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Central a/c service or repairers in San Leandro
Hao Wu is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!
Hao Wu is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!
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
Elite Heating and Air LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Here at Elite we stand behind quality workmanship,Please feel free to contact us today!
"The work hasn't been completed yet"
Brian Y on June 2025
Elite Heating and Air LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Here at Elite we stand behind quality workmanship,Please feel free to contact us today!
"The work hasn't been completed yet"
Brian Y on June 2025
Thank you for choosing 411 Heating & AC, LLC, Contra Costa Countys' premiere HVAC service professional. For nearly a decade, we've specialized in all your heating and air conditioning needs. We proudly serve Concord and the surrounding areas. We look forward to earning your business.
"Our heater broke and my husband is medically fragile and It was 58 degrees INSIDE. I needed help ASAP. He's 88 and I'm 77 and calling people was frustrating until I checked top Angie reviews for my area. Even then, two out of three failed on ability to respond in less than 7-10 days. Another said we can come assess in three days and then schedule your repairs. 411 came within hours and had us heating up with a brand new, quieter, and quicker system the next day! Can't thank them enough. And the pricing was very fair based on checking with others in our neighborhood and relatives who have had to replace their systems."
Linda M on February 2025
Thank you for choosing 411 Heating & AC, LLC, Contra Costa Countys' premiere HVAC service professional. For nearly a decade, we've specialized in all your heating and air conditioning needs. We proudly serve Concord and the surrounding areas. We look forward to earning your business.
"Our heater broke and my husband is medically fragile and It was 58 degrees INSIDE. I needed help ASAP. He's 88 and I'm 77 and calling people was frustrating until I checked top Angie reviews for my area. Even then, two out of three failed on ability to respond in less than 7-10 days. Another said we can come assess in three days and then schedule your repairs. 411 came within hours and had us heating up with a brand new, quieter, and quicker system the next day! Can't thank them enough. And the pricing was very fair based on checking with others in our neighborhood and relatives who have had to replace their systems."
Linda M on February 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.
"Gustavo was great! Showed up in the appointment time range. Introduced himself and was very clean and professional. Before he made entrance, he placed coverings over his shows, not to track any dirt or debris inside. He promptly went to work and fixed the problems I had. He also showed me how to clean the air filters with my AC mini split system. Great work and efficient and professional great person!"
Donald S on July 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.
"Gustavo was great! Showed up in the appointment time range. Introduced himself and was very clean and professional. Before he made entrance, he placed coverings over his shows, not to track any dirt or debris inside. He promptly went to work and fixed the problems I had. He also showed me how to clean the air filters with my AC mini split system. Great work and efficient and professional great person!"
Donald S on July 2025
At MDP, we pride ourselves on our commitment to transparency, affordability, and exceptional customer service. Our certified technicians ensure every project is completed with the utmost professionalism and care, keeping your comfort and satisfaction as our top priorities. 📞 Contact us at (669) 400-6792 📧 Email: accounting@mdphvac.com 💻 Website: https://mdpheatingcooling.com/ 📜 California License #1103720. Our services include: ✅ Furnace and heat pump diagnostics and repairs ✅ Duct cleaning ✅ Expert HVAC system installation and maintenance ✅ Thermostat installation and optimization ✅ Free second opinions on previous HVAC estimates
"Project done."
Perry C on May 2025
At MDP, we pride ourselves on our commitment to transparency, affordability, and exceptional customer service. Our certified technicians ensure every project is completed with the utmost professionalism and care, keeping your comfort and satisfaction as our top priorities. 📞 Contact us at (669) 400-6792 📧 Email: accounting@mdphvac.com 💻 Website: https://mdpheatingcooling.com/ 📜 California License #1103720. Our services include: ✅ Furnace and heat pump diagnostics and repairs ✅ Duct cleaning ✅ Expert HVAC system installation and maintenance ✅ Thermostat installation and optimization ✅ Free second opinions on previous HVAC estimates
"Project done."
Perry C on May 2025
Air Concepts Mission Provide professional, trustworthy and responsive service to all of our valued customers.
"Very efficient. Found and fixed the issue quickly"
Carter H on July 2024
Air Concepts Mission Provide professional, trustworthy and responsive service to all of our valued customers.
"Very efficient. Found and fixed the issue quickly"
Carter H on July 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
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
Traube Construction Co Inc, 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.
"The technicians at Traube Construction Company are highly skilled and knowledgeable about HVAC repair. I was impressed by their attention to detail and how they ensured everything was set up perfectly. I would definitely recommend them to anyone needing HVAC services."
Tanya S on July 2024
Traube Construction Co Inc, 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.
"The technicians at Traube Construction Company are highly skilled and knowledgeable about HVAC repair. I was impressed by their attention to detail and how they ensured everything was set up perfectly. I would definitely recommend them to anyone needing HVAC services."
Tanya S on July 2024
AireServ of Pleasanton is a locally/owner run and operated company. We service all of East Bay Area. We are 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. AireServ has been around for over 20-years with over 250 locations.
AireServ of Pleasanton is a locally/owner run and operated company. We service all of East Bay Area. We are 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. AireServ has been around for over 20-years with over 250 locations.
FAQs for central a/c service or repair projects in San Leandro, CA
Yes, a once-a-year tune-up keeps the system efficient and helps it last longer. During the visit, a technician cleans coils, checks electrical connections, and swaps or cleans the filter. Catching small issues now stops bigger, pricier failures later, so that a quick appointment saves money and stress over the life of the unit.
Changing your AC filter every 30 days is necessary to maintain optimal performance and high indoor air quality. Regular filter replacement prevents dust buildup, ensures efficient airflow, and protects the system from stress that could lead to costly repairs. This disciplined maintenance routine not only boosts energy efficiency but also prolongs the lifespan of your unit by safeguarding its critical components.
An HVAC service plan is worth the cost, especially if you forget to schedule maintenance on your own. A service plan locks in yearly (or twice-yearly) visits, allowing a professional to identify small problems early, clean key components, and maintain energy efficiency. Many plans also include minor repairs or priority scheduling, which can pay for themselves if an unexpected issue pops up.
In a pre-season service visit, your technician gives your system a top-to-bottom check before peak season hits. Expect a filter change, thermostat test, condenser-line flush, electrical-connection check, and coil cleaning. They also tighten loose parts and make minor adjustments so the unit fires up without surprises when temperatures swing. That quick tune-up cuts the risk of mid-season breakdowns and keeps energy use in line.
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