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AJ's Heating and Air Conditioning

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Licensed
Licensed
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About
AJ’s Heating & Air Conditioning is an experienced contracting company serving residential and commercial customers in a 50-mile radius around Springfield, VA, including parts of the D.C. metro area and Maryland. We help families and businesses enjoy life at the right temperature with fast same-day repairs and great deals on the latest high-efficiency heating and cooling systems.
Overview

Current Top Pro

Hired 67 times

Background checked

License verified

20 employees

10 years in business

Business hours

SunClosedMon8:00 am - 5:00 pm

Payment methods

This pro accepts payments via Apple Pay, Cash, Check, and Credit card.

Social media

Facebook, Instagram

Top Pro status

Top Pros are among the highest-rated, most popular professionals on Thumbtack.

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2025

Credentials

License verified

HVA – Contractor – Heating Ventilation and Air Conditioning

License state: VA

Background checked

Passed by Adinsson Salazar on May 8, 2024.

Services offered
Work needed

Install new A/C units

Replace existing A/C units

Remove old A/C units

Install ducts and vents

System type

Split system

Packaged system

Other

Building height

Single-level

Two-story

Three-story

High-rise

Projects and media
Projects and media
Reviews

Customers rated this pro highly for work quality, professionalism, and responsiveness.

Great 4.8

46 reviews

5

91%

4

5%

3

2%

2

2%

1

0%

Read reviews that mention:

pro avatar
Derek M.

Feb 21, 2026

•

Hired on Thumbtack

I can’t say enough great things about AJ’s Heating & Air Conditioning! They came out to our home in Manassas after dark in record cold temperatures to diagnose our heat pump issue, which meant a great deal to us. That level of responsiveness and dedication is rare. From the first message through the final repair, they were professional, prompt, and clear in their communication. They thoroughly diagnosed the system, ordered the needed circuit board, and even submitted the part to the manufacturer under warranty on our behalf — even though they didn’t originally install the system. Because of that, we didn’t have to pay anything for the part! That kind of integrity and customer care really stood out. The repair was completed efficiently and everything is now running exactly as it should. We’re very grateful and would absolutely recommend AJ’s to anyone in the Northern Virginia area!

Details: Heat pump • Basement • Three-story building • House

Heating System Repair or Maintenance
pro avatar
Hayley O.

Nov 6, 2025

•

Hired on Thumbtack

I cannot recommend AJs Heating & Cooling highly enough. From start to finish, their team demonstrated professionalism, patience, and ultimately, an extraordinary commitment to customer satisfaction that truly sets them apart. The initial installation of our new unit was smooth and efficient. I had several, likely ridiculous, questions throughout the process, and every technician was patient, knowledgeable, and took the time to explain everything clearly. They didn’t just install a unit; they ensured I understood how it worked. A few days after the install, the unit began malfunctioning. This is where AJs truly shined. They were on the scene quickly and worked diligently to diagnose the complex problem, refusing to give up until they found the root cause. They ultimately discovered the issue was a manufacturer defect within the brand-new unit itself. The standard solution would have been to wait weeks for a replacement part, which asks decided was simply not okay given the summer heat. They were very concerned for me and the comfort of my pets. Without any prompting from me, AJs took the initiative, dealing directly with the manufacturer and successfully negotiating a full, no-cost replacement and reinstallation of an entirely new unit. This level of advocacy for a customer is unheard of. They prioritized our comfort and safety over the easier, cheaper solution for them. If you are looking for an HVAC company that provides high-quality installation, diligent troubleshooting, and will stand by you when problems arise—even when those problems are due to the manufacturer—look no further than AJs Heating & Cooling. They earned a customer for life

Details: Replace an existing A/C unit • As recommended by the professional • I will purchase the A/C unit • Basement • Less than 1,000 sq ft • One story • Condo or apartment

Central Air Conditioning Installation or Replacement
pro avatar
Radostin P.

7 days ago

•

Hired on Thumbtack

fast response, took time to explain the issue and what is needed. had the necessary part handy to replace

Details: Install new heating system • Furnace • Electricity • Basement • Less than 1,000 sq ft • Three-story building • Townhouse • Owner

Heating System Installation or Replacement
pro avatar
George B.

Apr 15, 2025

•

Hired on Thumbtack

Santo and Cesar from AJ’s installed my new furnace. They showed up right on time, got straight to work, and completed the installation with a high level of professionalism. What really stood out was how thorough they were — not only did they make sure everything was working perfectly, but they also took the time to walk me through what they had done and recommendations on how I can have the equipment last! They also answered all my questions. They left the space spotless, which I really appreciated. I highly recommend them for anyone looking for reliable, top-quality HVAC service!

Details: Install new heating system • Furnace • Natural gas • Basement • 2,000 - 3,000 sq ft • Two-story building • Townhouse

Heating System Installation or Replacement
pro avatar
Inga L.

Mar 27, 2026

•

Hired on Thumbtack

Amazing company! Extremely professional and a joy to work with. Five stars!

Details: Remove old heating system • As recommended by professional • As recommended by professional • Less than 1,000 sq ft • High-rise building • Condo/Apartment

Heating System Installation or Replacement
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