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Top-Rated Air conditioning pros in Poolesville - Updated Nov 2026

Avatar for Hecomo
Hecomo
5.0(
11
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Poolesville, MD and surrounding areas

Approved

Credit card accepted

Customers say: True professional

"I had the best experience with Hecomo Heating & Cooling. My house's AC/heating system stopped working all of the sudden and the temperatures at the time were 90 degrees and up. I was desperate looking into many different companies. Many of them, came over to my house and did estimates at ridiculously high prices. Luckily, I found Hecomo. They came to my house, did an estimate and were ready to install my AC/heating unit very quickly and at a good price. Also, the customer service was great. They were there for me throughout the whole process. They explained to me everything that I needed to know about the system and the features. Everything is very modern and updated. I am very happy I found Hecomo."
Heating & A/C Project
Heating & A/C Project
Additional Photos
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+8

Response time8 hrs
Response rate100%
11 neighbors recently requested a quote
Avatar for Simply Home Service, LLC
Simply Home Service, LLC
5.0(
30
)
Central A/C - Service or Repair

Serving Poolesville, MD and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Sean was very prompt in responding to me request for service and did his absolute best to accommodate my schedule at my convenience. He was very flexible overall and helped get my AC repair ASAP after it was broken. This was especially helpful since it was getting warm outside! He was on time for all of our appointments and communicated what needed to be done/fixed clearly, so I wasn’t left with a huge bill that I wasn’t expecting. Expectations are very important and he seems to understand. I would highly recommend Sean and/or his team for any issues you might have for a cost effective and friendly solution. Thank you so much for your help Sean!"
Response time3 hrs
Response rate97%
Recommended by93%of homeowners
Avatar for GAC Services
GAC Services
4.7(
295
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Poolesville, MD and surrounding areas

Approved (Corporate)

In business since 1970

Free estimates

Warranties offered

"Alejandro came out quickly to get me a quote, followed rapidly by Tim and his crew to perform the replacement. We knew the split unit needed replacement, and Tim discovered that the compressor for the main system was shorting out. GAC was able to get me a quote and replace that unit within the week. Very rapid and responsive. Team was incredibly professional and was very careful to talk me through each step. They gave me options when there were routing decisions to make and came to me to ok everything step by step. They left the work areas cleaner than when they arrived too. Office staff is extremely responsive and friendly too. Kudos."
Additional Photos
6 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Petro Home Services
Petro Home Services
4.5(
311
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Poolesville, MD and surrounding areas

Approved (Corporate)

In business since 1903

Emergency services offered

Warranties offered

"

we had a leak problem and the tech came and looked over our equipment, fixed the problem and left. It cost us nothing and we have had their home heating service contracts for over 20 years.  They have NEVER ONCE not shown up or not helped and in the two furnace emergencies we had--they were here with in 1hr. 

We are very happy.


"
Additional Photos
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Additional Photos
Response time6 days
Response rate100%
9 neighbors recently requested a quote
Avatar for DMV Pro Service, LLC
DMV Pro Service, LLC
5.0(
230
)
Air Ducts & Vents - Clean

Serving Poolesville, MD and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"DMV Pro Service truly lives up to its name, delivering impeccable air dust cleaning services. Their expertise, led by Technician Tony, ensures a spotless environment thats second to none."
Air duct cleaning
Air duct cleaning
Air duct cleaning
Air duct cleaning
Air duct cleaning

+8

Response time2 hrs
Response rate100%
Recommended by100%of homeowners
Avatar for The Best Air Quality and Restoration
The Best Air Quality and Restoration
4.8(
236
)
Air Ducts & Vents - Clean

Serving Poolesville, MD and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Best Air Quality and Restoration did a spectacular job! I can't say enough about the employees. They did an outstanding job! They were punctual,polite and followed social distancing protocols.They assessed the home and cleaned the air ducts quickly and efficiently. I am very pleased with their service and highly recommended this company. I purchased a new home and had them come clean the ducts to improve the homes environment. They showed me before and after pictures and I noticed a difference right away"
Additional Photos
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+50

Response time10 hrs
1 neighbors recently requested a quote
Recommended by93%of homeowners
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Air Conditioning FAQs, answered by experts

A blocked return air vent can cause your HVAC system to work much harder and, therefore, less efficiently. The result is higher utility bills and poorer air quality. A blocked return air vent can also cause unpleasant dust, dander, and odors to linger in your home’s air.

Condensation forms when warmer, outside air combines with cooler air in your ductwork. This can happen when there are leaks in your air ducts, your HVAC system has a dirty air filter, or there’s a lack of insulation around the ducts. To prevent it from happening, replace your HVAC filters as directed. Also, once every five years, hire a local air duct cleaner to clean and inspect them.

Air filters with a high MERV rating, 11 or above, shouldn't cause airflow problems in most residential systems. However, the airflow can be restricted in some HVAC systems if they aren't designed for high MERV ratings. If in doubt, a local duct installer should inspect your ductwork so that you know what your system can handle.

Absolutely! You can seriously improve the overall value of your home by maintaining high-quality, compatible systems for heating and cooling. Potential buyers will love not having to worry about getting a new HVAC unit for 15 to 20 years and will pay more for it. For maximum efficiency and cost savings, replacing the furnace and air conditioner at the same time, when possible, gives you (and potential future buyers) reliable comfort and modern convenience.

The cost to repair an air conditioner averages around $350 to $450, but the price can range from $100 to over $3,000. The final cost depends on the type of air conditioner, the extent of the damage, and the specific parts that need replacement. For example, repairing a window AC unit typically costs between $100 and $250, while central air conditioner repairs can range from $300 to $3,000. A simple fix like replacing a dirty filter might only cost $10 to $50, but a major issue like a broken compressor could cost around $2,000 or more, potentially making it more cost-effective to replace the entire system. Due to the need for specialty tools and handling of refrigerants, repairs more complex than changing a filter are best left to a professional.

The Poolesville, MD homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.