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Avatar for Major league hvac
Major league hvac
5.0(
20
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Dover, DE and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Warranties offered

"Mike and his team did a great job with installation of a complete new HVAC system involving a ducted system on the 1st floor and mini splits on the 2nd floor (this set up best accommodated our house for function and zoning). Their experience and knowledge was demonstrated by their well planned work and installation, including working around existing conditions such as tight crawl spaces, as well as coordination with existing plumbing, electrical, structural components, etc. They coordinated and were accommodating of requests for equipment and vent locations. And they started and completed the work as promised. I would highly recommend them."
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+6

7 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Top Flight Heating & Air
Top Flight Heating & Air
4.9(
38
)
Central A/C - Service or Repair

Serving Dover, DE and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"Very knowledgeable and professional owner and staff, fast and reliable, very pleased with our new AC unit/heater and maintenance. Also installed a new mini split system in my sunroom. Very happy with Top Flight"
Repair Heat
Adjust Thermostat
Check Electrical
Check Refrigerant
Photos

+39

Response time7 hrs
22 neighbors recently requested a quote
Recommended by61%of homeowners
Avatar for Aire Serv of Newark & Middletown
Aire Serv of Newark & Middletown
4.7(
38
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+3 more

Serving Dover, DE and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"First class service from the initial call through the install. Chris and Jeff were on time for services and completed the job in a timely manner. Very impressed with their professionalism, communication and quality of work. I will be using Aire Serv for all of my future services and repairs. I highly recommend Aire Serv to anyone in the area."
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+128

25 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Prism Enterprises Parent Company, LLC
Prism Enterprises Parent Company, LLC
4.7(
396
)
Air Ducts & Vents - Clean

Serving Dover, DE and surrounding areas

Approved

In business since 1982

Free estimates

Emergency services offered

Prism Enterprises, LLC, is a locally owned and operated business. **Celebrating 45Years** Available Franchises Nationwide:\nWe're now licensed to sell franchises nationwide. And have already welcomed new franchisees to our team. Congratulations to the new locations: Cecil County, Hartford County, Southern PA. If you ever thought about having your own business. This could be it. Able to work from your home. And for a short time. Financing available. If you or someone that you know may be interested. Give us a call. And talk to our CEO.\n\nOur Mission:\nPrism Enterprises dedicated to providing the best value and craftsmanship for our customers and the communities we serve through service, education and commitment protecting your property, environment and you.\n

Scramble?
9 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Lawson Home Services, LLC
Lawson Home Services, LLC
4.6(
60
)
Air Ducts & Vents - Clean

Serving Dover, DE and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

Lawson Home Services is the one that gets it done. We are professionals and will solve your radon problems quickly. From start to finish we are working to reduce your radon levels by doing the job correctly. Give us a call today.

Metal Door Crawlspace Entrace
Turtl Crawlspace Entrance
Attic Air Leaks
Attic Air Sealing
Garage Loft Ready for Sprayfoam

+137

Response time9 hrs
166 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Done Right Today, Inc.
Done Right Today, Inc.
4.8(
582
)
Central A/C - Service or Repair

Serving Dover, DE and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Problem: Fractured drain pipe inside basement foundation wall. Outstanding work by all involved. Marybeth was very courteous on the phone. Ryan arrived on time, assessed the requirement and quoted an estimate of cost. Done Right's price was similar to the other two bids. All were about $1K higher than expected; but probably reasonable in light of the +4 hours of hard labor involved. The following week. Colin and Jamiel arrived on time, assessed the situation, and quickly went to work. They manually excavated +3 feet of dirt and clay between the vent pipe and outside wall, and removed the fractured section of drain pipe. They discovered the main drain line had settled deeper into the ground, which probably caused the pipe to split inside the basement. They expanded the original opening in the foundation wall to align and connect the old and new pieces, applied hydralic cement to fill the gaps, refilled the hole, and cleaned up the entire work areas, including the front entry way. Jamiel and Ryan did an outstanding and professional job, working expertly together as a team. Unfortunately when it rained heavily three days later, there was water seeping through the concrete patch. Two days later, Done Right sent Ryan and Adam to correct the issue. They chished out the cement and completely resealed the entire area. Fortunately, when it rained again, the new cement patch worked fine with no leaks. Adam and Ryan did an outstanding jod. Done Right honored its three year warranty for parts and labor. We will call Done Right again for our future plumbing needs and recommend to neighbors for their quality workmanship, commitment to excellence, courtesy, and professionalism."
My jobs
My jobs
My jobs
My jobs
Response time1 day
Response rate100%
201 neighbors recently requested a quote
Avatar for Elite HVAC-R Service
Elite HVAC-R Service
5.0(
5
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Dover, DE and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

We're a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!

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Air Conditioning questions, answered by experts

They can, but it’s not as common. Window AC units are much smaller than whole-house systems and less likely to develop refrigerant leaks or similar issues. As a result, you will rarely need to add a new refrigerant, limiting overcharging problems. However, it’s still important to leave refrigerant management in the hands of professionals when window units need work.

No, it isn’t necessarily bad to turn your AC on and off frequently—contrary to popular belief. Even if you stop and start your AC throughout the day, it won’t use as much energy as it would if you ran it nonstop. 

If you’re concerned about your power consumption and energy costs, there are a few simple ways to use your AC more efficiently. Regularly cleaning the filters, scheduling routine maintenance, and using a programmable thermostat are all great choices.

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. 

You should only run your dehumidifier in warmer months, such as spring and summer, to get the best performance out of your system. The air gets drier when temperatures drop in the winter months, creating less of a need for a dehumidifier. However, when to run a dehumidifier will depend on your local climate.

Some AC filters, known as reusable filters, can be cleaned and reinserted. Most AC filters, however, are disposable and cannot be cleaned. 

The Dover, DE homeowners’ guide to air conditioning services

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