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Outdoor AC Unit Not Running: Quick Fixes and When to Call

By FL-Air Heating and Cooling on October 21, 2025

You hear the indoor fan, but the house is not getting cool, and the temperature keeps climbing. Walk outside, and the condenser is silent. When the outdoor AC unit is not running problem shows up, the system is only moving indoor air around. No heat is leaving the home, so rooms feel stale and warm…

AC Repair

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I plan on using this company for all my HVAC services from now on!

Mark came out for a problem with my HVAC system. I had no idea what was wrong. Mark took the time to check things out, and found my issue. He had to order the part, but came out a day we had discussed, and finished the job. The price seemed more than fair, and the quality of work is fantastic! I plan on using this company for all my HVAC services from now on! Thanks Mark for a great job!

Kenneth D.
Source: Thumbtack
Growing quickly in large part because of the referrals he receives from his highly satisfied customers

I am so happy to have connected with Mark Lang and his company, FL-AIR HEATING AND COOLING. This young family-man spent seven years in the HVAC business and saw the worst practices of the industry. He started his company a year ago, and is growing quickly in large part because of the referrals he receives from his highly satisfied customers.

I could not recommend Mark and his team more highly

Graeme Woodbrook
Source: Facebook
This is the only A/C guy you should use

this is the only A/C guy you should use, don’t waste your time and money with the others. I saved over $7000 by using theses guys. call them right now if you have a A/c problem.

Warren S.
Source: Thumbtack

David Turner

2 weeks ago

This a 2nd update (January 2026) to my earlier reviews. HVAC tech Ryan came to my home just a day or two after FL-Air merged with Veteran Air. My experience with Ryan, who came for routine maintenance on the HVAC system in my home. I was appreciated Ryan's manner which was friendly and professional. I was particularly impressed with his ability to explain to me his findings and answer my questions about the inspection and maintenance he provided. Excellent service.

This is an update (July 2025) to my initial review of FL-AIR Heating & Cooling almost a year ago. HVAC tech Brandt came to my home yesterday to perform routine maintenance on our air handler. He arrived on time. His manner was courteous and professional. Brandt's work was both careful and thorough from start to finish.

During a previous appointment Brandt noticed that the insulation on the inside of the handler's front panel was peeling off. He spray-glued it back into place and anchored the perimeter with a strong adhesive tape. I appreciate that he pays attention to the details.

Before leaving, Brandt gave me a brief verbal summary of all the items he had checked and serviced. In a nutshell, my experience with FL-Air has been excellent. I give them my highest recommendation.

Response from the owner:Hi, David. We are thrilled to learn that you had a positive experience with us!

Brandon Burnell

3 weeks ago

He was nice and efficient

Response from the owner:Hi, Brandon. We appreciate the kind words and are glad we could provide you with a positive experience!

Lisa K

3 weeks ago

Great company to handle my A/C maintenance and repair. Friendly, knowledgeable and fair prices. They are responsive to my needs. I'm very happy with them.

Response from the owner:Hi, Lisa. Thanks for taking the time to share your positive experience. We truly appreciate it!

Michael Brand

3 weeks ago

We’ve been with them for awhile and they have always provided great service. Yesterday was the first time we needed to call them over a weekend and their response was nothing less than outstanding. Within 90 minutes of calling they had a technician at the house diagnosing and fixing the issue. From the rep on the phone to the technician onsite, they made us feel like a valued customer.

Response from the owner:Hi, Michael. We are thrilled to learn that you had a positive experience with us!

Lisa M

4 weeks ago

Great service and very professional. Brandon was very knowledgeable on issues and resolutions.

Response from the owner:Hi, Lisa. Your feedback is highly appreciated. Thank you for the review!

Michael Zupansic

4 weeks ago

Hi there! Called for appointment and they got me in same day. Got the part same day and the young man stayed to get it done and make sure I had heat!! Awesome fl-air! Thanks again! Mike z😎

Response from the owner:Hi, Michael. Thank you so much for leaving us a stellar review!

Graeme Woodbrook

4 weeks ago

In the HVAC industry, trustworthy providers are in short supply. Mark is an ouitstanding exception and would never trust anyone else to support my HVAC needs.

Response from the owner:Hi, Graeme. We appreciate the kind words and are glad we could provide you with a positive experience!

George Yang

4 weeks ago

I have now hired FLheating and air for three separate occasions. Twice for duct related issues, and most recently for a very complicated upgrade of a very old AC unit.

Their technicians and staff, in particular Brandon have always been consummate professionals. They always gave all reasonable options and what to expect in uncertain areas. Fortunately, their experience and expertise is evident when everything goes perfectly well.

They clearly take tremendous pride in their work, and I would not hesitate to hire them again or refer them to anyone I know.

Response from the owner:Hi, George. Thank you so much for leaving us a stellar review!

Albert Segui

4 weeks ago

Response from the owner:Hi, Albert. We must have done something right to get such a good rating from you. We really appreciate you taking the time!

Elizabeth Riefler

4 weeks ago

We were very happy with our first use of their services.

Response from the owner:Hi, Elizabeth. Your feedback is highly appreciated. Thank you for the review!

gary selby

4 weeks ago

My service was done and I was very happy with the way everything is running.

Response from the owner:Hi, Gary. We are thrilled to learn that you had a positive experience with us!

Stacy Skau

4 weeks ago

These guys are the best in town! Their attention to detail is over the top! They over communicate on what needs to be done which is refreshingly rare! If you're looking for a local AC repair or installation company, look no further!

Response from the owner:Hi, Stacy. We appreciate the kind words and are glad we could provide you with a positive experience!

Maribel Borja

1 month ago

Response from the owner:Hi, Maribel. Thank you so much for rating your experience with us so highly!

Kirk “Captain Kirk” Diaz

1 month ago

What a great HAVAC company and service tech. This is the second time I have used them for a service call and they are so honest and efficient with their scheduling, my issue turned out to be minor one and was fixed immediately. I have since signed up for an annual service and maintenance contract which is a great deal.

Response from the owner:Hi, Kirk. Thanks for taking the time to share your positive experience. We truly appreciate it!

Woody Helfand

1 month ago

Mark Lang and his crew are truly the best professional HVAC company I have dealt with in decades. I particularly enjoyed Brandt the tech and will request him as my primary technician. He was kind, thoughtful and really efficient. totally transparent. SO grateful for FL-Air Heating & Cooling! and again they just keep ringing the bell! Brandt is terrific. He came over today and did a wonderful thing and I must say coral spelled KORAL is a fantastic receptionist. It’s very responsive that the entire company is a direct reflection of their owner Mark Lang, who is absolutely incredible: high integrity, trustworthy, and good employees. I endorse this company 1,000,000%.

Response from the owner:Hi, Woody. We are thrilled to learn that you had a positive experience with us!

Furqan Hanif

1 month ago

Response from the owner:Hi, Furqan. We are delighted that you had a great experience with us. Thank you for taking the time to rate us!

PGNA Susan

2 months ago

Excellent service.

Response from the owner:Hi, Pgna. Thank you so much for leaving us a stellar review!

Peter McDonald

2 months ago

Response from the owner:Hi, Peter. Your feedback is highly appreciated. Thank you so much for the review!

Carey Huyser

2 months ago

They are always friendly, always come when they say they will, and have reasonable prices - and best yet, they're honest! After several terrible experiences with other businesses, I'm glad we have chosen FL-Air for our home and our rentals.

Response from the owner:Hi, Carey. Your feedback is highly appreciated. Thank you for the review!

Linda Angebranndt

2 months ago

Very courteous and respectful

Response from the owner:Hi, Linda. We appreciate the kind words and are glad we could provide you with a positive experience!

Anton DeWet

2 months ago

Great tech who did a very thorough job. Glad we found them.

Response from the owner:Hi, Anton. Thanks for taking the time to share your positive experience. We truly appreciate it!

Ricky D Olivero

2 months ago

Awesome service as always Florida Air heating and cooling is just that kind of company, make sure things are done right before they leave friendly service, even tho it was my wife's fault for shutting off the switch with the ladder, Thank you to Lareik for catching that and for your professionalism. And also giving me a few tips to keep my system running smooth all year round, this company is simply the BEST!! 5 stars!!!!!

Response from the owner:Hi, Ricky. We are thrilled to learn that you had a positive experience with us!

AMillionin1

2 months ago

Brandt was great. He explained everything and did not try to sell me on service or parts that I did not need. He was diligent and thorough and left his area of work neat and clean. Refreshing to have someone that cares. He even showed before and after pictures of his work. My ac guy retired and as a long time realtor it is good to have someone I can feel good about referring to others again.

Response from the owner:Hi, Amillionin1. Thank you so much for leaving us a stellar review!

jerry santana

2 months ago

Always satisfied with the service and Brandt is very nice, professional and knowledgeable. Very considerate about cleanliness and wears shoe covers,

Response from the owner:Hi, Jerry. Your feedback is highly appreciated. Thank you for the review!

Don Gilbert

2 months ago

FL-Air Heating & Cooling did great job and the communication above and beyond. Thank You!!

Response from the owner:Hi, Don. Thanks for taking the time to share your positive experience. We truly appreciate it!

Doug Maddison

2 months ago

The guys did a great job, cleaned up after themselves and took them a couple of hours to replace our 2.5 ton unit.

Response from the owner:Hi, Doug. Thank you so much for leaving us a stellar review!

Rosemary Dragotta

2 months ago

Very knowledgeable, explains on customer level. Politely answered questions. Brant is the best

Response from the owner:Hi, Rosemary. We are thrilled to learn that you had a positive experience with us!

Sherry Gordon

2 months ago

We have been using Florida Air for 5 years now they are the BEST Brandt was here today for our check up he was outstanding we wouldn’t use anyone else
Thank you

Response from the owner:Hi, Sherry. Your feedback is highly appreciated. Thank you for the review!

Charlie Fanning

2 months ago

We always have a great experience with the guys from FL-Air. Bobby took care of all our maintenance needs and discussed all the pertinent details of his findings.

Response from the owner:Hi, Charlie. We appreciate the kind words and are glad we could provide you with a positive experience!

Jake Gagne

2 months ago

Brandon is a pleasure to work with and very fair/reasonable with is pricing

Response from the owner:Hi, Jake. We are thrilled to learn that you had a positive experience with us!

Cary Harbaugh

2 months ago

Response from the owner:Hi, Cary. Thank you so much for rating your experience with us so highly!

George Torres

2 months ago

Bobby was very nice .he check every system completely with no issues. He did an excellent job .thank you bobby

Response from the owner:Hi, George. Thank you so much for leaving us a stellar review!

ladcad

2 months ago

Great Techs, delivering great service. Had annual check up on my newer units and all went well, as expected. Hard to beat FL Air.

Response from the owner:Hi, Ladcad. Your feedback is highly appreciated. Thank you for the review!

Michael Dermont

2 months ago

Mark Lang and his team were outstanding. They kept me informed throughout the entire process, answered all my questions and delivered on time. Thank you FL Air Heating & Cooling.

Response from the owner:Hi, Michael. We appreciate the kind words and are glad we could provide you with a positive experience!

Jerry Edmonds

2 months ago

Brandt was on time, fast, knowledgeable, and polite. Would welcome him back anytime!

Response from the owner:Hi, Jerry. Thanks for taking the time to share your positive experience. We truly appreciate it!

Bryne Bushofsky

2 months ago

Response from the owner:Hi, Bryne. We are delighted that you had a great experience with us. Thank you for taking the time to rate us!

LEE ERICKSON

2 months ago

In my opinion the company did a great service for me. After I have called and talked with them they sent a technician out and he was here right on time that we agreed upon. He was professional in his duties diagnosing the problem we had with our air conditioning equipment. The parts were ordered, they called and let me know the parts were in and scheduled the time for the technician to come out, the technicians was here on the agreed time. Brandon was our technician who did the diagnosed and did the work installing our parts, he worked very professional steady, and finished in a timely manner. I feel the company should be very proud of Brandon to represent their company the way he did very professional. Their prices were reasonable. I would definitely highly recommend their company. I would definitely use them in the future. I also feel that they have great service plans I would definitely recommend those also.
Lee E

Response from the owner:Hi, Lee. Thank you so much for leaving us a stellar review!

Tina Pennino

2 months ago

I keep using this company due to several reasons, they are always prompt either when I have a problem with a/c or when I need maintenance. Next is important to me as this is a trustworthy company that has always been honest with my a/c needs.One more thing is the technicians are the best, they explain and educate you on the a/c, companies don’t take the time for that anymore but this company does.

Response from the owner:Hi, Tina. Your feedback is highly appreciated. Thank you for the review!

Derek Perez-Piris

2 months ago

Response from the owner:Hi, Derek. Your feedback is highly appreciated. Thank you so much for the review!

Steven Collins

3 months ago

I recently had a new A/C unit installed by FL-Air and their professionalism, knowledge, and timeliness was phenomenal. The install crew were diligent, meticulous, and helpful to my many questions. Great job. Great company.

Response from the owner:Hi, Steven. Thanks for taking the time to share your positive experience. We truly appreciate it!

Echo EliteTeam

3 months ago

Always the best AC company. When you have a problem with your AC and you call Florida Air, they will be there to take care of it. I will never use another AC company. If I could give 100 stars i would.

Response from the owner:Hi, Echo. Thank you so much for leaving us a stellar review!

Liping Tang

3 months ago

Great service!

Response from the owner:Hi, Liping. Thanks for taking the time to share your positive experience. We truly appreciate it!

Laura Rubin

3 months ago

Brandon B -Thoroughly went through the AC system, was courteous, and knowledgeable. would Highly recommend Brandon and this company!

Response from the owner:Hi, Laura. We are thrilled to learn that you had a positive experience with us!

Lee Muchnikoff

3 months ago

Brandon did a great job of providing maintenance service, as did Nate last week when air handler wiring needed to be fixed.

Anita Akers

3 months ago

Very efficient at installation. Friendly and informative. Reasonable price. I'd definitely recommend them.

UPDATE: My Unit "froze up" on July 4th. Left message and they called me back at 8 am the next morning. A tech arrived before 8:30. Problem found, temporary fix made, and scheduled to be back to trace the leak this week. Very pleased with the response time and looking forward to getting the leak taken care of.

11-14-2024: Friendly, efficient service.

11-22-2024: semi-annual maintenance complete.

03-26-2025: semi-annual maintenance complete. No problems.

11-17-2025: Just had my semi-annual maintenance done. As expected, no problems and service was great.

Response from the owner:Hi, Anita. We appreciate the kind words and are glad we could provide you with a positive experience!

Nelia Bruce

3 months ago

Response from the owner:Hi, Nelia. We appreciate the rating, and are glad we could provide you with a positive experience!

Martha Minahan

3 months ago

Excellent service! FL-Air is outstanding in every regard. First class service! Prompt and did the job fully.

Response from the owner:Hi, Martha. Your feedback is highly appreciated. Thank you for the review!

J Maz

3 months ago

FL-Air was professional, but I wish they had told me that they have no experience with the type A/C that I have Amana PTAC.

Response from the owner:Hi, J. Thanks for taking the time to share your positive experience. We truly appreciate it!

Jerry M.

8 months ago

Great service by this company. Alvino was an excellent Tech. Friendly and professional. This will be my goto AC company. Keep up the great work...

Edward B.

8 months ago

Over the past few years, we've had an excellent experience with FL-Air Heating & Cooling. From purchasing new equipment to getting it installed and...

Mark B.

9 months ago

Call them from New York for my house in Florida, which is unoccupied at the moment. For a problem with my AC unit, which was not working properly. Cannot...

Rachel M.

10 months ago

We Just Got Our New A/C Unit Installed! We Did So Much Research, and Met Many Companies. We Finally Decided On FL Air Heating & Cooling.

From the start...

Deborah

1 year ago

Troy came to service our a/c unit. He was very knowledgeable,professional and personable. We highly recommend this company and Troy for your ac needs

Bob V.

2 years ago

We found a company we really trust. I called and told them our thermostat was not working. Turns out it was a blocked drain which was much cheaper. So yea,...

Carey H.

2 years ago

They are always friendly, always come when they say they will, and have reasonable prices - and best yet, they're honest! After several terrible experiences...

Adam C.

2 years ago

Exceptional HVAC Service!

I recently had the pleasure of working with FL-Air Heating & Cooling, and I couldn't be happier with the experience. From start...

Rachel M.

3 years ago

We needed someone in a pinch on a late Friday afternoon after we realized our a/c wasn't working. We realized the fan outside was not working.

After I did...

Peter J.

6 years ago

Our air handler's blower motor ceased it's duties one night and I called Mark Lang with FL-Air on a recommendation from a co-worker the next day. Mark came...

Doug P.

7 years ago

I heard about this contractor and my friend was right, The guy was knowledgeable, fair and was efficient. I WAS REALLY IMPRESSED. This was my best...