Professional installation of heating and cooling systems, including heat pumps and mini-splits, with thorough setup and follow-up.
Diagnostic and repair services for HVAC issues, such as thermostat problems or unit malfunctions, with efficient solutions.
Expert plumbing repairs, including water heater element replacement and system inspections, performed with cleanliness and honesty.
Comprehensive checks of HVAC and plumbing systems to identify potential issues and provide maintenance recommendations.
Prompt response for urgent heating, cooling, or plumbing problems, with flexible scheduling to restore comfort quickly.
I wish all companies were like Semper Fi. I had them put in 2 heat pacs, and they did an excellent job. Afterwards they checked up on me to see if there were any issues. One unit was having problems with the thermostat and they promptly came out and replaced it. Didn’t fix the problem though, so they came back out and figured out what was going on. Turns out the thermostat was too close to the intake (which wasn’t their problem) but they went the extra mile and relocated it at no charge. Now it’s perfect like the other unit. Awesome company!
I recently had Semper Fi Heated and Cooling service my home system, and I couldn’t be happier with the entire experience. From start to finish, their team was professional, knowledgeable, and incredibly easy to work with. The technician arrived on time, diagnosed the issue quickly, and explained everything in a way that was easy to understand. They were honest about what needed to be fixed and didn’t try to upsell anything unnecessary. The repair was done efficiently, and my system has been running perfectly ever since. What really stood out was their attention to detail and commitment to customer satisfaction. They followed up after the appointment to make sure everything was working smoothly, which I really appreciated. If you’re looking for reliable, high-quality heating and cooling service, I highly recommend Semper Fi. Exceptional service all around!
We came home from vacation to find no hot water. Scheduling an appointment with Semper Fi was easy and quick. The technician, Sam, called to see if he could come earlier than our 3 PM appointment – 3 hours sooner! He arrived on time, asked good questions to diagnose the problem, and determined the lower heating element was bad. He even showed us the good upper element. After removing both, we could clearly see the damage. Although the top one had some life left, we decided to replace both. Sam then inspected the anode rod, advising it had about 12-18 months left and should be replaced in a year. No pushy sales pitch, just honest facts. The area was left clean, and Sam did a great job getting our water heater back up and running. I would highly recommend Semper Fi services. Thank you.
Persistence..... I had an mini split installed in July of 2025. A crew consisting of Jared, Cooper, and Matt did the installation efficiently and with a great degree of friendliness. Unfortunately the unit would not connect to the internet, leaving me with a fully functioning mini split which nonetheless was "dumb". Another crew was subsequently sent but no avail. All in all, Marcel, Shawn, Billy and finally Fernando and Brandon appeared, first replacing the Wi-Fi module then the entire unit, but all to no avail... until Craig Lindsay arrived. Craig analyzed the job, resourceful and cleverly tried unconventional approaches and was ultimately successfully. I now have a fully functional unit which pleases me greatly. Also pleased is my sweetheart who, parenthetically,was aloof to all this because she did not miss one moment of comfort from the date of the initial install to the final date where the connection to the internet was secured. I'm pleased to say that now both of us are happy, and additionally that my interactions throughout with all the personnel, both over the phone and on site, were with pleasant, friendly, and confident people. It took a while, but this appeared to be a special case, and thank goodness for Craig, the job was finally solved. I'm impressed with the persistence, the resolve, the determination, and the relentless drive to make me happy. I believe that Semper Fi stands far above a standard firm in that regard. Frankly, I like being treated special, and I was likely because my problem was unique, but I hope never to experience it again as I am sure you too feel the same. Now, with all that said, if you don't mind I'm going back to the comfort of my TV set....and in the meantime, God Bless all of you.
Semper Fi did a great job. From the initial consult with Josh and the install with Fernando and Brandon. Everything went smoothly. Fernando and Brandon arrived on time, giving me notice they were on their way. They worked a full day on my two HVAC units and got it up and running. Semper Fi schedules a drywall repair to come out and refinish the attic access since they remove the trim to fit the attic equipment and they neatly stack the old unit on the corner of your property for a scrap company to come get. Mine was collected within an hour of the install team leaving. It's a great system they have. Definitely recommend

Reliable HVAC and plumbing services with military-grade precision in Peoria.
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Semper Fi Heating & Cooling LLC is a trusted provider of heating, cooling, and plumbing services in Peoria, AZ, known for exceptional customer care and technical expertise. We specialize in installations, repairs, and maintenance for residential and commercial clients, ensuring comfort and efficiency with every job. Our team of skilled technicians is dedicated to honest, prompt service and going the extra mile to solve unique challenges, backed by a 4.8-star rating from over 1,300 satisfied customers.
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