Semper Fi was amazing. They came out on time and were responsive. I'd highly recommend and plan on using them again.

bought a new AC less than 3 yrs ago. 1 1/2 yrs later cooling intermittently, had to replace parts.2 1/2 yrs now not cooling. tech tried to tell me it's because my ducts were dirty. rechecked and found Bad board. Had to wait a week for board. Different tech puts in board and says another part is bad also. First tech did catch it. no one calls me on the part or an update. I have to call every couple days. Part doesn't come in. after a week the part comes in but no one called me. Says someone will call me to schedule. 2 nd day no one calls. . I call again and tell them . I've been waiting for this part for nine days now. Finally someone calls me and tells me I have to wait another week for them to be available to come out and put the part in. I tell them I've already taken a day off work and I can't take another day off and all she can say is well the best we can do. They have poor communication, you leave messages and nobody calls you and every time you call is, how can I make you smile today which is a joke should not have this many issues on a new HVAC. My old one lasted 23 years and never went down on me. frustrated read more

Had a new ac unit installed and it never worked, they had to come out to my house 7 times and finally refused to come back out. I eventually had to hire another company to come out and they took 15 minutes to tell me that one of the parts on the brand new unit was bad and had it up and running in under an hour. They had the absolute worst install techs and customer service I have ever seen. I will never trust this company again. read more

Update: We had an install manager out today who was very helpful. It does look like the roofing issue may have been due time and weather, looking at before install and after install pictures. I still believe it would be helpful to have a roofing person on staff to approve large roof installs to avoid issues like this, but that is just my two cents. Ultimately, the manager was very helpful and is offering some vent and duct cleaning and adjustments to help offset the costs of our roof issues. We are very pleased that management listened to us and worked with us to make the issue right. Still deducting 1 start for how it was originally handled and somewhat pushy sales, otherwise we are content. Original: I am so bummed to be writing this review, but buckle up, here we go. 1st and foremost, go through the 1 start reviews when choosing this company. In 2022 we had a new AC installed on our roof at the cost of over $12,000. Fast forward to two weeks ago, during the heavy rains we had in the valley water was pouring behind our wall and out an outlet. When we went to explore what was going on, we discovered that the wood under our AC is severely water damaged and you can see daylight coming through where the AC is installed. We only discovered the issue, because of the heavy rains we experienced. We have had two people come out from Semper Fi, both technicians, both fairly dismissive. The second guy also let us know that apparently there are issues with our ductwork and venting and that would need to be fixed at the cost of $3600 or Semper Fi would potentially void our warranty on our AC. Semper Fi has stated repeatedly that the roofing issue was a PREEXISTING issue, one that was never disclosed to us prior to the installation. We would have NEVER installed on a damaged roof or with damaged hardware. Same thing with this ductwork, it was never disclosed to us at the time of installation. At this point we feel it was not disclosed to push a fast sale! We have had both an insurance adjuster and a roofer come out who both confirm the issue is due to faulty installation. So, we are sitting here with thousands of dollars of damage and instead of sending out someone who has the capacity (management or higher) to actually make it right, they try to get us to pay $3600 for more work that was never disclosed to us. We are a veteran Marine family who chose this company based on what we thought would be ethical conduct and integrity in business dealings. That has not been the case and we are severely disappointed. read more

The entire team was very professional & courteous. And, although unusually busy with other customers the day of installation, we're determined to get our new a/c unit installed. I would most definitely, recommend Semper Fi Heating & Cooling. read more

Don't trust these people. Absolute joke. Had a free consult after them messaging me for years. Made it clear that I was NOT interested in new units at this time. Quoted me 63k for 2 units and insulation. An absolute joke. Also, when will sales people realize that it's a red flag when they say, "I'm honest, I'm not like the other guys." Lol read more

We had a very frustrating experience with Semper Fi Heating & Cooling. They came out to diagnose our AC and ultimately sold us on a full system replacement for over $11,000. After installation, the system is still not working properly, and despite multiple attempts to contact them, we have not received timely follow-up service to resolve the issue. Living in Arizona, a functioning AC system is not optional, and being left without proper cooling after spending that kind of money is unacceptable. What's most disappointing is not just the initial issue, but the lack of responsiveness afterward. When you invest in a major system like this, you expect reliable support if something isn't right. At this point, we are still waiting for the problem to be corrected. read more

NEVER AGAIN--would I use Semper Fe heating and cooling. Management is absolutely ruthless and duplicitous. I would not pay balance till my project was done. Their worker was instructed to remove the power relay in the newly installed A/C unit (thereby no A/C to my home) since I would not zero balance my account with them. This created a health risk from the excess heat in my home. Paid off the balance when other aspects of project were completed and they returned to me the handle to the power box. Multiple days later my system was restored! Probably paid more than other companies for this work. read more

Great company that I would recommend to any one!!!!..The Professionalism, knowledge and skill of the Sales person, Office Staff and installers of our new HVAC system are great!!!.. read more

I had a regular maintenance check done 6/25/26. To start with, Tech left my air at 62 after leaving my house about 6:45pm. It ran all night. I have no trust left with this company, every time I get a different tech who try's to upsell me & tells me the part they are trying to get me to buy will only last another 6months or so. There is no prep for the encounter on their part, I had the part he recommended to be replaced soon replaced the last maintenance visit. When I told the tech this, he said it's really b/c another part was needed. I will never use them again, if I can't trust a company, there is no reason to use them read more

In my opinion, Semper Fi is a TOTAL SCAM!!! They say they offer a FREE AC Tuneup. When they get to your house, it is a NON-STOP up sell for a new AC unit. There is NO tuneup and it was one of the WORST experiences I have ever had with an AC company. I finally had to kick the tech, Shawn, off my property for continuing to argue with me about my AC unit and the lack of an AC tuneup. While some people MAY of had a positive experience with this company, I am NOT one of them. Total manipulation!! By the way, I texted the company about my experience, and surprise surprise, NO RESPONSE......... read more

$1300 for a warranty swap after a 20% discount? Water heater less than 3 years old! Never again with this company. We will be replacing our HVAC with someone else! Your loss and you can bet I will spread the word in our community! Also asked for a detailed bill got just the amount we paid! Terrible! read more

The technician came, assessed the unit and diagnosed it as a motor fan replacement. He took the initial payment to order the part and we never heard back from him or Semper Fi. We called and texted for an eta and received nothing. After 8 days we called another company and they came out to look at the system. Turns out is was a capacitor only and the semper Fi technician was trying to upsell. Very disappointed. Trying to get our deposit back now. When I called they informed me that the part was ready as of yesterday but didn't communicate that with me in any way. read more

Be very wary of this company. Came out to offer a free inspection, ran down numbers and explained thoroughly why they wanted close to $25,000.00 for 2 units. Had another ac company come out and determined that freon had leaked out due to a loose valve. Feel as if Semper Fi had my unit stop working in order to earn my business. The sales rep or tech also called back a few days later and was very aggressive in his sales tactics. I am a veteran and am very disappointed in their business model. Heads up to anyone in need of an AC unite replacement but unless something changed recently there are much better companies in the valley that operate with integrity. read more

I honestly wish I could leave a Zero star or even negative stars for this business of scam artists!!! We had one a/c unit go out and called them to come out because it was about 8pm. The technician came named Jason, who did all the checking up in the attic and on the unit. Told me he had bad news, our unit was 12 years old and the part we need will take a month and half to come in, because you know, it's such an old unit. That part was priced around $6000. But he could also jimmy rig our system for now that would cost around $1400 but we had to sign a waiver because doing this could break other things on the unit. Jason recommended that replacement was the best option because they could squeeze us in Monday and they would give us portable units to get us through the weekend. Price tag of $22,000!!! BUT then we are looking at the other unit burning out so replacing both would be ideal with a price tag of $34,000. We said we needed to think about it, his tune sure changed and he started pulling discounts out of thin air, even an employee discount mind you!!! After we stated again we would need a second opinion, he got really upset and said I can see you don't trust me.....I mean you are a perfect stranger in our home that we met an hour ago, so why wouldn't we trust you. We said no, he left. We have an ac guy that tunes our units up twice a year and just did it in May, but he had been out of town. He came over the next day and found what was wrong. He replaced the part for $45!!!!! But along the way, he said he was trying to figure out what this tech did because something was off. Well after two hours of investigating he found that our outside unit had been tampered with and wiring in the attic was also sabotaged by Jason. This is something we regular non HVAC people wouldn't know and wouldn't be able to figure out. Do the math of $34,000 compared to $45 and I think you will chose wisely before you call these guys. Whats really sad is that they pride themselves on honoring our veterans....what better way to do that than to scam every customer out of THOUSANDS of dollars!!! I hope this reaches someone who is not in the market to be scammed either, do NOT use this company!!! read more

A new Company after our old company sold out to folks from Utah...They failed real fast. today we had 2 great Vets take care of our plumbing plan and one repair. Excellent guys and service. read more

I purchased a new AC unit from Semper Fi last July and yesterday, it started blowing semi-cold air, would not shut off and the indoor temp rose to 79 degrees. I did not think I'd be able to get someone out until Monday; but they really came through. Julian was here in a little over an hour and within minutes, the unit was running great. Not sure what the issue was; but he gave me his phone number to call if I had any problems. You could tell that he is a hard worker and very conscientious. I would highly recommend Semper Fi Heating and Cooling! read more

Zamir arrived on time, was very efficient & professional & still personable. He answered all my questions and offered info on some of their other services. I did not feel pressured & appreciated his taking the time to inform me of services that would help my unit last longer in this AZ climate. read more

had a brand new AC unit put in in 2023 anytime the thermostat adjusts the AC stops had the technicians out and They can't find anything wrong. I have had the yearly maintenance done on the AC unit told the tech that anytime I adjust the AC thermostat the unit stops working, we shut off the unit for 3-4 hours then turn it back on, here we are May 2026 the same issue the air conditioner stoped working, it sounds like it's on but no cold air; 81 degrees in the house. The AC unit is so unreliable we have put portable air conditioners in every single bedroom in our house. They are sending a technician out on Tuesday, May 12 so maybe I will have a better review. read more

Requested a AC service through Yelp and Semper Fi Heating & Cooling was one of the companies that got back to me. They made a great offer for an AC service, asked many questions, which I all answered, and when it came to scheduling the service, I was told that they could service the AC in January 2026, which was three months later at the time. Why would this not get shared immediately? Waste of time. No idea how the work would have been. Never made it to it. read more

There were promises made that weren't delivered on, and the overall quality of my equipment is not what I expected. We replaced a 25+ year old Trane system with York equipment at the suggestion of Semper Fi. They took my old Thermostats off and put in another brand. I had a great Honeywell wifi thermostat and it was easy to use and reliable. They replaced it with horrible Ecobee brand (don't buy!!). We're still struggling trying to figure those out. Also, the York is twice as loud through the wall as the Trane, and our cooling bill is dramatically higher. (Yes, it was a hotter May than last year, but not this same % of increase). They were supposed to balance the airflow in some of our bedrooms and they remain hot. While lots of promises have been made, it didn't work out the way that we were hoping. We paid Trane prices for York equipment and a song and dance . . . They promised an extended warranty that never arrived. Sadly, I'm wishing we had gone another route and I encourage you to look carefully at your suppliers and your preferred brands before using these guys, or buy from them when they aren't so busy that they can't deliver on what you need. read more

My technician was friendly and answered all my questions. Josh was very good. Once again Semper Fi..

Had a rough go of it at first with difficulty getting the technicians here within the window provided. It is never about how great a company is when things are perfect it's about execution when things don't go as planned. Absolutely fantastic experience and will use them yearly for all maintenance and buy a new HVAC when the time comes. Jason installed a new water heater and filtration system and I could not be happier. Excellent work and great full for their professionalism. read more

Sketchy upsells. Told me I had all these issues and a 2nd opinion stated otherwise. It's a shame companies rely on these tactics. Never gain

They did what initially appeared to be a thorough review of the condo and our needs. We need a larger AC unit and they told us we could fit a much larger unit and quoted that. The price went down 3 times while we were shopping AC companies. Turns out they are only interested in turn and burn sales and do not care about getting it right. Steer clear if you care about quality. read more

Came early. Quick service to replace our leaking water heater. Incredibly overpriced from other quotes but had to get it done today. They do give military discount which was so respectful. read more

We had James P come out today to service our AC Unit. He was very friendly. He explained to us what was wrong with our unit and the options we could do to get our unit fixed. He didn't try and sell us something we didn't need and that showed us he was looking out for us the customer. I would recommend him and Semper Fi to everyone who reads this comment. And Thanks again James for your outstanding service. read more

This is the second time I have done business with Semper Fi and I thought to myself both times has been a professional and pleasant experience that I needed to mention it. I had a new AC unit installed last spring. Everything went smoothly and quickly. The installers were clean, professional, and friendly. This morning I had a plumber out for water heater flushing service. The plumber was on time, clean, professional, and explained the process to me. We had conversation about other things of interest to us both. It was a pleasant experience. Nice way to start the day. I recommend Semper Fi Heating Cooling And Plumbing services. read more

Yesterday morning our gas water heater went out. It was relatively new; about 3 years old and still under warranty. We called the original installation plumbing company but they couldn't get to us for about 3 days. Then I called our preferred private plumber but they too couldn't get to us immediately. The heater was a Bradford White unit so I called them for a recommendation. They gave me the number for Semper Fi, one of their preferred and certified contractors. I called Semper Fi and they were able to give me a same day commitment for service at 3 pm yesterday. Their tech, Eric, called and showed up at 1 pm, 2 hours earlier than committed. He sourced a new replacement heater and was done with the installation by 5 pm. He was fast, courteous, efficient, and competent. I was impressed! Even for this emergency replacement, I thought their pricing for service and labor was fair. Hence the 5 star rating. read more

I have been more than patient with this company. They had 4 opportunities, yes 4, to fix my A/C unit and it still doesn't work properly. They added some bogus gadgets that apparently do nothing. So, over $2000 later, here I am with the same problems. Stay away from Semper Fi, it's a scam! read more

Definitely recommend Sempre Fi. Craig came out and repaired and replaced a blown motor. We had a couple hiccups.However, in the end, everything was done, as was promised. I'm happy read more

We have had nothing but trouble since we trusted Sempre FI. The website promises complete customer satisfaction. I cannot say that has been our experience. Do not fall for the ratings they claim. We have had to have 4 service calls since they installed new AC units this past April. The fourth call revealed that our system was incorrectly installed. The technician found so many mistakes that he could not even believe it. There has been undo stress on these units because of the incompetence of the installation team. I was told that those who installed our units have all been let go. That did not make me feel any better. I have attempted to get a call from the owner to discuss concerns about what was done to our units due to the stress put on them while they were running incorrectly. NO RESPONSE. This has been our experience. There is a very long list to what we have gone through that is not a show of excellence on this company's part. I cannot in good conscience not share this experience. read more