Trust & Licensing
Licensing, insurance, bonding, BBB record, and verified credentials.


Licensing, insurance, bonding, BBB record, and verified credentials.
Website quality, page speed, structured data, and Google profile completeness.
Ratings, review volume, recency, owner responsiveness, and sentiment.
Transparency, financing options, and what customers say about cost.
Warranties, guarantees, emergency service, certifications, and customer care.
Technical site fundamentals — Core Web Vitals, semantic HTML, sitemap, canonical URLs, Open Graph + Twitter Card metadata, content freshness, named services.
How well your site is structured for AI search engines to read and recommend — LocalBusiness + Review + FAQ + Service/Product schemas, llms.txt, NAP consistency.
Duct Dynasty Heating & Air is viewed as fair and competitive on pricing. Reviewers consistently highlight fast response times. A few mention quality concerns.
I was referred to Brian by a friend. His team did a complete HVAC system overhaul replacing 95% of our ductwork and creating a two zone heat pump system. His team did a great job, was very considerate and polite and…
Extremely prompt, communicative, and responsive during all phases of preliminary analysis, bidding, construction, and post-job follow-up of a full HVAC replacement in our home. Very reasonably priced. Workers were w…
These guys are the real deal. If your HVAC needs a repair, they will show up to diagnose and repair it -- not to upsell you a new system. Although I am certain, they are completely qualified to install a new system.…
TradeScore ratings are generated algorithmically from publicly available data including California CSLB license records, Better Business Bureau filings, Google Business Profile data, and automated website analysis. Scores reflect the data available at the time of scoring (see date above) and are updated periodically. Scores are informational tools designed to help homeowners research contractors. They are not endorsements, guarantees of work quality, or recommendations to hire or avoid any contractor. Data accuracy depends on public sources and may not reflect recent changes. If you are a contractor and believe your information is inaccurate, visit tradesadvisory.com/dispute to request a review. See our full Terms of Service for details.