Professional Heating Services

Lewis County, WA Area

Free Estimates Within 24 Hours

Two-Year Mitsubishi Warranty

Over 30 Years of Experience

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Reliable Heating Solutions for Your Comfort

When winter arrives in Lewis County, dependable heating becomes essential. Advanced Energy Systems has provided warm, comfortable environments for homes and businesses for over 30 years. Our family-owned company understands the local heating challenges and has built a solid reputation through highly responsive service tailored to your needs.

As members of Sheet Metal Workers Local Union 66 of Western Washington, our technicians bring professional expertise to every project, from routine maintenance and troubleshooting to complete system installations. Mitsubishi system customers benefit from an extended two-year warranty through our status as Preferred Diamond Contractors. We also align our work with manufacturer requirements, including honoring applicable manufacturer warranties, to help ensure customers receive the warranty coverage associated with their equipment and installation.


We deliver free estimates within 24 hours and will match any written estimate you receive. We also collaborate with insurance companies and Rely Home Warranties to simplify the process for our customers. For heating services that blend experience, quality, and genuine care, contact us today.

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Why Choose Us

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In Business With Over 30 Years of Experience

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Very Responsive

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We Serve All HVAC Makes and Models

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Comprehensive Warranties Available

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We Match Written Estimates

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We Work With Insurance Companies

Furnace Installation and Repair

Your furnace has a tall task, powering your comfort during cold weather. Advanced Energy Systems installs energy-efficient furnaces that lower utility costs while enhancing comfort. Our installation is meticulous and professional, ensuring optimal performance from the start. Our technicians can diagnose and repair issues with all furnace brands, quickly restoring warmth to your property.

Heat Pump Installation

Heat pumps provide an energy-efficient solution for year-round comfort, offering both heating and cooling in one system. Advanced Energy Systems has deep experience installing heat pumps sized correctly for your specific requirements. We'll guide you in selecting a system that balances upfront costs with energy savings over time, and our professional installation delivers consistent comfort throughout all seasons.

Heating Maintenance

Regular maintenance extends your heating system's lifespan and prevents unexpected breakdowns. Our thorough maintenance includes detailed inspections, cleaning, and tuning of all system components. We suggest scheduling maintenance before cold weather arrives to ensure efficient operation when temperatures drop. With Advanced Energy Systems managing your maintenance, you can relax knowing your heating system receives proper care.

Heating Repair

When your heating system fails, you need quick, reliable service. Advanced Energy Systems responds promptly with fully-stocked service vehicles ready to address most problems in a single visit. Our technicians clearly explain the issue and repair options, helping you make smart decisions about your heating system.
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Here's what our satisfied customers are saying...

At Advanced Energy Systems, we take pride in providing exceptional AC, heating, and commercial HVAC services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Advanced Energy Systems and let others know what you think.