Ariston Heating and Cooling Incorporation, is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
"Personnel were friendly, explained clearly how the system would work. Showed up on time and completed the work as promised."
Dh M on July 2023
Ariston Heating and Cooling Incorporation, is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
"Personnel were friendly, explained clearly how the system would work. Showed up on time and completed the work as promised."
Dh M on July 2023
We are a small business with low overhead so we can pass the savings on to our homeowners. We work diligently to complete all service calls by offering evening hours throughout the week to fit your scheduling needs. With our many years of experience, you can feel comfortable that your heating and air needs are in good hands. Call us today to get your estimate on your next project!
"Amr was most professional & knowledgeable. He should be rewarded financially & considered to become a CEO for your company! He'd be excellent because he has started from the bottom. He has earned his way to the top! Millicent Mc Cormack 81 David Drive Moraga, CA 94556"
Millicent M on January 2021
We are a small business with low overhead so we can pass the savings on to our homeowners. We work diligently to complete all service calls by offering evening hours throughout the week to fit your scheduling needs. With our many years of experience, you can feel comfortable that your heating and air needs are in good hands. Call us today to get your estimate on your next project!
"Amr was most professional & knowledgeable. He should be rewarded financially & considered to become a CEO for your company! He'd be excellent because he has started from the bottom. He has earned his way to the top! Millicent Mc Cormack 81 David Drive Moraga, CA 94556"
Millicent M on January 2021
At Ferreira's Heating And Air Conditioning, we pride ourselves on providing quality service that customers can believe in. We will always see the project through to the customer's satisfaction. Call us for a free estimate and to get a Air Conditioning and Heating professional out to your home today!
"great work at a much needed time"
Paul B on February 2021
At Ferreira's Heating And Air Conditioning, we pride ourselves on providing quality service that customers can believe in. We will always see the project through to the customer's satisfaction. Call us for a free estimate and to get a Air Conditioning and Heating professional out to your home today!
"great work at a much needed time"
Paul B on February 2021
With over 30 years of experience, Perfect Star Heating, Cooling, & Electrical is a locally owned and operated family business serving Alameda & Contra Costa County. We service all makes and models, offering top-quality comfort and energy efficiency solutions. Specializing in Furnace/Heating, Air Conditioning, and Ductless Mini-Split installation, we also provide repair and maintenance for Central HVAC systems, Ductwork, Indoor Air Quality, Electrical Repair & Installation, and Solar Installation. Free estimates are available for HVAC system replacement, new installations, and solar solutions. As a Lennox Premier Dealer, Daikin Comfort Pro, and WellAir Elite dealer, we are Diamond Certified, hold an A+ BBB Rating, and have been voted “The Best Heating & Air Company” and “The Most Community-Minded Company” by The Press in Brentwood, CA for two years. We are also SFGATE’s Best of the Bay Area Heating & A/C Service provider.
"Great customer service!"
John _ on March 2025
With over 30 years of experience, Perfect Star Heating, Cooling, & Electrical is a locally owned and operated family business serving Alameda & Contra Costa County. We service all makes and models, offering top-quality comfort and energy efficiency solutions. Specializing in Furnace/Heating, Air Conditioning, and Ductless Mini-Split installation, we also provide repair and maintenance for Central HVAC systems, Ductwork, Indoor Air Quality, Electrical Repair & Installation, and Solar Installation. Free estimates are available for HVAC system replacement, new installations, and solar solutions. As a Lennox Premier Dealer, Daikin Comfort Pro, and WellAir Elite dealer, we are Diamond Certified, hold an A+ BBB Rating, and have been voted “The Best Heating & Air Company” and “The Most Community-Minded Company” by The Press in Brentwood, CA for two years. We are also SFGATE’s Best of the Bay Area Heating & A/C Service provider.
"Great customer service!"
John _ on March 2025
Eagle Air has been in business since 1993 and is a recognized authority in HVAC design, installation, repair, maintenance, and replacement of residential and commercial heating and air conditioning systems. Eagle Air offers equipment and certified professional service.
"Good"
Ani B on August 2024
Eagle Air has been in business since 1993 and is a recognized authority in HVAC design, installation, repair, maintenance, and replacement of residential and commercial heating and air conditioning systems. Eagle Air offers equipment and certified professional service.
"Good"
Ani B on August 2024
With years of experience, Kazen Custom Heating & Air will take care of all your heating and air needs. Call us for service or repair work or if you have an install. We can handle that as well! We look forward to working with you.
"Great experience"
Cory H on October 2023
With years of experience, Kazen Custom Heating & Air will take care of all your heating and air needs. Call us for service or repair work or if you have an install. We can handle that as well! We look forward to working with you.
"Great experience"
Cory H on October 2023
Smart Heating and Air is proud to be a locally owned and operated business that provides residential HVAC installation, replacement and service. With years of experience and unmatched expertise, we can help with any and all of your heating and cooling needs. Since opening our doors we have built our business on providing customers with the highest quality products and service at a fair price. You can count on us to be timely, tidy and when the job is done, that you will be 100% satisfied with the work. Let us show you the Smart Heating and Air advantage, get in touch today!
"They do an outstanding detailed job on examining your equipment and explain the problems that are going on and problems that might arise and then back it up with pictures. They send all this info to you via your computor. They also do a great job cleaning up after they are finished. They are very professional!"
marilyn m on April 2024
Smart Heating and Air is proud to be a locally owned and operated business that provides residential HVAC installation, replacement and service. With years of experience and unmatched expertise, we can help with any and all of your heating and cooling needs. Since opening our doors we have built our business on providing customers with the highest quality products and service at a fair price. You can count on us to be timely, tidy and when the job is done, that you will be 100% satisfied with the work. Let us show you the Smart Heating and Air advantage, get in touch today!
"They do an outstanding detailed job on examining your equipment and explain the problems that are going on and problems that might arise and then back it up with pictures. They send all this info to you via your computor. They also do a great job cleaning up after they are finished. They are very professional!"
marilyn m on April 2024
We are a local business here in the Bay Area We do everything from Replacing gas furnaces to instilling new all-electric furnaces A/C change out, mini-split installations, Heat pump systems, and heat pump water heaters. We are always trying to achieve our customer's satisfaction that's our goal!!
"From our first conversation to finishing my Heating project, Comfort Home Heating and Air was full on fabulous. Juan knows his trade very well and led me through my questions and decisions. Once we agreed on the project and date, Comfort Home showed up on time and seemed to use every moment effectively, by being Systematic and organized. They cleaned the area around the Heating and Air unit so it looked better than before. I can tell by looking at the installation that things were done thoughtfully and cleanly. I have worked with many contractors and have never come close to the satisfaction... even pleasure I had with Comfort. I cannot think of anything Comfort Home Heating and Air could have done better. I highly recommend them, if you want the best."
Leslie C on September 2024
We are a local business here in the Bay Area We do everything from Replacing gas furnaces to instilling new all-electric furnaces A/C change out, mini-split installations, Heat pump systems, and heat pump water heaters. We are always trying to achieve our customer's satisfaction that's our goal!!
"From our first conversation to finishing my Heating project, Comfort Home Heating and Air was full on fabulous. Juan knows his trade very well and led me through my questions and decisions. Once we agreed on the project and date, Comfort Home showed up on time and seemed to use every moment effectively, by being Systematic and organized. They cleaned the area around the Heating and Air unit so it looked better than before. I can tell by looking at the installation that things were done thoughtfully and cleanly. I have worked with many contractors and have never come close to the satisfaction... even pleasure I had with Comfort. I cannot think of anything Comfort Home Heating and Air could have done better. I highly recommend them, if you want the best."
Leslie C on September 2024
We are locally owned and operated, and serving the Bay Area. Our focus is residential air conditioning, heating, Installation of HVAC systems and full-service plumbing. We love working with homeowners and helping to take care of their precious homes. We also keep busy doing light commercial service. Serving California since 1954, financing options available, We don't charge extra for Saturday service calls.
"Called this company for their $77 dollar, which they advertised with a flyer, for a tune-up and cleaning for my heating system. They are a Hayward company and I was told that our Castro Valley home was not in their service area. I bet if I called to buy a new heater they would be out in a day."
Gregory O on March 2023
We are locally owned and operated, and serving the Bay Area. Our focus is residential air conditioning, heating, Installation of HVAC systems and full-service plumbing. We love working with homeowners and helping to take care of their precious homes. We also keep busy doing light commercial service. Serving California since 1954, financing options available, We don't charge extra for Saturday service calls.
"Called this company for their $77 dollar, which they advertised with a flyer, for a tune-up and cleaning for my heating system. They are a Hayward company and I was told that our Castro Valley home was not in their service area. I bet if I called to buy a new heater they would be out in a day."
Gregory O on March 2023
AirGonomics Heating & Cooling provides Honest, Reliable HVAC services for your Home or Business. Whether you require equipment maintenance, replacement or an emergency repair, we are available to serve all of HVAC your needs. Your satisfaction matters. AirGonomics strives for 100% customer satisfaction. Give AirGonomics a call today. We will do our best to exceed your expectations.
"All work was done on schedule and actually under $ budget, which was surprising and nice to see, would definitely use this company again and highly recommend them"
Dave H on June 2024
AirGonomics Heating & Cooling provides Honest, Reliable HVAC services for your Home or Business. Whether you require equipment maintenance, replacement or an emergency repair, we are available to serve all of HVAC your needs. Your satisfaction matters. AirGonomics strives for 100% customer satisfaction. Give AirGonomics a call today. We will do our best to exceed your expectations.
"All work was done on schedule and actually under $ budget, which was surprising and nice to see, would definitely use this company again and highly recommend them"
Dave H on June 2024
An evaporator coil is a crucial component of your air conditioning system, responsible for cooling the air inside your home. It absorbs heat from the indoor air, allowing the system to blow cool air through your vents. Keeping your AC well-maintained helps it run efficiently and can save you money on energy bills.
AC condensers can present a variety of common problems, including dirt and debris accumulation, drain blockages, and water leaks. Leaking refrigerant, faulty electrical components, damaged coils, and burnt-out motors can indicate more complex repair needs.
Some of these issues can be easily fixed, while others may require a total unit replacement. For the most accurate assessment, contact an AC contractor in your area.
The AC coils typically last the lifetime of your system, ranging from 10 to 20 years, depending on factors such as maintenance, quality, and other variables. Have your AC condenser coils inspected and cleaned periodically to maximize their lifespan and optimize cooling performance. Ask your HVAC pro for recommendations on how to stay on top of all critical AC maintenance.
Home warranties cover AC coils when the policy explicitly protects key HVAC components. This means that if an AC coil fails under the scope of your warranty, repair or replacement expenses are covered. Your warranty documentation confirms whether coil repairs are included, and manufacturer warranties protect both the AC condenser and its coils. It is important to review your contract details to know your exact coverage.
Warning signs that your AC condenser is failing include noticeable fluid leaks and loud, unusual noises. These indicators confirm that the condenser is under stress and its performance is compromised. Decreased cooling efficiency, uneven indoor temperatures, and increased energy consumption further signal that the unit is deteriorating. Recognizing these signs ensures you engage a professional for a thorough evaluation and prompt repair.