HVAC Contractors in Chehalis, WA

Rebates and Financing

Affordable Pricing

Flexible Availability

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Maintain Perfect Comfort With Our Comprehensive HVAC Services

Mills Northwest Heating & Cooling Inc is a premier provider of heating and air services to Chehalis, WA, and the surrounding communities. We're committed to ensuring your home or business stays comfortable all year round. Our team of skilled professionals is equipped with the necessary parts on-hand, and is ready to provide you with swift and efficient service. We pride ourselves on our flexible availability, ensuring we're there when you need us most.


Our heating and cooling services are not only professional but also affordable, making us a preferred choice for many. We work on all types of air source units and offer manufacturer warranties. Plus, we provide free on-site estimates, so you know exactly what to expect.

Contact us today to schedule an HVAC service.

Why Choose

Mills Northwest Heating & Cooling Inc?

Choosing Mills Northwest Heating & Cooling Inc means choosing reliability, efficiency, and affordability. Our team is always ready to serve you with parts on-hand to ensure quick and effective solutions. We offer professional HVAC services at affordable prices, making us an excellent choice for your heating and cooling needs. Plus, we work on all types of air source units and offer manufacturer warranties for your peace of mind. We also provide free on-site estimates, so you know exactly what to expect before we start the work. Choose us for your heating and air needs and experience the difference we can make.

Rebates Available

Locally-Owned Business

Flexible Availability

35+ Years of Experience

Manufacturer Warranties Available

In Business Since 1973

Heating Services

Our heating services are designed to keep you warm during the cold months. We offer a range of services, including routine maintenance, to ensure your heating system is always in top condition. Get in touch with us today to schedule a heating repair or maintenance service.

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Cooling Services

Stay cool during the hot summer months with our air conditioning services. We provide maintenance, repair, and installation services for all types of AC units, ensuring your cooling system is efficient and reliable. Call (360) 748-7961 today to request a free on-site estimate.

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HVAC Installation

Do you need to install a new HVAC unit? Choose our locally-owned business! We offer professional HVAC installation services to residential and commercial customers. Our experts will ensure your new system is installed correctly and efficiently, providing you with reliable comfort for years to come.

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HVAC System Rebates

Would you like to save on your newly installed HVAC unit? Of course you would! Take advantage of our available rebates to save even more on your heating and cooling needs. At Mills Northwest Heating & Cooling Inc, we're committed to providing you with affordable solutions for your comfort.

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

At Mills Northwest Heating & Cooling Inc, we take pride in providing exceptional 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 Mills Northwest Heating & Cooling Inc and let others know what you think.

Learn More About

Mills Northwest Heating & Cooling Inc

Serving the Chehalis, WA area. Mills Northwest Heating & Cooling Inc specializes in heating and cooling repair, maintenance, and HVAC system installation. Rebates and financing available. Affordable pricing. Flexible availability. Call for a free on-site estimate.

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