Virginia & Maryland Heating, Air Conditioning & Plumbing
    • Is Your Air Conditioner Too Big for Your Home?

      Why Oversized HVAC Equipment is a Bad Idea The bigger your air conditioner is, the more cool air it provides, right? Wrong! Some HVAC installers may claim that an oversized unit will provide a higher ...

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    • How to Save on AC Costs This Summer

      Save Yourself the Hassle of High Utility Bills with These Simple Tricks With summer swiftly arriving to the east coast, we know that you’re preparing to face the oncoming heat. Your best weapon ...

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    • Benefits‌ ‌of‌ ‌Changing‌ ‌Your‌ AC‌ ‌Filter‌ ‌

      3 Reasons to Change Your Air Filter this Spring With Memorial Day and summer weather right around the corner, most homeowners will start using their air conditioners daily to keep their homes cool. As ...

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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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    • Benefits‌ ‌of‌ ‌Changing‌ ‌Your‌ AC‌ ‌Filter‌ ‌

      3 Reasons to Change Your Air Filter this Spring With Memorial Day and summer weather right around the corner, most homeowners will start using their air conditioners daily to keep their homes cool. As ...

      Read More
  • 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 Lower Your Heating Costs

      Did your last heating bill throw you for a loop? It can be shocking how high a heating bill can go in the dead of winter. We often run our heaters constantly without thinking. That is until the ...

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    • Should Your Winter Preparations Include a Heater Replacement?

      How to Tell When Your Heater Isn’t Prepared for the Oncoming Chill Preparing your home for winter is no small task, especially if you live in an area where snowfall and freezing temperatures are ...

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    • Is Your Home Properly Insulated?

      Keeping your home comfortable requires more than a good HVAC unit. With 42% of your utility bill going to heating and cooling your home, it is important to have support systems in place that keep hot ...

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    • How to Make Your Home a Little More Hygge This Winter

      Make Your Home Warm & Inviting Hygge is a Danish term (pronounced "hoo-gah") that roughly translates to a feeling of pleasant coziness and comfort. It has become a popular trend in the US in recent ...

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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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    • Should Your Winter Preparations Include a Heater Replacement?

      How to Tell When Your Heater Isn’t Prepared for the Oncoming Chill Preparing your home for winter is no small task, especially if you live in an area where snowfall and freezing temperatures are ...

      Read More
    • 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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    • Do Water Alarms & Smart Leak Detectors Really Work?

      Even small water leaks can cause serious damage to your home. It is also not uncommon for leaks to go undetected for an extended period of time. This is especially the case with leaks that occur ...

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    • Do I Need to Insulate My Plumbing?

      We regularly see freezing temperatures, and many homeowners are worried about frozen pipes. If your pipes freeze, they can cause serious damage, including flooding and structural damage to your home. ...

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    • Resolve to Take Care of Your Plumbing

      5 Plumbing Resolutions for 2021 In January, many homeowners start thinking about what they want to do around the house in the coming year. Now is a great time to also start thinking about how you can ...

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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 ...

      Read More
    • 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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    • 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 ...

      Read More
    • How to Lower Your Heating Costs

      Did your last heating bill throw you for a loop? It can be shocking how high a heating bill can go in the dead of winter. We often run our heaters constantly without thinking. That is until the ...

      Read More
    • How to Make Your Home a Little More Hygge This Winter

      Make Your Home Warm & Inviting Hygge is a Danish term (pronounced "hoo-gah") that roughly translates to a feeling of pleasant coziness and comfort. It has become a popular trend in the US in recent ...

      Read More
    • Resolve to Take Care of Your Plumbing

      5 Plumbing Resolutions for 2021 In January, many homeowners start thinking about what they want to do around the house in the coming year. Now is a great time to also start thinking about how you can ...

      Read More
    • 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 ...

      Read More
    • Where’s That Noise Coming From?

      Keep an Ear Open for Warning Signs Your home’s HVAC and plumbing systems are very different, both in the ways they work and in the ways they tend to malfunction. However, they have one important thing ...

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    • Should I Turn My Water Heater Up?

      Water heaters provide you with temperature-controlled water throughout the year. In general, most manufacturers recommend keeping your water heater set to 120 degrees Fahrenheit to help prevent ...

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