10 Best HVAC Companies in Lawrenceville, GA

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Last Updated: February 25, 2025

If you're like the average American, over half of your energy bill (55%, per the U.S. Department of Energy) goes toward heating and cooling your home. Since cooling and heating represent such a significant chunk of your utility bills, you'll want to make sure the HVAC system in your Lawrenceville home is functioning properly.

The right HVAC contractor can get your system into shape for a reasonable price, letting you keep your home comfortable while still saving money. That's why we've put together this guide to the top HVAC companies in Lawrenceville.

Top 10 Best HVAC Companies in Lawrenceville

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United Air Temp

United Air Temp Logo

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User Rating

3030 Business Park Drive, Norcross, GA 30071 (770) 676-3132 unitedairtemp.com

Informative resources

Clear pricing policy

Free quotes

Prompt service delivery

Reliable customer support

Services Offered

Ductless
Boiler installation
Ac installation
Indoor air quality
Furnace installation
Emergency services
Furnace repair
Duct cleaning
Inspection
Ac repair
Boiler repair
Maintenance
Ventilation

One Hour Heating & Air Conditioning of Atlanta

One Hour Heating & Air Conditioning of Atlanta Logo

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User Rating

3433 Diversified Dr, Loganville, GA 30052 (855) 993-2290 onehourheatandair.com

Informative resources

Clear pricing policy

Reliable customer support

Free quotes

Prompt service delivery

Services Offered

Indoor air quality
Furnace repair
Duct cleaning
Ductless
Ac repair
Ventilation
Maintenance
Filtration
Furnace installation
Emergency services
Ac installation

Covington Air Systems Inc

Covington Air Systems Inc Logo

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User Rating

98 Oxford W Dr, Covington, GA 30014 (770) 209-2815 covingtonairsystems.com

Clear pricing policy

Reliable customer support

Informative resources

Services Offered

Filtration
Ac repair
Furnace repair
Emergency services
Indoor air quality
Ventilation
Duct cleaning
Maintenance
Furnace installation
Ductless
Ac installation
Boiler installation
Zoning systems

Able Service Company

Able Service Company Logo

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User Rating

492 New Hope Rd, Lawrenceville, GA 30046 (678) 745-0048 ableservicecompany.com

Free quotes

Prompt service delivery

Reliable customer support

Clear pricing policy

Informative resources

Services Offered

Ac repair
Inspection
Indoor air quality
Furnace repair
Ac installation
Maintenance
Furnace installation
Duct cleaning
Filtration
Emergency services

Premier Comfort Services

Premier Comfort Services Logo

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User Rating

800 Garmon Park Ct, Loganville, GA 30052 (678) 635-5696 mypremiercomfort.com

Reliable customer support

Free quote

Clear pricing policy

Prompt service delivery

Informative resources

Services Offered

Maintenance
Indoor air quality
Inspection
Duct cleaning
Emergency services
Ac repair
Furnace installation
Filtration
Ventilation
Ac installation
Ductless

Aire Serv of Suwanee

Aire Serv of Suwanee Logo

Our Rating

User Rating

11555 Medlock Bridge Rd Suite 100, Johns Creek, GA 30097 (678) 345-8674 aireserv.com

Clear pricing policy

Reliable customer support

Informative resources

Free quotes

Prompt service delivery

Services Offered

Duct cleaning
Ac installation
Furnace installation
Ac repair
Ventilation
Indoor air quality
Furnace repair
Maintenance
Emergency services
Filtration
Ductless

ACS Heating and Air Conditioning

ACS Heating and Air Conditioning Logo

Our Rating

User Rating

2218 Hanfred Ln, Tucker, GA 30084 (770) 450-1539 acsheatair.com

Reliable customer support

Clear pricing policy

Informative resources

Services Offered

Ac repair
Ventilation
Emergency services
Ac installation
Maintenance
Furnace repair
Furnace installation
Boiler installation
Ductless
Filtration
Inspection
Indoor air quality
Zoning systems

Summer Breeze Heating & Air, Inc

Summer Breeze Heating & Air, Inc Logo

Our Rating

User Rating

382 Harbins Rd, Dacula, GA 30019 (678) 377-2005 summerbreezeair.com

Prompt service delivery

Clear pricing policy

Free quote

Reliable customer support

Informative resources

Services Offered

Smart home integration
Ac installation
Zoning systems
Filtration
Ductless
Furnace installation
Maintenance
Ventilation
Indoor air quality
Ac repair

Just Cooling Heating & Air Conditioning

Just Cooling Heating & Air Conditioning Logo

Our Rating

User Rating

3755 Rogers Bridge Rd, Duluth, GA 30097 (678) 825-4328 justcoolingatl.com

Informative resources

Reliable customer support

Free quotes

Clear pricing policy

Prompt service delivery

Services Offered

Filtration
Emergency services
Indoor air quality
Ac repair
Furnace installation
Ductless
Maintenance
Ac installation
Inspection
Furnace repair
Ventilation

Redwood Heating and Air LLC

Redwood Heating and Air LLC Logo

Our Rating

User Rating

65 River N Ct, Covington, GA 30016 (404) 664-8814 redwoodheatingandair.com

Reliable customer support

Clear pricing policy

Services Offered

Ac installation
Emergency services
Maintenance
Filtration
Indoor air quality
Furnace repair
Ductless
Ac repair
Furnace installation
Ventilation
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on hvac companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

Signs You May Need HVAC Repair or Replacement

If your HVAC system is having issues or getting near the end of its lifespan, it likely needs repairs or replacement from an HVAC company. Look for these signs your system needs service:

  • Higher than normal energy bills
  • Odd noises when the system turns on
  • Refrigerant leaks
  • Frequent breakdowns and need for repairs
  • Temperature control issues or thermostat malfunctions
  • Rust, cracking, or corrosion
  • Uneven heating/cooling or poor air circulation
  • An HVAC system that's over 15 years old

Arrange an inspection if you notice any of these issues. A local technician can evaluate your system, detect problems, and determine whether you need repairs or a new HVAC unit.

Cost of HVAC Installation and Maintenance in Lawrenceville

Your HVAC installation or maintenance cost varies depending on the type of unit. Common HVAC unit types include the following:

  • Split or mini-split: If your home lacks the right ductwork for central air or heating, you probably have a split HVAC system. Split or mini-split systems consist of indoor units that regulate the temperature in individual rooms. These interior units are all connected to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system performs similarly to a standard split system, but is able to utilize either gas or electricity for power.
  • Heat pump: Heat pumps work by transferring hot and cold air between your home and the outdoors. These systems don't create heat or air conditioning themselves, and are more effective in more moderate climates. They may not be as effective during Lawrenceville's hot summers.
  • Packaged heating and air: Packaged HVAC systems are good for smaller houses. Packaged systems consist of a single heating and cooling unit, typically located in an attic or basement. This unit tends to be efficient, compact, and easy to maintain.

The amount you spend on HVAC maintenance also depends on what kind of work you're having done. HVAC systems are complex and might require different kinds of maintenance. The prices of some common jobs are as follows:

HVAC Unit TypeCost
Split$1,913-$4,876
Hybrid Split$3,876-$7,140
Heat Pump$3,001-$30,579
Packaged Heating and Air$251-$419

Ways to Save Money on HVAC Costs

HVAC upkeep is important, but can be expensive. Fortunately, there are steps homeowners can take to reduce wear and tear on their system and lower future maintenance needs.

  • Change filters regularly. Air flows through your HVAC system most effectively when you replace or clean the filters every 30–90 days. Also avoid letting debris pile up on the outside areas of your HVAC.
  • Keep your system clean. Cleaning your ductwork, condenser fan blades, grills, and indoor evaporator coil regularly helps keep your HVAC system working efficiently and lowers the risk of mold growth. The National Air Duct Cleaners Association recommends cleaning your HVAC system once it starts to look dirty.
  • Change the position of your blinds seasonally. Leaving your blinds open during the winter helps warm your home with passive solar heating. Closing the blinds during the summer helps prevent the heat from getting inside. Doing both helps decrease the demand on your HVAC system.
  • Monitor for potential problems. Keeping an eye out for problems, for instance by consistently checking your thermostat and energy bills, helps you resolve them before they get too expensive.
ServiceCost
Filter Replacement$63-$167
Condensor Cleaning$1,256-$3,767
Thermostat Repair$84-$209
Ductwork Cleaning$402-$1,004

How To Choose a Local HVAC Company

Knowing what makes a trustworthy HVAC company is key for an easy installation or repair. Hiring an experienced, credentialed HVAC contractor gives you confidence your system can provide consistent heating and air conditioning year-round.

Compare Multiple Bids

Request estimates from at least three HVAC companies. Explain your issues and ask if technicians can inspect your system in person. Review each contractor's diagnoses, recommended solutions, estimated cost, timelines, and warranties. Avoid contractors that pressure you or demand payment before work.

Check Credentials

When picking an HVAC company, choose one with technicians that have the proper training, licenses, and experience. HVAC contractors in all states need to obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is required for all contractors who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." Contractors must pass an exam (the type of exam depends on what kind of equipment they intend to work with) to be certified by the EPA. All other licensing requirements are handled at the state level.

In Georgia, all HVAC contractors are required to be licensed. They can have either a Class I or Class II license. Class I licenses require four years of experience and limit the type of equipment a contractor can work on. A Class II license requires five years of experience and is unrestricted. Licenses can be verified on the Secretary of State's website. Also look at a company's reviews and complaints on sites such as Google Reviews, Yelp, and the Better Business Bureau (BBB). Pick a company with glowing feedback and good customer testimonials.

Understand Work Details

Make sure you know the details of your project before it begins. If HVAC repairs are required, have your provider specify which parts require replacement and why. Get confirmation that your technician will clean and test your system after the repair to ensure that everything works. For replacement, ask the contractor to explain the new HVAC system features, model, estimated installation time, energy efficiency, and brand. Before work begins, you should understand the process your provider will use to properly size the system for your home and the price you'll pay.

Compare Warranties

Reliable HVAC companies offer warranties on repairs and equipment installations. The more complete the coverage, the better. Compare warranty details between providers and pick the one that offers the best protection for a fair price.

Get Quote in Writing

Get written estimates before beginning any HVAC work. The quote should cover costs for both labor and materials. Read all terms carefully before signing.

Frequently Asked Questions About HVAC in Lawrenceville, GA

You should have your HVAC system inspected approximately twice yearly. After the inspection, your technician will inform you what services are needed. You should also have your system inspected if you start noticing issues such as unusual smells, leaks, or strange noises. If your home has ductwork, you should have it inspected every few years.

Normally, you should have your HVAC system inspected in the spring and fall, as technicians tend to be less busy at these times. This also helps make sure your system is prepared for the summer and winter, when it typically sees the most use.

You can save energy during the summer by making it easier for your HVAC system to keep your home cool. Keep your thermostat temperature as close to the outside temperature as is comfortable, and try to avoid making drastic changes in temperature all at once. Keep your roof in good shape and seal any door or window leaks to help keep cool air in. Similarly, make sure your attic is well ventilated to avoid trapping excess heat in your home.

Generally, whole-system HVAC installation or replacement takes one to three days. Installing or replacing a furnace or air conditioning unit can take as little as half a day or as much as two days. The exact amount of time will depend on factors like the size of your house, how easily accessible different sections are, and whether your technician finds any problems.

For a 2,000-square-foot home, you need around 2.5 to 5 tons of air conditioning capacity. In Lawrenceville, you'll probably want to explore units on the higher end of this range. For a house over 1,000 square feet, central air will usually be more effective than window units for cooling.

For a 2,000-square-foot home, you'll also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units). In Lawrenceville, you might be able to make do with a lower-capacity furnace.

There are several ways you can make your HVAC system more energy-efficient:

  • Make sure your air ducts remain clean, and change or clean your air filters on a regular basis.
  • Schedule regular inspections to take care of issues as they arise.
  • Make sure your doors and windows are well-sealed and keep your attic well-ventilated.
  • Install a smart thermostat. If you don't want to or can't buy one, try keeping the temperature indoors as close to the outside temperature as you can.
  • When replacing part of your HVAC system, explore Energy Star-certified or other environmentally friendly options.

Other Lawrenceville, GA Home Services

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