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A-1 Hot Tub Guy

Hot Tub or Spa Repair or Service,

About us

"Fix it right the first time" Karl's cell 330-620-0484 If I don't pick up I'm probably under a tub. I return all calls the same day. There has never been a hot tub I've not been able to quickly and accurately diagnose and repair. Many thousands have been repaired. I stock 99% of all hot tub parts in the van at all times, and the equipment / tools to install them properly. Most tubs are well designed and run without issues for 6 to 8 years. With accurate diagnosis, proper parts and proper installation your tub will perform for another 6 to 8 years, at a fraction of the cost of a new tub. Everyone's value of there own personal hot tub can be different. If it is time for it to go back to the hot tub God that it came from, we have a disposal service.

Business highlights

Se habla espanol
Emergency services offered
35 years of experience

Services we offer

I know hot tubs 100% and have fun seeing them come back to life.

Amenities

Emergency Services

Yes

Warranties

Yes

Reviews
3.0242 Reviews
Number of StarsImage of DistributionNumber of Ratings
5
33%
4
13%
3
6%
2
3%
1
29%

Filter reviews by service

Showing 1-25 of 242 reviews
Kim R.
Oct 2025
1.0
Hot Tub or Spa Repair or Service
$600
Karl charged me $600 cash; said he?d fixed it; and he didn?t actually fix it. I let him know it wasn?t hearing past 86 degrees and he said (without coming back to review) it needed a new control panel for $2,400. But he never refunded my $600?and I found another repair provider who fixed the problem for a fraction of Karl?s quote.

Charles Y.
Nov 2024
3.0
Hot Tub or Spa Repair or Service
Problems persisted after attempt at repair.

Noel T.
Nov 2024
4.5
Hot Tub or Spa Repair or Service
Yes, I recommend this pro
Very knowledgeable. Cash only gave me pause but was satisfied after work was completed.

Omar I.
Nov 2024
0.5
Hot Tub or Spa Repair or Service
$600
Karl has some disability that makes him hard to talk to and i think that is how he gets away with being so dishonest and unfair. First off charging hundreds for a trip charge is criminal especially when you are located nearby, then to charge an additional $300 on top of that is ridiculous. He never mentioned a trip charge over the phone and surprised me with it and demanded I pay up front in cash for 2 hours of work before he even started doing anything. After 15 mins he said it cant be fixed and he continued to poke around so he could fill up the hour and get paid even though i told him to just leave. He actually was only working for half an hour and left without giving me my investment back. I thought I was paying for 2 hours but he then told me it's a trip charge and would not reimburse me. This is the what I get for being nice and trusting this guy after several red flags. Karl might have ran a good business 20 years ago but the time has come that he shuts down. DO NOT give him your money, he now runs a scam and needs to be held accountable for being dishonest. I demand a refund. I respect coming out and examining hot tub for 30 mins but it is not even close to worth what he is charging. EXTREMELY UNPROFESSIONAL! I have read comments of him justifying these actions to others but be honest Karl. You know for a fact that you are over charging and taking advantage of people. $300 for an estimate I was willing to understand but an additional $300 charge to drive less than an hour out does not make any sense. Your time is not that valuable and after google mapping your house I can see that you are living like a king while stealing from the poor. Idk if you are faking a disability to take advantage of people but idk how you sleep at night. Do not even try and justify this, you completely robbed me and felt no remorse, go to hell! NEVER HIRE THIS MAN. It wont be different for you. I promise he is nothing but a scam artist. Any positive review is 100% fake

Nicholas S.
Oct 2024
0.5
Hot Tub or Spa Repair or Service
$600
Con-Artist,I had a specific broken fitting that needed replaced. This piece of shit Karl from A-1 said he has almost every fitting in his van. Showed up with a girl and a wagon, full of tools and parts. Played on mats looking like he was repairing shit, handing bullshit to the girl, she would go to the truck, come back with other bullshit. When I checked on what progress was made, the broken fitting was still there, not touched and he had random PVC pipe pieces by him, he said the broken fitting is not made anymore. He did nothing, absolutely nothing was making it look like he was working when in reality he had done nothing. I demanded my money back, he said call the cops. I called the cops and the dispatcher would not send an officer, said it was civil, glad dispatchers know the law and make those decisions. Total fucking con-artist. Any review on here that does not mirror what I have written is probably this con artist writing fake reviews. I will never use Angi ever again. This site can go fuck themselves along with Karl the con man. As long as Angi promotes criminal pieces of shit like Karl they are just as good as the bullshit ads in the back of porno magazines. Fuck you Karl and shame on you Agni

Jerry Q.
Jun 2024
0.5
Hot Tub or Spa Repair or Service
Yes, I recommend this pro
Terrible business model, insists on cash before starting anything, then knows nothing, says nothing, and leaves our home solving nothing. I can?t believe this guy is allowed to be on this site, disappointed with Angi for even referring these folks that cause more problems that they are paid to solve.

Rose B.
Jun 2024
0.5
Hot Tub or Spa Repair or Service
Embarrassed to admit this guy took my money up front--did not connect the new computer board correctly (we are missing jets) ----way overcharged me for labor and then (I am sure) immediately my phone was blocked from all his numbers. Attempts to call the website numbers immediately go to voicemail for three days now. A1 Hot tub guy is a Crook-----

Dave O.
Jan 2024
1.0
Hot Tub or Spa Repair or Service
They did not do nothing and took my money.

Lance L.
Oct 2023
0.5
Hot Tub or Spa Repair or Service
Total scam artist!! Did not do the job he was hired to do! Charged us $400 to fix two leaks. He said he was going to replace a manifold, when he got there he said he did not have the right one, and we needed to use â hot tub stop leakâ . He was only there for 30 minutes and didnâ t fix the problem!!! Should have checked him out better!! DEFINITELY NOT A-1 !!!! Total criminal, should not be able to do this to people!

Kendra K.
Oct 2023
2.0
Hot Tub or Spa Repair or Service
Was not able to fix the hot tub and what he said was wrong was not.

Oleg S.
Jun 2023
0.5
Hot Tub or Spa Repair or Service
I already told what was broken in control box, literally pointed by finger to the transformer. After 1 hour: "yes, you were right. i cannot fix it. pay me 1500, for the parts and i can replace it". when by phone said that this will be 5 minutes deal and can be fixed quick. And yes, part cost is $500 on each available marketplaces. So charge $400 for nothing. No work done, no new information.

Elaine T.
Jun 2023
0.5
Hot Tub or Spa Repair or Service
$600
Charged an exorbitant price and the tub quit working the next day.

MATT R.
Jan 2023
4.0
Hot Tub or Spa Repair or Service
Yes, I recommend this pro
Fixed disconnected pipe. Very knowledgeable about hot tubs, which is hard to find. Learned the hard way after several others.

Cindy W.
Nov 2022
0.5
Hot Tub or Spa Repair or Service
$400
This guy is a scam! DO NOT USE! Charged us $400 cash - would not give a receipt. Took apart all the wires then said it would cost $1200 to put it back together. He left after 10 minutes and did not fix his mess. We called the police. They said that they had several complaints on him.

Jeff S.
Sep 2022
5.0
Hot Tub or Spa Repair or Service
Yes, I recommend this pro
Very efficient and knowledgeable

Michael H.
Aug 2022
5.0
Hot Tub or Spa Repair or Service
Yes, I recommend this pro
$205
Spencer was thorough and professional

Mark F.
Aug 2022
0.5
Hot Tub or Spa Repair or Service
$1,200
They quoted $3,025.00. We got it done for $1188.00. Our repairman found wires cut (sabotaged) by A-1. I have read others have had a similar experience. We paid $400.00 (cash)

Linda C.
Aug 2022
1.0
Hot Tub or Spa Repair or Service
Dr. Dierker has been screened and approved by Home Advisor for many years, that is why we don't understand why he is failing to do what he said he would do. He claims to provide honest work for honest pay and he finishes the job at the customers convenience. He claims to be a professional and that he provides a professional detailed copy of a receipt before and after every service call. He says that he does this so that the parts and labor are easily understood by the customer and their home insurance co. if it is covered in their policy. He says that he follows all Federal and State laws. Capital City Pools of Pataskala Oh also recommended him. On 4/13/22 we paid him $400.00 cash to come to our house to fix our hot tub. He told us that we needed 2 manifolds at $400.00 each = $800.00 and 8 hours labor at $200.00/hr = $1600.00 for a total of $2200.00 (he added wrong). He said that he could not guarantee that it would not need more repairs after he fixed the manifolds, he did not have a crystal ball or a magic wand. He said that he would order the manifolds when he received a cashiers check for $2200.00 from us and then it would take about 2 weeks for them to arrive. He gave us a receipt for $200.00 to come here and $200.00 for one hour of labor = $400.00. He also gave us the estimate for the work to be done. On 5/24/22 we sent him a cashiers check for $2200.00. On 6/17/22 at 10:00am we were getting into our car to leave when Mr. Dierker arrived at our house, unannounced, with another man. He said that he didn't need to get into our house to fix the hot tub and if he did not do the work now he could not come back for a month. We told him to go ahead and do it now. When we came back at 2:30pm he was gone. There was no receipt, no note, no email or text so we assumed that he had finished the job. On 6/26/22 we filled the hot tub with water and turned it on. Water came shooting out the back of it. We turned it off immediately. We talked to Mr. Dierker on 6/29/22. He told us that they could not move the hot tub so they did not put the 2nd manifold in the back. We told him that we would have it moved when he came back to finish the job. He did not say when he would be back. On 7/26/22 we contacted Capital City Pools and they contacted Mr. Dierker. He called us right away. He said something about the manifolds which didn't make any sense. He also said that there were 2 people there that day which is $200.00 per person per hour which equals $400.00 per hour X 4 hours = $1600.00. We have no idea what they did that day because we did not receive a receipt or an explanation at that time. He said that the job was finished and he was not coming back. What do you think? Did he do what he said he would do? All I know is that I want my hot tub to work again or I want my money back. I might have to go to small claims court to get it and I will definitely be notifying the Better Business Bureau. Please be smart and read this review and never give this person a penny.

Joanne M.
Mar 2022
1.0
Hot Tub or Spa Repair or Service
I would have been fine with the $300 cash payment however he was not able to stop the leak after spending an hour. I was then told that pipe had leak (that I was ok with) and also that the motor had to replaced because the thread on the connector was striped. For new pipe and motor it was an additional charge of $1425. Before moving forward I wanted second opinion. For $258 total, my leak was fixed, by the second business. So glad I got second opinion. I would not recommend A-1Hot Tub Guy.
Response from A-1 Hot Tub Guy
"Everyone's value and "Reliability" of their own tub can be different. You hired a professional and you got one. We do not install or sell used parts or parts bought online by you. You received an accurate diagnosis which is what you paid for, In a day or week or longer it will have the same issues or more, and unending game of musical chairs with your hot tub being more unreliable at your expense in the future. Cheating your hot tub on the right stuff will only cheat yourself. If it is not in the budget to do it right the first time. Commonly, people, wait till it is. Hot tub rarely accumulate additional issues when they are shut down properly."

Mark H.
Dec 2021
1.0
Hot Tub or Spa Repair or Service
Charged a trip charge and 1-hour labor, $420. All he did was glue a 30 cent PVC plug in one of the water diverters which he charged an extra $20 for. Did not even try to find the slow leak, said it was probably the waterfall feature and that 99% of the time turning off that diverter would stop the leak. Well, it did not... so, $420 later and I still have a leak in my hot tub.
Response from A-1 Hot Tub Guy
"I think you know this, but we do not sell crystal balls or magic wands for $420.00 that makes all your hot tub leaks go away. We do not sell new hot tubs, nor do we sell service contracts for parts or labor that cover past, present, or future issues of any hot tub. Most hot tubs run, 24 hours 7 days week fixtures, non-stop for 6 to 8 years with no service call issues. Commonly work with customers, who is homeowner insurance or home warranty company may reimburse the customer for our service. That professional detailed copy of the receipt is given at the beginning of the service call and at the end of the service call. Parts and labor are easily understood by customer and potential reimbursement by their warranty company or insurance. Sometimes our service tech calls them during the service call, customers getting the direct fast number in advance from the company is usually fast. We stock most parts for all brands of hot tubs on the van at all times most issues are taken care of on the first visit. On occasion, we will have to special order parts... No fun but it is what it is...No person in this country works for free or at discounted prices."

Rich L.
Nov 2021
0.5
Hot Tub or Spa Repair or Service
Unprofessional on dress code and manners. unusual business practice on requesting loge amount of money before the service are render
Response from A-1 Hot Tub Guy
"It is our standard daily company policy to provide you with our work order listing the work. Requiring your signature and the parts and labor must be paid in advance at the front door or outside anywhere. or kitchen table or it will not be provided or performed. That policy has never changed in over 20 years, since day 1, we have been in business and follow Federal and State law, very simple. Dress code ? Nobody is running around here in a three-piece suit fixing hot tubs, although it never hurts for you to ask, I guess."

Tony N.
Nov 2021
0.5
Hot Tub or Spa Repair or Service
Set an appointment and ask for $400 cash upon arrival, which would include the trip fee plus the first hour of service. On appointment day he called to let me know he was 20 minutes away. 1.5 hours later, still had not arrived, did not answer the phone. Finally called me, said he was minutes away and again communicated that I needed to give him $400 cash. I waited and waited called a dozen times, never picked up. He wasted 3 hours of my day from work and still has yet to call back. I would not trust this guy. look up online reviews and you will see similar stories. Fortunately, I never had the opportunity to give him money! Run far away from A-1!
Response from A-1 Hot Tub Guy
"You are not in our system to schedule anything. nor have you ever been. Perhaps you accidentally almost hired some one else. But it was not us. Obviously you never met the company or person to find out who is wasting your time. I am aware if you fill out on line on Angi requesting an exact date and time on there software it will automatically go through being approved and agreed to by Angi and if you you pay 400 dollars in advance to Angi they will then try and find someone, else for you. A 1 Hot Tub Guy does not use any part of that scheduling software because it would be impossible for any business to actually use it. When you don't pay the 400 to angies and you specifically ask for us, you then get our contact information from them for free. Unfortunately for the last 10 years they have been doing that. All transactions for hot tubs is always between A 1 Hot tub guy and the customers directly, And your first transaction is to us when we arrive at your front door to actually start serving your hot tub. You should never have to pay angi and believe that money transfers to us. It does not. We pay a set fee for each customers information to angi. when we get your information we call, text email in 15 seconds or less, and there a real person from A 1 Hot Tub Guy who knows exactly what there doing. Fixing Hot tubs is very, very specialized work and wanna Bees are trying to schedule a time where your not around, so you don't meet them in the act of them having no clue what there doing, and you don't need to be experienced at fixing hot tubs to know that you have the wrong one, but don't take that anger and mistrust out at us, when you actually finally found us, and we provide honest for honest pay very simple also."

Coletta E.
Nov 2021
0.5
Hot Tub or Spa Repair or Service
$400
Review: I am ashamed to say my husband and I were scammed by this person. He took our $400 up front and then cut wires inside our hot tub thereby sabotaging it. He told us we needed to pay him another $2175 for further repairs and would only take cash or a cashiers check. He is a disgrace to the industry and a disgrace to himself. I am contacting the Ohio Attorney Generals office to file a formal complaint. I encourage others who have been scammed to do the same so this person can be brought to justice. He is a thief and a con man.

Coletta E.
Nov 2021
0.5
Hot Tub or Spa Repair or Service
I am ashamed to say my husband and I were scammed by this person. He took our $400 up front and then cut wires inside our hot tub thereby sabotaging it. He told us we needed to pay him another $2175 for further repairs and would only take cash or a cashiers check. He is a disgrace to the industry and a disgrace to himself. I am contacting the Ohio Attorney Generals office to file a formal complaint. I encourage others who have been scammed to do the same so this person can be brought to justice. He is a thief and a con man.
Response from A-1 Hot Tub Guy
"You hired us to give you an initial assessment of your hot tub. you agreed to it, and you paid for it And we provided the service. It took us a minimum of 1 hour or less and cost you 400 for the assessment/estimate only. Paying Us 400.00 to assess your tub is not a magic wand that makes any part of your hot tub new again or has any warranty and is non refundable. We have never serviced your Hot tub in past and do not offer service contracts to cover past present or future issues of all customer hot tubs. And that includes yours. The parts and labor to actually fix it is what it is, and your choice to fix it or not. But now you know what it will cost to fix it. Let me address your fears with the facts. All electrical issues and plumbing for all brands of all hot tubs works the same and malfunction the same but each normally fails according to the amount of time each part runs a few parts run 24/7 and will fail at the 6 or 8 year time, pretty impressive no appliance or car is that reliable.. New hot tubs commonly run 24/7 nonstop for 6 to 8 years or longer sometimes 20 years plastic plumbing similar to the white pvc in your home can easily go longer and when it freezes with ice from an oops its usually breaks at at a few fittings and is a minor repair which lasts as same amount of time as all the glued fittings in the tub. the amount of leaks is unknown until the pumps and motors are running at full speed. the remaining electric pumps and motors sometimes 2 or 3 only run when you turn them on, and can commonly last 2 to 3 times longer than the 6 to 8 year mark. To accurately diagnose which part or parts are bad the wire to each part is cut and tested individually to run on it's own, self proving it runs a minute or two to prove itself to be a happy part or not. Splicing and hooking any wires back up would cause more damage to the parts that are good ! After initial assessment is done usually in the first hour or less time, customer can relax a little bit and decide what to do. We keep copies of our work orders handily for 2 years. Usually hot tubs don't accumulate additional issues, when you hire someone who knows exactly what there doing and provides honest work for honest pay to finish it at the customers time of convenience. Update Your Comments to This Review."

Ray B.
Nov 2021
0.5
Hot Tub or Spa Repair or Service
$400
The appointment was supposed to 2 pm was told he would call an hour before. No call showed up after 3 pm. He only accepts cash. I explained the problems with the hot tub. He proceeds to cut all the wiring to all 4 pumps even though 2 pumps were brand new. He never fixed any of the leaks that I wanted to be fixed. He gave me an estimate of $3200 to fix the hot tub. $400 for him to cut wires... ABSOLUTELY RIDICULOUS. Stay away!
Response from A-1 Hot Tub Guy
"You hired us to give you an initial assessment of your hot tub. you agreed to it, and you paid for it And we provided the service. It took us a minimum of 1 hour or less and cost you 400 for the assessment/estimate only. Paying Us 400.00 to assess your tub is not a magic wand that makes any part of your hot tub new again or has any warranty. We have never serviced your Hot tub in past and do not offer service contracts to cover past present or future issues of all customer hot tubs. And that includes yours. The parts and labor to actually fix it is what it is, and your choice to fix it or not. But now you know what it will cost to fix it. Let me address your fears with the facts. All electrical issues and plumbing for all brands of all hot tubs works the same and malfunction the same but each normally fails according to the amount of time each part runs a few parts run 24/7 and will fail at the 6 or 8 year time, pretty impressive no appliance or car is that reliable. New hot tubs commonly run 24/7 nonstop for 6 to 8 years or longer sometimes 20 years plastic plumbing similar to the white PVC in your home can easily go longer and when it freezes with ice from an oops its usually breaks at a few fittings and is a minor repair which lasts the as same amount of time as all the glued fittings in the tub. the amount of leaks is unknown until the pumps and motors are running at full speed. the remaining electric pumps and motors sometimes 2 or 3 only run when you turn them on, and can commonly last 2 to 3 times longer than the 6 to 8 year mark. To accurately diagnose which part or parts are bad the wire to each part is cut and tested individually to run on it is own, self-proving it runs a minute or two to prove itself to be a happy part or not. Splicing and hooking any wires back up would cause more damage to the parts that are good! After the initial assessment is done usually in the first hour or less time, the customer can relax a little bit and decide what to do. We keep copies of our work orders handily for 2 years, Not unusual for kids to need braces, the hot tub will wait, and it will be fine. . Usually hot tubs don't accumulate additional issues by just existing. When you hire someone who knows exactly what there doing and provides honest work for honest pay to finish it at the customers time of convenience. Update We follow Federal and State laws... very simple. Update Your Comments to This Review"
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Showing 1-25 of 242

Licensing

State Contractor License Requirements

All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our Find Licensing Requirements page.

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FAQ

A-1 Hot Tub Guy is currently rated 3.0 overall out of 5.

Monday: Open All Day Tuesday: Open All Day Wednesday: Open All Day Thursday: Open All Day Friday: Open All Day Saturday: Open All Day Sunday: Open All Day

No, A-1 Hot Tub Guy does not offer free project estimates.

No, A-1 Hot Tub Guy does not offer eco-friendly accreditations.

No, A-1 Hot Tub Guy does not offer a senior discount.

Yes, A-1 Hot Tub Guy offers emergency services.

Yes, A-1 Hot Tub Guy offers warranties.