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42 Degrees

5.0 (1 review)
Open • Open 24 hours

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HVAC installation or replacement

HVAC system repair

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2 years ago

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Residential Express Heating & Air - Truly grateful for being 1 of America's 150 Favorite small businesses! featured in Entrepreneur Magazine, July 2023 edition.

Residential Express Heating & Air

(476 reviews)

Called Residential Express for a full-system replacement quote in October. Was pleased with the…read moreexperience, which simply involved taking measurements and asking what changes I might want with the setup--much better than the high-pressure sales pitch from the bigger companies in the area. We pushed off the replacement thinking our unit would survive one more winter, but of course of furnace went out unexpectedly in the middle of the night during one of the coldest stints of the season. Called Residential Express the following morning, they pulled up my quote from 4 months prior, verified the price hadn't changed and were able to schedule me for a full HVAC replacement the next day. Freddie and Flavian arrived on time and were very professional moving through our house and working in our backyard and utility closet. They explained any changes they needed to make, went over the new setup and recommended service intervals, and hauled all of the old equipment away, leaving our house looking better than when they arrived. Very happy with our experience with Residential Express and wouldn't hesitate to use them again.

RES installed new HVAC in September 2021. Freezing temps last night and my heat wouldn't kick on…read more Needless to say, it's cold in the house. Literally wearing a sweater and two sweater wraps. New HVAC filter, reset breaker. Thermostat batteries are fine. Still not kicking on. Sent Yelp message to RES because they have always been quick to respond. And they did this time as well and the woman who gave me a call was nice and tried to help. Pretty disappointed that they can't quickly swing by today. From what I've read, it's likely a dirty flame sensor or the ignitor switch (neither of which is a long job - I just don't have the tools). HVAC less than 5 years old, so parts are under warranty with RES; however, I had to call someone else. Bottom line: Someone else is coming today, but I could end up paying for parts. Kind of feels like my current needs weren't lucrative enough for RES to make a concerted effort to swing by.

C.D. Shanahan’s

C.D. Shanahan’s

(180 reviews)

Great experience with CD Shanahan's. Ultimate due diligence and customer service. Never tried to…read moreover charge and made sure the job was completed. Scheduling was a breeze and always arrived within the window with a good heads up. Will use again for our heating and AC needs

Absolutely outstanding service from C.D. Shanahan's. Armando, Juan, and Elijah were incredible!…read moreArmando and Juan from C.D. Shanahan's HVAC, Plumbing, Electrical & Remodeling LLC came out right before an impending severe snowstorm and worked in sub-15° weather from 8 AM to 8 PM to uninstall our broken Heat Pump and Air Handler and replace them with a brand new Heat Pump and Air Handler. Simply put: these guys were the best. Incredibly professional, hardworking, and dedicated from start to finish. They didn't rush a single step. They also helped install a new thermostat, made sure everything was running smoothly, and ran all the necessary tests to ensure the system was operating perfectly before they left. Huge shoutout to Elijah as well!. He took the time to explain everything in detail about the humidifier, thermostat, and Air Handler, and gave us genuinely valuable maintenance tips that made us feel confident moving forward. C.D. Shanahan is probably the best HVAC company you've never heard of. If you want a team that shows up, works hard, communicates clearly, and takes real pride in doing the job right. Highly recommend.

TC HVAC Services - Bryant Evolution system outdoor upgrade

TC HVAC Services

(48 reviews)

I can't recommend TC HVAC Services enough. They quite literally may have saved my house from…read moreburning down. Thea, the owner / service manager, came out to inspect our AC system and immediately noticed something dangerous: the previous installer had set up the outdoor disconnect without a fuse, which is a major safety issue. Because of that, the wiring had burned and nearly made its way into the house. T patiently explained everything to me--what went wrong, why it was dangerous, and what the proper setup should be. He recommended replacing the disconnect with a fused version, and clearly laid out the potential risks and what to expect. When we turned the system back on, we were holding our breath... and to our relief, the 10-year-old compressor kicked on just fine. T could have easily told me I needed a whole new unit, but instead, he was honest, transparent, and incredibly knowledgeable. I even looked up everything he explained afterward--and it all checked out. By the way, the communication was excellent--I reached out through Yelp and was kept in the loop with email reminders and messaging right through the app. Everything felt smooth and professional from start to finish. In the attached photos, you can see the burnt wiring and connector from before, and the new fused disconnect they installed. The difference is night and day. If you want HVAC work done right, by people who take the time to do things safely and explain them clearly, TC HVAC Services is the team to call. I thought the cost for the service was very fair, and I'm really glad I found them.

My HVAC unit was not cooling. We were in a heat dome and it was HOT ! TC was quick to answer and…read morecame out right away. Unfortunately they found the compressor was done. The unit was dated so they recommended a new HVAC system. Their prices are reasonable and close to what others proposed. Though I did not buy my system from them - (I accepted a slightly better quote from a competitor)- they were super helpful and quick to help. 5 stars ! I would recommend them for repairs and system upgrades if you are in need. Be sure to include TC for HVAC system replacement quotes.

Alex Hvac Service - Our team Alex Hvac Service

Alex Hvac Service

(12 reviews)

5/5 service! I…read morewould recommend this company to anyone who is in need of HVAC services. Big or small problem it is important to take care or it before the winter. My AC abruptly stopped working during the hottest month of the summer. I'm my house everyone works at home so it was important to get it fixed asap. I contacted a few companies that gave me quotes that had either contingencies or a few week wait. When I contacted Alex HVAC the quote that I received was very clear and an agent was dispatched to my house that same evening. The agent was very polite and professional. We had our AC back and running within few hours. I definitely recommend this company if you are looking for quality work and reliable price.

Alex is not the ultimate professional you say he is. His company installed an ac unit in my roof…read moreand installed it very poorly and will not answer calls and text to get it corrected. He installed and industrial sized AC and heating unit on my roof inappropriately and now I have roofing damage which I'm asking him to come make the correction and he will not respond. If you are looking for installation on your roof, stay away from this company because they do not keep their promise. In the videos, you can see that they dropped it directly on my roof and now it's starting to leak. I would never hire this company again and you should be careful. I see that he is reading my text messages but not responding so that means he doesn't want to come and finish what he messed up. Disappointing.

Leonard Splaine - The Leonard Splaine Team giving the Sonny the HVAC dog thumbs up. Northern Virginia's best in heating, air conditioning and generators

Leonard Splaine

(41 reviews)

When it was time to replace our oil furnace, we did lots of research and are so happy we chose…read moreSplaine. From the beginning when a rep first came to assess our existing equipment we were impressed with his knowledge. There was no hard sell, just a great education on the workings of the furnace. The techs who installed the new furnace also did some modifications to increase the efficiency of our heat pump. No extra charge. Mike Showalter was a pleasure to work with and his technical expertise left no doubt that we were left with an excellent heating system.

Leonard Splaine installed a new HVAC system at my home in March 2026. My old system was very old…read moreand wasn't cooling during those 80 degree days that hit us in March. Rudy came out and diagnosed the problem. A coil was leaking. He walked through all of my options, and we determined a new system was the best based on the age of my system. Brad then came out and meticulously mapped out my new system, provided options and pricing. The pricing was reasonable and I got a discount for replacing my end-of-life hot water heater at the same time. A few days later, Jose, Dom and Francisco came out and installed my beautiful new HVAC (and hot water heater). They were amazing! They were quick, thorough, and efficient. They kept me informed throughout the installation and everything was cleaned before they left. I HIGHLY RECOMMEND Leonard Splaine for all your HVAC needs!

42 Degrees - hvac - Updated May 2026

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