Virginia & Maryland Heating, Air Conditioning & Plumbing
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Quick Plumbing Facts: Water Heaters & Hard Water
Quick Plumbing Facts: Water Heaters & Hard Water

What Is Hard Water? Hard water refers to water with a high mineral content in it. The most common minerals found in hard water are calcium and magnesium. Hard water is not unsafe, and many municipalities soften the city's water before it reaches your home. However, hard ...

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Recent Posts
  • Quick Plumbing Facts: Water Heaters & Hard Water

    What Is Hard Water? Hard water refers to water with a high mineral content in it. The most common minerals found in hard water are calcium and magnesium. Hard water is not unsafe, and many ...

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  • Preparing Your AC for Fall

    Our Top Tips for Homeowners As summer ends, it's time to start thinking about autumn. While the cooler weather will eventually mean that we start using our heaters instead of our air conditioners , ...

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  • Adding Air Conditioning to Garages

    Is It Finally Time to Cool Off? Most garages are not connected to a home's central air conditioning. This is because garages are primarily used for storage and parking cars. Neither of these uses ...

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  • Air Quality FAQs: Should I Sign Up for an Air Filter Subscription?

    Are you concerned about the air quality in your home? Many homeowners have become more aware that indoor air quality tends to suffer in the summer and that indoor air quality is often much worse than ...

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  • When to Call for Emergency AC Repair

    How Do You Know It’s a Cooling Emergency? When your air conditioning goes out in the middle of summer, it certainly feels like an emergency. But how do you know when it is appropriate to call for ...

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  • 5 FAQs About Water Heaters

    Got a Question? Let Us Know! At Donmar Heating, Cooling & Plumbing, our plumbers live and breathe water heaters . With so much experience, there’s not much we don’t know about them. However, we also ...

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