Air Conditioning Installation in Castle Rock, CO

April 5, 2025

Summer in Colorado is different. Those hot days when the temp goes up and your house feels like an oven? That’s when air conditioning installation in Castle Rock, CO, becomes a necessity for comfort during those peak summer months.


Professional AC installation is the custom setup of cooling systems for your home. Technicians assess your space, determine the right size unit, and configure a system that’s efficient and cost-effective. They handle everything from mounting the outdoor unit to connecting the network of refrigerant lines that make it all happen.


It starts with a home evaluation where pros look at your insulation, square footage, and existing ductwork. They’ll give you options that fit your budget and cooling needs. Once you’ve chosen a system, the installation team shows up with the right tools and knowledge to set up your new climate control buddy.


In the end, finding a reputable company for air conditioning in Castle Rock, CO means finding technicians who know the local building codes and permit requirements. The best companies offer warranties that protect your investment and maintenance plans to keep your system running smoothly through Colorado’s crazy weather.


At 303 Heating & Air, Inc, we’re the go-to choice for air conditioning in Castle Rock, CO. With over 21 years of experience under our belt, we’ve perfected our craft to provide top-notch HVAC services to keep our community cool and comfortable during those hot Colorado summers.

About - Castle Rock, CO

Castle Rock, Colorado, is centered around a one-of-a-kind geological formation – the rhyolite butte that rises above the town, a leftover from volcanic activity 58 million years ago. Founded in 1874 as the county seat of Douglas County, this home-rule town is a mix of frontier history and modern growth.

Each fall, the Castle Rock Film Festival pumps up the culture, showing Rocky Mountain filmmakers since 2009 and giving feedback on every submission.

Happy Customers in Castle Rock, CO

We live in a rental home that was having multiple issues with carbon monoxide and gas. Tom did a fantastic job replacing our furnace and was extremely thorough and found additional issues that other technicians had overlooked. Highly recommended!!!

Ally H.

Had Tom replace our AC and furnace. He did an excellent job and was done in less than a day. He communicated very well and delivered exactly what he promised. We are extremely satisfied and recommend him without hesitation. Thank You from the Carltons

Stephanie C.

We had an excellent experience for our furnace installation with Tom. He was incredibly knowledgeable and professional. It is clear that he takes pride in his work. We would highly recommend him and his company!

Tim W.

Great service, Tom was on time and his estimate beat others by hundreds. I will be refereaing close friends and family! Thank you!

Danny

Tom was amazing. Honest, fast, and did the work with excellence. Great prices and a great guy. Call Tom before you have one of the "big guys" come and charge you way too much.

Gerry O.

Highly recommend! Tom installed a new furnace and water heater at my house. Fair prices, excellent service, efficient.

Rachel R.

Our Services in Castle Rock, CO

Top Rated Air Conditioning Installation Service in Castle Rock, CO

At 303 Heating & Air, Inc, our technicians are trained to provide top-notch customer service while getting the job done safely and efficiently.

We know choosing the right AC unit can be overwhelming, that’s why we have a wide range of options to fit any budget or need. Our energy-efficient and eco-friendly units will keep your home at the perfect temperature and reduce your overall energy usage.


When it comes to installation, we follow a process to make sure your new AC system is running at peak performance. We start by selecting the right unit based on the size of your space, number of occupants, and insulation levels. Our techs then prepare the installation site, clearing any obstacles and making sure the area is ready for the new system.


We take pride in staying up to date with the latest HVAC technology so we can offer you the latest and greatest solutions to maximize efficiency and minimize energy costs. This is what sets us apart from other contractors in the area and ensures you get the best service possible.

Don't let the heat get you down this summer. Contact us today and experience the difference that true HVAC expertise can make in your home.

A person is changing a filter on an air conditioner.

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