Lebanon, we place it directly in your HVAC system. If the bulb burns out, the unit stops activating, or it’s no longer reducing odors or contaminants, our UV air cleaner repair in Lebanon restores that protection.

Moisture inside your HVAC system can lead to mold growth, especially around coils and inside the air handler. A UV light helps prevent that from developing in the first place. With UV light installation in Lebanon, we place it where buildup is most likely. If the light stops working, the bulb fails, or mold starts forming again, our UV light repair in Lebanon gets it back to protecting your system.