AC Installation & Replacement

Get an AC Repair & Installation at 

Interstate 25 Mechanical!

AC and Furnace Repair Castle Rock | Trusted Air Conditioning and Furnace Installs

Welcome to Interstate 25 Mechanical, your licensed and insured trusted local HVAC company in Castle Rock, CO. Catering to both residential and commercial customers when it comes to air conditioning services and furnace repair, installation, and maintenance, we are the name you can rely on. Our team of dedicated professionals is committed to providing personalized hvac services and ensuring 100% customer satisfaction for 20 years. No matter the season, we are here to keep you comfortable in your home or office. Contact us for all your HVAC needs in Castle Rock!

Air Conditioning Repair and Installation Service | Call Our A/C Maintenance Pros

Is your air conditioner not keeping up with the summer heat? Don’t sweat it! Serving both residential and commercial customers in Castle Rock, our experienced technicians are skilled in diagnosing and repairing all air conditioner issues efficiently. From minor repairs to complete system installations, we have you covered. Trust our A/C maintenance pros to keep your cooling system running smoothly and efficiently, ensuring maximum comfort during the scorching summer months. Contact our air conditioning services in Castle Rock today!

Ductless Mini Split AC Installation and Maintenance Contractors Near You

As a trusted local HVAC expert specializing in AC installation and maintenance in Castle Rock. When it comes to efficient and customizable cooling solutions, our experienced contractors who do a great job are here to meet your needs. As a local business, we take pride in providing personalized service and ensuring 100% customer satisfaction. Whether you’re looking to install a new AC system or need reliable maintenance for your existing unit, we’ve got you covered. From cleaning filters and coils to checking refrigerant levels and inspecting electrical components, we ensure that your hvac systems operates efficiently and reliably. Our commitment to customer satisfaction means that we go the extra mile to deliver top-notch maintenance services that prolong the lifespan of your ductless mini split AC system. Contact us today for all your ductless mini split AC needs!

Need Your Furnace Repaired or Installed? Get Warm & Cozy With Our Heating Services

As the temperatures drop in Castle Rock, it’s essential to have a reliable furnace to keep you warm and cozy. If your furnace or water heaters is acting up or you’re in need of a new installation, our heating services are here to help. Our HVAC technicians are trained to handle all types of furnace repairs and installations, ensuring your heating system operates efficiently and effectively. Experience warmth and comfort throughout the chilly winter season with our expert heating services. Contact us for all your heating needs.

Replace Emergency With Efficiency – Call For Heater Maintenance and Replacement

Don’t let a faulty hot water heater leave you in the cold during the winter months. Our hot water heater maintenance and replacement services are designed to keep your hot water heater system running at its best. Regular heating maintenance can prevent emergencies and prolong the life of your water heaters, saving you money on costly repairs. If it’s time for a replacement, our knowledgeable team will guide you in selecting an energy-efficient heating system that suits your needs. Say goodbye to emergency breakdowns and embrace efficiency with our heater maintenance and replacement solutions.

One Heat Pump Repair and Installation Company For Year-Round Comfort

Heat pumps provide both heating and cooling, making them an ideal choice for year-round comfort. Whether you need repair or you’re considering a new installation, we are the company to rely on. Our skilled technicians have years of experience handling all heat pump-related issues promptly and effectively . Enjoy efficient and consistent indoor comfort throughout the seasons with our heat pump repair and installation services. Contact us now for all your heating needs.

Why Choose Interstate 25 Mechanical?

  • Local: We are your neighbors, serving the Castle Rock community with pride. We understand the unique HVAC needs of our local customers. 
  • Personal: At Interstate 25 Mechanical, we believe in building strong relationships with our customers. We provide personalized service tailored to your specific requirements. 
  • Customer 100% Satisfaction driven: Your satisfaction is our top priority. We go above and beyond to ensure that every customer is happy with our services. We strive to exceed your expectations.


When it comes to reliable HVAC company in Castle Rock, trust Interstate 25 Mechanical to deliver exceptional results. With our years of experience in air conditioning and furnace repair, installation, and maintenance for 20 years we are your go-to professionals for all your heating and cooling needs. Experience the comfort you deserve all year round. Contact us today at to schedule an appointment or to learn more about our services. Let us take care of your HVAC needs and provide you with a comfortable and energy-efficient environment.


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