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TRUSTED BY WILMINGTON, DE HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon748
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Wilmington - Updated Nov 2026

Avatar for One Hour Heating & Air Conditioning
One Hour Heating & Air Conditioning
4.4(
108
)
Central A/C - InstallCentral A/C - Service or RepairHeat Pump - Install or Replace+6 more

Serving Wilmington, DE and surrounding areas

Approved

In business since 1991

Free estimates

Emergency services offered

"My Google review for James. If you need excellent emergency heating service, One Hour Service is the place to call. They are fast, efficient, and truly professional. My technician, James Schmidt was incredible and very respectful. He walked me through the entire process, explained his recommendations clearly, and his product knowledge was A1. For your HVAC James gives a peace of mind for your home. One Hour Service offers a Family Plan for tune up’s and yearly checks for my unit to supports the air quality in my home. I would absolutely recommend One Hour Service to my family, friends, and neighbors—simply the best."
Project Photos
Response time3 days
Response rate100%
21 neighbors recently requested a quote
Avatar for Aire Serv of Wilmington
Aire Serv of Wilmington
4.9(
7
)
Central A/C - InstallCentral A/C - Service or RepairElectric Furnace / Forced Air Heating System - Install+47 more

Serving Wilmington, DE and surrounding areas

Approved

In business since 1992

Free estimates

Warranties offered

"From soup to nuts, the entire experience was made easy for us by the company. The salesman, Nick, came out to see us the day after my system kicked the bucket, and after checking out the system, he presented me with a few different options, and without using fancy words, explained everything plainly and easy for me to understand. After I discussed things with my wife, we called him a few hours later to give the go-ahead, and he had us scheduled just 2 days out. The installation team arrived promptly at the scheduled window, and took care to treat our house like it was their own. Drop cloths were used to protect my flooring, and after the job was done they made sure to remove all the debris from the job so nothing was left. After the job was done, the job foreman took me around and showed me everything that they did and explained the function of the system, and when I had questions, they explained plainly and without complaint or exasperation. They treated me and my house with the utmost respect. I highly recommend this company for any HVAC needs anyone might have."
13 neighbors recently requested a quote
Recommended by83%of homeowners
CleanCareCleaningServices
5.0(
32
)
Air Ducts & Vents - Clean

Serving Wilmington, DE and surrounding areas

Approved

Free estimates

Emergency services offered

Customers say: Quick response

"I cannot recommend this cleaning company highly enough! I hired them to do a deep clean on a three-story townhome to get it ready for the rental market, and they exceeded every expectation. Preparing a rental property is always stressful, but they made the transition seamless. Managing three floors of living space is no small feat, but the team tackled it with incredible efficiency and attention to detail. Here is what really impressed me: Flawless Attention to Detail: They didn't just do a surface wipe-down. They got into every nook and cranny, from the baseboards and window tracks to the inside of the appliances and cabinets. Tackled the High-Traffic Areas: With three floors, stairs can be a nightmare to get perfectly clean. They made the stairwells and banisters look brand new. Professional & Reliable: They arrived right on time, brought all their own high-quality supplies, and worked tirelessly until the job was done."
10 neighbors recently requested a quote
Avatar for Pro Services
Pro Services
4.8(
152
)
Air Ducts & Vents - Clean

Serving Wilmington, DE and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Emergency services offered

"The technician was great he diagnosed the problem with my gas fireplace and fixed it right away. I definitely would recommend hiring Chimney and Duct Experts for their service."
Chimney Cap Installation
Smoke chamber before
Chimney Sweep Project
Fireplaces Project
Chimney Sweep Project

+36

Response time4 days
Response rate100%
47 neighbors recently requested a quote
Avatar for Lawson Home Services, LLC
Lawson Home Services, LLC
4.6(
60
)
Air Ducts & Vents - Clean

Serving Wilmington, DE and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Service man was very polite, knowledgeable and friendly. Clean up was great and really explained the importance of having our vents cleaned. Already recommended Larson to a neighbor."
Metal Door Crawlspace Entrace
Turtl Crawlspace Entrance
Attic Air Leaks
Attic Air Sealing
Garage Loft Ready for Sprayfoam

+137

Response time9 hrs
150 neighbors recently requested a quote
Recommended by92%of homeowners
F.H. Furr Plumbing Heating AC & Electrical
5.0(
5
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Install+47 more

Serving Wilmington, DE and surrounding areas

Approved (Corporate)

Emergency services offered

Coastal living on Delaware’s Eastern Shore means your cooling and heating systems face constant challenges from salt air, moisture, and temperature swings. Whether you're by the beaches, inland, or up in New Castle, our HVAC specialists deliver solutions that stand up to local conditions while maximizing your home's efficiency. Plus, we tackle all plumbing and electrical issues when your home needs it most. Book your service with F.H. Furr today and enjoy quick, reliable comfort backed by licensed technicians.

5 neighbors recently requested a quote
Avatar for Prism Enterprises Parent Company, LLC
Prism Enterprises Parent Company, LLC
4.7(
396
)
Air Ducts & Vents - Clean

Serving Wilmington, DE and surrounding areas

Approved

In business since 1982

Free estimates

Emergency services offered

"Mark and helper climbed their ladder outside to the Soffit under the roof overhanging. They cleaned the vent and ran a brush all the way down to the clothes dryer. Now my clothes are dry and the amount of dust has increased due to the opened pathway. Any dust that came outside was cleaned up. Great job. Thanks!"
Scramble?
11 neighbors recently requested a quote
Recommended by94%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

The cost to add Freon to an AC ranges from $100 to $350. It can increase up to $600 for large AC units requiring much more coolant. The cost also depends on how much refrigerant your unit needs. If only a small amount of Freon leaked out, your cost would be on the lower side. A complete replacement of all the required refrigerant can get expensive.

Setting your AC unit to 78 degrees can, indeed, help you save energy. In fact, according to experts, every degree you turn the unit up could save you between 1% and 3% on your energy bills. That said, turning your unit off entirely while you’re out might actually be less efficient than keeping it on at a higher temperature. Why? The unit will need to work extra hard to cool the house back off again after all those hot hours. 

Yes, AC coil cleaning is definitely worth it. Cleaning your AC coils ensures your AC unit will function efficiently for the long term. Dirty and grimy AC coils make your unit work harder to cool your home, resulting in higher electric bills. Additionally, having your coils professionally cleaned regularly will reduce the possibility of extensive maintenance and repair costs.

Traditional central air conditioning systems require ductwork to circulate air throughout the home. Alternatively, you can add air conditioning with a mini-split ductless air conditioning system, which can be just as energy efficient as a central air conditioner. This type of system consists of two units–an outside unit that holds the compressor and condenser and an indoor unit that holds an air-handler. With multi-zone ductless systems, there are multiple indoor air handlers tied to a single outdoor compressor/condenser, allowing the system to cool multiple rooms.

Most AC repair technicians will take between two and six hours to carry out repairs, depending on the work needed and the accessibility of the unit. For example, recharging refrigerant lines should take one to two hours to service, while replacing a compressor, blower fan, or other major components can take five to eight hours. You can ask your AC repair technician how long they expect the job to take, but just in case, you should plan on being home and available for most of the day.

The Wilmington, DE homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.