We service heating and cooling systems every day, and we're good at it, from a straightforward AC repair to a complete system overhaul. Whether you own a single-family home, manage a rental portfolio, or run a commercial property, we handle the full range of heating and cooling work that keeps a building comfortable year-round. Trusted by local homeowners and property managers for their heating and cooling, we cover everything from airflow and uneven-temperature troubleshooting to refrigerant leak diagnosis, condenser and compressor service, and air handler and blower work. We'll find the fault and set it right.
When your AC stops cooling, short cycles, refuses to turn on, or starts blowing warm air, we diagnose the problem and fix it. Our technicians work through condenser and compressor issues, evaporator coil problems, and refrigerant leak diagnosis on central air systems of all ages. We also handle AC tune-ups to keep a system running efficiently before the heat of the season hits. If your central air is not performing the way it should, a service call is the right first step.
No heat in the house, a heater that will not turn on, or a system that shuts down unexpectedly, these are problems we handle every day. In Central Florida, heat pumps are the dominant heating solution, and we repair them alongside general heating systems. We also service air handlers and blower components that affect both heating and cooling performance. If your heating system is down or struggling, we can get to you quickly and work through the problem on the spot.
When a repair no longer makes financial sense, or when a home or building needs a new system from the ground up, we handle full HVAC installation and replacement. That includes central system upgrades, mini-split and ductless system installation for spaces where ductwork is not practical, and thermostat and smart-control installation to give you better command over your comfort and energy use. We size systems properly for the space and install them cleanly, with the job finished the way it should be.
Leaking or poorly sealed ductwork wastes conditioned air and drives up energy costs. We repair and seal duct systems to restore airflow and improve efficiency throughout the building. On the air quality side, we install air filtration systems, whole-home air purifiers, and UV air purification units that reduce airborne contaminants. Seasonal tune-ups and pre-season inspections keep systems running reliably and help catch small problems before they become expensive ones. We're one phone call from getting your comfort right.
Whether it's a one-time repair or a full system replacement, understanding the local climate shapes how we approach every job. Central Florida runs a long, intense cooling season with high humidity that puts real stress on HVAC equipment. Apopka sits squarely in that subtropical zone, and the heating and cooling demands here are different from most of the country. Systems work harder, moisture is a constant factor, and the equipment choices that make sense in this region are shaped by that reality. We live here. We keep this area comfortable. We stand behind our work. We give honest recommendations on repair versus replacement, never an upsell, so you can make the right call for your home or building.
Florida's humidity is not just uncomfortable. It drives mold growth, degrades indoor air quality, and makes a space feel warmer than the thermostat reads. A standard air conditioner removes some moisture, but it was not designed to manage humidity independently, and in a subtropical climate it often cannot keep up. A whole-home dehumidifier integrates directly with your existing HVAC system and maintains a set humidity level throughout the building, not just in one room. We assess your current system, recommend the right unit for your square footage, and install and configure it to work alongside your cooling equipment. On a visit, we walk you through the settings and make sure the system is dialed in before we leave.
Heat pumps are the practical choice in a climate where winters are mild and cooling runs most of the year. A single unit handles both heating and cooling, which simplifies the system and keeps operating costs lower than running separate equipment. Florida and the broader South account for the majority of heat pump installations in the country, and for good reason. When it is time to replace an aging system or install heating and cooling in a space that does not have it, a heat pump is usually the right answer here. We size and select the unit for the space, handle the full installation, and make sure the system is operating correctly before the job is done.
A long cooling season means your central air system runs hard for most of the year. An older, lower-efficiency unit that might last a decade in a cooler climate can wear out much faster under Florida conditions, and it costs more to run every month it stays in service. Replacing an aging central AC with a high-efficiency system lowers energy costs and reduces the likelihood of breakdowns during the hottest stretches of the year. We handle the full replacement, from system sizing and equipment selection through installation and testing. We'll get your home comfortable again fast.
Comfort problems don't wait, and neither do we, especially when the AC goes down in the middle of an Apopka summer. A system that stops cooling, an HVAC unit that will not respond, or a complete system failure in a commercial building all need fast attention. We offer same-day availability and after-hours response for urgent situations, covering both residential and commercial customers. Transparent pricing with no hidden fees on any HVAC job means you will know what you are looking at before any work begins, even on an emergency call. We're available when you need us, and we come prepared to work.
You shouldn't have to chase a contractor for answers, especially when you are trying to figure out what a repair or replacement is going to cost. When you call us, we give you a straight answer. We explain what the visit involves, how we diagnose the problem, and how pricing is communicated before any work starts. There are no hidden fees and no surprise charges added after the fact. Whether you need an estimate on a repair or want to know what a full system replacement would run, we walk you through the numbers clearly. Call (321) 241-3235 for a quote and we will schedule a visit at a time that works for you.
Being locally owned keeps us accountable to our own community. When you call us, you reach a real local person who knows the area and can get someone to your door quickly. We work with homeowners, property managers, office buildings, retail properties, and restaurants throughout Apopka and the surrounding Orange County area. Work is performed by qualified HVAC technicians who show up prepared and treat your property with care. Beyond Apopka, we regularly serve customers in Ocoee, Winter Garden, Altamonte Springs, Longwood, Maitland, and Zellwood. If you are in the area and need heating or cooling service, we are close by and ready to help. We'll find the fault and set it right.
We work throughout Apopka and the surrounding Orange County communities. We regularly serve customers in Ocoee, Winter Garden, Zellwood, Mount Dora, Altamonte Springs, Maitland, and Longwood. If you are not sure whether we cover your address, call us at (321) 241-3235 and we will confirm right away.
Yes. We offer same-day appointments and after-hours response for urgent situations, including no-cool and no-heat calls. In Central Florida, a broken AC in the middle of summer is not something that can wait, and we treat it accordingly. Call (321) 241-3235 and we will get a technician to you as quickly as possible.
We work with homeowners, landlords, property managers, and commercial clients. For property managers, we handle multi-unit service calls, scheduled maintenance across a portfolio, and replacement work on aging systems. Every client gets the same qualified technicians and the same transparent pricing, regardless of the scope of the job.
The most common signs are warm air blowing from the vents, the system short-cycling or shutting off unexpectedly, weak or uneven airflow, and the unit not turning on at all. Strange noises or a burning smell coming from the system are also reasons to call promptly. If you notice any of these, call us at (321) 241-3235 and we will walk through the situation with you.
It helps to know the general age of your system, the brand if you can find it on the unit, and a description of what the system is doing or not doing. You do not need to diagnose the problem yourself. A technician will assess the full system on arrival and explain what they find before any work begins.
The technician will introduce themselves, ask about the issue you called in, and then inspect the relevant components of your system. Once they have diagnosed the problem, they will explain what they found and quote the work before touching anything. No repairs are started until you have a clear picture of what is involved and what it will cost.
A repair makes sense when the system is relatively young, the fault is isolated, and the cost is reasonable relative to the system's remaining life. Replacement becomes the better call when repair costs are climbing, the system is aging, or efficiency has dropped significantly. We give honest recommendations on repair versus replacement, never an upsell, so you can make the right decision for your home or building.
Yes. We service offices, retail spaces, restaurants, and other commercial properties throughout the area. The equipment and scale differ from residential work, but the approach is the same: qualified technicians, transparent pricing, and the job done right before we leave.
We need to know the type of system you have, its approximate age, and what it is doing or not doing. For a replacement or installation quote, the square footage of the space matters as well. The most accurate quote comes after a technician has looked at the actual equipment, so we will always confirm pricing on-site before any work starts.
Dillon Heating & Cooling is ready to take your call. One call gets you a real local person, a straight answer on what the job involves, and a scheduled visit at a time that works for your home or business. Pick the date. We do the work. We clean up after. Call (321) 241-3235 for a quote or to schedule your HVAC service today.
We handle the full range of heating and cooling work in Apopka and the surrounding Orange County area, from a single repair call to a complete system replacement. Whether you own a home, manage a rental portfolio, or operate a commercial property, we match the right service to your situation. Every visit comes with transparent pricing and honest recommendations, so you know what you are getting before any work begins. The table below breaks down what each service covers and who it fits best.
| System Service | Scope of Work | Best For | Things to Know |
|---|---|---|---|
| Emergency HVAC Service | same-day availability, after-hours response, no-cool and no-heat calls, commercial and residential emergency service | any customer whose system has failed and cannot wait for a standard appointment | A failed AC in an Apopka summer is urgent. We come prepared to diagnose and work on the first visit. |
| Full System Installation and ReplacementMost Popular | central system replacement, mini-split and ductless installation, system sizing and equipment selection, installation and post-install testing | homeowners and building owners replacing an aging system or installing HVAC in a new space | When repair costs are climbing or efficiency has dropped significantly, a full replacement is usually the better long-term value. |
| Ductwork Repair and Sealing | duct leak detection, duct sealing and repair, airflow balancing, energy loss assessment | homes with uneven temperatures, high energy bills, or reduced airflow from vents | Leaking ducts can waste a significant portion of conditioned air before it ever reaches the living space. |
| AC Repair and Service | condenser and compressor diagnosis, evaporator coil service, refrigerant leak detection, short-cycle and no-cool troubleshooting | homeowners and property managers with an underperforming or failed central AC | Central Florida's long cooling season puts extra wear on AC components; catching problems early keeps repair costs lower. |
| Heating Repair and Service | heat pump heating diagnosis, air handler and blower service, no-heat troubleshooting, system shutdown diagnosis | any customer whose heating system is down or not performing reliably | Heat pumps are the dominant heating solution in Central Florida; we work on them every day alongside general heating systems. |
| Indoor Air Quality and Air Filtration | air filtration system installation, whole-home air purifier installation, UV air purification units, indoor air quality assessment | households concerned about airborne contaminants, allergens, or air quality in general | In a subtropical climate where homes stay closed and AC runs most of the year, indoor air quality matters more than most people realize. |
| High-Efficiency Central AC Replacement | aging system removal, high-efficiency unit sizing and selection, full installation and testing, energy performance comparison | homeowners with an older, lower-efficiency central AC that runs hard through a long Florida cooling season | An older unit that might last a decade in a cooler climate wears out faster here and costs more to run every month it stays in service. |
| Heat Pump Repair and Installation | heat pump diagnosis and repair, single-unit heating and cooling setup, system sizing for the space, full installation and startup testing | homeowners replacing aging equipment or adding heating and cooling to a space without existing ductwork | Heat pumps are the practical choice in a mild-winter, long-cooling-season climate like Apopka's; one unit handles both functions. |
| Whole-Home Dehumidification and Humidity Control | whole-home dehumidifier installation, integration with existing HVAC system, humidity level configuration, post-install walkthrough | Florida homeowners dealing with persistent moisture, mold risk, or a space that feels warmer than the thermostat reads | A standard AC removes some moisture but was not designed to manage humidity independently; a dedicated unit handles what the AC cannot. |
| Seasonal Maintenance and Tune-Ups | pre-season system inspection, coil and filter check, refrigerant level check, component condition review | homeowners and property managers who want to avoid breakdowns during peak season | A tune-up before the heavy cooling season is the most cost-effective way to catch small problems before they become expensive ones. |
| Thermostat and Smart-Control Installation | programmable thermostat installation, smart thermostat setup and configuration, compatibility check with existing equipment, walkthrough of settings before we leave | homeowners who want better control over comfort and energy use | A smart thermostat upgrade is one of the simplest ways to improve efficiency without replacing the full system. |
How do I know when it is time to replace my AC instead of repairing it again?
A repair makes sense when the system is relatively young, the fault is isolated, and the cost is reasonable compared to what the system has left in it. Replacement becomes the better call when repair costs are climbing, the system is aging past ten to fifteen years, or efficiency has dropped noticeably. We give honest recommendations on repair versus replacement on every visit, so you can make the right call for your home or building without pressure.
Why did my AC stop cooling even though it is running?
A system that runs but does not cool is usually dealing with a refrigerant leak, a dirty evaporator coil, a failing compressor, or a restricted airflow problem. In some cases a clogged filter is the culprit. A technician will work through the system to find the actual fault rather than guessing. We explain what we find before any work starts.
How often should I schedule a tune-up for my HVAC system?
Once a year is the standard recommendation for most systems, and in Central Florida the best time is before the heavy cooling season begins. A pre-season inspection catches worn components, low refrigerant, and dirty coils before they cause a breakdown during the hottest stretch of the year. If you run your system hard year-round, which most Apopka homes do, keeping up with annual maintenance is worth it.
Transparent Upfront Pricing
We explain the cost before any work begins. There are no hidden fees and no surprise charges added after the fact, whether the job is a quick repair or a full system replacement.
What are the signs of a refrigerant or airflow problem?
Common signs of a refrigerant issue include warm air blowing from the vents, ice forming on the indoor coil or refrigerant lines, and the system running longer than usual without reaching the set temperature. Airflow problems show up as weak output from vents, uneven temperatures between rooms, and a system that short-cycles. Both situations call for a technician visit rather than a DIY fix.
Why is one room in my home hotter or colder than the rest?
Uneven temperatures usually point to a ductwork problem, a blocked or undersized vent, or a system that was not sized correctly for the space. In some cases the issue is an aging air handler or a blower that is not moving enough air. We diagnose the cause rather than just adjusting the thermostat, because the fix depends on what is actually causing the imbalance.
What do strange noises from my HVAC unit mean?
A banging or clanking noise often points to a loose or broken component inside the air handler or blower assembly. A high-pitched squealing can indicate a belt or bearing issue. A grinding sound is usually a motor problem. Clicking at startup and shutdown is normal, but clicking that continues while the system runs can signal a relay or control issue. If the noise is new or getting worse, it is worth a call.
Same-Day and Emergency Availability
We offer same-day appointments and after-hours response for urgent situations. A failed AC in an Apopka summer cannot wait, and we treat it that way.
Do I need to be home when the technician arrives?
Someone over eighteen should be present for the visit so the technician can ask about the issue, access the equipment, and walk through the findings with you before any work starts. If you manage a property and cannot be there yourself, a property manager or authorized contact works fine. We confirm the scope and pricing with whoever is on-site before touching anything.
How does your pricing and estimate process work?
When you call, we explain what the visit involves and how pricing is communicated. On arrival, the technician inspects the system and explains what they found before quoting the work. No repairs start until you have a clear picture of what is involved and what it will cost. There are no hidden fees and no charges added after the fact.
Work Performed by Qualified HVAC Technicians
Every job is handled by qualified HVAC technicians who show up prepared, work through the problem systematically, and explain what they find before starting any repairs.
Can a dirty filter or dirty coil actually hurt my system's performance?
Yes, and more than most people expect. A clogged filter restricts airflow to the point where the system has to work harder to move air, which strains the blower motor and can cause the evaporator coil to ice over. A dirty coil reduces the system's ability to transfer heat, which drops efficiency and can lead to compressor problems over time. Changing filters regularly and keeping up with annual maintenance prevents most of these issues.
What does a whole-home dehumidifier do that my AC does not?
A standard air conditioner removes some moisture as a byproduct of cooling, but it was not designed to manage humidity as a primary function. In a subtropical climate like Central Florida's, the AC often cannot keep up, especially on mild days when the system does not run long enough to pull meaningful moisture out of the air. A whole-home dehumidifier integrates with your existing HVAC system and maintains a set humidity level throughout the building regardless of whether the AC is actively cooling.
How long does a full system replacement take?
Most residential system replacements are completed in one day. The timeline depends on the complexity of the installation, whether any ductwork modifications are needed, and the size of the equipment. We give you a realistic estimate of the time involved before the job starts so you can plan accordingly.
Call (321) 241-3235 and we will walk you through your options, give you a straight answer on what the job involves, and get a visit scheduled at a time that works for you.
(321) 241-3235