Manuel rocks! It took him about 10 minutes to figure out what was wrong with my old furnace. As…read moreit was an older furnace, he had to order a replacement part. A week later he returns, right on schedule, and all is good. Just in time for winter. I hope you get Manuel as your technician.

Good and professional service from ASCO. My HVAC system…read morestopped working. Called them and even it was 4th of July, they returned my call and arrange an appointment next day. Very good customer service. Technician Manuel, quite friendly and accessible; he answered my questions, did a very thorough assessment and found issue and fixed right away. He also gave me recommendations for improvement. I recommend their service. Thanks!

I want to thank this company for helping me out when my van broke down and this nice gentleman…read moreoffer to help me jump start my van . When everyone just passed and ignored me he offered to help me out . I appreciate him taking time out of his day to help me out . Please consider hiring this company for anything air conditioning related or heating problems . There workers are very friendly people and generous to leading a helping hand . Thank you for your help . Thank you for your time , patience and support!!

Jeff was personal, polite, and professional when he installed our new AC unit. He also installed a…read morenest thermostat for us and it's been working great now for the past year and a half. Highly recommend this company!

Called the day after 90 plus degrees heat wave on a Thursday at 4:30…read moreWasn't expecting any appointments till next week. They said we will call back to schedule an appointment . Within :40 minutes, the technician found the blown compositor. Replacement parts were on hand and the A/C was back in service. This service price was very reasonable .

Just replaced old furnace, A/C and air ducts. Ron and Team were outstanding!…read moreGot my quote set a date for work. Everything was finished in 3.5 days. The team was professional, punctual, clean and friendly. I would recommend Rianda Air to anyone. Thanks, Mark A Hollister CA

Quick, helpful and went above and beyond. Came out out extra recommendation but more of the lets…read morefix it rather than replace the whole unit like others. Even checked on a gas leak on a diy project when out.

Hector came out to help with replacing the anode rod for my water heater; a job that others refused…read moreto take. It was in a very tight space, in the basement with 4" of vertical clearance, and no wiggle room to the left and right. He was honest, on time, respectful, and cleaned up after himself. Would not hesitate to recommend him to my friends.

Very Knowledgeable...Highly recommended he know what the issue was and solved it right away…read more Definitely will call him next time I need any services regarding HVAC

Rich came through and was prompt, kind, and courteous. He took the time to answer my questions (I'm…read morea new home owner so I'm pretty clueless) and gave some great advice. I will definitely be using them for future servicing and if any issues pop up.

We have spent over $200k with Keller between two house projects. Keller was introduced to us…read morethrough our general contractor, Mehus Construction. I got to know Jason and Matt through the years and found them to be stand-up guys who do high quality work. We had three heat pumps installed in our residence; the install looked good to me but when one of the heat pumps went out two years ago (refrigerant leaked out of rusted coils), I was notified by Residential Air that the heat pump was incorrectly installed. It turns out the coils had rusted (a common occurrence following new construction). Mitsubishi requires at least 10 inches of clearance to access coils on the bottom, they had 1! Oh well so is life, I ended up spending $20k this week to replace the unit and correct the ductwork to allow at least 10 inches of clearance, they were able to get 16 inches to make warranty work even easier. Well, well what did they find inside one of the plenums, a pornographic sketch in a unit between my kid's rooms when they were 4 and 6 when this was installed. I get it, I have been involved in construction for many years and there is construction work banter, but this just sucks. what else is lurking in my ductwork? Does Keller do background checks on their employees?

Our A/C stopped working after PGE kept shutting the power off/on. We were without A/C on the…read morehottest day of the year (local temperature high of 109). I was referred to Keller HVAC and Jason (the owner) got right on it, even though they were swamped with calls he had his technician Matt come out and diagnose/fix the problem. We had AC again the very next morning (we were his first call of the day)!! I highly recommend them! Super professional and responsive!

We had both heaters and air conditioning units replaced in our home. His prices are reasonable. He…read moreis reliable and willing to explain all that is being done. I'm very pleased with the work. If there's any questions, we can call him and he can solve the problem over the phone or be here within a couple of hours. We highly recommend his services.

I recommend American coast 100% Really good costumer…read moreservice and great job they did in my house. Also the best price I could get . Highly recommended!

Dynamic came highly recommended by a neighbor and they were absolutely fantastic. We've had several…read moreissues with our HVAC system not running properly and not cooling our home over the years. This is the fourth HVAC company we have had come out to take a look and they were the only ones to be able to truly figure out the problem. Eli was able to quickly diagnose the issue, Jason was very communicative and friendly and made sure that we got text updates and phone calls for every appointment. We needed a whole new system due to an evaporator coil manufacture defect issue and they gave us several options to choose from in order to accommodate our budget. Chris and Paris came out to install our new system and they worked quickly, were able to get our new air-conditioning unit and evaporator coil installed in less than a day, and they did great work; it has been running amazing ever since. Jason made sure to get us a system that could accommodate the size of our Home as the one that came with the house was too small for the size of our house. I cannot say enough great things about this team, I very highly recommend calling them for your HVAC needs!

I needed someone to figure out why my HVAC System suddenly stopped working. Dynamic air systems…read moreresponded to me after hours, set up an appointment quickly, and arrived at my house when promised. They could not fix the issue, but were able to tell me that I needed an electrician to repair a breaker. This advice led me to a quick solution and the air-conditioning is back on! Thank you so much for the quick service and for your good advice. It was definitely worth the $165 diagnostic fee.