Sherlock Heating and Air Conditioning has been a leader in the home comfort industry in San Diego County since 2002.  We specialize in repair, maintenance and installation of a variety of residential heating and cooling products.  Outstanding customer service is what differentiates us from other HVAC providers, and it’s why so many of our satisfied clients refer us to their friends, family and neighbors.

Whether you’re in need of a repair, routine maintenance or full system replacement, Sherlock Heating and Air Conditioning is here to help.  Our highly-trained service experts are certified, licensed, and insured – not to mention, friendly and professional.

We look forward to the opportunity to serve you and improve the comfort of your home!

Read heating and cooling service and repair reviews from our customers.


At Sherlock Heating and Air Conditioning, we know that maintenance is the key to efficiency and longevity in all heating and cooling systems. We educate each of our clients in the maintenance needs of their particular home comfort systems, as well as suggest any minor repairs that could improve system performance.

We’re committed to ensuring that your home comfort system remains in good condition and runs as efficiently as possible for as long as possible.  That’s why we encourage all of our clients to take the hassle out of maintenance by joining our VIP Comfort Club

This maintenance membership club includes one annual maintenance call for your furnace and one for your air conditioner.  Sherlock Heating and Air Conditioning will send a qualified and courteous maintenance technician to your home twice a year to perform this maintenance without you ever having to give it a second thought.  Other benefits include priority scheduling and exclusive offers.

Your system will stay in great running shape longer, and the need for costly repairs will be greatly diminished.  Let us help you prevent problems before they start with the VIP Comfort Club!

Read about our VIP Comfort Club.

Home Comfort System Replacement and Installation in Vista, California

When the inevitable time for system replacement comes, Sherlock Heating and Air Conditioning is here to help!  We work with you throughout the selection and customization of your new heating and cooling system, and set clear expectations regarding timeline and budget.

When it’s time to replace your existing system, our comfort consultants will provide a free, on-site evaluation to help you select the right system for your home.  Once the job starts, our courteous technicians will be sure to clearly explain the installation process. They will take extra precautions to make sure their work space remains clean, and that the process moves quickly.

Once the installation is complete, we’ll provide a comprehensive training on the new features and general operation guidelines of your new home comfort system.  After a few weeks, we’ll even check in to ensure that everything is running just as smoothly as the day we left.

Our employees are licensed, insured, drug screened, and background checked to ensure that our company values are well-represented by each team member you come in contact with.

Find out more about installation and repair.

We Make Owning a New Home Comfort System Affordable

At Sherlock Heating and Air Conditioning, we want to ensure that you get the home comfort system that works best for your home.  We have multiple financing options designed to fit our clients’ financial needs.

We are a leading contractor for several government programs offering rebates, incentives and financing to make your purchase more affordable – including HERO and Energy Upgrade California.  Our staff can help you determine if you qualify for additional assistance toward purchasing a newer and more efficient home comfort system.

In fact, Sherlock Heating and Air Conditioning handles more Energy Upgrade California Home Upgrade projects than just about anyone in San Diego County.  We’d love to help you find out what programs you qualify for and just how much you could save.

Find out more about our payment and financing plans to help you purchase the home comfort system of your dreams.

Our Happiness Guarantee

Outstanding service, quality work, and great communication are the standards to which we hold ourselves at Sherlock Heating and Air Conditioning.  Our commitment to you is unmatched in the industry, and your happiness is our primary concern.

Because of this, all of our work comes with our happiness guarantee.  If you’re not happy with any aspect of our work, simply contact us so that we can make it right. This is our guarantee to you.

Read more about our happiness guarantee.