Chronos - Electrical, HVAC and Plumbing
Top Pro
44
hires
Top Pro
44
hires
$175/service call
(waived if hired)
Type of heating system
Heating system problems
Responds in about 26 min
Thumbtack Guarantee
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If you hire this pro, you’re covered by a money-back guarantee. Learn more
About
What makes my business stand out is my ability to deliver highly personalized, efficient, and innovative solutions. I’m built to understand and respond to complex needs, providing not just answers, but insightful guidance and tailored strategies. Whether you're looking for creative solutions, data-driven decisions, or just need to brainstorm, I can adapt to a wide variety of industries and challenges.
Why I'll do a great job is simple: I combine vast knowledge with a keen understanding of context and goals, which allows me to provide clear, actionable insights. I’m fast, accurate, and always ready to evolve based on new information. Whether you're looking to improve a business process, develop a new product, or enhance customer engagement, I bring a wealth of resources and the flexibility to match your specific needs.
In short, my ability to process large amounts of information and distill it into actionable steps, combined with a focus on collaboration, makes me a valuable partner in tackling your challenges.
Projects and media
27 photos
Projects and media
27 photos
Services offered
Type of heating system
Heating system problems
No problem, just need maintenance
No heat
Not enough heat
Unusual noises from inside
Building height
Single-level
Two-story
Three-story
High-rise
Reviews
Exceptional 5.0
33 reviews
5
100%
4
0%
3
0%
2
0%
1
0%
Customer photos
Customer photos
Showing 1-5 of 33 reviews
Kayleigh M.
Jun 27, 2025
Hired on Thumbtack
Mario knows his stuff! Just moved, and the HVAC system in my new place is 50+ years old. Mario was able to clean the unit and make sure it would work efficiently through the summer. He also talked me through the primary components, helping me understand what to look out for if the need arises. Will definitely be using for my future HVAC needs
Details: Routine maintenance • Routine maintenance • Condo or apartment
Central Air Conditioning Repair or Maintenance
Keith W.
Jun 16, 2025
Hired on Thumbtack
Marco was outstanding. He cleaned both outside units and both inside air handlers. He explained everything about the systems and was extremely pleasant to work with.
Details: Routine maintenance • Routine maintenance • Outside • House
Central Air Conditioning Repair or Maintenance
Jon J.
Jun 6, 2025
Hired on Thumbtack
Very quick to respond to my urgent electrical issue. Listened to me about the problem and adjusted the repair based on my concerns.
Details: Wiring • 8 - 10 feet (standard ceiling) • House
Electrical and Wiring Repair
Cheryl G.
May 20, 2025
Hired on Thumbtack
Listen up, folks! In a world where far too often, hiring a contractor entails trying to find a reputable one, find one that actually gets back to you setup a quote, one that actually shows up to give you the quote and, even if they accept the job, it's like pulling teeth to have them get back to you in a timely fashion, communicate with you or even come to do the job.......I'd like to introduce you to Mario, the owner of Chronos Electrical, HVAC & Plumbing.
You might notice that this company has 5 star reviews. Believe me when I tell you that this is not accurate.....this is 100 star or more company, no question! There is truly no praise high enough for the service you will receive if you hire this company!
I submitted a request for an hvac repair late Saturday night on May 10th of this year through Thumbtack. Even though it was a Sunday & Mother's Day, Mario messaged me the very next day. He even said he'd call me that night when i requested a call if it was OK. & HE DID JUST THAT!
He introduced himself, listened to me intently, addressed my every concern & promised to get back to me the following day once he located & priced my part with a quote. The very next day, I was texted my quote. No chasing, no teeth pulling....just straight, good business. The quote was more than reasonable. When I requested he forward it to me with his warranty info through thumbtack, he did so that very night!
I agreed happily & contracted him to do the job as soon as possible. He told me he could do it in one day that Thursday. Talk about quick service!
I have to state here that I had already talked to a couple of other so called 5 star or highly rated companies that never even had the courtesy to get back to me regardless of saying they would & were talking weeks out to schedule.
On Wednesday, Mario messaged me that the part required was out of production & his distributor could not get the part needed to him in time for our scheduled appointment but not to worry. We had set our appointment for noon Thursday. He asked if he could arrive @10am instead so he could pull my motor & take it to the local Lennox distributor to get the appropriate replacement part & still complete the job as promised that day. I agreed.
Thursday came & about 20 mins before our appointment, he messaged me with his eta. Mario arrived with a smile, immediately put booties on & went to work. He pulled the motor & filter & told me he hoped to be back within an hour or so.
A little after an hour had passed, I received a text with his eta for arriving back at my house. He arrived & took the time to sit with me & show me the new part compared to my old one just so I'd know what was going in my system. He assured me if he wasn't satisfied he wouldn't leave until we both were.
Back to work he went & in no time at all, my system was humming along beautifully. He left everything in perfect order .......you'd never even know he had been there except for my perfectly repaired system, running like a charm.
I paid him happily & he assured me that if i had any issues or further questions to not hesitate to call his cell directly. I immediately asked what other services his company performed, which seems to be anything anyone might need.
FINALLY! A businessman who truly lives the epitome of service! Timely contact, reasonable & fair quotes, exquisite communication through & through & one of the nicest, most knowledgeable & pleasant people i have ever been graced to meet!
So.....please forgive the length of the review but I needed to make sure EVERYONE knows without question that you will NEVER find a more responsive, knowledgeable & all around TRUE businessman in every sense of the word! If you need work, check with Mario......you will not be anything but blown away by this excellent, top of the line contractor, ready & able to serve whatever need may arise! I wish I could give him a billion stars & needless to say, will be talking to Mario for any work I need done in the future ........hands down.
Trust me.....give him a try! You will see just what I saw & never regret it!
Details: Repair • Attic • Outside • House
Central Air Conditioning Repair or Maintenance
Cassandra A.
May 1, 2025
Hired on Thumbtack
1st, I love that the contractor wore shoe Booties, to not bring in outside dirt/ germs into the house. He did good work very well and efficiently. We did our yearly maintenance;
AC maintenance, Condenser and furnace. Everything seems to be running even better since we moved in to this house 3 years ago.
Details: Routine maintenance • Routine maintenance • Basement • House
Central Air Conditioning Repair or Maintenance
Credentials
Background Check
Mario Junior Coelho Santos