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High Performance Heating & Air vs Mdb Same Day Hvac
Contra Costa HVAC Contractors Comparison · Updated March 2026
High Performance Heating & Air brings 23 years of licensing versus Mdb Same Day Hvac's 6 years, with notably more consistent service feedback.
| High Performance Heating & Air | Mdb Same Day Hvac | |
|---|---|---|
| Rating | ★ 5.0 | ★ 3.8 |
| Years Licensed | 23 years | 6 years |
| License # | 821099 | 1057681 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | Antioch, CA |
| Website | highperformanceheatingandairconditioning.com | mdbsamedayhvacinc.com |
Key Differences
What Customers Say
High Performance Heating & Air
Customers consistently praise thorough diagnostics, transparent pricing, and educational approach, with multiple cases of successful repairs after other contractors recommended expensive replacements.
Mdb Same Day Hvac
Feedback shows quick response times and professional technicians but reveals inconsistency with some customers experiencing scheduling difficulties and communication breakdowns.
Key Takeaway: High Performance demonstrates consistent service quality across customer interactions while Mdb shows variability suggesting less predictable service experiences.
Customer Reviews
High Performance Heating & Air
My heater had intermittent problems with shutting down arbitrarily and not heating to the setting temperature. High performance Heating and Air showed up within 24 hours of my phone call. Patiently ex...
Very knowledgeable and trustworthy. I appreciate that he even tries to diagnose your problem and give you a few possible quick-fix options over the phone before scheduling a repair call. Will definite...
What immediately stands out about John is his immense depth and breadth of HVAC knowledge, his ability to recommend the right sized solution considering various factors, and his willingness to thoroug...
Mdb Same Day Hvac
The service that I just received was so excellent they were so professional on time had a solution for my every problem received all brand new parts received a new AC unit through this company a new h...
Mario did amazing job in my home He replaced the mini splite system and did great job Highly recommend to contact him for hvac services
Mario has been my HVAC maintenance technician since 2008 good prcices and always on time no complaints so far thanks Mario !
Consider High Performance Heating & Air if...
- ✓ Your HVAC system is older than 15 years and may have complex or hard-to-diagnose issues requiring deep technical expertise
- ✓ You've received expensive replacement quotes from other contractors and want a second opinion focused on repair possibilities
- ✓ You value customer education and want to understand your system's operation and maintenance needs
- ✓ Service consistency and transparent pricing matter more to you than same-day arrival
Consider Mdb Same Day Hvac if...
- ✓ You need immediate service during a system failure and prioritize the fastest possible response time
- ✓ Your HVAC equipment is relatively new with straightforward repair needs
- ✓ You're comfortable navigating potential scheduling variability in exchange for speed-focused service
- ✓ You're located closer to Antioch and want a contractor based in your immediate area
Questions to Ask Before Hiring
- → Ask Mdb Same Day Hvac specifically about their process for ensuring consistent communication and scheduling reliability given the mixed feedback patterns
- → Request references from High Performance for projects involving equipment similar in age and type to yours, particularly if you have older systems
- → Ask both contractors about their diagnostic process before recommending replacement versus repair, and whether phone consultations are available
- → Inquire about current scheduling availability and typical response times for non-emergency service calls
The Bottom Line
High Performance Heating & Air is the stronger choice for most homeowners in this comparison. The 23-year track record, consistent feedback emphasizing diagnostic expertise and transparent pricing, and pattern of successfully repairing systems other contractors wanted to replace demonstrates reliable value. Mdb Same Day Hvac offers speed advantages and may work well for straightforward repairs on newer equipment, but the mixed feedback on service consistency introduces risk you shouldn't accept unless immediate response time is your overriding priority. For complex diagnostics, older equipment, or situations where you need confidence in the assessment, High Performance's veteran experience and proven consistency make it the safer bet.
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Frequently Asked Questions
Yes, particularly for older systems or intermittent problems. High Performance's 23 years means extensive exposure to legacy equipment, discontinued parts sourcing, and pattern recognition for unusual failures. Customer feedback shows this translates to successful repairs where other contractors recommended replacement. For straightforward repairs on newer equipment, the gap matters less.
Yes, customer feedback indicates High Performance provides same-day and next-day service even during peak demand periods like heat waves. The difference is Mdb positions speed as a core brand promise, while High Performance emphasizes thorough diagnostics. Both can respond quickly, but their service philosophies differ.
The reviews suggest variability in scheduling reliability and communication across different customer interactions, which sometimes occurs with faster-growing companies or those emphasizing speed over process consistency. Ask Mdb directly about their quality control measures and how they ensure consistent service delivery across all technicians and jobs.
Customer feedback suggests the opposite—multiple people mention choosing High Performance after expensive quotes elsewhere, then getting successful repairs at significantly lower costs. The thorough diagnostic approach appears to result in accurate problem identification rather than unnecessary replacements. Ask both contractors for detailed written estimates before authorizing work.
Looking for the Best?
See our ranked list of top hvac contractors in Contra Costa.
Other Contra Costa HVAC Contractors Comparisons
Hassler Heating And Air Conditioning
★ 4.9
High Performance Heating & Air
★ 5.0
California Heating And Cooling
★ 4.7
High Performance Heating & Air
★ 5.0
Contra Costa Climate Control
★ 5.0
High Performance Heating & Air
★ 5.0
Got Watts?
★ 4.9
High Performance Heating & Air
★ 5.0
How We Compare Contractors
License Verification
All license data is sourced from official California CSLB records and verified regularly.
Review Analysis
Customer reviews are aggregated from Google and analyzed to identify patterns in service quality.
Detailed Comparison
We analyze credentials, insurance, experience, and feedback to highlight meaningful differences.
Not all licensed contractors are created equal. While a valid license is the baseline requirement in California, contractors can vary significantly in experience, insurance coverage, and customer satisfaction.
- Experience matters: A contractor with 15+ years of experience has likely encountered and solved problems that newer contractors haven't faced yet.
- Workers' compensation protects you: If a contractor without workers' comp insurance has an employee injured on your property, you could be held liable.
- Reviews reveal patterns: Individual reviews can be misleading, but patterns across many reviews often reveal a contractor's true strengths and weaknesses.
- Bond amounts vary: A contractor's bond provides financial protection if they fail to complete work as agreed. Higher bonds offer more protection.
Taking time to compare contractors on these factors can save you from costly mistakes and help ensure your project is completed by a qualified professional.
Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified March 13, 2026.
This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.
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