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Find Air conditioning pros in Lawrenceville

Avatar for R Wiley Heating & Air
R Wiley Heating & Air
4.7(
1,114
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+12 more

Serving Lawrenceville, GA and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"This was my second quote and this company is amazing. Quickly identified the issue, changed the motor, provided a filter and made sure everything was working on one trip within a few hours. The previous company (Air Pros, LLC) said it was unfixable and tried to sell me a new unit over $6k which was a huge scam. Don't go to those guys, work with this family owned honest business. Keep in mind HVAC repairs in many cases are not cheap, I own 3 houses and have paid several hundred or more when an HVAC is old and need repairs."
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Response time10 hrs
Response rate100%
41 neighbors recently requested a quote
Avatar for Triad Mechanical Company Inc
Triad Mechanical Company Inc
4.8(
191
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Lawrenceville, GA and surrounding areas

Approved

In business since 1991

Free estimates

Emergency services offered

"Our AC went out in the middle of summer and I called to schedule an appointment and they made it out the same day! They were very professional and completed the necessary maintenance extremely quickly. We had air again by the end of the day. It’s also one of the most affordable places we’ve ever used for our heating and air maintenance and repairs."
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+17

Recommended by96%of homeowners
Avatar for Cool Air Mechanical LLC
Cool Air Mechanical LLC
4.7(
278
)
Central A/C - Service or RepairCentral A/C - InstallDuctless Mini-split A/C - Install or Replace+5 more

Serving Lawrenceville, GA and surrounding areas

Approved (Corporate)

In business since 2011

Emergency services offered

Credit card accepted

"Great. Jerry Cobb came by to reprogram the thermostat for us. We were not able to figure out how to get it the way we wanted and Jerry took care of it for us. Cool Air replaced our entire HVAC system about 2 years ago. We were happy with the job and will be having them add a humidifier to the system soon."
Cool Air Mechanical Techs preparing for a day's work serving customers!
Filter Change
Cool Air Mechanical's Service Team
Loading filters in the trucks. We ensure our trucks are stocked and we have equipment and tools on hand to best serve you!
Cool Air tech headed to a job!

+35

27 neighbors recently requested a quote
Recommended by94%of homeowners
All Seasons Heating and Air
4.8(
97
)
Central A/C - Service or RepairDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair - For Business

Serving Lawrenceville, GA and surrounding areas

Approved

Super Service Award Winner

In business since 1978

Free estimates

Credit card accepted

"Had a great experience with this company. Brant was very helpful and patient with all my questions. He did one thing different from the other company's when providing the estimate. The other companies took sq footage to recommend my new unit. Brant walked the house and checked and counted my vents both service and returns. He then used these calculations and sq footage to make his recommendations. I am very happy with my new HVAC system."
Response time8 hrs
Response rate88%
11 neighbors recently requested a quote
Avatar for Ragsdale Heating, Air & Plumbing
Ragsdale Heating, Air & Plumbing
4.7(
187
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Install or Replace+4 more

Serving Lawrenceville, GA and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"I selected having my new HVAC (heatpump) system installed by Ragsdale based on the qualified sales consultation, the use of Carrier products made in the USA, and Ragsdale being a local certified family run business. My new unit was installed this morning by two technicians who worked efficiently and who kept me in the loop about the new equipment, thermostat, warranty, and FAQs. They were polite, neat & tidy. Well recommended."
Response time5 hrs
Response rate100%
13 neighbors recently requested a quote
Avatar for BE Relieved Heating & Air Conditioning, Inc.
BE Relieved Heating & Air Conditioning, Inc.
4.8(
20
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For BusinessCentral Air Cleaner - Repair or Service+1 more

Serving Lawrenceville, GA and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

Customer comfort and satisfaction is our primary objective. We offer routine maintenance, expert repairs and high-quality installations. We understand that trust is earned and that is how it should be. All we ask is for the chance to earn yours. Our many customers know that if and when there is a home comfort need, they can count on us.\nServicing residential and light commercial markets, we focus on the installation, repair and maintenance of new and replacement HVAC systems, dual fuel systems, zone control, humidifiers, air cleaning and air purification systems.

Response time6 hrs
1 neighbors recently requested a quote
Recommended by100%of homeowners
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Showing 1-10 of 850

FAQs for air conditioning projects in Lawrenceville, GA

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The Lawrenceville, GA homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.