We’re so excited about the publication of our 2015 Diamond Certified Directory! (If you haven’t received your FREE copy in the mail yet, click here.) The 11 county-specific versions began arriving in Bay Area mailboxes last month, and the response has been great. “It arrived the same day that a tree fell in my yard,” writes Louisa K. in Albany. “I found a tree service professional who came out right away.” Calvin G. in Palo Alto keeps the Diamond Certified Digital Directory on his smartphone so he can always find a quality service provider, and Cassandra C. from San Francisco says, “I love the directory. I don’t trust anybody but Diamond Certified to work on my house.”

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Temperature regulation and air quality are key concerns in any indoor environment, which is why, in addition to keeping your home’s heating and cooling systems functional, you’ll want them working as efficiently as possible. We’ve asked five Diamond Certified Expert Contributors to share their tips on basic HVAC maintenance and troubleshooting. Read more

With the hustle and bustle of everyday life, it’s not surprising that our vehicles often get taken for granted. However, considering the vital role they play in our daily routines, ongoing vehicle maintenance should be a top priority. Fortunately, most aspects of maintenance are fairly simple and, in many cases, can be performed independently. Take a minute to review these car care tips from five Diamond Certified Expert Contributors. Read more

While it’s smart to be proactive about indoor home maintenance, keeping up with your exterior property is equally important. We asked four Diamond Certified Expert Contributors to weigh in on aspects of landscaping where maintenance matters most. Read more

John Maynard Keynes got it wrong, at least according to Elizabeth Kolbert. Read more

Plumbing has been part of human civilization for a long time—even ancient Rome had sophisticated systems to facilitate water delivery and waste disposal. And while plumbing technology has continuously advanced over the years, development has never occurred more rapidly than in recent decades. Modern innovations have brought improvements in terms of energy efficiency and water usage, which in turn have created solutions to age-old problems. We asked four Diamond Certified Expert Contributors to talk about some of these plumbing innovations and how they can benefit today’s consumers. Read more

Let’s face it: in this day and age, a vehicle is more than just a means of transportation—it’s an investment, and a substantial one at that. From the price of engine repair and body work to ongoing fuel and insurance costs, owning a vehicle constitutes a major financial obligation, which is all the more reason to be proactive about maintenance. With this in mind, we asked five Diamond Certified Expert Contributors to weigh in on key areas where maintenance matters most. Read more