Honest and meticulous.  They quoted me a competitive price for work that they expected to complete…read morewithin a few days.  The time to finish the job increased, but the price did not.  It's clear that they are *very* careful and detail-oriented during installation.  Fedor and the rest of the team also make everything before the work very easy; figuring out what you want, advising what to do, and communicating about scheduling/logistics.  Very happy overall, would recommend them without hesitation.  My wife and I have already used them twice: adding a central heat pump and later augmenting it, in select rooms, with mini splits.

I highly recommend NUR HVAC to install or replace your old system. We had our 2 HVAC systems…read morereplaced with heat pump systems. Since we have solar installed on our roof, we opted for the Carrier heat pumps and new air handlers which don't use natural gas for heat. Their installers were always on time and cleaned up after each day of work. They arranged for the permit and scheduled final inspection. A very nice job and respectful staff!!

Years ago the apartment complex I lived at contracted Calvey to install mini-split A/C in the…read moreapartment I was in. The install was amazing quality! So much so that it gave me the confidence to buy my first home without A/C because I knew I could just call Calvey. A few years later I did just that. Damn, it's been a couple of months now and I've been able to control the climate of my entire house from my phone, optimizing the temperature and sometimes making it as low as 66F to just enjoy the air being crisp. The install has been fantastic quality and the crew listened to everything I wanted every step of the way. They mounted rat spikes where I wanted, they put the lines and the units exactly where I asked and I've had no issues at all. I truly believe with home price comparisons in my area that I made money off of the install because it increased my home value. My golden retriever is happy, I am 100% happy and I will see you guys again next home upgrade. :)

Just ok. They…read moreserviced our commercial building for 5 - 6 years. Nice people, responsive - but I feel they lack in quality of work and knowledgeable experienced technicians. Three years ago we found a different company that was able to address an ongoing problem that Calvey was not able to fix in over 4 years time and after spending much money over it. Since our move away from Calvey, we keep finding errors in their work and workmanship.

Therma Tech installed our air conditioner, heater & water heater in June. The company utilized an…read moreoutside vendor for securing city permits and governmental energy abatements as well as coordinating for inspections post installation. They did an excellent job. Therma Tech installation team leader and members completed the job right on schedule. They were on time, courteous, patient in answering our questions, and kept the work area clean. The team leader and home office kept us informed of the process and the next steps thru out the whole time. We feel the costs we paid for the job were competitive. We would recommend Therma Tech to our friends and neighbors w/o hesitation.

I had an excellent experience with Henry from ThermaTech. My HVAC system stopped working properly…read moreafter another company had spent about two hours diagnosing it and quoted me more than $3,000 for a new control board, contactor, transformer, surge protector, and maintenance plan. Henry arrived, clearly explained each step of his diagnostic process, and quickly identified that the transformer and contactor were the actual issues. He completed the repair in about an hour and charged me $540 total, saving me roughly $2,500 compared with the previous quote. What impressed me most was Henry's honesty, expertise, and transparency. He did not try to upsell me or replace parts that were not needed. He took the time to explain what had failed, why the system was not powering on, and what he was doing to fix it. It is rare to find an HVAC company that combines strong technical knowledge with fair pricing and integrity. I would absolutely recommend ThermaTech to anyone looking for an honest and skilled HVAC professional.

I had a great experience with Restart HVAC company. After interviewing 5 AC companies, I decided to…read moreuse their services. The installation was completed July 2026 in San Jose property. They installed my new heat pump system professionally and completed the work on time. The installation was clean, and the team was knowledgeable, courteous, and took the time to answer all of my questions. The system is working great. I appreciate their attention to detail and quality workmanship. I would definitely recommend this company to anyone looking for a reliable HVAC contractor. Thank you for the excellent service!

I had Restart HVAC come in for a maintenance visit covering both A/C and furnace, and the overall…read moreexperience was outstanding. Communication with Ardana was smooth and seamless. The technician, Georgy, was excellent -- knowledgeable and patient. During the visit, he walked me through the different components of the AC and furnace, explaining what each part does and how it works. I also appreciated his honest assessment, free of unnecessary upsells.

David repaired our A/C unit a couple times (once was a "turn it off and back on situation ) and…read morethen after the unit had given us 25 years of service, he replaced it for us. When the AC unit in our daughter's house started leaking, she called a company she saw in commercials. Their quote was astronomical and i could tell there was som BS going on. We called David to come take a look. Of course there was an out of season heat wave and he was very busy but was able to come out in just a couple days. He was able to repair the system rather than replace it and for a fraction of what the other company wanted. He even was bantering with the grandkid while working. He is a life saver. Prompt, professional, knowledgeable and not trying to sell you something you don't need. Thank you David!!!

David Burnett runs his business with integrity and offers a reliable, dependable and high quality…read moreservice. He upgraded my house with a 90 percent efficiency system in my house, including the duct work and two ductless units in my downstairs units. His work and service are superb. I trust his work and expertise. If you are looking for a person who is honest in his work and reliable. He is your guy.

My A/C went out today, so I opened a Yelp project to solicit for service. Sal, the owner of…read moreCostLess, immediately contacted me. He was very friendly on the phone and asked me key questions to help diagnose my issue. Since he was in the area, it only took him 10 mins to arrive. Once Sal arrived, he immediately confirmed the issue (blown capacitor), replaced it and the A/C was back in action. Sal was very friendly and professional the whole time and his price was very competitive! He also gave me helpful tips to prolong the life of my unit. Fantastic work by Sal! From opening up the Yelp project to CostLess fixing my A/C....less than 1 hour! Simply amazing! I strongly recommend CostLess for any of your HVAC needs!

I had an excellent experience with Sal. He was extremely responsive and was able to fit me into his…read moreschedule right away. He quickly diagnosed the problem with my air-conditioning system and repaired it during the same visit. Sal was professional, knowledgeable, efficient, and clearly takes pride in his work. It was a huge relief to have the AC working again so quickly. I would absolutely call him again and highly recommend him to anyone needing air-conditioning service or repair.

I requested a review of my existing Hvac heatpump system. Miguel sent me an email 30 minutes before…read morearrival so I could be prepared. Miguel was very professional and explained what he was going to do then promptly began the work. The inspection was thorough and Miguel presented me with pictures of all the potential issues. As we reviewed the pictures we discussed remedies and time frames to consider for mitigation. I received 3 plans of attack and the associated costs. There was pressure to select one immediately so I have adequate time for evaluation. Added touch was Miguel even asked to sweep my floors so that he left it cleaner than it was when he arrived.

Great job by Manuel. Diagnosed and explained the problem clearly and Fixed the AC quickly .read more

Gabriel was communicative, arrived on time and diagnosed the issue quickly. I needed the capacitor…read moreto be replaced. My A/C is blasting cold air again, ready for the next heat wave.

Thank you, Gabriel, for completing my annual inspection on my heating system!…read more He took his time to clean my system and I appreciated his thoroughness and kindness, and taking the time to explain to me how to best care for my HVAC system. He also changed my air filter and changed my thermostat batteries :) I love that my home warranty company American Home Shield offers included tune up/inspections as being part of a member with the home warranty program. It has helped me save money and ensure that my system is working efficiently and properly. Luckily, Gabriel has been able to come to my home for the last few years so he already knows what to look for and I appreciate the timeliness of the inspection before the weather gets colder! Thank you!! Gracias, Gabriel!