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Residential HVAC Installation Service in The San Gabriel Valley area

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Ensure Your Home's Comfort Today

Find Reliable Residential HVAC Installation Service in The San Gabriel Valley

You're looking for dependable HVAC solutions, and Golden State HVAC Mechanical, Inc. is here to help. Serving La Verne, Glendora, and the surrounding areas, we offer comprehensive heating and cooling services for both residential and commercial clients. With over 28 years of industry experience, our owner ensures every project meets high standards of quality and customer satisfaction. Licensed and insured, we provide 24/7 emergency services and commercial HVAC services, making sure your comfort is never compromised. Can you feel the difference a perfectly maintained HVAC system makes in your home or business?


Our commitment to excellence is evident in every installation, repair, and maintenance service we provide. From the bustling streets of La Verne to the serene neighborhoods, our team is ready to deliver top-notch residential and commercial HVAC solutions.


Contact us today to schedule your service and enjoy fast, reliable HVAC solutions in your area.

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Residential HVAC

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Commercial HVAC

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Attic with insulation, ductwork, and a red toolbox. Wooden beams and sunlight are visible.
A dirty air conditioning unit on a rooftop with a grimy filter and metal coils.
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Serving the San Gabriel Valley Area

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Our Most Popular Services

Golden State HVAC Mechanical, Inc. offers a wide range of services to ensure your home or business stays comfortable year-round. Whether you need a new installation or emergency repair, our team is ready to assist. We specialize in both residential and commercial HVAC needs, providing tailored solutions for every client. Our services include:

Keep your home comfortable year-round with reliable heating and cooling solutions

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Ensure your business stays efficient with expert HVAC service and support

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Goodman furnace in a dark crawl space. Black ductwork and exposed wooden beams are above the furnace.

Upgrade your comfort with professional system installation done right the first time

Fast, dependable repairs to restore your heating or cooling when you need it most

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Protect your investment with routine maintenance that boosts efficiency and extends system life

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Call us now to arrange your service and experience unparalleled HVAC expertise.

What Sets Us Apart

At Golden State HVAC Mechanical, Inc., we pride ourselves on delivering exceptional service to the San Gabriel Valley community.

With a commitment to professionalism and fast response times, we ensure that your HVAC needs are met with precision and care. Our financing options for large installations make it easier for you to get the comfort you deserve without breaking the bank.

Our team understands the unique climate of Southern California and the importance of a reliable HVAC system. By choosing us, you’re not just getting a service; you’re gaining a partner in maintaining your home’s comfort.

Reach out today to discover how we can enhance your indoor environment with our expert HVAC services.

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Areas We Serve

La Verne, CA

LA County

Orange County

Glendora, CA

Claremont, CA

San Dimas

Pasadena

Upland