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Gaithersburg HVAC Contractors

Browse these HVAC contractors with great ratings from Thumbtack customers in Gaithersburg.

Top Pro
  • 36 years in business
  • 573 hires on Thumbtack
  • Top Pro on Thumbtack
Billye A.
Verified review

I was very pleased with the professionalism, responsiveness and promptness in Ed Bilo calling me. We have an appointment for Friday, Sept. 14, 2018. I appreciate very much for his followup due to an error message sent him by Thumbtack implying that I had cancelled our appointment--which was not correct. I was so concerned that I called Mr. Bilo at 9pm tonight to make sure we still had an appointment on Friday. This is over and beyond professionalism that he answer the phone and was not upset.

GUEMRI APPLIANCE REPAIR, LLC
4.8
from 194 reviews
  • 21 years in business
  • 308 hires on Thumbtack
David A.
Verified review

GUEMRI Appliance Repair responded to my request within the hour, which was a late Saturday afternoon. A technician showed up 10:30am Sunday, and my problem was repaired in less than an hour. He explained the two circumstances which caused the problem, how they most likely occurred (poor workmanship by previous contractors) and how he made additional provisions such that not only would the problem be fixed, that it should not occur in the future. The price was so reasonable I paid a little extra. I would definitely recommend this company, and will use them again in the future if the need arises.

  • 13 years in business
  • 300 hires on Thumbtack
Victoria B.
Verified review

If you are reluctant to using the contractors on thumbtack...this HVAC crew is professional, clean, polite, and went out of there way to fix a problem done by another company...I will gladly be a reference for them in the future if they need one I will use them again for one of my other properties

  • 10 years in business
  • 211 hires on Thumbtack
Theresa H.
Verified review

A+++++! Ten Stars! Outstanding Service. Today (Jan 7, 2016) I had my whole house air ducts and the dryer vent cleaned, and the humidifier looked at. I am a new homeowner and David took the extra time to explain everything about my heating system AND even went above and beyond to ensure the outside water faucets got turned off correctly to avoid future problems in freezing weather. He patiently answered all my questions. I'm so pleased to report the price was very fair and the service was outstanding. I wish more contractors were like this. I also admired the way he is teaching the trade to his assistants. You don't find service like this very often anymore. I'm a good judge of character and I feel like David and his team are honest decent people.

Comfort Heating & Cooling
4.5
from 132 reviews
  • 18 years in business
  • 252 hires on Thumbtack
Sean B.
Verified review

Troy was great - worked hard to solve the problem a previous contractor could not figure out and did so at a fair price.

Top Pro
LOGAN MECHANICAL, LLC
4.8
from 104 reviews
  • 33 years in business
  • 128 hires on Thumbtack
  • Top Pro on Thumbtack
Megan P.
Verified review

After three disappointments with previous contractors either not showing, overcharging, and lack of response, our company was assigned Logan Mechanical. I can honestly say they were great. I appreciate their professionalism and true passion for the job. They could have easily tried to get one over as other companies have, but instead they came in, fixed the issues created by another company, as well as the original concern. Not only were they prompt and helpful in explaining the process, they provided different options for our situation. Because of their great work, we have happy clients now, with working AC ;)

Top Pro
  • 7 years in business
  • 104 hires on Thumbtack
  • Top Pro on Thumbtack
Henry A.
Verified review

Our thermostat and heating system suddenly stopped working on one of the coldest days of the winter. We initially called our home warranty company, who has been reliable in the past, to request an emergency service technician for the repair. After several hours of waiting anxiously, the warranty company informed us they weren’t able to locate any available HVAC repair technicians in our area...they said the reason was because it is a Sunday and there is an unusually high demand for heating system repairs. Disappointed, we decided to try Thumbtack, and within a very short time of submitting our request, Andrew called us back, came by our house and got our heating system back up and running. We are very grateful for his responsiveness, professionalism, value, and quality of work. Thank you, Andrew!

Renaissance Contractors
4.8
from 79 reviews
  • 18 years in business
  • 162 hires on Thumbtack
Kristen M.
Verified review

Renaissance did an amazing job on my den. I originally hired them to mount a tv and ended up having him paint 2 rooms as well. They were on time, very responsive and knowledgeable. I had another contractor install a cable outlet and electrical outlet above my fireplace to make the mounting of my tv easy. However that contractor didn't do an efficient job and when Antonio mounted the tv both outlets were showing. It is very important to me that only the tv be visible after mounting. Antonio assured me that he would not only hide the cable box and cords but would fix the other contractors work as well. I was able to relax and everything was taken care of to my specifications. They went above and beyond to ensure that my needs were met and I was satisfied with the job. I would recommend them as well as use them again for other home improvement projects.

Baiza Construction, Inc.
4.6
from 74 reviews
  • 9 years in business
  • 104 hires on Thumbtack
Griselda A.
Verified review

After meeting with four different general contractors, Mr. Marvin Guzman with Baiza Construction, Inc showed his best attitude to take part on a serious complete home improvement we had for our 1956 home. He didn't only provided a quick estimate, But time frame to complete and over all his price. My project was based on a full 2 bathrooms remodeling, plaster walls removal/replacement, insulation, plumbing, electrical, kitchen remodeling and about 2500 square foot of hardwood floor installation. My best recommendation to future hires and families of his great quality work. My contract worth 86k were put on the best hands.

Top Pro
Doctor Maintenance, LLC
4.8
from 56 reviews
  • 60 hires on Thumbtack
  • Top Pro on Thumbtack
Darya S.
Verified review

Robyn was great. He showed up on time, was tremendously professional and knowledgeable. He was able to help me with multiple jobs. He is officially my new appliance repair go to! He was able to fix a dishwasher in about 15 minutes. That three companies came out to repair (american home shield contractors) and couldn’t repair it in months. I highly recommend him.

Top Pro
SALVATION HOME SERVICE.
5.0
from 54 reviews
  • 4 years in business
  • 58 hires on Thumbtack
  • Top Pro on Thumbtack
Catherine C.
Verified review

Working with Salvation LLC was a wonderful experience. Ernesto and his team are outstanding. In fact, Ernesto found a creative solution to my HVAC/water heater issue that several other HVAC companies had not even considered. The finished installation was beyond my expectations; pre-installation preparation and post-installation cleanup could not have been better. I have had HVAC/water heater work done in the past but Salvation's work was superior to all of these other companies. The work was done at a reasonable price in a timely manner and Ernesto made sure that I understood all that would be involved in the installation. I highly recommend Salvation! I have already scheduled some additional HVAC work with Salvation and they will absolutely be my go-to HVAC company going forward :-)

HVAC plus
4.9
from 46 reviews
  • 43 hires on Thumbtack
Farad H.
Verified review

All around solid experience. Consulted me on the root cause of the problem and fixed it. I will use Juan for future HVAC projects that arise.

Top Pro
Akinfe Air
4.8
from 43 reviews
  • 7 years in business
  • 52 hires on Thumbtack
  • Top Pro on Thumbtack
Folasade A.
Verified review

Brian was absolutely amazing! My biggest concern when dealing with contractors is their honesty and integrity. Brian found what problem existed in the system and basically saved us thousands of dollars. I can honestly say if I had hired someone else they probably would've taken advantage of us and charged us more. I will recommend Brian to everyone!!

Nexgen
4.9
from 38 reviews
  • 11 years in business
  • 34 hires on Thumbtack
Roger K.
Verified review

Good contractor

T and H Services LLC
4.5
from 38 reviews
  • 22 years in business
  • 70 hires on Thumbtack
Janet N.
Verified review

Tim and his crew did a great job on our basement finishing! Tim was very knowledgeable throughout the process and was very accommodating to with our busy schedules. He and his crew were very trustworthy as most of the time they worked in the house while we were away. Special thanks to Neil and the other gentleman on the team. They were always very friendly and responsive when I needed anything or had a question. My only negative, hence 4 stars, would be that I would have liked to only have had Tim as the sole POC versus us having to deal one on one with the other contractors on the project as it made for a lot of calls and additional tasks to manage. This was our first project so we were not really sure how everything worked. All in all, they did a great job and made our space beautiful! We would definitely use again for any project!

Superior Air HVAC, LLC
4.6
from 36 reviews
  • 1 year in business
  • 38 hires on Thumbtack
Chanel T.
Verified review

Dave was courteous and knowledgeable about my system which is on the decline. He assessed my current system and made some band aid repairs to get me through until I am able to replace the unit with a new one.

Top Pro
  • 4 years in business
  • 49 hires on Thumbtack
  • Top Pro on Thumbtack
Max F.
Verified review

After posting a project for installation of an Aprilaire 2310 media filter and new duct work, I immediately recieved a response from Revolution Heating and Cooling with a very affordable estimate (more so than several local HVAC contractors I had reached out to before). From the very start, Curtis provided excellent service from proposal to the actual installation. He arrived on time and was very friendly as well as knowledgeable. Installation was quick despite challenges with the size of the furnace closet. Will definitely be using for future projects!

Nice Heating and Air
4.6
from 33 reviews
  • 7 years in business
  • 45 hires on Thumbtack
Alane Fraser
Verified review

I have been a customer for several years! They are always polite & knowledgeable. They replaced my hot water heater last year and its running great! Passed county inspection no problem! They insulated my attic several years ago and, again, did a phenomenal job. There was a problem when the technician mis-stepped and came through the ceiling but the hole was fixed by a contractor, paid for by NICE, in a couple of days. Cant even tell. They are always informative and make recommendations. You can decide whether to accept the suggestions or not. They do my annual maintenance on the A/C and Heat every year. I highly recommend NICE!

Top Pro
  • 3 years in business
  • 31 hires on Thumbtack
  • Top Pro on Thumbtack
Ed G.
Verified review

Nasir was very responsive and arrived at our house at the requested time. He was able to confirm what the problem was with our HVAC system and was able to complete the repair with material on his truck. His service fee was reasonable and the overall cost for the repair was very competitive. He also offered a solution to avoid future problems & repairs. I would recommend Nasir for HVAC diagnosis and repair.

Moses HVAC
4.3
from 30 reviews
  • 2 years in business
  • 34 hires on Thumbtack
Ehi A.
Verified review

The technicians were courteous and polite and the pricing was competitive. I only wish they gave more realistic timeframes for arrival. Additionally, my install was originally scheduled on Labor Day, however, when I called them to follow up on my appointment on the day of the installation, I was told that the supplier wasn’t open so the install had to be scheduled for the following day.

Top Pro
cool breeze services
4.6
from 27 reviews
  • 16 years in business
  • 30 hires on Thumbtack
  • Top Pro on Thumbtack
Chris W.
Verified review

Great service at a great price! Nash and JD took my call and finished the job late on a Saturday night. I didn’t even notice my problem until after 5pm Saturday but I went to sleep that night with cold AC. The company I’ve used for years couldn’t get to me until Thursday so I tried thumbtack for the first time. I’m glad I did. I’ll be using Nash for my HVAC work from now on. Highly recommend.

Q & A

Answers to commonly asked questions from the experts on Thumbtack.

Who fixes furnaces?

If your furnace needs to be repaired, you’ll want to find a qualified heating, ventilating and air conditioning (HVAC) repair technician. Each state has its own licensing requirements; some require all HVAC technicians to have an HVAC license, while others only require someone operating an HVAC service and installation company with employees to hold a contractor’s license. For example, in Alabama, the Alabama Board of Heating Air Conditioning, and Refrigeration Contractors regulates licensing, while in Kansas there is no state regulatory body and HVAC licensing can vary by region. For simple furnace repairs like changing out a filter, a trusted handyman can probably handle the job, but a trained professional should be hired for tasks like replacing a gas valve, installing a new inducer fan motor or other critical furnace repair jobs that involve dealing with gas leaks or other dangerous conditions. For more, check out our tips for smart hiring on Thumbtack.

What is an HVAC system?

The letters in HVAC stand for heating, ventilation and air conditioning. An HVAC system enables you to regulate your home or building’s internal temperature (thermal control) for comfortable living and working. You can bring heat levels down in the summer and up in the winter, keeping your home or office livable year-round. HVAC systems can also help with humidity levels and regulate indoor air quality in a home or office. There are many types of HVAC systems and technologies available.

Many homes have a forced-air HVAC system. Both the heating and the central air conditioning units share a ductwork system where they either push in or pull out warm or cooled air. There are also heating and cooling systems that don’t require ductwork — such as ductless mini-splits — but work on the same principles of heat exchange. The national average to hire an HVAC specialist is $2,920-$3,670, with costs varying depending on the work you need done and the equipment you are installing.

How much does it cost to get central air?

Prices for central-air HVAC systems will vary. The national average to hire an HVAC specialist is $2,920-$3,670 but can run as high as $5,000 or even $12,000 depending on the capacity you need and other factors. Installing central air conditioning requires an entire system that works together to draw hot air out of your home. The system includes an outdoor unit, which houses the condenser and compressor, and the evaporator coils. If you don’t have an existing duct system, ductwork will need to be installed, which will affect labor and material costs. Leaking or damaged ducts will also need to be replaced.

How many years does HVAC last?

The number of years an HVAC system lasts depend on the type and brand of components that make up your system. The lifespan of an air conditioner averages between 15 and 20 years. The life expectancy of a tankless water heater is approximately 20 years, while a storage water heater is closer to 10-15 years. Ducts may need replacing within 10-15 years. Your equipment will have a longer life if you have regular tuneups and maintenance to keep everything in good working order. If you’re having repair problems and your HVAC system is over 10 years old, it’s a good time to consider the costs and benefits of repairing vs. replacing. Energystar.gov provides the following tips to help you decide whether to repair or replace:

  • Your HVAC system needs frequent repairs and your energy bills are increasing.
  • Your cooling or heating equipment is less efficient.
  • Rooms in your home are too hot or too cold.
  • Your heat pump or air conditioner is more than 10 years old.
    • Replacing your system with an Energy Star-certified unit could save up to 20 percent on your heating and cooling bills.
  • Your furnace or boiler is more than 15 years old.
    • You may choose to replace your system with an Energy Star-certified furnace (which is 15 percent more efficient than a conventional furnace) or an Energy Star-certified boiler (which is 5 percent more efficient).
  • Your home has humidity problems.
  • Your home has excessive dust.
    • Leaky ducts can pull particles and air from attics, crawl spaces and basements and distribute them throughout your house. Sealing your ducts may be a solution.
  • Your heating or cooling system is noisy.
    • You could have an undersized duct system or a problem with the indoor coil of your cooling equipment.
  • Your score on the Home Energy Yardstick is below five.
    • That means your home energy use is above average and you're probably paying too much for your utilities.

How much will it cost me to replace my furnace?

The national average for furnace replacement is between $1,800 and $2,500. The cost can range dramatically higher depending on the model of furnace you select, any repair work you require, your location and the cost of installation. Furnace installation costs can be more than the furnace itself due to the cost of doing business and the expertise needed to install the HVAC equipment. Installing a new furnace generally requires technical know-how and the proper tools and licensing. It’s best to hire a pro and budget for furnace installation rather than risk potentially unsafe DIY installation. This will ensure your home’s safety. Check to see if your HVAC contractor has the proper licensing to do the job. If you need duct repair or replacement, expect to pay more for your furnace installation costs. The price for duct repair could be an hourly rate ranging on average anywhere from $85 to $150 per hour, with additional costs for parts.

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