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HVAC Financing Birmingham AL
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(205) 326-7268
Paradise Heating and Air | HVAC Birmingham Alabama

HVAC Financing Available | HVAC Repair Birmingham AL

Thermostatic expansion valve

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A thermostatic expansion valve (TXV), also called a thermal expansion valve, is a device used in HVAC systems to regulate the amount of refrigerant that enters the evaporator coil. It adjusts the flow of refrigerant based on the superheat—a measure of how much the refrigerant gas has been heated above its boiling point. By doing this, it ensures the evaporator operates efficiently, preventing too much or too little refrigerant from flowing in. This helps maintain consistent system performance and protects the compressor from damage caused by liquid refrigerant.

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© 2025 HVAC Birmingham, AL | Paradise Heating and Air | Website and Marketing by Cahaba Digital | AL License 22158

Kyle & Joanna Baker
Kyle & Joanna Baker

just left us a 5 star review

on
google
2 weeks ago  
Kyle & Joanna Baker
google
Kyle & Joanna Baker

Jonathan was fantastic to work with! We had multiple quotes and opinions on some work we needed to get done and his recommendations and quote came in best and he had some recommendations others did not make that make us feel like he really cared about doing the right thing and really inspected our hvac situation. Jennifer and Gracie were also stellar! Will call them back and recommend to our friends!

Jerry Smith
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Jerry Smith

On time. Made excellent recommendations. Work performed quickly and reasonably.

Rory Chrane
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Rory Chrane

From the first phone call, I was impressed, I spoke to Jennifer and on a follow up call, I spoke to Gracie. Both are related to the owner Jonathan who came out today and gave me a breakdown and an idea of what is needed and proposed how to go about doing a mini split, which I’m excited to get done, so much so that I wanted to give a review, even before the work begins which I’m sure will be excellent. He recommended a good brand Mitsubishi and explained why he chooses them, giving a very detailed explanation. Jonathan was very personable and efficient and I look forward to the job being completed and future business with this company.

Dana Gaudet
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Dana Gaudet

I recently had this company come out to my home because my unit wasn’t working, they had someone out the same day. Jonathan was extremely professional and knowledgeable, definitely recommend this company!!

Melanie Authement
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Melanie Authement

Honest and kind. Gave incredible price for work completed. Called and was able to come earlier than expected! Cannot recommend enough

Sandy Hicks
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Sandy Hicks

Being a first time customer I was extremely impressed with how punctual and professional the technicians are. I highly recommend Paradise Heating and Air

Tom Marvin
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Tom Marvin

Jonathan and his crew are always quick to respond and on time. They always help me to understand what is going on with our AC and heating units. I get a concise explanation of what needs to be done. I have always gotten an honest answer about my current units and I have never gotten any pressure to replace the equipment that did not need replacing. It feels great to be able to trust the information you get from the people looking after your HVAC equipment, and that is what we get from Paradise. T. Marvin

M Sewall
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M Sewall

Paradise was very responsive and was able to come same day. Very professional, nice and honest - would recommend to anyone!

Martha Neighbors
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Martha Neighbors

Paradise Heating & Air was conscientious about scheduling and doing a thorough job in installation and servicing.

Deborah Atchison
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Deborah Atchison

Had what I thought was an issue with my furnace at MIDNIGHT and was in a panic trying to decipher what I thought was an error code. Called numerous places advertising 24/7 assistance and no one could/would help. Jonathan Perkinson with Paradise actually called me back, explained it all to me and kept me from shutting it all down on a cold night. So kind and helpful!!! Highly recommended!

Cassandra Moore
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Cassandra Moore

Always on time and very well please explain everything that they did

Jon Hinds
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Jon Hinds

On time, explained everything very well. Came up with come options to repair my system rather than replace. Thank you.

A.K. Powell
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A.K. Powell

Scheduling was super easy and they were able to work me in quickly. Jonathan was so nice and explained things to me in a way I understood. They were also very quick but thorough

John Wills
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John Wills

Great company to work with AGAIN! The minor issues found were carefully explained and resolved. We setup a biannual service plan to keep this 20 yr old house in tip top shape. This is the company you need to handle your HVAC needs.

Pheobe Hall
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Pheobe Hall
Wilson Moores
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Wilson Moores

I have been extremely pleased with the work performed and customer service.

John DiOrio
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John DiOrio

Jon and his team have renewed my faith in the HVAC industry. They service two homes with aging Heating & Cooling systems, and they've gone above & beyond in both cases. From surveying the attics for proper insulation, to accessing the basements and crawl space for any issues that might need to be addressed, I'm confident I'm in good hands with Paradise Heating & Air.

DIONDRA ROBINSON
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DIONDRA ROBINSON

If you are having any HVAC issues please do not hesitate to call Paradise Heating and Air. Mr. Jonathan and his team were quick and provided answers to all my questions. I appreciate how quick they came out and fixed my issue being that we have had some extremely hot temperatures lately. I look forward to working with them in the future. I will be recommending them to anyone who has an issue. Thanks again to Paradise Heating and Air.

Mary Cavett
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Mary Cavett

Jonathan was great - AC suddenly went out and he was able to get over in 30 min and get it working again! Very knowledgeable and nice!

Chris Mauck
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Chris Mauck

Came out same day and explained the problem I was having and how best to fix it, and also what to look for to get ahead of any future issues before they get too bad

Daniel Maddox
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Daniel Maddox

Jonathan and the guys did a fast and efficient job fixing our ac. Always a worry when it goes out at the start of summer in Alabama. I highly recommend paradise heating and air to fix your ac problem. Communicated arrival time, explained the issue thoroughly, also didn't break the bank! Thanks again paradise!

Cheryl
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Cheryl

It was a fluke I got them. I called to order a part, instead I got the best service of any HVAC service in the Birmingham area. Fast response, honest, efficient, and fairly priced. Professionals who care about their reputation. Thank you.

Nae Nae
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Nae Nae

I’ve used them several times now and they are always quick to respond, very polite and honest. I would highly recommend them.

Rachael Cowan
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Rachael Cowan

Jonathan has always been very respectful and helpful when he comes to service our HVAC! They are prompt to get you on the schedule, have fair pricing, and he is great about explaining what he did to fix your problems. This is an honest company that makes you feel valued.

Lauren E Means
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Lauren E Means

Paradise Heating and Air was great to work with—professional, on time, and very thorough. They communicated clearly throughout the entire process and were upfront about pricing and exactly what they discovered was wrong. I’m very pleased with their service and will definitely use them again. Being on time was a huge plus as well!

Karen
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Karen

Johnathan was great! We had a moisture problem in our kitchen cabinets that were on an interior wall. He spent a good amount of time figuring out what was going on, gave us a solution and answered all of our questions. A very good experience!

Chase H
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Chase H

Quick service, fair price, and very thorough with explaining different options. Jonathan was straight and to the point without any sort of pushy sales talk which is rare in the HVAC industry today. Highly recommend!

Hector Orozco
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Hector Orozco
Printella Thomas
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Printella Thomas

Wonder job Persistent and thorough in evaluating the problem and correcting the problem

Audray Jones
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Audray Jones

First of all they are very courteous people. Secondly they gave me an appointment asap and was there right on time in which I was able to keep track of the arrival by text messages. They diagnosed the problem and it was resolved in less than 30mins. I am truly grateful for Paradise Heating and Air. Thank you for your service. Side note: they chose the best name for the company. I was in Paradise after the repair lol

Polly Norris
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Polly Norris

I honestly cannot tell you just how highly I recommend these folks. Five stars are not enough! They are friendly, professional, very competitively priced and a real pleasure to work with. I've had them out twice, once for a split unit in my sunroom and then today for my main unit and both times they did an exceptional job.

Carole Grimes
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Carole Grimes

Called Paradise on a Sunday(Father's Day) and got a call back and service/ repair the same day. They explained what was needed and did the necessary repairs. I have a nice cool home again.

Ramona Martin
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Ramona Martin

Trustworthy and honest! I'm so thankful for the service I receive from Paradise Heating and Air. I am a repeat customer because I know Jonathan will not try to sell something I do not need. He explains any issues in detail leaving the decision up to me on whether or not to replace a part. Jonathan takes his time to make sure everything is in good working order before he leaves.He truly cares about his customers. I highly recommend keeping your unit(s) serviced twice a year. I am seeing the benefits on being proactive with this. It's totally worth it. I cannot rave enough about the customer service you receive from Paradise Heating and Air. Call them!!!

Pat Turner
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Pat Turner

If only all of our consumer needs were met like the service provided by the team at Paradise Heating and Air. From the very cordial and helpful Paradise employee who answered our after-hours, weekend phone call to the technical service provided by Jonathan and Matthew on Monday - we couldn’t be more pleased. We were informed every step of the way via text of all pertinent information including: scheduled appointment time, tech arrival time with the id’s of technicians who would be performing the work. Jonathan and Matthew arrived five minutes earlier than the one hour scheduled window (no no-shows here), did what they had to do and didn’t use weaponry to determine labor costs. In a land where customers have seemingly been disregarded and led to die, the folks of Paradise have obviously seen themselves and decided to do things a different and better way.

David Brainerd
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David Brainerd

Jonathan did a great job. Highly recommended.

samuel wilson
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samuel wilson

Tech was on time, very professional, courteous, knowledgeable addressed my concerns about the system. Will definitely be recommending Paradise Heating and Air.

Dave Meyer
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Dave Meyer

I was extremely impressed with Paradise Air and am very glad I found them. I have a very old HVAC system they needed some ducts and a condensate pump replaced. They were extremely thorough and clearly explained everything they planned on doing. The price was excellent given how much work they had to do in the crawlspace and the extra time they spent with me advising me on how to get as much out of my old system as I could. They weren’t there to try to sell me a new system. They were there to repair what I asked them to at a reasonable price and help me extend the life of my current system. I won’t even think of calling anyone else from now on.

Ruthie McNeil
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Ruthie McNeil

I was fortunately able to get an appointment for the next day. Jonathan & Austin were prompt and kept me advised of their arrival. They quickly found the problem with my "heat" and were able to fix it without problems. They were very friendly and professional, and I felt that their pricing was fair and reasonable. Thanks again, Guys! UPDATE: I once again had a very good visit from Paradise Heating & Air - they are very prompt and reliable and do an efficient job - thanks once again! I definitely recommend these nice guys!!!

Christine Wilcox
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Christine Wilcox

They were great. Came out on a Thursday and looked at my system. Went over all of my options of repairs or replacements. Explained both the advantages and disadvantages of both options in detail so I could make an informed decision. Came back out the following Monday to do the work. Very friendly and knowledgeable staff.

Yan Zhu
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Yan Zhu

Jonathan came by and discussed my problem with me. He was professional and gave me helpful suggestions. He did not even charge me for his time. It was a pleasure to work with them, please give the company a try.

glophers hicks
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glophers hicks

Jonathan was very professional and knowledgeable, with a great personality. I will be doing business in the future with his company. I immediately signed up with the company’s annual service plan.

Ashley Ponter
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Ashley Ponter

We were very pleased with the service we received! The men were knowledgeable, honest, and timely. We would HIGHLY recommend this service!

akash ahmed
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akash ahmed

Good service.

Mary Williams
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Mary Williams

Great experience!

Misty Hughes
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Misty Hughes

I had my new unit installed about a week ago. Johnathan was the best. It was effortless , perfect workmanship , on time. Explained everything! Thank you Paradise !! FIRST RATE. TOOK CARE OF ME ASAP. WILL USE IN FUTURE FOR NEW UNIT

Monti Pres
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Monti Pres

Wonderful

Steven Saunders
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Steven Saunders

I had paradise come out to get me started with their paradise maintenance package, and had them take a look at my attic because we had concerns with our insulation not being adequate. They didn’t try to over sell work I didn’t need, and were honest with what exactly was needed to get us back on track. Techs Jonathan and Matthew came out for the initial inspection and service and came back to do the attic insulation. They were patient and knowledgeable (I ask a lot of questions) and took their time. They found all the places that my system was leaking (out and in) air, fixed them, and then filled the attic. They kept the house clean and were respectful and had great attitudes the entire time. They have definitely earned my business, and I would recommend them to anyone looking for HVAC work. They are AWESOME!

Kyndall Alexander
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Kyndall Alexander

I would definitely recommend this company they were very knowledgeable and a decent price!

Laurie Dunn
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Laurie Dunn

Always knowledgeable, respectful, and right on time!

Ronald L Speck
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Ronald L Speck

Great service, price, and quality workmanship! Highly recommend! I will use them again.

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