M-23 Mechanical Systems is an HVAC service provider located in Danville, serving the East Bay area. The company specializes in heating, ventilation, and air conditioning systems. More information is available at m-23.com.
Why pick M-23 Mechanical Systems
What stands out
5★ average rating
Consistently excellent work across 2 reviews.
Set business hours
Clear availability — no phone tag.
Vetted on FindServices
A screened heating & cooling pro serving Danville & the East Bay.
Address3470 Fostoria Way Ste D, Danville, CA 94526, USA
HoursMonday: 7:00 AM – 4:30 PM Tuesday: 7:00 AM – 4:30 PM Wednesday: 7:00 AM – 4:30 PM Thursday: 7:00 AM – 4:30 PM Friday: 7:00 AM – 4:30 PM Saturday: Closed Sunday: Closed
Service areaDanville, East Bay
StatusUnclaimed
What customers say
Recent reviews
Truong Phu Vu2 years ago
Reliable and Efficient HVAC Service
We recently chose M-23 mechanical systems for our office HVAC installation. They were punctual and professional throughout the process. While some projects have their minor challenges, the team communicated effectively and resolved issues quickly, they always kept us well-informed along the way. They also made sure everything ran smoothly and efficiently which was very impressive. I'd recommend them for their solid service and reliability.
Umee3 weeks ago
Thank you for the help getting my system back up running better than before! The people are great workers and they take really good care of what needed to be done and did more extra work was very appreciated and kind! Their business model let me feel they can be trusted because they have very strong trustworthy customer service with fast to act and get things done.
M-23 Mechanical Systems does not publish prices on this listing, and costs vary with the size and condition of the job. The reliable way to find out is to ask for a written quote on +1 925-730-9020.
Is M-23 Mechanical Systems open on weekends?
No — M-23 Mechanical Systems is closed at weekends according to its published hours.
What are M-23 Mechanical Systems's opening hours?
Published hours are: Monday: 7:00 AM – 4:30 PM
Tuesday: 7:00 AM – 4:30 PM
Wednesday: 7:00 AM – 4:30 PM
Thursday: 7:00 AM – 4:30 PM
Friday: 7:00 AM – 4:30 PM
Saturday: Closed
Sunday: Closed
How do I get a quote from M-23 Mechanical Systems?
Call +1 925-730-9020 or visit m-23.com. Describe the job and ask for the quote in writing before work starts.
How is M-23 Mechanical Systems rated?
5.0 out of 5 across 2 Google reviews. Ratings are sourced from Google, not from FindServices.ai.
Is M-23 Mechanical Systems licensed and insured?
This listing has not been claimed by its owner, so licence and insurance details have not been supplied. Ask for the licence number and a certificate of insurance before booking, and check it against the California CSLB register.