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Fair ~ Fast ~ Friendly

General Info
With over 50 years of combined industry experience, Cornerstone works to earn your satisfaction at every project phase. To schedule emergency repairs, discuss residential and commercial HVAC or Plumbing services, or request a project estimate, dial 813.949.4445 or fill out our brief online form. A representative will be in touch promptly!

Regular Hours

Extra Phones

Phone: (813) 929-4445

Air conditioning, Heating, Plumbing sales service installation. 24/7 emergency service. New A/C system Installation, Water heaters, water purification, fixture installation, re-pipes, A/C repair, Heating Repair
Lennox Daikin Trane Rheem American Standard
Payment method
all major credit cards, debit
Air Conditioning Contractors & Systems, Heating Contractors & Specialties
Other Information

Services: Air conditioning, Heating, Plumbing sales service installation. 24/7 emergency service. New A/C system Installation, Water heaters, water purification, fixture installation, re-pipes, A/C repair, Heating Repair

Free Estimates: Yes

Emergency Service: Yes



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Provided by Citysearch - 
Best deal in town with great customer service!

I talked to 4 other Heating & Air companies and was offered the best cost to value proposal from Cornerstone. The others were very good but Cornerstone heating and Air gave me a great deal. They were a pleasure to work with and completed the job on time. The next day I had a question for them, and they returned my call immediatly. This is a company that is customer driven and knows how to treat them right.



Provided by Citysearch - 

Hi,\nI could not register on your page to give feedback, so I thought I would give this address a try. Briefly, I had a nonfunctioning (non-cooling) split unit in Brandon about two weeks ago. I called one of your competitors, (initials O.H.A) and they sent a technician that evening. His only solution to my problem was complete system replacement, and he would have it done that very night. After speaking with my wife we decided to get a second opinion, as his prices seemed high. We called you the next day, and received an appointment later in the day. Not only was your tech, Chris personable and informative, but also HONEST! He was able to replace a dead capacitor and a fan motor for a fraction of the cost of the ""Big Guys"", but also explained my several options, as my unit is, truthfully coming towards the end of its service life. In closing, I'll say that your service was head and shoulders above the others, your honesty was a breath of fresh air, and when the time comes, I will only do business with Cornerstone when its time to replace my system. \n \nThank you Cornerstone and thank you Chris. You are a credit to the business community.\n \nSincerely,\nRon Parker



Provided by Citysearch - 
Extremely Dishonest

Absolutely crooked. Each technician seems forced to suck money out of you. They will quote some of the most ridiculous amounts hoping you do not know what you are doing. Do your homework then call around for quotes. Just do not call these Jokers.



Provided by Citysearch - 
Cornerstone air conditioning

It's all about sales and service! I had quotes from Cornerstone and a competitor. Both were very similar. Cornerstone's quote was a few dollars more then the competitor but Cornerstone won my bid because of James' knowledge of his product and his enthusiasm to answer all my questions. My house lacked adequate air return and he knew exactly what needed to be done to make up the difference. Installation of the new unit was done by AJ & Matt in one day. They were very professional in their work, keeping to the task until it was finished and I was satisfied with the final product. I asked many technical questions which they answered with ease and knowledge one gets only from being well trained and versed in their craft.\nI am very impressed with what I have seen from Cornerstone and expect they will be my a/c company of choice for years to come.

C Klassen


Provided by Citysearch - 
Great Experience!

I recently called them at the recommendation of a friend to repair my a/c. They were prompt, professional and quickly found the problem. During their visit, it was determined that a previous company had sold me a part I didn't even need. I plan to stick with Cornerstone and would definitely recommend them as being a GOOD, HONEST company.



Provided by Citysearch - 
Trustworthy and Helpful

We've been using Cornerstone AC for a few years now and I can honestly say that they are a great organization. I've found them to be honest in their assessments of work that may or may not need to be done. Their service repairmen are clean, well-mannered, friendly, and make you feel comfortable around them -- they also take the time to explain the situation so that you understand what's going on. Their prices seem fair and reasonable, and they are available to assist you even in 'emergency' situations. I would recommend them to any of my family/friends - in fact I already have. Thank you.

Betty Boo


Provided by Citysearch - 
Best A/C company in the Bay Area

Had my unit installed two years ago by Cornerstone Air and have used this company a few times for tune up and issues with the AC. This company is the most reliable, professional and knowledgeable company that I have encountered in a very long time. The employees are amicable and very knowledgeable. My A/C wasn't cooling when I got home a few nights ago, I placed a call to Cornerstone Air about 7:30 pm and my call was returned within 1/2 hour; the A/C was fixed the next morning. Kudos to them.



Provided by Citysearch - 
Great Company - Honest Fair & Knowledgable

I recently had Cornerstone out to my house to fix my air conditioner they did a great job and provided a quick response to my call. The technician took the time to explain all the details to me which was so refreshing and I felt the repair price was very fair for the quality of service I received. I will recommend cornerstone to all my friends and family.



Provided by Citysearch - 
Fast Service - Great Technician

WOW!! Thank you so much for your FAST response to our A/C needs. Your service tech Chris was such a nice guy to deal with. He was very professional and helpful, he did such a great job.\nThis is a great Company to deal with, I will surely recommend to my family and friends.\n \n \nThanks Again!\n \nA HAPPY CUSTOMER\n \nSherry



Provided by Citysearch - 
Honest...dont think so!

Don?t call EVER.\nThere is nothing worse than a push company that only care about the bottom line. I was in need of some repairs and this company out of all the companies that I called was the worst?only caring what year my unit was and if I wanted to replace it ..They were very rude when I asked about repairs only and I was told that my unit needed to be replaced without them even looking at it! If you need a good A/C company or HONEST company this is not the one?..beware of this company the will rip you off and tell you that your unit can?t be repaired but in FACT I did have it repaired and NOT replaced and for thousands of dollars less then what they told me OVER THE PHONE.\n