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Heat pump repair or service pros in Diamond Bar
EM Heating and Air specializes in reliable HVAC services across Long Beach to Orange County. Whether you need installation, repair, or maintenance, our experienced technicians ensure your home stays comfortable year-round. We pride ourselves on quick response times, quality workmanship, and excellent customer service. No job is too big or too small—trust us to handle all your heating and cooling needs!
"I had a fantastic experience with EM Heating and Air when they installed a new central AC system in my home. The entire process was smooth and professional from start to finish. The team arrived on time, worked efficiently, and their attention to detail was impressive. They explained the installation process clearly and made sure everything was set up perfectly. My new AC system works like a dream, and I couldnâ  t be happier with the results. I highly recommend EM Heating and Air for anyone looking for top-notch HVAC services!"
Louis M on October 2024
EM Heating and Air specializes in reliable HVAC services across Long Beach to Orange County. Whether you need installation, repair, or maintenance, our experienced technicians ensure your home stays comfortable year-round. We pride ourselves on quick response times, quality workmanship, and excellent customer service. No job is too big or too small—trust us to handle all your heating and cooling needs!
"I had a fantastic experience with EM Heating and Air when they installed a new central AC system in my home. The entire process was smooth and professional from start to finish. The team arrived on time, worked efficiently, and their attention to detail was impressive. They explained the installation process clearly and made sure everything was set up perfectly. My new AC system works like a dream, and I couldnâ  t be happier with the results. I highly recommend EM Heating and Air for anyone looking for top-notch HVAC services!"
Louis M on October 2024
With over 35 years of experience in the HVAC industry, Scott Air, Inc is your industry expert in Yorba Linda and the surrounding areas. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!
"Scott and his team are the BEST! I trust them wholeheartedly and they are beyond professional."
Brianna D on October 2023
With over 35 years of experience in the HVAC industry, Scott Air, Inc is your industry expert in Yorba Linda and the surrounding areas. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!
"Scott and his team are the BEST! I trust them wholeheartedly and they are beyond professional."
Brianna D on October 2023
All Plumbing Solutions 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.
All Plumbing Solutions 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.
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!
"This company never failed to impress me. I was truly blown away by the service I received from them as they addressed my HVAC air conditioning repair needs yesterday. The technician was intelligent, diligent, and expert about the service. I will highly recommend this company to everyone."
Jack L on April 2022
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!
"This company never failed to impress me. I was truly blown away by the service I received from them as they addressed my HVAC air conditioning repair needs yesterday. The technician was intelligent, diligent, and expert about the service. I will highly recommend this company to everyone."
Jack L on April 2022
We are a company dedicated to improving and maintaining the comfort of your home. Our focus is always on making sure you are taken care of with precise diagnostics, service, repairs, and replacements.
We are a company dedicated to improving and maintaining the comfort of your home. Our focus is always on making sure you are taken care of with precise diagnostics, service, repairs, and replacements.
With over 30 years of combined experience in the HVAC industry, SoCal Climate Control & Mechanical, Inc. is your industry expert in Southern California. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!
"After 3 weeks using the new install. I can say the system is working perfectly."
Johny C on January 2023
With over 30 years of combined experience in the HVAC industry, SoCal Climate Control & Mechanical, Inc. is your industry expert in Southern California. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!
"After 3 weeks using the new install. I can say the system is working perfectly."
Johny C on January 2023
Service All-Stars Plumbing, Heating & Air At Service All-Stars, we deliver innovative comfort solutions with integrity and a smile. For over 25 years, we’ve built trusted relationships by listening to our customers, understanding their needs, and providing reliable plumbing, heating, and air solutions that bring peace of mind. We are licensed, bonded, and insured, so you can count on us for professionalism and protection at every step. Guided by our five principles of excellence—Service, Reliability, Integrity, Quality, and Value—we’re committed to keeping your water flowing, your home warm in the winter, and cool in the summer with superior equipment and materials on every job. We treat your home or business as if it were our own: doing the job right the first time, leaving every space clean, and standing ready for you, even in emergencies. With Service All-Stars, you get more than solutions you get a team that cares. Because for us, our customers are our number one asset!
"I got repairs on my heater"
Audreyfomby F on December 2022
Service All-Stars Plumbing, Heating & Air At Service All-Stars, we deliver innovative comfort solutions with integrity and a smile. For over 25 years, we’ve built trusted relationships by listening to our customers, understanding their needs, and providing reliable plumbing, heating, and air solutions that bring peace of mind. We are licensed, bonded, and insured, so you can count on us for professionalism and protection at every step. Guided by our five principles of excellence—Service, Reliability, Integrity, Quality, and Value—we’re committed to keeping your water flowing, your home warm in the winter, and cool in the summer with superior equipment and materials on every job. We treat your home or business as if it were our own: doing the job right the first time, leaving every space clean, and standing ready for you, even in emergencies. With Service All-Stars, you get more than solutions you get a team that cares. Because for us, our customers are our number one asset!
"I got repairs on my heater"
Audreyfomby F on December 2022
We at MSP HEATING AND AIR focus on quality HVAC services over quantity. We use our years of experience and expertise, to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed! Please call us today for an estimate. We look forward to working with you! we keep your privacy
"Angel was professional and considerate. His expertise and attention to detail made troubleshooting our issue quick and he was able to present options that offered a permanent fix that fit our budget. An all around star player and a highly recommended company. "
Michael B on May 2025
We at MSP HEATING AND AIR focus on quality HVAC services over quantity. We use our years of experience and expertise, to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed! Please call us today for an estimate. We look forward to working with you! we keep your privacy
"Angel was professional and considerate. His expertise and attention to detail made troubleshooting our issue quick and he was able to present options that offered a permanent fix that fit our budget. An all around star player and a highly recommended company. "
Michael B on May 2025
With over 30 years of combined experience in the HVAC industry, SoCal Climate Control & Mechanical, Inc. is your industry expert in Southern California. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!
"Parts r pricey"
John W on December 2023
With over 30 years of combined experience in the HVAC industry, SoCal Climate Control & Mechanical, Inc. is your industry expert in Southern California. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!
"Parts r pricey"
John W on December 2023
MAYDAY is proud to be recognized as the #1 choice for home services in CA. With expertise in HVAC, appliance repair, electrical, and refrigeration services, we are the trusted partner for maintaining the comfort and efficiency of your home or business. At MAYDAY, our team of certified, insured, and highly trained technicians delivers fast, dependable service for jobs of any size. Whether it’s a small repair or a large installation, you can trust us to provide professional results every time
"Just had my central AC repaired and couldn't be happier! The technician arrived on time, quickly diagnosed the issue, and had everything running smoothly in no time. Professional, knowledgeable, and friendly service at a fair price. Highly recommend this company for anyone needing reliable HVAC repairs!"
Niki B on June 2025
MAYDAY is proud to be recognized as the #1 choice for home services in CA. With expertise in HVAC, appliance repair, electrical, and refrigeration services, we are the trusted partner for maintaining the comfort and efficiency of your home or business. At MAYDAY, our team of certified, insured, and highly trained technicians delivers fast, dependable service for jobs of any size. Whether it’s a small repair or a large installation, you can trust us to provide professional results every time
"Just had my central AC repaired and couldn't be happier! The technician arrived on time, quickly diagnosed the issue, and had everything running smoothly in no time. Professional, knowledgeable, and friendly service at a fair price. Highly recommend this company for anyone needing reliable HVAC repairs!"
Niki B on June 2025
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