Donmar Company Heating, Cooling & Plumbing

Donmar Company Heating, Cooling & Plumbing For over 25 years, Donmar Heating, Cooling and Plumbing has been a top HVAC and plumbing contractor Sterling VA and Rockville MD. http://donmarcompany.com/
HVAC and Plumbing services
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Donmar Heating & Cooling has been a top HVAC contractor in the Fairfax area for over 25 years. We’ve provided service to over fourteen thousand customers over the years, and our business continues to grow primarily through referrals from satisfied home and business owners. Our business model is simple: provide excellent service at an affordable price and treat every customer with respect. Our high standards have resulted in recognition from Carrier, and we are proud to be one of their distinguished factory authorized dealer. Because every home’s heating and cooling needs are unique, we believe in presenting all available options to every customer and finding the right comfort solution for each customer.

Payment Options:   Amex Cash Discover Mastercard Visa

If there is a water leak in your home, the first thing you must do is locate the source and mitigate the damage. Read ou...
04/10/2019
4 Steps to Take if You Notice a Water Leak in Your Home

If there is a water leak in your home, the first thing you must do is locate the source and mitigate the damage. Read our blog today to learn more. https://bit.ly/2uY7Tft

Read our blog to learn how to mitigate the damage from a water leak in your home. For more information, contact our Sterling plumber at Donmar Heating, Cooling & Plumbing today.

When purchasing a home, you should always ensure that your HVAC system is above standard. Our owner, Donald Wills, was f...
03/26/2019
The 3 HVAC Questions You Should be Asking

When purchasing a home, you should always ensure that your HVAC system is above standard. Our owner, Donald Wills, was featured in an article that can help put your mind at ease. https://www.redfin.com/blog/hvac-questions/

We don’t often think about our home’s HVAC systems until something breaks. To prevent future problems, here are the HVAC questions you should be asking.

Donmar Company Heating, Cooling & Plumbing's cover photo
01/23/2019

Donmar Company Heating, Cooling & Plumbing's cover photo

Donmar Company Heating, Cooling & Plumbing
01/23/2019

Donmar Company Heating, Cooling & Plumbing

Water where? Open for $ saving coupons for plumbing services.
01/21/2019
Water where?

Water where? Open for $ saving coupons for plumbing services.

Do you ever wonder what in the the world is going on with your AC/Heating ducts? Check out our article to  find out some...
08/09/2018
Four Common Problems With Your Ductwork

Do you ever wonder what in the the world is going on with your AC/Heating ducts? Check out our article to find out some common problems!

If you're having issues with keeping your home warm or cool, but your system appears to be working properly, the issue may lie not with your system, but with the ducts that carry the air throughout your home. Read our blog to learn more!

In the year 2018, there are loads of different smart thermostats on the market, many of which all claim to be the “best”...
02/20/2018
A Guide to 2018's Most Popular Smart Thermostats | Blog

In the year 2018, there are loads of different smart thermostats on the market, many of which all claim to be the “best” available. So to help you know which ones might be right for your home, here’s a brief guide to the best smart thermostats available on the market this year.

A Guide to 2018's Most Popular Smart Thermostats: A blog post provided by our Virginia and Maryland HVAC experts. If you have questions, call today for more information.

What if there were ways you could spend less money on energy without having to sacrifice your own comfort? Turns out, yo...
02/20/2018
How to Keep Your Home Warm Without Using Your Heater | Blog

What if there were ways you could spend less money on energy without having to sacrifice your own comfort? Turns out, you can and it’s not nearly as difficult as you might think. Here are a few tips you can follow that will keep you warm in your own home without having to use your heater.

How to Keep Your Home Warm Without Using Your Heater: A blog post provided by our Virginia and Maryland HVAC experts. If you have questions, call today for more information.

“Wait, what do you mean my heater’s frozen? How is that possible?” We receive this question from homeowners on occasion,...
01/16/2018
Why Can My Heater Freeze? | Blog

“Wait, what do you mean my heater’s frozen? How is that possible?” We receive this question from homeowners on occasion, often after they’ve contacted us to inspect their heater after it’s seized up and stopped working in the middle of cold stretch of winter weather. While it may seem more than a little silly to imagine that something that’s supposed to generate heat and keep you warm has literally frozen over, the truth it it’s both possible and a pretty large threat during winter months.

Why Can My Heater Freeze?: A blog post provided by our Virginia and Maryland HVAC experts. If you have questions, call today for more information.

If you notice that your home’s water supply is taking a long time to heat up, it may be time to raise the temperature of...
12/19/2017
Should I Turn My Water Heater Up?

If you notice that your home’s water supply is taking a long time to heat up, it may be time to raise the temperature of your water heater. Learn more about water heater efficiency during the winter in our blog: http://bit.ly/2oTDEpR

During the winter, you may need to turn your water heater up to improve its efficiency. Check out our blog for more information.

If you suffer from allergies, you have something in common with millions of Americans- but if you’re concerned about you...
12/08/2017
7 Ways To Improve Your Indoor Air Quality | Blog

If you suffer from allergies, you have something in common with millions of Americans- but if you’re concerned about your health, you may stand out from the rest of the country. Find out how to improve Indoor Air Quality and stop the itchy eyes by reading our blog.

7 Ways To Improve Your Indoor Air Quality: A blog post provided by our Virginia and Maryland HVAC experts. If you have questions, call today for more information.

Let’s face it- we can’t beat humidity outdoors. However, there are ways to keep your in-home humidity at an all-time low...
12/08/2017
Five Ways to Lower In-Home Humidity | Blog

Let’s face it- we can’t beat humidity outdoors. However, there are ways to keep your in-home humidity at an all-time low! Beat the annoyance and the heat by reading five ways to lower in-home humidity.

Five Ways to Lower In-Home Humidity: A blog post provided by our Virginia and Maryland HVAC experts. If you have questions, call today for more information.

Take these extra precautions to ensure that your furnace doesn’t break down in the frosty climate:
12/08/2017
How to Prepare Your Furnace for Winter | Blog

Take these extra precautions to ensure that your furnace doesn’t break down in the frosty climate:

How to Prepare Your Furnace for Winter: A blog post provided by our Virginia and Maryland HVAC experts. If you have questions, call today for more information.

12/02/2017

Hello December. Make sure you have a clean furnace filter! Feeling a little dry? A central humidifier can help that.

If you’re looking to replace your old or broken-down furnace, you’ll get to choose between either a standard-efficiency ...
11/10/2017
goo.gl

If you’re looking to replace your old or broken-down furnace, you’ll get to choose between either a standard-efficiency or high-efficiency unit. Our latest blog explains the differences and similarities between them to help you make an educated purchasing decision.

An air purifier offers a number of benefits. Read about them by clicking here:
10/26/2017
What Are the Benefits of an Air Purifier?

An air purifier offers a number of benefits. Read about them by clicking here:

Air purifiers are an effective way to promote clean air quality in your residential or commercial space. Using internal fans, air purifiers remove dust, pollen, and bacteria from your air, circulating purer air back into the room.

Is it time for a furnace check-up? Find out by reading our blog:
10/18/2017
Time for a Furnace Check-Up!

Is it time for a furnace check-up? Find out by reading our blog:

If you are a homeowner with a furnace, you know just how important it is to ensure it is in good shape before winter rolls around. Maintaining your furnace is important--prevention is the ultimate form of protection, saving you time and money in the long run.

Read our blog on how to know when it is time to replace your indoor or outdoor unit by clicking here:
10/17/2017
When Is It Time to Replace My Indoor or Outdoor Unit?

Read our blog on how to know when it is time to replace your indoor or outdoor unit by clicking here:

When you are ready to replace either your indoor or outdoor unit, you may be wondering when you should replace the other. In fact, you may have heard from a trusted Virginia HVAC technician that it is best to replace both at the same time, but you may be hesitant to do so because it is a costly proj...

Do you know what makes your AC filter so dirty? Click here to find out:
10/16/2017
What Makes the AC Filter So Dirty?

Do you know what makes your AC filter so dirty? Click here to find out:

AC filters tend to get dirty quickly, forcing homeowners to replace them at a consistent level. As a result, it can be frustrating to find yourself changing your AC filter faster than you might expect.

09/06/2017

Have you turned on your furnace lately? Make sure it is safe and ready for cooler temps ahead!

Are your utility bills much higher than normal, but your home does not feel any warmer? This is probably because your ce...
03/17/2017
Why is My Heating Bill So High? | Blog

Are your utility bills much higher than normal, but your home does not feel any warmer? This is probably because your central heating system needs to work harder to maintain a constant temperature thanks to a number of heat leaks throughout your home. On this blog, we look at some common spots for heat leaks and how to fix them.

If your utility bills are abnormally high during the winter, your home is likely leaking warm air. Our Northern Virginia HVAC blog explores ways to lower your bills.

Woah, not so fast says Old Man Winter!
03/15/2017

Woah, not so fast says Old Man Winter!

A water heater issue can not only be a serious inconvenience, but can cause major damage to your home if it involves a l...
01/19/2017
Signs it's Time to Replace Your Water Heater | Blog

A water heater issue can not only be a serious inconvenience, but can cause major damage to your home if it involves a leak or burst. Don’t find yourself in hot water—know the signs of an aging water heater and get a replacement as soon as possible if you start seeing them. Call today to learn more.

It’s possible to tell when your water heater may be about to quit on you. Don’t find yourself in hot water; follow these tips from our Northern Virginia HVAC services.

01/02/2017

Happy New Year!

Start off the year with a clean furnace filter. Do this monthly and add years of life to your furnace. Have a safe, healthy and prosperous 2017!

A smart thermostat can help homeowners save a lot of money on their electric bills and improve their energy consumption....
12/22/2016
Top Smart Thermostats to Give as Holiday Gifts | Blog

A smart thermostat can help homeowners save a lot of money on their electric bills and improve their energy consumption. If you need a last minute gift idea for a homeowner on your list, consider these top smart thermostat options. Read more about these devices on our blog.

Do you know a homeowner who needs a last-minute holiday gift? Check out these top options for smart thermostats on our latest Northern Virginia HVAC services blog.

Already noticing issues with your home’s furnace? One of these four common issues may be to blame:
11/21/2016
Four Common Furnace Issues | Blog

Already noticing issues with your home’s furnace? One of these four common issues may be to blame:

Four Common Furnace Issues: A blog post provided by our Virginia and Maryland HVAC experts. If you have questions, call today for more information.

With winter right around the corner, it’s time to make sure your furnace is in working order. Learn more about the signs...
10/13/2016
Is It Time to Replace My Furnace Filter? | Blog

With winter right around the corner, it’s time to make sure your furnace is in working order. Learn more about the signs of a furnace filter that needs replacing at our blog:

Is It Time to Replace My Furnace Filter?: A blog post provided by our Virginia and Maryland HVAC experts. If you have questions, call today for more information.

Is your furnace in need of replacing? Read our latest blog for some warning signs:
09/13/2016
When to Replace Your Furnace | Blog

Is your furnace in need of replacing? Read our latest blog for some warning signs:

When to Replace Your Furnace: A blog post provided by our Virginia and Maryland HVAC experts. If you have questions, call today for more information.

08/19/2016
What is Making My Indoor Air Quality Bad? | Blog

Not all air contaminants come from outdoors. In our latest blog, take a closer look at some contaminant sources many of us welcome into our homes:

What is Making My Indoor Air Quality Bad?: A blog post provided by our Virginia and Maryland HVAC experts. If you have questions, call today for more information.

07/15/2016
Signs Your Air Conditioner is Ready for Repair | Blog

Every summer, countless homeowners realize that there’s something wrong with their air conditioning. Is your system exhibiting one of the classic signs that something is wrong? Learn more in our blog:

Signs Your Air Conditioner is Ready for Repair: A blog post provided by our Virginia and Maryland HVAC experts. If you have questions, call today for more information.

If you are having issues with your home's air conditioner, such as a lack of cold air or abnormally high electric bills,...
06/24/2016
Time for a Repair? | Northern Virginia HVAC Services

If you are having issues with your home's air conditioner, such as a lack of cold air or abnormally high electric bills, then your system may need a repair. Call us today and schedule an estimate!

Your air conditioner may need repaired if it is exhibiting any of these or other odd behaviors. Call our Northern Virginia HVAC services for a service appointment today.

06/01/2016

June 1...Time to make sure you have a clean filter in your HVAC system. Give us a call for a chemical coil cleaning to restore the AC performance to like new and prolong the life of your system.

05/23/2016
www.donmarcompany.com

Your home's air quality plays an important role in your family's health - learn how to improve your indoor air quality in our latest blog:

It's the first of the month. Make sure you have a clean furnace filter in your HVAC system. A dirty filter is the #1 rea...
05/02/2016
Northern Virginia HVAC Services | Donmar Company

It's the first of the month. Make sure you have a clean furnace filter in your HVAC system. A dirty filter is the #1 reason for premature problems with your heating and cooling system.
www.donmarcompany.com

Donmar Heating & Cooling is the trusted HVAC source in Northern Virginia and Maryland. We have delivered a consistent product ever since 1990!

04/08/2016
5 Ways To Keep Your Air Conditioner Running Efficiently | Blog

An efficient air conditioning system can keep your home cool while using less energy. Learn how to maximize efficiency in our latest blog:

5 Ways To Keep Your Air Conditioner Running Efficiently: A blog post provided by our Virginia and Maryland HVAC experts. If you have questions, call today for more information.

04/01/2016

It's the first of the month. Make sure you have a clean furnace filter in your HVAC system. A dirty filter is the #1 reason for premature problems with your heating and cooling system.
www.donmarcompany.com

Donmar Company Heating, Cooling & Plumbing's cover photo
04/01/2016

Donmar Company Heating, Cooling & Plumbing's cover photo

03/29/2016

It was 94F on this day in 1998. Don't wait too long to make sure your AC is ready for summer!

Need a new HVAC system? Beginning March 21, with Carrier Infinity systems we can now combine 0% 36 month financing* with...
03/22/2016

Need a new HVAC system? Beginning March 21, with Carrier Infinity systems we can now combine 0% 36 month financing* with all eligible rebates!
*Upon approved credit
Call for your FREE estimate
www.donmarcompany.com

Address

22821 Silverbrook Center Dr, Ste 130, 130
Sterling, VA
20166

Opening Hours

Monday 07:00 - 22:00
Tuesday 07:00 - 22:00
Wednesday 07:00 - 22:00
Thursday 07:00 - 22:00
Friday 07:00 - 22:00
Saturday 07:00 - 17:00

Telephone

(703) 457-8676

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Our Story

Donmar Heating, Cooling & Plumbing has years of experience as your local plumber. We are certified plumbers providing service in northern Virginia. In addition to plumbing services, we also can assist with water heater repair, drain cleaning, and clogged toilets. Get the best in customer service by calling today!

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