HVAC & Air Conditioning Contractors in Rancho Cucamonga, CA

"We hired McCormick for a bathroom remodel, and the whole process was smooth and professional. Khaled helped us make smart choices on design and materials that worked for both our budget and style. Now, our bathroom feels like a spa every time we step in. I appreciate the quality and attention to detail. These folks definitely know what they?re doing!"

"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."

"Gabriel did good work."

"They were really good."

"Hassan was very prompt, professional and personable. He found the problem and offered me choices on how to fix it. He made sure the system was working properly and in good condition before he left. I also enjoyed talking to him about his experiances abroad."

"Great company! They delivered as they promised. Professional work from start to finish. You can tell the difference between old and new windows. Our house looks like new with this windows. Thank you for excellent work."

"Came on time - professional"

"They did a great job repairing the central A/C system."

"Professional and knowledgeable"

"Victor was a respectful, clean and very professional"

"Good customer service, very respectful, , good communication. Knowledge and skillful"

"I will use them again and recommend."

"Ullises Acosta was very professional and provided great service! I would use them again in the future. The cost was reasonable. Thanks again!"

"Showed up on time, found the problem. I was very satisfied with the work."

About us: "Since we opened our doors in 1991, All Pro Plumbing, Heating, Air & Electrical has been dedicated to providing residential and commercial customers in Ontario, CA with top-notch plumbing, heating, air conditioning, indoor air quality, and electrical services. Nearly 30 years later, we have grown significantly, but our values have not changed. We are just as committed to customer service and providing you with personalized options to meet your specific needs. We know that when you are dealing with an urgent plumbing, HVAC, or electrical issue, there isn’t always time to wait around for hours for your technician to show up. Today, with more technicians, we are able to answer your call 24 hours a day, 7 days a week, and respond to your needs faster, almost always within the hour! When you call us for service, we’ll work with you to make sure your problem gets solved according to your specific needs and budget."

About us: "RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!"

About us: "We are a family owned business and 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!"

About us: "With more than 10 years of experience, Keiths AC is dedicated to providing our customers with the best quality at a great price. 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! Thank You!"

"I recently had the pleasure of working with Authority Plumbing, and I cannot recommend them highly enough. From the outset, they came to my home with a plan that demonstrated their deep understanding of plumbing challenges. Clayton, the technician assigned to my project, was exceptional. He took the time to listen to my concerns and opinions, making sure that I felt heard and valued. He explained each step, ensuring I was comfortable with the plan before proceeding. When a sub-contractor was brought on to streamline the process started making several errors, Clayton quickly took charge of the situation. They fixed these mistakes, alongside resolving my initial drainage issues, at no additional expense, was truly remarkable. The team demonstrated a genuine commitment to ensuring the work was completed to the highest standard. Thanks to their efforts, my plumbing issues have been resolved. I would not hesitate to recommend them to anyone in need of professional plumbing services."

"Awesome company!!! From the first call I placed, everyone was friendly and professional.. Fernando fixed the problem in minutes and explained the problem. He was super professional, had a great personality and was the most honest repair person I have literally ever met!! Thank you again soo much Fernando & Right Time Home Services!!! I truly appreciate you..:)"

"Chris arrived on time and completed the work in a timely manner. Helped me set up the system and explained functions. Very professional, courteous, and efficient. I will highly recommend Chris to friends, family and associates."

"I recently had the pleasure of working with SoCal Boys Heating and Air Conditioning, and I couldn't be more impressed! From the moment I called for an appointment, their customer service was exceptional. The staff was friendly, knowledgeable, and eager to assist. The technician (Gerry) arrived on time, equipped with everything needed for the job. He took the time to explain the issues with my HVAC system and provided clear options for repairs and maintenance. I appreciated his honesty and transparency—there was no upselling or unnecessary pressure, just genuine advice tailored to my needs. The repair process was quick and efficient, and I was pleasantly surprised by how reasonable the pricing was. My system is now running better than ever, and I can already feel the difference in my home’s comfort level. What stood out most was their commitment to customer satisfaction. They followed up a few days later to ensure everything was working well and that I was happy with their service."

"They wave us great customer service and good price."

"Frank responded in a timely matter.He was very professional and knowledgeable of his job"