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Welcome to Climate Specialists, your trusted HVAC experts in Diamond Bar. With over 25 years of experience, we have been servicing both residential and commercial properties with top-notch installations and repairs. Our professionalism and commitment to getting the job done right the first time sets us apart from our competitors. At Climate Specialists, we understand the importance of having a comfortable and functional living or working space. As a veteran and family-owned business, we take pride in providing exceptional service to our community. Our dedication to quality work and competitive pricing has made us a trusted name in the HVAC industry. When you choose Climate Specialists, you can trust that your HVAC needs will be taken care of. Contact us today for all your HVAC needs and experience the difference of working with a company that puts your satisfaction first. Let us keep you cool in the summer and warm in the winter with our top-notch services.

We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers' needs. It is our mission, to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

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

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.

Welcome to Sean Patrick HVAC, Your Trusted HVAC Contractor Serving SOCAL, CA and Surrounding Areas. For over 10 years, we’ve provided exceptional HVAC repairs, HVAC replacement, air conditioning maintenance, furnace replacement, and indoor air quality services for residential and commercial customers. Our NATE-certified technicians have the experience and expertise to correctly diagnose and repair all makes and models of HVAC systems. We offer 24/7 emergency HVAC repair service, so you’re never left in the cold or heat. As your local HVAC contractor, we provide: HVAC Repairs – Get your AC, furnace, or heat pump running again quickly with our skilled repair technicians HVAC Replacement – We replace old, inefficient HVAC systems with new top brand models properly sized for your home/business Air Conditioning Maintenance – Preventative maintenance maximizes the lifespan of your AC system Furnace Replacement – We replace broken furnaces with energy efficient new models

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

True Home Heating and Air Conditioning 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 customer's interests and make their concerns the basis of our business. Please give us a call today!

When homeowners want a reliable heating or air conditioning system that they don't have to think about, they call One Hour Heating & Air Conditioning. We are the premier HVAC service provider in the United States for a simple reason: we actually care about your comfort. At One Hour, we respect you, we respect your time, and, most importantly, we respect the trust that you put in us to keep your home comfortable. It's why we back all of our work with a 100% customer satisfaction guarantee for two years, and it's why we're always on time—guaranteed.

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!

RKM heating and air conditioning is a full service contractor for your heating, cooling, air conditioning and air quality needs. Our technicians are continually trained to ensure top level performance in all areas of service, repair installation and design. Our specialist can help insure your family’s safety in your home with eco friendly solutions and air quality and air purification products. Licensed C20, Nate, green, Honeywell contractor pro, hers certified. Award winning. HEPA air duct cleaning and dryer vent cleaning, Furnace cooling and air purification specialist Hero and Sanbag approved. Additional DBAs - RKM Heating and Air Conditioning, R K M Heating and Air Conditioning, RKM Heating & Air Conditioning.