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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

HVAC pros recommend that you replace your AC filter every one to three months to maintain optimal indoor air quality and ensure your HVAC system operates efficiently. However, factors such as filter type, household size, and environmental conditions may influence the frequency of replacement. Regular filter changes help prevent debris buildup, maintain airflow, and prolong the life span of your air conditioning unit.

Yes, adding central air can increase your home value by as much as 10%. Generally speaking, prospective buyers prefer a central AC system over a ductless system or room-by-room AC units. That’s because central air conditioning blends into the home easier than individual room air conditioners and typically has less equipment to maintain.

A dual evaporator coil is a specific design that allows the AC system to cool different compartments at different levels. It’s usually seen in refrigerators and similar appliances, but not in whole-house air conditioning systems. Talk with your AC technician about the best uses for a dual evaporator coil.

It’s normal to hear a low humming sound as air moves through your vents. Most of the time, you probably won’t even notice it. However, if that sound becomes disruptive or if you hear more concerning noises (such as rattling, clicking, banging, hissing, or grinding), there might be a problem with your HVAC system.

DIY is possible for basic cleaning. Professional services handle advanced maintenance like recharging the refrigerant.

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.