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Find Air conditioning pros in Saint Johns

Avatar for Florida Home Air Conditioning
Florida Home Air Conditioning
3.7(
167
)

Serving Saint Johns, FL and surrounding areas

Approved (Corporate)

In business since 1980

Free estimates

Emergency services offered

"The service tech who serviced my central air conditioning unit on 7/16/21 was Nick with Florida Home Air Conditioning. Nick was professional and very knowledgeable about what needed to be done. And â ¦ he was respectful and mannerable which I appreciated. If I could, I would request Nick for all of my air conditioning maintenance needs. Regards. A. Brady"
Florida Home AC
Florida Home AC
369 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for Florida Air Flow Heating and Air LLC
Florida Air Flow Heating and Air LLC
5.0(
12
)

Serving Saint Johns, FL and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"I highly recommend Florida Air Flow Heating and Air for air conditioning repair, zoned ac system repair, and replacement services. The owner Aldi along with his team of technicians has been servicing my ac system for years and he has replaced my system and my sister's system in the past. He always does an amazing job to get someone out to fix your system as soon as possible and his pricing for repairs and replacements is always fair and honest. I recommend Aldi and Florida Air Flow Heating and Air to all of my family and friends and I will continue to do so for the foreseeable future. Thank you Aldi for saving us from the Florida heat during the summers we really appreciate it!"
Our Work
Our Work
Our Work
Our Work
Our Work

+5

Response time3 hrs
Response rate95%
2 neighbors recently requested a quote
Avatar for Temples Heating & Air Conditioning LLC
Temples Heating & Air Conditioning LLC
5.0(
6
)

Serving Saint Johns, FL and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

Specializing in heating, cooling, and furnace systems, we have over 14 years of experience providing expert installation, repair, and maintenance services. Our locally owned business emphasizes quality, integrity, reliable solutions, and lasting client relationships.\n

Logo
Dye leak search
Voltage check
Blown fuse thermostat blank
Voltage check

+13

2 neighbors recently requested a quote
Avatar for Measday's Heating & Air
Measday's Heating & Air
5.0(
20
)

Serving Saint Johns, FL and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"I was so satisfied with their service that we purchased a package and will proceed to use Measday's Heating & Air services. Thomas is professional, respectful, kind, knowledgeable, and understanding. I highly recommend Measday's Heating & Air!"
Bryant AH Install
Bryant Condenser Install
Trane AH Install
Trane Condenser Install
Goodman AH Install (Attic1)

+8

Response time2 hrs
16 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Stewart-Air, LLC
Stewart-Air, LLC
4.2(
75
)

Serving Saint Johns, FL and surrounding areas

Approved

In business since 2010

Offers commercial services

Customers say: True professional

"Technicians Darius and Matt were very professional, customer-friendly, and definitely knew their trade. They identified the problem in a short time and worked diligently to find a replacement part, get it installed, and the system back on line. It’s cool to have cool air again. Thank you to Maurice and crew. Job well done"
Response time8 hrs
17 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Lickety-Split Air Conditioning, Plumbing, Electrical, LLC
Lickety-Split Air Conditioning, Plumbing, Electrical, LLC
4.8(
34
)

Serving Saint Johns, FL and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"Absolutely an amazing experience they arrived on time. We?re very friendly. Did a thorough check on the entire system to find all of the issues after doing their check they brought all of the issues to my attention, and we took care of them as their recommendation."
Photos
Photos
Photos
Photos
Photos

+53

Avatar for One Hour Air Conditioning & Heating of Jacksonville
One Hour Air Conditioning & Heating of Jacksonville
3.6(
107
)

Serving Saint Johns, FL and surrounding areas

Approved

In business since 1987

Emergency services offered

Warranties offered

"One A/C & Heating evaluated my A/C situation, explained my options & costs. I elected to remove the 12 year old A/C & have One Hour A/C put in a new A/C. They scheduled my installation, arrived on_time & completed the install in less time than they estimated. I am very pleased with their services."
My work.
Home & Patio Show
My work.
My work.
My work.

+12

12 neighbors recently requested a quote
Recommended by72%of homeowners
Avatar for Advanced Air Home Services
Advanced Air Home Services
3.5(
120
)

Serving Saint Johns, FL and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Emergency services offered

"He discovered what was broken on my original fan and light and fixed it. I did not have to have the new fan installed. 2 other electricians could not fix. he was great."
HVAC
HVAC
Electrical
HVAC
Electrical

+4

Response time5 days
115 neighbors recently requested a quote
Recommended by65%of homeowners
Avatar for All Set Heating and Air
All Set Heating and Air
5.0(
6
)

Serving Saint Johns, FL and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

All Set Heating, Air and Plumbing is a locally owned home services company providing reliable HVAC and plumbing solutions for homeowners. We specialize in air conditioning repair and replacement, heating and heat pump services, indoor air quality, and full-service plumbing.\n\nOur licensed and experienced technicians focus on honest diagnostics, clear communication, and quality workmanship. Whether you need fast AC repair, a second opinion on a system replacement, or help with a plumbing issue, we deliver straightforward recommendations with upfront pricing.\n\nHomeowners choose All Set for responsive service, professional technicians, and respect for their time and home. From repairs to full installations, our goal is to fix the problem right the first time and provide long-term comfort you can trust.\n\nCall today to schedule service or request a free estimate.

Duct work going in
HVAC Install Work
HVAC Solutions
Mini Split Install
24 neighbors recently requested a quote
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FAQs for air conditioning projects in Saint Johns, FL

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 Saint Johns, FL homeowners’ guide to air conditioning services

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