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BUSINESS REVIEWS

Dilmak Services

15302 East Loop 1604 South, San Antonio, TX, 78223, United States

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About Dilmak Services

Dilmak Services, nestled in the heart of San Antonio, has garnered high praise for its exceptional air conditioning and heating solutions. Customers rave about their professional, punctual, and value-driven services, highlighting the team's attentiveness and politeness. With a reputation for thorough work, from detailed inspections to clean and efficient installations, Dilmak stands out for its commitment to quality and responsiveness. Their technicians are not only skilled in their craft but also excel in customer service, ensuring that every interaction is as comfortable as the climates they help maintain. Whether it's a late-night emergency call or a routine check-up, Dilmak Services is highly recommended for anyone seeking reliable and professional HVAC services.


Customer reviews

Showing 1–50 of 571 published reviews.

Google

Derek checked my AC unit for the cause of high humidity levels throughout my home. The condensate drain line was clogged which caused the high humidity. He cleared the clog and removed the drain line where it drained into a bathroom sink. He then cleaned out all those components and reassembled the under the sink drain assembly. He then provided a quote for installing an inline condensate overflow safety float switch to prevent reoccurrence. Thanks Derek.

Thomas WeaverSep 21, 2026
Google

I have been with Dilmak since I bought my home. From routine maintenance to parts replacement. Last week my unit kicked the bucket which I knew was coming due to the age of the unit, and issues I started having. Sandi was wonderful explaining my options and walking me through the estimate. The finance piece was a breeze. My unit went out on Thursday and Derek (the technician) was at my house Saturday morning. Derek is thorough and informative. The installation only took 5 hours- record time. He and his tech. went above and beyond. Derek is hands down my favorite tech. I cannot say enough about Dilmak as a company and all of the tech's I have worked with over the years. I give them 10 STARS!!!! Here's to many more years!!

Melanie MilnesSep 02, 2026
Google

My issue was fixed pretty much immediately. The technician was amazing and courteous. All in all a great company I will continue to work with

Sarah ??Sep 02, 2026
Google

Ruben Voloson was great! Friendly and efficient. Was very transparent about the multiple solutions for our particular problem. Would highly recommend Dilmak to friends and family.

Aaron PendletonAug 21, 2026
Google

Jennifer FosterAug 16, 2026
Google

Fit me in, repaired brilliantly, wonderful tech.

Tracy MoczygembaAug 12, 2026
Google

Quality service! Great professionals. Timely and helpful. Rueben and Brandon and Derrick in the last two days have all be spectacular!! Helpful, understanding, professional, absolutely knows their business!!

Kim CombsAug 11, 2026
Google

Dilmak did an excellent job with my gas repair. They responded quickly with a bid and setting appointment for repair. They were courteous and diligent during the repair and helpful in providing the information that I needed after the repair. Would recommend this company

Mary KramerAug 04, 2026
Google

Jonathan KorczykJul 30, 2026
Google

Highly recommend Dilmak for HVAC needs. I use them for general AC service, but also had them install new ducts. The work was excellent and the price was amazing

Christopher GlassJul 24, 2026
Google

Service has been prompt and professional.. I had a late Saturday emergency. The technician came out. He was professional and knowledgeable. The problem was corrected quickly.

Walter DavisJul 24, 2026
Google

Dilmak did an excellent job with my gas repair. They responded quickly with a bid and setting appointment for repair. They were courteous and diligent during the repair and helpful in providing the information that I needed after the repair. Would recommend this company

Mary KramerJul 22, 2026
Google

We were very pleased with the service. Service was professional, on time and thorough. Technicians were very courteous and knowledgeable.,

Teresa JungJul 15, 2026
Google

Derek, Israel, and Ruben have all been super helpful. They are all very knowledgeable and great at explaining the technical stuff. Very happy with the excellent service provided

Susan BarclayJul 10, 2026
Google

James did a great job checking out our AC system, doing a thorough inspection, making sure it was prepared for the hot summer. He let he know about a couple of things I needed to do to keep my system working great all summer.

DeAnna StansberryJun 21, 2026
Google

Excellent customer service! I called with questions and the representative who assisted me was incredibly helpful, friendly, and professional. She took her time to answer everything and made me feel like a valued customer. Based on this experience alone, I would definitely consider using this company in the future. Highly recommended! 😊

Vianey TorresJun 15, 2026
Google

Amazing, fast 24/7 great job yall 🙌

Rachel MartinezJun 15, 2026
Google

Friendly and respectful.. Affordable price and great service. Special thanks to Codi H.

Liv EzekielJun 05, 2026
Google

They do a great job at a fair price.

Marty GauppJun 05, 2026
Google

Updated review may 2026: We've been using Dilmak for the seasonal inspections and this week needed a tech to check our system after the outdoor unit froze. Ruben took the time to properly diagnose the issue and provided a very reasonable estimate for the repair. We continue to be very happy with the service provided by each Dilmak service rep. Original Review: We called on a Sunday morning after our A/C stopped cooling the night before. The tech Enrique was out a few hours later and did a thorough inspection of both the outdoor and indoor units. He filled up our Freon which was very low and made some recommendations for our next steps for repair. He was knowledgeable and not pushy about Dilmak's available services. We appreciate the quick response and temporary fix that will carry us through until we can schedule a full repair. We highly recommend Dilmak if you have any emergency cooling issue!

Shannon De La CerdaJun 03, 2026
Google

Updated review may 2026: We've been using Dilmak for the seasonal inspections and this week needed a tech to check our system after the outdoor unit froze. Ruben took the time to properly diagnose the issue and provided a very reasonable estimate for the repair. We continue to be very happy with the service provided by each Dilmak service rep. Original Review: We called on a Sunday morning after our A/C stopped cooling the night before. The tech Enrique was out a few hours later and did a thorough inspection of both the outdoor and indoor units. He filled up our Freon which was very low and made some recommendations for our next steps for repair. He was knowledgeable and not pushy about Dilmak's available services. We appreciate the quick response and temporary fix that will carry us through until we can schedule a full repair. We highly recommend Dilmak if you have any emergency cooling issue!

Shannon De La CerdaMay 23, 2026
Google

We were very pleased with the service. Service was professional, on time and thorough. Technicians were very courteous and knowledgeable.,

Teresa JungMay 12, 2026
Google

John KelleyMay 10, 2026
Google

I trust and love this company.

Kathy SumpMay 05, 2026
Google

Dilmak has been great helping get my unit running after a poor installation job from another company. Its so hard to fix others mistakes. I would never have a unit repaired or installed by anyone else in the future. Thanks Dilmak.

Tim HoyleMay 03, 2026
Google

Called late at night about the AC not cooling. They said they would call in the morning and see if they could come to check the unit. As soon as a technician was available he came and checked the unit and told me of the repairs needed and was very timely in fixing the unit. Would recommend them highly.

Norma CziglerApr 26, 2026
Google

Derek and helper were great. Like always. Love y’all.

Nancy TenchApr 23, 2026
Google

Ruben did a thorough evaluation of our new ac system. Very informative when asked questions

william g McGheeApr 10, 2026
Google

Anthony BielaApr 06, 2026
Google

Office personnel very helpful, cordial and diligent. The technician Dereck is just excellent, very meticulous, respectful and above all he always does a thorough inspection. Very happy with the their services this whole year.

Yolanda RodriguezApr 04, 2026
Google

Great work! Great pricing! Codi did an awesome job!!

Mario B MartinezApr 03, 2026
Google

They were nice and very professional. Got things done quick. Very satisfied

Teresa GreenApr 02, 2026
Google

Brian CooleyApr 01, 2026
Google

Our technician was great! Prompt, knowledgeable, and courteous. Found and issue and fixed it promptly. I also can’t say enough about Dilmak’s office as well. Ashley has been great!

Kelly JacksonMar 29, 2026
Google

Prompt, friendly, competent

Mary ParksMar 28, 2026
Google

Very satisfied with all the good work done and also thankful for having great technicians.

brigido herreraMar 23, 2026
Google

Dilmak takes good care of me and my ac!

Kevin WalkupMar 23, 2026
Google

Technician (Joseph) replaced the rusted/failed breaker inside the furnace located in the attic and secured existing insulation on the outside that was the cause of the problem.

Kamal ElhabrMar 18, 2026
Google

Oscar and Codi were very professional and polite they went above and beyond so I can be satisfied

Rudy JimenezMar 18, 2026
Google

Service was good but cost for renewal was too high. Overall experience was great and Derek is very polite and knowledgeable.

Gloria CMar 09, 2026
Google

I trust Dilmak completely to always be there for my residential needs, Codi goes the extra mile to not only communicate what he’s doing but he also educates me in the process. Codi and Dilmak’s other techs always respect my home and property and I’ll continue to do business them.

C Patrick GallagherMar 05, 2026
Google

Very knowledgeable, courteous and professional.

Steve BellFeb 24, 2026
Google

We have used Dilmak on several occasions for plumbing, HVAC and Attic repairs. And, we have always been 100 satisfied with service and the hard working professionals they have sent out. We will be as dedicated a customer to them as they have been to us.

MaryAnn JohnsonFeb 20, 2026
Google

Great short notice AC service. Friendly, professional techs.

Steven WheelerFeb 18, 2026
Google

From the moment I call the company and got a real person on the other end of the line. They were completely helpful and scheduled me same day without any extra charge. When the technician Joseph showed up he was extremely knowledgeable and fixed my system with in minutes. Instead of just over changing he went around and cleaned my system and found another issue fixed it no extra charge. I will be recommending this company to everyone.

Scott WagnerFeb 17, 2026
Google

The technician, Joseph Munos, does outstanding work. He was very thorough in his maintenance work and explained everything that he was doing. He even took photos to help explain the areas of concern. We were extremely pleased with his pleasant manner, and high expertise of his job!

Vangie ReyesFeb 05, 2026
Google

Very efficient, courteous and professional in completing job. Did a great job. Mr Derek Smolka is the best.

Chris HosekJan 25, 2026
Google

Professional and did a fantastic job with the install of our HVAC unit. Prices are fair as well.

T.J. LarsenJan 23, 2026
Google

Friendly and professional. Top notch customer service with attention to detail even going above and beyond.

Rose RoqueJan 19, 2026
Google

John OstranderJan 12, 2026

Frequently asked questions

How knowledgeable and professional are Dilmak Services' technicians?

Dilmak technicians are described as very knowledgeable, professional, courteous, and thorough, often explaining issues and solutions clearly to customers.

How does Dilmak Services handle scheduling and response times?

Dilmak is noted for prompt responses, often providing same-day or next-day service appointments, with good communication and timely arrivals.

What can customers expect regarding honesty and recommendations from Dilmak Services?

Customers report that Dilmak provides honest assessments without pressure to upsell, offering reasonable recommendations and focusing on necessary repairs or maintenance.