HVAC Contractors in Diamond Bar, CA

Advantage Air specializes in residential heating, ventilation, and air conditioning services, including new installations, diagnostics, repairs, and ongoing system maintenance. The company is dedicated to providing customers with the finest home comfort experience through expert product knowledge, a commitment to service, value, and integrity. Advantage Air offers high-quality, efficient systems at guaranteed lowest prices, serving Long Beach, the South Bay, Los Angeles County, and parts of North Orange County. The company actively engages with local communities and provides special offers to seniors, students, teachers, and military personnel, aiming to meet the home comfort needs of families with professionalism and care.

LMP Heating & Air, Inc. is a family-owned and operated HVAC company based in Long Beach, California, with over 18 years of experience in the industry. The company provides a full range of heating, cooling, and ventilation services including new installations, routine maintenance, and emergency repairs for both residential and small commercial clients. LMP Heating & Air is licensed, bonded, insured, and holds certifications such as NATE and EPA. The company offers personalized HVAC solutions tailored to individual needs, including authorized installation of QuietCool whole house fans. LMP Heating & Air prioritizes customer satisfaction by delivering exceptional service and using high-quality parts and equipment, striving to exceed client expectations with integrity and professionalism.

Long Beach Air Conditioning Contractors is a leading HVAC contractor based in Long Beach, California, specializing in the maintenance and installation of central air conditioners, boilers, furnaces, and heat pumps. The company offers comprehensive services designed to ensure homes and workplaces remain free from harmful bacteria and maintain healthy indoor environments. With a focus on professional and thorough service, Long Beach Air Conditioning Contractors provides free consultations and accepts debit and credit cards for customer convenience. The company is committed to delivering efficient, worry-free HVAC solutions with excellent customer reviews highlighting their professionalism and attention to detail.

Monkey Wrench Plumbing, Heating, Air & Electric is a comprehensive service provider based in Los Angeles, CA, specializing in plumbing, HVAC, and electrical services. The company offers a wide range of solutions including water heater installation and repair, drain cleaning, water filtration, air conditioning repair and installation, heating services, duct cleaning, electrical repairs, panel upgrades, EV charger installation, and more. Monkey Wrench emphasizes professionalism, eco-friendly practices, and customer satisfaction, with uniformed and highly trained technicians who maintain cleanliness and provide hassle-free service. The company is committed to green living and energy efficiency, aiming to create comfortable, sustainable, and efficient homes for its clients.

QSC HVAC Contractor is a professional HVAC service provider based in Long Beach, California, specializing in repair, maintenance, and installation of refrigeration, duct cleaning, and air conditioning systems for both residential and commercial properties. The company prides itself on highly trained contractors who focus on maximizing the efficiency and safety of HVAC systems to ensure a healthy environment free from harmful bacteria. QSC HVAC Contractor offers a full range of services including air conditioning repairs, blown-in attic installations, and refrigeration repairs. The company emphasizes clear communication, professionalism, and comprehensive service availability every day of the week to meet

Southwest Heating and Air Conditioning, founded in 2014 by Eric and Stephane, is a family-owned business dedicated to providing top-quality heating and cooling services across Southern California. The company specializes in both residential and commercial projects, offering installation, replacement, repair, and maintenance of air conditioning, heating, and indoor air quality systems. Southwest Heating and Air Conditioning prides itself on its reliable, trustworthy, and customer-focused approach, earning over 400 five-star reviews on Yelp and recognition as one of the Top 10 Best Heating and Air Conditioning Companies in Southern California. With licensed, bonded, and insured specialists, the company provides affordable rates, financing options, 24/7 emergency service, and environmentally responsible solutions that help reduce energy costs and carbon footprint. Through a blend of professional expertise and family-oriented service, Southwest Heating and Air Conditioning delivers comfort and efficiency to homes and businesses alike.