Air Conditioning Installation in Walnut Creek

Your Way to Cool Comfort in Concord, Pleasant Hill & Lafayette

Ensuring that your home remains a cool and comfortable retreat is essential, especially during the hot Walnut Creek summers. A dependable air conditioning system is vital for maintaining indoor comfort, improving air quality, and delivering energy efficiency as California's climate continues to change. At Connolly Heating and Air Conditioning, our focus is on expertly managed air conditioning installation in Walnut Creek and throughout the surrounding areas. We offer custom cooling solutions for both homeowners and businesses, designed to meet the specific requirements of each property.

As a family-owned company with over 30 years of service, our seamless AC installation process benefits from our dedication to quality and ongoing training. We assess every property’s individual needs, taking into account factors such as insulation, house size, and existing ductwork. Employing NATE-certified technicians and installing industry-leading Carrier systems, we ensure that every customer benefits from reliable, energy-efficient performance. Our mission is to keep your Walnut Creek home or business cool and comfortable year-round with trusted, modern AC solutions.

Contact us online or call (925) 281-3462 to request a free estimate or book a service.

Our Air Conditioning Replacement Services

For many Walnut Creek homeowners and businesses, investing in air conditioning replacement is the ideal way to achieve greater comfort, maximize energy efficiency, and reduce operational costs over time. If your current AC system struggles to keep pace with rising temperatures, causes higher-than-expected utility bills, or is nearing the end of its typical service life, it may be time to consider a replacement. As a leading air conditioning replacement company in Walnut Creek, Connolly Heating & Air Conditioning provides an in-depth evaluation to help you determine the optimal time for replacement, the best equipment options, and the total long-term value for your property.

Air conditioning replacement involves much more than simply exchanging old equipment for new. We follow a consultative process that covers everything from system assessment and professional removal of your outdated unit to the installation of high-efficiency Carrier AC models. Our familiarity with Walnut Creek building codes and local energy rebates enables us to recommend systems that save you money while meeting strict environmental standards. We responsibly dispose of old equipment and provide detailed walk-throughs to ensure you fully understand how to operate and maintain your new system for optimal performance, comfort, and longevity in the Walnut Creek climate.

Our Process

At Connolly Heating and Air Conditioning, we take a meticulous approach to air conditioning installation, ensuring that every step of the process is completed with precision and attention to detail. 

For homeowners in Walnut Creek, the unique layout of each property and the evolving climate demands require an installation strategy backed by in-depth knowledge of both modern cooling technology and local building regulations. We work closely with our clients to address any concerns about Walnut Creek’s permit requirements, schedule meetings with the city as needed, and tailor our recommendations to the region’s energy codes for efficiency and compliance. Our process also takes into account the local climate’s impact on system sizing and operation, ensuring optimal comfort and reliable performance throughout the warm season. With deep roots in Contra Costa County, we’re familiar with common architectural styles, insulation types, and zoning considerations, allowing us to provide truly tailored installation plans that account for every detail.

Here's what you can expect when you choose us:

• Initial consultation: We will begin by conducting a thorough assessment of your home's cooling needs. We'll take into account factors such as the size and layout of your home, insulation levels, and existing ductwork to determine the most suitable air conditioning system for your needs.
• System selection: Based on our assessment, we'll recommend the right air conditioning system for your home. We work with many kinds of units, including ductless mini splits, central air, and more. 
• Professional installation: From properly sizing and positioning the equipment to ensuring correct airflow and refrigerant levels, we'll ensure that your new system is installed to manufacturer specifications for optimal performance and efficiency.
• Testing and calibration: After installation is complete, we'll thoroughly test and calibrate your new air conditioning system to ensure that it is functioning correctly. 

At Connolly Heating and Air Conditioning, customer satisfaction is our top priority. We'll walk you through the operation and maintenance of your new air conditioning system, answering any questions you may have, so you can use your new system to its fullest potential.

Frequently Asked Questions

How long does it take to install or replace an air conditioner in Walnut Creek?

The typical time frame for air conditioning installation in Walnut Creek is one to two days for most residential projects, depending on the job's scope and any unique property requirements. This includes safely removing your old unit (if a replacement is required), adjusting or adding ductwork as needed, installing the new Carrier or high-efficiency AC unit, and testing all systems. Local permit scheduling, addressing wiring or insulation issues, or installing modern accessories such as smart thermostats may impact timing. The team at Connolly Heating & Air Conditioning works closely with Walnut Creek inspectors and with you to make the process as smooth and efficient as possible—returning comfort to your home with minimal disruption.

Are there any rebates or incentives available for new AC installation?

Yes, there are often rebates and incentives available for high-efficiency air conditioning installation in Walnut Creek, including attractive programs through local utilities like PG&E and Carrier manufacturer promotions. Your eligibility will depend on factors such as the equipment’s efficiency rating, meeting California Title 24 requirements, and ensuring that all necessary city permits are in place. Our knowledgeable staff assists you with current paperwork and rebate applications, keeping you up to date with relevant programs and helping maximize your return on a new air conditioning system in Walnut Creek or throughout Contra Costa County.