Dynamic Services HVAC is Lawrenceville's locally owned heating and cooling company, serving homeowners, landlords, property managers, and businesses across Gwinnett County. We handle the full range of residential and commercial HVAC work: AC repair and service, furnace and heating repair, heat pump installation, full system replacement, ductwork, thermostats, indoor air quality, and emergency calls when your system goes down without warning. Trusted by local homeowners and property managers for their heating and cooling, we show up ready to diagnose, explain, and fix.
Same-day service. Upfront pricing. Qualified technicians.
We built this business here, and our name is on every job. When you call, you reach someone who knows Lawrenceville and knows the work. Same-day and emergency appointments are available, so you are not left waiting when the heat or the AC stops working.
Call (678) 892-8789 for a quote or to schedule service.
Staying ahead of HVAC problems keeps your home comfortable, and knowing what we offer makes it easy to call when something goes wrong. We cover every stage of heating and cooling work, from a quick repair to a full system installation.
Every job gets code-compliant HVAC work, whether we are swapping a thermostat or replacing an entire system. Work is performed by qualified HVAC technicians who take the time to do it right the first time.
Pick up the phone and we'll get started.
When the heat or the AC quits, the situation does not wait for a convenient weekday morning. A failed furnace in January or a dead air conditioner in the middle of a Georgia summer is an emergency, and we treat it that way. We take after-hours, weekend, and same-day calls for homes and commercial buildings throughout the area.
When you call, a technician will get to you, assess what is wrong, and walk you through the findings before any work begins. We keep you informed from diagnosis to final test, so there are no surprises on either end of the job. Whether your system is blowing warm air when it should be cooling, or you have no heat at all on a cold night, we are set up to respond.
We pick up the phone. We arrive on time. We check before we leave.
Call (678) 892-8789 now.
Georgia runs the full range. Summers in Lawrenceville are long, hot, and genuinely humid. Winters are mild but real enough that a furnace failure matters. That combination drives the specific HVAC work that comes up most often here, and it is the reason we focus on these three services for local homes and businesses.
A paired furnace-and-AC system is the standard setup for most Gwinnett County homes, and it makes sense for this climate. You need reliable cooling for six or seven months and dependable heat for the rest. When one unit ages out, it usually makes sense to evaluate the other at the same time. An older system working hard through Georgia summers loses efficiency fast, and a full replacement restores comfort, lowers operating costs, and eliminates the reliability risk of keeping worn equipment running. We assess the existing setup, size the new equipment correctly for the home, and handle the installation from start to finish with qualified technicians on every step.
Georgia's winters sit in the sweet spot for heat pump performance. Mild temperatures mean a heat pump can handle both heating and cooling efficiently without the strain it would face in a colder climate. Heat pump adoption has grown steadily across this region, and for good reason: one system manages year-round comfort, and the efficiency gains over separate heating and cooling equipment are real. If you are replacing an older system or building new, a heat pump installation is worth a close look. We size and install the right unit for your home and explain what to expect from the system before we leave.
Gwinnett County summers bring the kind of humidity that a standard air conditioner cannot fully manage on its own. Even a well-functioning AC system may leave indoor humidity high enough to feel uncomfortable, encourage mold growth, and affect indoor air quality. A whole-home dehumidifier works alongside your existing HVAC system to pull excess moisture from the air consistently, not just when the AC happens to be running. We install and set up the equipment, integrate it with your current system, and make sure you understand how to get the most out of it.
You shouldn't have to chase a contractor for answers, and you should not have to wonder whether your home's air is clean or your ductwork is doing its job. Leaking ducts waste conditioned air, drive up energy costs, and create uneven temperatures from room to room. Poor filtration or air quality problems show up as dust buildup, allergy symptoms, or stale air that does not seem to clear.
We handle ductwork repair and sealing, ductwork installation and replacement, air filtration upgrades, whole-home air purifiers, UV air purifiers, and air scrubber installation. We also service air handlers and troubleshoot airflow problems that leave some rooms too hot or too cold while others are comfortable.
Our approach is honest recommendations on repair versus replacement, never an upsell. If a duct repair solves the problem, that is what we will tell you. If the system needs more, we will explain why before we start.
Reach out and a technician will follow up.
We built this business around HVAC work like this, because a well-maintained system is the one that does not fail at the worst possible moment. A seasonal tune-up is the most straightforward way to extend equipment life, catch small problems before they become expensive ones, and keep your system running at the efficiency it was designed for.
In the spring, we get your cooling system ready for the Georgia summer: checking refrigerant levels, cleaning the condenser, inspecting the evaporator coil, and confirming the system is running as it should. In the fall, we turn attention to the heating side, testing the furnace or heat pump, inspecting the heat exchanger, and making sure everything is set for the cooler months ahead. Both visits include a full system check so nothing gets missed.
We're ready to get your heating and cooling running again.
The hardest part of an HVAC problem is knowing when to call, and for a business, the answer is usually before it becomes a disruption. A building that is too hot, too cold, or struggling with air quality affects employees, customers, and daily operations. We work with property managers, business owners, and commercial tenants throughout Lawrenceville and the surrounding area to keep commercial heating and cooling systems running reliably.
Our commercial HVAC work includes:
Work is performed by qualified HVAC technicians familiar with the demands of commercial equipment. We communicate clearly about what we find, what needs to be done, and what it will take to get your building back to normal.
We have been doing this work in Lawrenceville since 2014, and the business has stayed local by design. When you call, you are talking to someone who works in this community. When a technician shows up, it is someone who knows the area and takes the job personally.
We serve Lawrenceville and the communities nearby, including Suwanee, Duluth, Buford, Snellville, Grayson, Dacula, and Norcross. Whether you are a homeowner dealing with a broken AC, a landlord managing a rental property, or a property manager overseeing a commercial building, we handle the heating and cooling work and keep you informed at every step.
We're ready to get your heating and cooling running again.
Call (678) 892-8789 and we will talk through what you are experiencing and get a technician scheduled. On the visit, we diagnose the system, explain what we found, and give you a clear price before any work begins. There are no surprises at the end of the job.
We offer same-day appointments for most service calls, and we take emergency calls after hours and on weekends. When you call, we will let you know what the earliest available window looks like and get you on the schedule. For no-heat and no-cool emergencies, we prioritize getting someone out as fast as possible.
Yes. We work with property managers, landlords, and commercial tenants throughout Lawrenceville and the surrounding area. We understand that a down system means a call from a tenant, so we communicate clearly, respond quickly, and keep the timeline tight.
When we arrive, we assess the system, identify the problem, and walk you through what we found before any work begins. We give you a clear explanation of the repair and the cost, then complete the work once you approve it. Before we leave, we run a final check to confirm the system is operating correctly.
We work to find appointment windows that fit your schedule, including same-day availability when it is open. Call (678) 892-8789 and we will find a time that works. We aim to give you a reliable window so you are not waiting around all day.
The scope and cost of HVAC work can vary based on the size of the system, the type of equipment, and what the job actually requires. We give you a clear estimate before any work starts so you know exactly what you are agreeing to. There are no hidden charges added after the fact.
If a system is failing repeatedly, that is a sign it may have reached the end of its useful life. We will give you an honest assessment of whether continued repairs make financial sense or whether a replacement is the better investment. We do not push replacements when a repair will do the job.
Payment is due when the job is complete. We will give you a clear price before we start, so there are no unexpected charges when we wrap up. If anything changes during the job, we let you know before proceeding.
Yes, that information is genuinely useful. Knowing which rooms feel too hot, too cold, or have weak airflow helps us zero in on the likely cause faster. You can mention it when you call or walk us through it when we arrive.
Dynamic Services HVAC is ready to take your call. Whether you need a same-day repair, a seasonal tune-up, or a full system replacement, we are available for residential and commercial customers throughout Lawrenceville and Gwinnett County.
We protect your home. We service your system. We earn the call.
Call (678) 892-8789 for a quote or to schedule service.
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