Virginia & Maryland Heating, Air Conditioning & Plumbing
    • How Do I Prepare My HVAC System for Spring?

      How Do I Prepare My HVAC System for Spring? Four Tips to Help You Get Your AC Ready for Spring This year, the spring equinox falls on March 20, marking the first day of spring. As we all look forward ...

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    • When Is the Best Time to Replace Your AC?

      How Long Do AC Systems Last? Ideally, you won’t have to deal with an air conditioning replacement for well over a decade. If well-maintained, modern AC systems will last for around 15-20 years. Older ...

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    • What to Do If Your AC Goes Out During the Summer

      Tips for Keeping Cool When Your AC Goes Out The last thing you want is to be left without an air conditioner in the middle of the summer. In addition to rising temperatures, the humidity we experience ...

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    • Are Dehumidifiers Worth the Investment?

      Summers in Virginia and Maryland get extremely humid. Humidity is a major contributing factor to discomfort in our homes. In fact, increasing humidity in your home is a common tip for making your home ...

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    • Is Poor Indoor Air Quality Making You Sick?

      In the wake of the COVID-19 pandemic, many people ask what they can do to make their homes safer and healthier. Consequently, indoor air quality has become a large concern now that we know that ...

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    • How to Fight the Summer Humidity

      Tips and Tricks to Help You Stay Comfortable in Any Humidity Summer heat alone can be bad enough, but when it comes with high humidity, it can make your whole family extremely uncomfortable, even with ...

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  • DIY
    • Fall Plumbing Maintenance

      Preparing Your Pipes for the Colder Months The fall months are a great time to make sure your home is prepared for the winter. That means making sure your heater is ready to go, bringing out the ...

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    • Is Your Thermostat Accurate?

      Make Sure Your HVAC System Knows What’s Going on in Your Home Your thermostat is the control center for your entire heating and cooling system. If it’s not able to accurately read the temperature ...

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    • 7 Ways to Warm Up Your Home This Winter

      With snow and rain constantly in the forecast this time of year, your home should be the ultimate respite. We’re sharing some tips and tricks you can use that will keep you warm all winter long. Keep ...

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    • How Your HVAC System Can Contribute to Fall Allergies

      With fall fully underway, you have probably already adjusted your HVAC usage to fit with the season. However, as the weather gets colder and you use your AC unit less and your furnace or other heating ...

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    • Four Common Problems With Your Ductwork

      Picture this: it’s a blistering summer day, you fire up your air conditioner to get rid of the stuffiness in your home, and you hear your system set to work. However, a couple of hours pass and your ...

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    • How to Improve the Efficiency of Your Heating System

      How to Improve the Efficiency of Your Heating System Are Your Heating Bills Going Up? With February being one of the coldest months of the year, we anxiously await spring. After months of running our ...

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    • Troubleshooting Tips: What to Do When Your Heater Goes Out

      What Happens When Your Heater Stops Working in the Middle of Winter? The winters in Virginia and Maryland can get incredibly cold. The last thing you want to deal with is a problem with your furnace. ...

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    • Debunking 3 Common Myths About Heat Pumps

      Heat pumps are becoming increasingly popular, and consequently, there are many questions about how these systems work and whether they are worth the investment. While there is a lot of good ...

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    • How Do I Prepare My HVAC System for Spring?

      How Do I Prepare My HVAC System for Spring? Four Tips to Help You Get Your AC Ready for Spring This year, the spring equinox falls on March 20, marking the first day of spring. As we all look forward ...

      Read More
    • New Year, New HVAC Tips for Optimal Performance

      During this time of year, you may often hear people exclaim, “New year, new me!” While a new year doesn’t mean you’ve inherently changed who you are, you can change your habits and start making plans ...

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    • Tips for Getting the Most Out of Your Smart Thermostat

      More and more people are installing smart thermostats in their homes. In addition to making your life easier, smart thermostats offer consumers flexible solutions for their heating and cooling needs ...

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    • How to Get Your Plumbing System Ready for Fall

      Fall is officially here, and while that may signal different things to many people (Halloween is just around the corner, football season is in full swing, it’s time to drink copious amounts of pumpkin ...

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    • Donmar Heating, Cooling & Plumbing Receives Carrier’s 2019 President’s Award!

      At Donmar Heating, Cooling & Plumbing, we’ve always sought to be the company who exemplifies the best in workmanship, friendliness, and customer service. For more than 30 years, we’ve developed a ...

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    • Donmar Company Heating & Cooling Selected for 2017 President's Award

      Donmar Company Heating & Cooling is proud to share our latest accomplishment. Carrier, one of the leading and most widely known brands of home services appliances—from heaters, air conditioners, and ...

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    • 3 Important FAQs About Sump Pumps

      3 Important FAQs About Sump Pumps Do You Really Need a Sump Pump? Perhaps the most frequently asked question about sump pumps is whether or not a customer actually needs one. Sump pumps are incredibly ...

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    • Faucets 101: How to Choose the Right Faucets for Your Home

      Whether you’re remodeling your kitchen or replacing a broken bathroom faucet, you have a lot of options. The number of makes and models on the market can be overwhelming, even when you think you know ...

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    • Preparing Your Plumbing System for Winter

      The last thing you want to deal with is frozen plumbing. January and February tend to be the coldest months in Virginia and Maryland, and this is the period in which we receive the most repair calls ...

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    • Tips for Getting the Most Out of Your Smart Thermostat

      More and more people are installing smart thermostats in their homes. In addition to making your life easier, smart thermostats offer consumers flexible solutions for their heating and cooling needs ...

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    • How to Program Your Smart Thermostat for Maximum Energy-Efficiency

      Make the Most of Your Smart Technology As technology advances, more and more households are incorporating “smart” technology into their homes. One of the most popular and accessible smart devices is ...

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    • Is Your Thermostat Costing You Money?

      How Old and Misused Thermostats can Create Higher Utility Bills We spend a lot of time and money making sure that our HVAC equipment is working effectively and efficiently. After all, a fully ...

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    • How Do I Prepare My HVAC System for Spring?

      How Do I Prepare My HVAC System for Spring? Four Tips to Help You Get Your AC Ready for Spring This year, the spring equinox falls on March 20, marking the first day of spring. As we all look forward ...

      Read More
    • New Year, New HVAC Tips for Optimal Performance

      During this time of year, you may often hear people exclaim, “New year, new me!” While a new year doesn’t mean you’ve inherently changed who you are, you can change your habits and start making plans ...

      Read More
    • Faucets 101: How to Choose the Right Faucets for Your Home

      Whether you’re remodeling your kitchen or replacing a broken bathroom faucet, you have a lot of options. The number of makes and models on the market can be overwhelming, even when you think you know ...

      Read More
    • Water Heater FAQs: Why Won’t My Water Get Hot & More

      Water Heater FAQs: Why Won’t My Water Get Hot & More When You Have Questions, We Have Answers While you rely on your water heater every day, you probably don’t know a lot about how it works. That’s ...

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    • What Size Water Tank Do I Need?

      If your water heater needs to be replaced, you will need to consider what size tank to purchase. This consideration is important because getting a tank that’s too small can mean running out of hot ...

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    • Water Heaters 101: What are the Signs of a Water Heater Problem

      Our water heater is one of the most essential appliances in our homes. Without a functioning water heater, your day-to-day activities become almost impossible. From showering to laundry to dishes, you ...

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