If you hire this pro, you’re covered by a money-back guarantee. Learn more
If you hire this pro, you’re covered by a money-back guarantee. Learn more
About
We are providing top-quality service based on professionalism, honesty, and transparency. At Mast Services, you are our number one priority. We go above and beyond to provide excellent customer service and personalized attention. Our technicians are licensed and trained.
We will always explain our process beforehand so you know what to expect. The long list of 5star reviews from customers for the outstanding service that We provide keeps us motivated to continue performing our work each and every day the best we can.
Our uniformed and friendly technicians will treat your home as their own. We will assess the situation and explain the process, the cost, and the time frame needed to complete the work.
We will follow all CDC - Covid related guidelines when entering your home.
Our services include:
- Air Conditioning Installation
- Heating system Installation
- Heating Repair
- Air Conditioning Repair
- Air Conditioning Replacement
Mast Services is here to help you by providing the highest quality HVAC service possible!
Overview
Current Top Pro
Hired 861 times
Serves Winchester, VA
Background checked
License verified
4 employees
16 years in business
Business hours
Sun7:00 am - 6:00 pmMon7:00 am - 6:00 pm
Payment methods
This pro accepts payments via Cash, Check, Credit card, Square cash app, and Zelle.
Top Pros are among the highest-rated, most popular professionals on Thumbtack.
2023
2022
2021
Credentials
License verified
MHVA – Heating Ventilation and Air Conditioning – Master
License state: VA
Background checked
Passed by Syed Zafar Ahmad on Mar 31, 2020.
Services offered
A/C services needed
Property type
House
Townhouse
Projects and media
Projects and media
Reviews
Customers rated this pro highly for work quality, professionalism, and responsiveness.
Great 4.8
577 reviews
5
94%
4
2%
3
1%
2
0%
1
3%
Your trust means everything to us. Learn about our review guidelines.
Read reviews that mention:
Randi S.
Jun 8, 2026
•
Hired on Thumbtack
Syed responded back to me right away and was able to fix my air conditioner on the same day it went out. He was able to explain the issues and how to resolve and did the work rather quickly. I’m very happy with his service!
Details: Repair • Only warm air is blowing from the vents • Garage • Ground floor • Townhouse • Owner
Central Air Conditioning Repair or Maintenance
William B.
May 26, 2026
•
Hired on Thumbtack
Syed was able to come out within an hour of me contacting him! He quickly diagnosed the issue with my AC and explained everything clearly to me while he was working. He showed me what was wrong with the capacitor thing, and even explained how the lines and airflow were supposed to feel when the system is working correctly.
He was very friendly, professional, and honest, and he also cleaned the unit for a great price. My house is already cooling so much better now. I’m very happy with the service and will definitely be calling him again in the future if I need additional services
Details: Repair • Only warm air is blowing from the vents • Outside • Outside • Townhouse • Owner
Mast Services's reply
thank you for your excellent reviews
Central Air Conditioning Repair or Maintenance
Maddie A.
Mar 1, 2026
•
Hired on Thumbtack
Posted here around 5 pm and he was able to come the next day at noon. Fixed our issue quickly! Excellent and would recommend/use again.
Details: Replacement • House • Owner
Thermostat Installation or Repair
Kevin P.
Apr 7, 2026
•
Hired on Thumbtack
Came out same day for the quote and got the job done the very next day at the same price as the quote. Got everything running well again!
Details: House
Central Air Conditioning Repair or Maintenance
Zamira F.
Dec 15, 2025
•
Hired on Thumbtack
Syed came out today to fix our HVAC unit and we couldn’t be happier with the service. He was professional, knowledgeable, and worked quickly without cutting corners. His pricing was very fair and much cheaper than other companies we contacted in the area.
Communication was excellent from start to finish. He gave us a two hour appointment window and let us know ahead of time exactly when he would arrive within that window, which we really appreciated.
Overall, we are super happy with the experience and the quality of work. We will definitely continue to use this company for any future HVAC needs and would gladly recommend Syed to others.
Details: Furnace • No heat • Basement • Two-story building • House
Heating System Repair or Maintenance
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
First thing we have to make them to understand the quality services that we provide them and the after services
What is your typical process for working with a new customer?
Always brief customer before and after job done
What education and/or training do you have that relates to your work?