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    D&T Heating & Cooling

    3.5 (12 reviews)
    Open 8:00 am - 11:00 pm

    Services - D&T Heating & Cooling

    HVAC installation or replacement

    HVAC system repair

    HVAC system maintenance

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    5 months ago

    I have been using these folks for several years. Service is great, pricing competitive, and the staff is marvelous!​

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    11 years ago

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    9 years ago

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    Aire Serv of Newark DE

    Aire Serv of Newark DE

    (10 reviews)

    Excellent and timely service, friendly people. Aire Serv has helped us out a few times and always…read moredo a great job. I highly recommend them for any HVAC needs.

    working with Newark Delaware Aire Serv has been the worse and scary experience for me. And I'm not…read moreone to sit here and write reviews for no reason, but I feel if there's a chance I can help someone not make the mistake I just did than that's a good thing! So my AC system failed over a year and a half ago and as most would know it having ac systems repaired or replaced can be extremely expensive for some of us. So I had to save money for over a year. I called multiple companies got multiple quotes and went with this one. So aire serve gave me the best price and I decided to go with them. Just over 5300 for a new indoor coil and outside condenser. Someone came out, did their inspection, took measurements, sat down with me went over the options. So 5300. So April 3 2026 on a Friday two guys came out and installed the new ac system. And just a couple days later my outside unit has ice all over the lines and my basement floor had water all around the floor where the ac coils and furnace are. I called aire serve and they sent out a tech, so now I have no ac as I shut it off to avoid more water on the floor. The tech comes out and says I just need to top of the refrigerant, the pressure seems to be off, I'll be back in a hour. He comes back tops it off and still not right. He talks to someone named Matt and now it's a thermal expansion valve so now a few days go by with no ac because they have to order the part and schedule to install. Next a more senior tech comes out to do another inspection and install the TXV and this is where it gets worse! He says it's not the TXV valve, I'm now told that I have a rear/back facing air intake which not good at all. I'm told it needs a bigger duct coming off the side and pulling hotter air from up stairs and not cooler air from in the basement. So imagine this you finally are able to get the money together to fix your homes ac..... 5300.00 dollars! And are told after the fact now you need duct work for that ac to work properly and if I don't get the duct work done it will shorten the life expectancy of the compressor!! They sent out someone to check everything and sell me a system! You sell me a system and then later it's found out that I need duct work. That is something that should have been told to me from the very beginning!! Don't take over 5k from me and than later tell me oh sorry now you need to replace duct work too!!! It is aire serves job to have the information and knowledge of what they are working with and installing. If they sent someone out that knew what they were looking at I would have addressed the duct work problem and than taken care of the ac at a later date! But NO.... Now my money is gone and I have a non working ac. The last tech that came out talked to someone above him named Matt and basically I'm being told he was just sending it to managers above him. The tech tells me they are gonna work on a solution to make this right. And give them a day or two to reach out. I have been patient.... I have waited....and I got nothing from anyone. No phone calls, no help nothing. I'm sitting here with 5300 gone and no ac. I hired this company because I wanted the job done right and wanted the comfort and security of knowing that I will be taken care of for the next ten years and I felt I'm going to go with a good reputable company with good reviews. I don't have a lot of money and I wanted to feel protected with this big purchase. So if you can think about that. Imagine spending thousands, giving a company thousands of dollars of your money just to be told that purchase will not work right unless you replace duct work! That is your job as a hvac company to thoroughly explain this to me from the very beginning so that I can better decide the right route to take to make this right. If your person that came out to sell me the system doesn't have the knowledge or proper information that is YOUR problem not mine! Multiple visits multiple diagnoses multiple phone calls and no one will do anything to come up with a solution to this problem. and also an update on this situation they sent two manangers out to my house who spent a few hours here. didn't really say to much to me. in the end said ok now no duct work is needed. They won't be replacing or making anything right. this is what I was told After 2 install techs 2 service techs and 2 MANAGERS..... the two managers which one of them was extremely cocky and arrogant and tried to pin the malfuntioning of the system on me.... I was told oh we adjusted the fan speed!!!! The fan speed??? 6 people from air serve come out and you couldn't figure out my fan speed was off? So now I was told I can only run my ac on hotter days ok makes sense. Don't want to run it too cold. So I ran it again when it was well over 70.... and bam Iced coils again and condenser frozen and no cold air. The one manager said they would send someone out to replace the vinyl line from my condensation pump never saw that.

    SK Heating and Air Conditioning

    SK Heating and Air Conditioning

    (183 reviews)

    SK came out and did a seasonal checkup on our AC. We're new to the home and area and found SK…read morethrough Yelp. They were on time, checked out the AC, added coolant and then took a quick peek at the furnace. They said both look good for the age (17 years) and should be good for a while. I had questions about rebates for heat pumps and he had answers about rebates, rough costs and advantages of the new heat pumps. He reiterated that we didn't need to change out our current equipment but if we feel it's important for environmental reasons there are good options. We'll definitely be using them going forward, and have a fall furnace checkup scheduled.

    since 2018 Saki has done the yearly maintenance our rental property for $54. Last cooling season he…read moresaid the outside unit was near the end of its life, the unit was in the house when purchased. It''s a rental when it dies, we'll replace it. On the first cold day this winter he claims the heater is all rusted out in the exchanger and has to be replaced, along with the entire system because a new heater can't work with an old air conditioner. Our neighbor suggested we call their guy. He's been in business for 30 years. Needless to say, the heater was not rusted he showed me the unit was very dirty, the fan motor and wheel were clogged with dirt and there were two dead birds in the chimney. The outside air conditioner was only 10 years old. I'm convinced SK had never done anything other than collect their fee and try to sell stuff we didn't want or need.

    Enhanced Heating & Air Conditioning

    Enhanced Heating & Air Conditioning

    (9 reviews)

    I had a loud noise coming from my compressor outside my house. I called Enhanced to diagnose my…read moreissue and fix it, to be frank. The technician came out and took a quick look and determined the issue was with the fan blades for the fan motor, as the motor was not binding. This noise was super loud with a grinding component. Well he did not have a fan blade, so he would have to order it. The diagnostics cost me 69 bucks...I would have been ok with that for a thorough diagnostics. Additionally, my system was old so there was a recommendation to replace the system. I agreed that a new system quote was in order. Later, I was told to replace the fan blade (one bolt install) would cost me 385 bucks?... I just ordered the fan blade ($80) only to find out no way that noise could have been coming from a fan blade. Also, I found some repair folks online (youtube) that helped ME diagnose the problem correctly. It was the compressor causing the issue. BTW the price for replacing the fan was in addition to the diag. fee not including it as most companies do... The only good thing that came out of this interaction was the company that sold me the fan accepted the return, and the price I was quoted for the new HVAC units was very competitive. I just did not have the confidence in them to install my system or back the warranty.

    My AC crashed during this heat wave and it was Friday evening. I contacted a few other places but…read morethey could not come due to their busy schedule. So I called Enhanced on SATURDAY MORNING and they were able to send someone within a couple hours from the time I called. They were very polite and professional. When their tech arrived ( on time ) he asked a few questions and diagnosed the problem in about 5 minutes. It was a blown capacitor in the condenser unit. He had the whole job done amazingly fast! The bill was very reasonable, especially for an emergency call on a weekend! I will be sticking with them long term. I HIGHLY recommend this company--you won't be disappointed!!! I am lucky I found them!!

    Hillside Oil Heating & Cooling - Hillside Heating & Cooling

    Hillside Oil Heating & Cooling

    (14 reviews)

    After several estimates and many weeks of trying to decide which HVAC company to use to replace our…read moreair condition and heating system, we came across Hillside Oil Heating and Cooling and we're glad we did. After consulting with the Service Manager who was patient and answered all our questions, we felt comfortable in our decision to go forward with this company. In addition to their good reviews and ratings, their price was even better than the competition. The workmen were experienced, efficient, knowledgeable, on time and very neat and the installation was done in one day. I highly recommend this company if you're looking for good value and high quality service.

    I was introduced to Hillside because I recently won a gift certificate for oil at a New Castle…read moreCounty Chamber event. I had never used them before, however due to my e citing prize, I called for the delivery. I wasn't sure of the reception I would receive due being the recipient of free oil, but the customer service was amazing! I was even given advise on my thermostat, as I was on the very low side of oil in my tank. I also compared pricing to my regular oil delivery company, and Hillside was less expensive too! (Should I have been paying) From KC's pleasant & helpful voice over the phone to your delivery guys, you have a top notch organization. We were very pleased with the service we received - and our dogs were happy with the calling card and dog treats left on our door knob too! I have since placed 2 additional orders with Hillside after I used my certificate - and will continue to do so. Thank you again! p.s. I also appreciate your sponsorship of Paws for People - my dog Reiley was a "Paws" dog 10 years ago, and the organization is so important for so many!!

    D&T Heating & Cooling - hvac - Updated May 2026

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