Expert HVAC Services

Serving Greater Southwest Washington

24/7 Emergency Services

Easy Financing Options

Free Same-Day Estimates

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HVAC Solutions to Improve Home Comfort and Efficiency

CSM Heating Cooling Roofing & Solar brings over six decades of experience to homes and businesses across Greater Southwest Washington. Since 1962, our family-owned company has delivered trusted air conditioning and heating services designed to keep your home comfortable in every season. From cooling systems that beat the summer heat to dependable heating solutions for chilly months, we provide complete HVAC services tailored to your needs.

At CSM, we take pride in our transparent pricing, meticulous workmanship, and commitment to customer satisfaction. Our HVAC-certified professionals handle everything from routine maintenance and system installations to energy audits, ductless mini-split systems, indoor air quality solutions, and smart thermostat upgrades. With same-day emergency service available and strong manufacturer warranties, we deliver reliable comfort solutions you can count on. Contact us today and experience the CSM difference.

Why Choose Us

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24/7 Emergency Services

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$50 Union Cash-Back on HVAC Installs & Maintenance Calls

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Voted Best in Lewis County, Grays Harbor, and South Sound

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Quick Response and Lead Times

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Transparent Pricing and Courteous Service

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Free Same-Day Estimates

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AC Services

When the summer heat hits, you can count on CSM to keep your home cool and comfortable. Our AC services cover everything from routine maintenance to emergency repairs and new system installations. We work with leading brands to ensure your air conditioning system operates at peak efficiency, helping you save on energy bills while staying cool.
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Heating Services

CSM keeps your home warm and cozy during the chilly Southwest Washington winters. Our heating services include furnace repairs, heat pump installations, and regular maintenance to keep your system running smoothly. We're proud to be recognized as a Best Sales for Trane dealer, offering you access to some of the most reliable heating systems on the market.
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Energy Audit

Our comprehensive energy audit service is designed to optimize your HVAC system's efficiency and reduce your energy costs. Our certified technicians use state-of-the-art tools to analyze your home's energy consumption patterns, identifying areas of waste and inefficiency. We provide detailed reports and actionable recommendations to improve your system's performance, potentially leading to significant savings on your energy bills.
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Mini-Split Installation

CSM Heating Cooling Roofing & Solar specializes in mini-split installation, offering a flexible and energy-efficient solution for heating and cooling. Our expert technicians are trained in the latest mini-split technologies, ensuring a seamless installation process. We work closely with you to design a system that meets your specific needs, whether for a single room or multiple zones in your home or business. With our mini-split installations, you can enjoy precise temperature control and reduced energy consumption.
CSM Heating, Cooling & Roofing

New Customer Special - $25 Off

First time calling us? Get $25 off the price of your first service or repair call.

Call Today to Save On Service

Limit (1) Per Household

Not Combinable with Other Offers

CSM Heating, Cooling & Roofing

$50 Union Cash Back

As proud Union 265 members, we support our fellow unionized workers with a $50 rebate on all services.

Save On Your Next Maintenance Call

Limit (1) Per Household

Not Combinable with Other Offers

Recent Projects

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Here's what our satisfied customers are saying...

At CSM Heating Cooling Roofing & Solar, we take pride in providing exceptional home repair services to our customers. We would be grateful if you could share your thoughts about our home contracting company with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of CSM Heating Cooling Roofing & Solar and let others know what you think.