Virginia & Maryland Heating, Air Conditioning & Plumbing
    • 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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    • How to Keep Your Home Cool Without Spending a Fortune

      With rising electrical costs, we are all looking for ways to cut back. Your air conditioner is one of the greatest power consumers in your home, and a significant portion of your electrical bill can ...

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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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    • Schedule Your Annual Heater Maintenance in the Fall

      When Is the Best Time to Schedule Heater or Furnace Maintenance? The best time to schedule heater maintenance is in the fall. After sitting largely unused for months, your heater not only needs a ...

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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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    • 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 ...

      Read More
    • How Heat Pumps Keep your Home Cool in the Summer

      Do Heat Pumps Work in Hot Weather? Perhaps due to the word “heat” in their name, many people are confused regarding what heat pumps are, how they work, and whether they provide both heat and cooling. ...

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    • How to Keep Your Home Cool Without Spending a Fortune

      With rising electrical costs, we are all looking for ways to cut back. Your air conditioner is one of the greatest power consumers in your home, and a significant portion of your electrical bill can ...

      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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    • Remodeling 101: Why Is Moving Plumbing So Expensive?

      If you've ever remodeled a kitchen or bathroom, you've probably wondered why moving a plumbing line is as expensive as it is. From the added labor and material costs to situations where existing ...

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    • Do I Really Need a Sump Pump?

      If you have a basement or crawlspace, you may have heard the recommendation that you need to install a sump pump. Indeed, some people go so far as to recommend that all homes need a sump pump. When it ...

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    • Plumbing 101: 5 Things Every Homeowner Should Know

      How often do you think about your plumbing system? Probably not very often. Unless there's a problem, we tend to take our plumbing for granted. We just assume it'll work when we need it to. When it ...

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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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    • 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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    • Tips to Keep Your Garbage Disposal Running Smoothly

      How Long Do Garbage Disposals Last? Your garbage disposal is designed to take food waste and grind it up before it runs down your drain and into your sewer line. As such, it is an important kitchen ...

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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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    • 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 ...

      Read More
    • 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 ...

      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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