Dynamic Services HVAC has been handling residential and commercial heating and cooling in Lawrenceville and across Gwinnett County since 2014. Trusted by local homeowners and property managers for their heating and cooling, we show up ready to diagnose, repair, or replace whatever your system needs. Same-day service. Upfront pricing. Qualified technicians.
Whether your AC stopped working in the middle of a Georgia summer or your furnace is struggling on a cold January night, call (678) 892-8789 for a quote and we will get a technician out to you.
We built this business around HVAC work like this, and we have spent more than a decade doing it right here in Gwinnett County. From single-family homes to rental properties, small businesses to commercial buildings, we handle the full range of heating and cooling work. We built this business here, and our name is on every job. That means code-compliant HVAC work on every job, no shortcuts, no corners cut.
Lawrenceville summers are long, humid, and unforgiving. When your air conditioner stops cooling, starts short-cycling, or just cannot keep up with the heat, we come out, diagnose the problem, and get it fixed. A visit typically covers the condenser and compressor, refrigerant levels and leak checks, airflow through the system, and any electrical controls on the unit. If your home has uneven temperatures from room to room, that is often an airflow issue we can trace back to the equipment or the duct system. We're ready to get your heating and cooling running again.
Georgia winters are mild compared to the north, but a furnace blowing cold air or a heater that will not start still makes for a miserable night. We diagnose heating failures quickly, whether it is a failed igniter, a faulty blower, a tripped limit switch, or something else keeping your furnace from doing its job. We check the air handler and blower components, verify heat output, and make sure the system is running safely before we leave.
Heat pumps are the dominant system type across Gwinnett County, and they are a core part of what we do every day. A heat pump that is not heating in winter or not cooling in summer needs a technician who understands how these systems work in both modes. We handle refrigerant diagnosis, reversing valve issues, defrost cycle problems, and anything else that keeps a heat pump from performing. If your system is struggling, reach out and a technician will follow up.
Mini-splits are a practical solution for room additions, sunrooms, garages, and older homes that were not built with ductwork. We install and repair ductless systems for homeowners and commercial clients who need targeted comfort in spaces a central system cannot easily reach. If you are adding a room or converting a space, a mini-split is often the cleanest answer.
Leaking ductwork wastes conditioned air, drives up energy costs, and causes uneven temperatures across the home. We locate leaks, repair damaged sections, and seal the duct system so your equipment is not working harder than it needs to. If some rooms in your home are always too hot or too cold, the ducts are often where we start looking.
A thermostat that is not reading correctly or communicating with your system can make a perfectly good HVAC unit behave erratically. We install programmable and smart thermostats, check compatibility with your existing equipment, and make sure the controls are calibrated and working before we wrap up. Upgrading to a smart control can make a noticeable difference in how consistently your home stays comfortable.
Georgia is hard on air quality. Pollen season runs long, and humidity keeps allergens and particulates in the air longer than in drier climates. We install whole-home air filtration systems and air purifiers that work with your HVAC equipment to reduce what your family is breathing. If you have allergy concerns or just want cleaner air moving through the home, we can walk you through the options.
A pre-season tune-up is the most reliable way to catch a problem before it becomes an emergency. We inspect the equipment, clean components, check refrigerant charge, test controls, and make sure everything is ready for the season ahead. A well-maintained system runs more efficiently, lasts longer, and is far less likely to fail on the hottest or coldest day of the year. Call (678) 892-8789 to schedule a maintenance visit before the season gets ahead of you.
When the heat or the AC quits, waiting a week for a technician is not an option. We offer same-day and after-hours service for heating and cooling emergencies across Lawrenceville and the surrounding area. No cool air in a Georgia summer and no heat on a cold night are both situations we take seriously. We keep you informed from diagnosis to final test, so you always know what we found, what we are doing about it, and what it will cost before we start the work. We pick up the phone. We arrive on time. We check before we leave.
Pick up the phone and we'll get started.
Staying ahead of HVAC problems keeps your home comfortable, and in Gwinnett County, the climate makes a few specific services more important than they might be elsewhere. Hot, humid summers, mild but variable winters, and year-round moisture in the air all shape what local homes and businesses actually need from their HVAC systems. The services below come up constantly in this area, and we have the experience to handle them well.
When a system is old, failing, or simply no longer able to keep up with the load, replacement is often the smarter call. Georgia's long cooling season means a failing AC compounds quickly. Running an undersized or worn-out system through a Lawrenceville summer costs more in energy and repairs than a replacement would. We assess the equipment honestly and give you honest recommendations on repair versus replacement, never an upsell. When replacement is the right move, we handle the full swap-out, from removing the old equipment to commissioning the new system, with code-compliant work from start to finish.
Mild winters and hot summers make heat pumps one of the most practical and efficient choices for homes in Gwinnett County. A heat pump handles both heating and cooling from a single system, which simplifies maintenance and often reduces operating costs compared to a separate furnace and AC setup. We install heat pumps for homeowners replacing aging equipment, building additions, or switching from an older system type. If you are weighing your options, we can help you figure out whether a heat pump is the right fit for your home.
A standard air conditioner removes some humidity as it cools, but Lawrenceville summers bring persistent moisture that a typical AC alone may not fully manage. When indoor humidity stays high even with the AC running, a whole-home dehumidifier integrated with your HVAC system is the right solution. High indoor humidity makes the home feel warmer than it is, strains the cooling equipment, and creates conditions where mold and air quality problems can develop. We install whole-home dehumidification systems sized for the home and connected to the existing HVAC setup. It is one of the most practical comfort upgrades available for homes in this part of Georgia.
You shouldn't have to chase a contractor for answers, and we work hard to make sure you do not have to. We serve homeowners, landlords, property managers, and businesses across Gwinnett County. Whether you manage a single rental unit or a portfolio of commercial properties, we understand that a down system means a call from a tenant or a disruption to your business. We respond quickly, communicate clearly, and get the work done without dragging out the timeline. Reach out and a technician will follow up.
The hardest part of an HVAC problem is knowing when to call, and we try to make that decision easy. When you call (678) 892-8789, you reach someone who can talk through what you are experiencing and get a technician scheduled. On the visit, we diagnose the system, explain what we found in plain language, and give you a clear picture of the work and the cost before anything is approved. Work is performed by qualified HVAC technicians who know these systems and take the job seriously. We protect your home. We service your system. We earn the call.
We are a local HVAC contractor serving Lawrenceville and the broader Gwinnett County area. If you are nearby, we can get to you. Our service area includes:
If your town is not on this list, call anyway. We cover a wide area across Gwinnett County and the surrounding communities.
When we determine that replacement is the right call, we walk you through the options for new equipment, size the system correctly for your home, and handle the full installation from removing the old unit to commissioning the new one. We do not leave you to figure out the next steps on your own. Everything is explained before work begins.
We look at the age of the equipment, the nature and cost of the repair, and how the system has been performing overall. A system that is failing repeatedly or is significantly undersized for the home is often a better candidate for replacement than another round of repairs. We give you honest recommendations and the reasoning behind them before you decide anything.
Gwinnett County's mild winters and hot summers put the area in the sweet spot for heat pump performance. A heat pump handles both heating and cooling from a single system, which simplifies maintenance and often lowers operating costs compared to running separate equipment. We install heat pumps for homeowners replacing aging systems or switching from an older setup.
A standard air conditioner removes some humidity as it cools, but persistent Georgia summer moisture can keep indoor humidity high even when the AC is running well. A whole-home dehumidifier works continuously alongside your HVAC system, pulling excess moisture from the air regardless of whether the AC is actively running. High indoor humidity makes the home feel warmer, strains the cooling equipment, and can contribute to mold and air quality problems.
Unusual sounds are usually a sign that something mechanical has shifted, worn, or come loose inside the system. Banging can indicate a loose component, squealing often points to a belt or bearing issue, and rattling may mean debris in the system or a panel that is not secured. These sounds are worth addressing promptly because they tend to get worse and can lead to more serious damage if left alone.
If some rooms are consistently too hot or too cold while others are comfortable, the ductwork is often the first place to look. Leaking or poorly sealed ducts waste conditioned air before it reaches the room. We trace airflow problems back to their source, whether that is the equipment, the ducts, or a combination of both.
For work that requires a permit, we handle that as part of the job. Code-compliant HVAC work means following the local requirements for Lawrenceville and Gwinnett County, including any inspections that are part of the process. We will let you know upfront if a permit applies to your job.
No heat on a cold night, no cooling during a Georgia summer, a system that will not turn on at all, or a unit blowing warm air when it should be cooling are all situations we treat as emergencies. If your home or building has lost climate control and the conditions are uncomfortable or unsafe, that is a reason to call right away. We take after-hours and weekend emergency calls.
After-hours and emergency calls may carry a different rate than standard daytime appointments. We will be upfront about any difference in cost before we send a technician, so you know what to expect. Call (678) 892-8789 and we will walk you through the options.
For most residential service calls, yes. We need access to the indoor and outdoor equipment, and we walk you through our findings and get your approval before starting any work. If your situation is more complex, such as a rental property, call us and we can figure out a workable arrangement.
Extreme weather can affect how we schedule certain outdoor work, particularly full system installations that require extended time outside. For most repairs, we work through normal weather conditions. If conditions are a concern for your job, we will let you know when we schedule and plan accordingly.
Older equipment may require parts that take longer to source, and systems installed in tight attic spaces, crawlspaces, or rooftop locations require more time and care to access safely. We factor that into the estimate we give you before work begins, so there are no surprises. The complexity of the access does not change the quality of the work.
Dynamic Services HVAC is ready to help with whatever your heating or cooling system needs, whether that is a same-day repair, a full system replacement, or a seasonal tune-up before the weather changes. We serve residential and commercial customers across Lawrenceville and Gwinnett County, with same-day and emergency availability when you need it most. We protect your home. We service your system. We earn the call.
Call (678) 892-8789 for a quote and we will get started.
We cover the full range of heating and cooling work for Lawrenceville homes and businesses, from a same-day repair call to a complete system replacement. The table below breaks down each service, what it includes, and who it is best suited for, so you can find what you need and call us to get it scheduled. Gwinnett County runs hot and humid summers and real enough winters that both sides of your HVAC system matter. We are ready to help with any of it.
| System Service | What the Service Includes | Best Suited For | Things to Know |
|---|---|---|---|
| Seasonal Maintenance & Tune-Ups | Full system inspection, Filter and coil service, Refrigerant and pressure check, Heating and cooling performance test | Homeowners and property managers who want to avoid surprise breakdowns and keep equipment running efficiently | Spring tune-ups prepare the cooling system for Georgia's long summer; fall tune-ups cover the heating side before temperatures drop |
| Heat Pump Installation | Load calculation and unit sizing, Single system for heating and cooling, Installation by qualified technicians, Efficiency and comfort walkthrough | Homeowners replacing older equipment or building new who want one system to handle year-round comfort | Georgia's mild winters sit in the ideal performance range for heat pumps, making them a strong fit for this climate |
| Whole-Home Dehumidification & Humidity Control | Whole-home dehumidifier installation, Integration with existing HVAC system, Humidity level setup and calibration, Mold and moisture risk reduction | Lawrenceville homes where indoor humidity stays uncomfortable even when the AC is running | A standard AC system is not designed to fully manage Gwinnett County's summer humidity on its own; a dedicated dehumidifier fills that gap |
| Heating & Furnace Repair | No-heat diagnosis, Igniter and burner service, Blower motor inspection, Heat exchanger check | Anyone who loses heat during a cold stretch or notices the furnace running but not warming the home | Lawrenceville winters are mild but real; a furnace that struggles in October is likely to fail by January |
| Heat Pump Repair & Service | Heating and cooling mode diagnosis, Refrigerant and coil service, Reversing valve inspection, Defrost cycle check | Homes and businesses running a heat pump as their primary heating and cooling system | Heat pumps handle both seasons, so a problem in one mode often points to a shared component worth checking fully |
| Ductwork Repair & Sealing | Leak detection and sealing, Duct repair and reconnection, Airflow balancing, Ductwork replacement where needed | Homes with uneven temperatures, high energy bills, or rooms that never seem to reach the right temperature | Leaking ducts can waste a significant share of conditioned air before it reaches the living space, driving up costs quietly |
| AC Repair & Service | Diagnosing cooling failures, Refrigerant checks, Capacitor and contactor repair, Evaporator and condenser service | Homeowners and businesses with an AC that is not cooling, cycling oddly, or making unusual noises | Georgia summers put heavy load on cooling equipment; catching a small problem early usually avoids a full breakdown mid-season |
| Thermostat & Smart-Control Installation | Thermostat replacement, Smart and programmable control setup, System compatibility check, Settings walkthrough | Anyone upgrading from an outdated thermostat or wanting better control over comfort and energy use | A properly configured smart thermostat can improve comfort and reduce runtime without any changes to the HVAC equipment itself |
| Indoor Air Quality & Air Filtration | Air filtration upgrades, UV and air purifier installation, Humidity and ventilation assessment, Air scrubber setup | Households dealing with dust buildup, allergy symptoms, or stale air that does not clear | Gwinnett County's humid summers can worsen indoor air quality; filtration and purification work best when paired with proper humidity control |
| Full System Installation & ReplacementMost Popular | Equipment sizing and selection, Removal of old system, Full installation by qualified technicians, Final system test and walkthrough | Homeowners replacing aging equipment or upgrading to a more efficient system | Replacing both the heating and cooling units at the same time often makes sense when one unit is already at end of life |
| Furnace & AC System Replacement | Paired system evaluation, Equipment sizing for the home, Matched furnace and AC installation, Post-installation performance check | Gwinnett County homeowners whose furnace and AC are both aging and ready for a coordinated upgrade | Georgia's climate demands reliable cooling for most of the year and dependable heat for the rest; a matched replacement addresses both at once |
| Emergency HVAC Service | After-hours and weekend response, No-heat and no-cool calls, Same-day diagnosis, Priority scheduling for urgent situations | Anyone with a system that has stopped working and cannot wait for a standard appointment | We take emergency calls for both residential and commercial customers throughout the area; call us and we will tell you the earliest available window |
How do I know if my AC or furnace needs to be replaced rather than repaired?
Age, repair history, and efficiency are the three factors we look at together. A system that is 15 or more years old, has needed multiple repairs in recent seasons, or is no longer cooling or heating the home the way it should may cost more to keep running than to replace. We give you an honest assessment of whether a repair makes financial sense or whether replacement is the better investment for where the equipment stands today.
Why is one room in my home hotter or colder than the rest?
Uneven temperatures usually point to one of a few causes: leaking or disconnected ductwork, a blocked or undersized supply vent, an airflow issue at the air handler, or a system that was not sized correctly for the home. We diagnose airflow problems as part of our service work and can tell you whether the fix is in the ducts, the equipment, or the controls.
How often should I schedule HVAC maintenance?
Twice a year is the standard recommendation, and the timing matters. A spring visit prepares the cooling system before Georgia's long, humid summer gets underway. A fall visit covers the heating side before temperatures drop enough to matter. Staying on that schedule is the most reliable way to catch small problems before they turn into emergency calls.
Same-Day and Emergency Availability
We take after-hours, weekend, and same-day calls for homes and commercial buildings throughout Lawrenceville and Gwinnett County. When your system goes down, call us and we will get someone out as fast as possible.
What does a seasonal tune-up actually include?
A tune-up covers a full inspection of the system, a check of refrigerant levels and pressures, cleaning of the condenser and evaporator coils, a test of electrical components and controls, a filter check, and a performance run to confirm the system is operating within normal range. On the heating side, we also inspect the heat exchanger and test ignition and burner operation. We walk you through anything we find before we leave.
What causes a system to short-cycle, and should I be concerned?
Short-cycling means the system is turning on and off more frequently than it should, which puts extra wear on the compressor and blower motor and reduces comfort. Common causes include a dirty filter restricting airflow, a refrigerant issue, an oversized system for the space, or a failing component like a capacitor or pressure switch. It is worth having a technician look at it sooner rather than later, because the underlying cause tends to get worse with continued use.
Is the work permitted and inspected to code?
We perform code-compliant HVAC work on every job. For installations and replacements that require a permit in Gwinnett County, we handle that as part of the project. Work performed by our qualified HVAC technicians follows the applicable mechanical codes so the job is done correctly and the system operates safely.
Upfront Quotes With No Surprise Fees
We give you a clear price before any work begins, and nothing is added after the fact. If anything changes during the job, we tell you before we proceed.
What are the signs of a refrigerant or airflow problem?
Refrigerant issues often show up as an AC that runs continuously but cannot reach the set temperature, ice forming on the indoor coil or refrigerant lines, or a hissing sound near the unit. Airflow problems tend to cause weak output at the vents, rooms that do not reach temperature, or the system running longer than expected to meet the thermostat setting. Either situation warrants a call; both get worse if left alone through a Georgia summer.
How does whole-home dehumidification help, and is my AC not enough?
A standard air conditioner removes some humidity as a byproduct of cooling, but it is not designed to control humidity independently. On a Gwinnett County summer day, the AC may cycle off before indoor humidity drops to a comfortable level, leaving the air feeling damp even when the temperature is right. A whole-home dehumidifier runs on its own schedule, pulling moisture from the air continuously and giving you real control over indoor humidity separate from the cooling cycle.
Work Performed by Qualified HVAC Technicians
Every job, from a thermostat swap to a full system replacement, is handled by qualified HVAC technicians who take the time to do it right and check the system before they leave.
Can I get same-day or emergency service if my system goes down?
Yes. We take same-day calls for most service requests and after-hours and weekend calls for no-heat and no-cool emergencies. When you call, we will tell you the earliest available window and prioritize urgent situations. A failed furnace in January or a dead AC in the middle of a Georgia summer is not something we ask you to wait on.
How do estimates and pricing work?
When we arrive, we diagnose the system, explain what we found, and give you a clear price before any work begins. You know exactly what the job will cost before we start, and there are no charges added after the fact. If anything changes during the job, we let you know before we proceed.
Is a heat pump a good fit for a Lawrenceville home?
For most homes in this area, yes. Georgia's winters are mild enough that a heat pump can handle heating efficiently without the strain it would face in a colder climate, and it handles cooling just as well as a traditional AC. One system manages both seasons, and the efficiency gains over separate heating and cooling equipment are real. We size and install the right unit for your home and explain what to expect before we leave.
Call (678) 892-8789 and we will talk through what you are experiencing, answer your questions, and get a technician scheduled at a time that works for you.
(678) 892-8789