Blue Diamond Heating & Air
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We are Blue Diamond, a company with home-town heart. We're passionate about making the world a cozy place to live. Whether we're heating or cooling we take great pride in keeping our customers comfortable and satisfied. Diamond, is in our name because of the quality it represents. We work hard to help each team member become a skilled craftsman.

We hire the best and provide training and support, so our team can learn, grow, and be prepared for any challenges thrown our way. Our people make us special. We can deliver and innovate better than most in our industry. Our "can-do", family attitude fuels our teamwork and helps us get the job done on time, and right - the first time.
Services
Our team is prepared to take care of all your A/C and heating needs, including residential ductless mini-splits, new installations, routine service, and indoor air quality. We are Blue Diamond, a company with a home-town heart. We're passionate about making the world a cozy place to live. Whether we're heating or cooling we take great pride in keeping our customers comfortable and satisfied.
Blue Diamond Heating and Air offers professional heating and cooling services in San Diego County. When your air conditioner breaks down, you need reliable air conditioning repair in San Diego and you need it quickly. Luckily, Blue Diamond is here to help you with all of your AC repair needs.

All of our technicians are highly trained, fully licensed and insured, and every one of them undergoes background checks and drug testing for your peace of mind.Most of all, we stand behind the quality of our work. All of our services, including AC repairs, are backed by our Blue Diamond Guarantee-if you're not completely happy with your repairs or a product we've provided, we'll repair your system again ASAP.
When it comes to HVAC installation in San Diego you should avoid skimping and letting just anyone put in your new system. That's where the specialists from Blue Diamond Heating and Air arrive. Not only do we have the qualifications and credentials to back up our expert heating & air conditioning installation, we'll offer you a 100% Satisfaction Guarantee.*
We know HVAC service memberships in San Diego are probably not on your mind. But they're the first thing on ours, at Blue Diamond Heating and Air, because regular maintenance can help prevent major issues in the future. Routine service is essential for a lot of other reasons. It might even help you save on those costly energy expenses, lengthen the systems life expectancy and keep your factory warranty in place.
Having a well-maintained air conditioning unit can make a huge difference in San Diego County and the surrounding areas. Despite having beautiful beaches to our west and mountains to our east, we are a desert community - and that means that the scorching heat can really disrupt our indoor comfort during summertime if we don't have ice cold AC.
Reviews (6)
Lulu Dorame
Lulu Dorame
Jan 03, 2022
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Positive: Professionalism, Punctuality, Quality, Responsiveness
Great professional and above all else excellent customer service
Would highly recommend them to anyone in need of heat/AC service
Prompt and precise service !
Services: Thermostat installation, Heating system repair
William Boyer
William Boyer
Dec 31, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Ontime, Knowledgeable, Friendly - Brian and Charles did a great job - Thanks So Much !
Service: Heating system repair
Matthew Melley
Matthew Melley
Dec 21, 2021
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The Furnace Technician was professional and knowledgeable and completed the repair in a reasonable amount of time at a fair price. He had saved me from spending thousands of dollars. I am very happy having extra money to pay all expenses earlier then expected to start the new year. I recommend this company for your next repair service.
Sam Daniel
Sam Daniel
Oct 19, 2021
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Brian and Blue Diamond are seriously a Godsend. We recently moved to San Diego, and our new home had started having issues with one of our AC units. We looked around and found Blue Diamond. They came out quickly, and explained our options. They treated us professionally when explaining the situation and what options.
Based on how professional and respectful they were, we ordered a new unit, and they redid the duct work. In less than a week we had a fully functional unit, with new ducts. Reclaimed space by moving the unit to the attic.
Best of all, our energy bill was around $500/month. With this
Sdflipper
Sdflipper
Sep 20, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness
Awesome service, explained issues, up front and honest. How often can you say this? Not, very often, so very happy to have found them. Thanks Kevin Myers, great referral, appreciate businesses who share excellent competitors. Thank you Donovan, excellent service.
Services: Installation, AC maintenance
George Maglaras
George Maglaras
Sep 02, 2021
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Brian arrived on a Saturday. He quickly discovered the problem. He gave me two options for repair. The cheaper option vs long term option. I chose the long term option and he went to work. He completed the repair quickly and cleaned the entire unit. No extra fee for a Saturday service call. I would highly recommend his company. I chose the company as it was local and had great reviews. Thanks for the Great Job Brian.