ACE Air Conditioning & Heating Service, Inc.

ACE provides services for all of your residential heating and cooling needs. We are a family owned and operated company serving the Northern Virginia area.

Ace Air Conditioning and Heating Service is a family-owned and -operated business that has been serving Northern Virginia since 1980. Ace provides repair services and installation for residential heating and cooling systems.

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Prepare your home for the fall weather approaching! You'll want to make sure your heating system is working properly so you can keep your home cozy and warm when it gets cold. Contact us today to schedule a maintenance check.

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It’s the perfect time of year to schedule a system inspection to make sure your units are working efficiently. Call us today!

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We want to wish you all a safe and relaxing three-day weekend in honor of Labor Day. To our employees, we are so grateful for your hard work and dedication.


Control your home's temperature

The secret to a good night sleep is the perfect temperature. Make sure your thermostat is set to either 60- or 67- degrees Fahrenheit to ensure everyone in the house is sleeping well. Call us to learn more about controlling your home’s temperature throughout your home.

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Keep in mind when you are shopping for your new HVAC system, we offer Lennox products that come with comprehensive warranty coverage. We want to provide you with a peace of mind and protect your new investment.

Contact us to learn more.

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Keep in mind when you are shopping for your new HVAC system, we offer Lennox products that come with comprehensive warranty coverage. We want to provide you with peace of mind and protect your new investment.

Contact us to learn more.

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Do you have inconsistent temperatures in your home? This is a sign of an inefficient system. Contact us today to learn if your HVAC system is working properly.

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It's National Dog Day! We love our pets, but did you know their dander can lead to poor IAQ? Good thing the Lennox PureAir™ S can help keep your home's air quality free of pet dander, making sure you breathe comfortably.

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Don't settle for a system in your home that doesn't match your comfort level. Contact us today to learn about what Lennox can offer you to take back control of your comfort.

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You should clean regularly to ensure your indoor air quality is good and keeping you healthy. This means dusting, vacuuming carpets and mopping, which can help you and your family breathe cleaner air.


Save money with a new system

If you’re energy bill is raising with the temperature, it may be time to purchase a new system. New systems run more efficiently and save you money! Call us today to learn more.

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Invest in a zoning solution! The Lennox iHarmony® Zoning System can help maintain perfect air at home while keeping the energy bill down.

Contact us today to learn more.

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Stay cool during one of the hottest months of the year with a home that programs specifically to your comfort level. Get the iComfort® S30 Ultra Smart Thermostat by Lennox!

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Lean on Lennox to ensure your home is reaching its comfort potential. With the variety of Lennox products we offer, we can make sure you feel comfortable in your home.

Contact us today to learn more.

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Is your AC having a hard time keeping up with the summer heat? If your AC is more than 10 years old, it starts to lose its efficiency. It may be time to start thinking about a new unit to save on energy costs. Contact us today to learn how we can help!

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To ensure your heating and cooling system is working properly, set up routine maintenance with us! We can keep your system well-tuned.

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Did you know, investing in a new HVAC system will save you money!? Newer systems run more efficiently, meaning you have more money in your pocket. Contact us today to schedule an installation!


Maximize your comfort level

To ensure your home is matching your comfort level, give us a call for a maintenance check or to learn more about our HVAC systems.

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It's almost time for kids to return to school. Make sure you are using a smart thermostat that allows you to program when your family is home or away.

This can save you energy and ensure you always come home to comfort.

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The key to a healthy and comfortable home is dependent on the air we breathe. Having good indoor air quality is a must to stay healthy and happy. Contact us today to learn more.

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Do you have people in your household that can't agree on one temperature setting at night?

We can offer you a fix for that. The Ultimate Comfort System™ by Lennox allows every family member to have individual temperature control in their part of the house.

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Update your home with a smart thermostat! The iComfort® S30 is an ultra-smart thermostat by Lennox. It can monitor your home's air purification system filters and humidity levels, creating the perfect comfort level for you.

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Make your home an energy-efficient one! Being energy efficient means using less energy to perform the same task and get the same result. This can save you money, energy and create a positive impact on our environment.

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Wondering if you should repair or replace your heating and cooling system? Here are six questions to ask yourself before you decide: 1. How old is your HVAC system?

2. Have you performed a system inspection?

3. Are you following the $5,000 rule? Multiple your unit’s age by repair costs. If the number exceeds $5,000, it is time to replace the unit but if the number is less than $5,000, it’s best to make repairs.

4. Is your current system energy efficient?

5. Does your system have outdated technology?

6. Is your system sized correctly?

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Looking to purchase an air filtration system that removes bacteria and viruses?

The Lennox PureAir™ S Air Purification System can remove more than 99% of common viruses and bacteria in the air of your home.


Keep up with the heat!

We are in the middle of summer and it’s HOT! Is your A/C not keeping up with the heat? Give us a call for a fast and reliable HVAC tune-up.

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It's National Air Conditioning Day! During these hot summer months, we are all thankful for working air conditioning in our homes and workplaces.

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We all know the outdoor weather right now is hot and sticky. But did you know that humidity can work its way into your home?

If your home is too humid, call today to learn more about turning your home into an oasis of comfort.

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Exchange stale indoor air with fresh outdoor air to prevent unhealthy particles from building. To do this, you need good ventilation. It is important to ventilate your home to keep the indoor air safe and clean.

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As a Lennox dealer, we offer flexible financing offers so you can afford the best heating and cooling system. You can't put a price on your family's comfort.

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Did you know, research shows that indoor air is often more polluted than outside air, according to the Environmental Protection Agency. Poor indoor air quality can lead to respiratory issues, headaches and more health concerns.

Invest in a PureAir™ S Air Purification System today and correct your IAQ.

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Is your HVAC system up to date and maximizing your comfort level? Ask yourself, when was the last time you had your system inspected?

Homeowners should use a professional HVAC technician to properly perform regular maintenance checks, at least once a year. Contact us today, to schedule one.

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Happy 4th of July! How are you celebrating today?


Breathe Clean Air

Cleaning your house helps keep your home’s air clean but did you know cleaning products are full of chemicals? Invest in an air purification system like the PureAir™ S Air Purification system by Lennox to ensure you are breathing clean air and staying healthy at home.

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Don't sacrifice good air quality in your home because of external factors. With the Lennox Ultimate Comfort System™, you can breathe cleaner and fill your home with healthier air. Contact us today to have total control of your air.


We’ve got a lot of summer left ahead of us. If you’re relying on unconventional cooling methods, we can help you get comfortable.

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Our furry friends are part of the family, but unfortunately pet dander can lead to poor indoor air quality and trigger allergies.

Investing in a whole-home air purification system like the Lennox PureAir™️ S, can help keep your home free of pet dander and other allergens, helping you and your family—and your pets—breathe healthy, comfortable air.

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Summer gets busy. Remember to take time to relax at home. You can achieve the ultimate in relaxation and comfort with a Lennox whole-home comfort system. Want to learn more? Contact us today.

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It’s National HVAC Tech Day! Techs are essential and they’re there when we need them most. Like those hot days when the AC breaks down. Remember to thank your HVAC technician and show your appreciation the next time your unit needs service or repair.

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Happy Summer Solstice. It’s the longest day of the year! How will you celebrate?

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Happy Father’s Day to dads everywhere! We know dads are handy and great at fixing things around the house. But when it comes to HVAC maintenance and repair, it’s best to give dad a break and leave that to the professionals.

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Wondering if your HVAC unit needs to be repaired or replaced? Here’s a simple tip to evaluate the best use of your money.

Multiply your unit’s age by the cost of repairs. If the total exceeds $5,000, replace it. You should also consider a replacement if you’re repeatedly repairing the same system.

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Pro-tip: Save energy and money by flipping on your ceiling fan. Running your fan allows you to raise your thermostat by up to four degrees without affecting your comfort while you use your AC.

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Headed out for summer vacation? Don’t forget to adjust your thermostat accordingly to avoid unnecessary energy use and higher utility bills.


Here’s the problem. Your air conditioning is on, but you’re still feeling the heat. We have some tips to help.

Timeline photos 06/11/2022

As summer starts to heat up, can you imagine living without air conditioning? Hotter temps can negatively impact your health, so make sure your AC is in good shape to keep your home cool and comfortable, all summer long.

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Your home’s indoor air quality is important, and dusting is a great way to help it out.

Dust regularly to help keep dust and other allergens at bay. This includes mopping hard floors, vacuuming carpets and washing rugs and curtains. Doing so weekly will help you and your family breathe cleaner, healthier air.

Timeline photos 06/07/2022

Cheers to warmer weather! After those harsh winters, there’s nothing like getting outside to celebrate summer’s arrival. Whether you’re kicking your feet up at a patio or at a cookout with friends, take a moment to drink it all in.

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Get regular tune-ups on your home comfort system to ensure that they’re operating at their highest efficiency. It could help you avoid costly repairs or replacements, plus you’ll save on your utility bill in the long run.

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June is Healthy Homes Month. Celebrate by making your home healthier with these three tips:

• Circulate the air in your home: Turn on the circulate feature on your thermostat to keep the air moving through your filtration system to ensure cleaner, fresh air.
• Check your air filters: Dirty air filters can’t filter out dust and other allergens efficiently. Plus, they can make your HVAC work harder.
• Keep things clean: Have your air ducts cleaned and sealed by a professional.

Get more tips and learn more on how to have healthier home here.

Videos (show all)

Control your home's temperature
Save money with a new system
Maximize your comfort level
Keep up with the heat!
Breathe Clean Air
We’ve got a lot of summer left ahead of us. If you’re relying on unconventional cooling methods, we can help you get com...
Here’s the problem. Your air conditioning is on, but you’re still feeling the heat. We have some tips to help.
The ACE Air Conditioning & Heating Service, Inc. team was excited to partner with Lennox for the Feel the Love™ Campaign...



14088 Sullyfield Cir
Chantilly, VA

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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