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Find Air conditioning pros in Wilmington

Avatar for Desmond Heating & Cooling Solutions
Desmond Heating & Cooling Solutions
4.5(
68
)

Serving Wilmington, DE and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Mr. Desmond from Desmond Heating and Cooling Solutions, LLC came on time and was very professional. He fixed my thermostat and made sure I enough Freon and have central air throughout the house."
DHCS
DHCS
DHCS
DHCS
Response time3 hrs
Response rate93%
10 neighbors recently requested a quote
Avatar for One Hour Heating & Air Conditioning
One Hour Heating & Air Conditioning
4.4(
108
)

Serving Wilmington, DE and surrounding areas

Approved

In business since 1991

Free estimates

Emergency services offered

"Rich from One Hour Heating and Cooling was great! He took the time to tell me exactly what went wrong and went above and beyond to provide great services on my AC unit. One Hour Heating and Cooling is the only business I would go to for my AC needs."
Project Photos
Response time3 days
17 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Aire Serv of Newark
Aire Serv of Newark
4.8(
15
)

Serving Wilmington, DE and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"Hired them from their Elkton Maryland branch. They did excellent work. The office staff was very courteous and helpful. Great company. Had my furnace fixed expediently. Thanks, Aire!"
Replacement Systems
Replacement Systems
Replacement Systems
Condenser Replacement
Spring AC tune-up

+86

Response time5 hrs
Recommended by85%of homeowners
Avatar for Aire Serv of Wilmington
Aire Serv of Wilmington
4.9(
7
)

Serving Wilmington, DE and surrounding areas

Approved

In business since 1992

Free estimates

Warranties offered

"AirServ installed central air conditioning system. We are very satisfied with the timeliness and professionalism of their work. They respected our property and left it in excellent condition. They went over and above their work plan. We expect to have a long relationship with them."
18 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for WM Henderson Plumbing & Heating
WM Henderson Plumbing & Heating
4.1(
45
)

Serving Wilmington, DE and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"Paul responded to my call on a Sunday morning to service our gas hot water heater, which had stopped working. He quickly found a slow leak that had put out the pilot. Then in under 3 hours, he replaced the old hot water heater with a new one and we were back in business."
WM Henderson tech doing tune-up
WM Henderson Tech with condenser
33 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Done Right Today, Inc.
Done Right Today, Inc.
4.8(
581
)

Serving Wilmington, DE and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"I had Montrell install some gas pipe for a dryer hook up. He is an absolute professional. Above and beyond what I expected. He was so good, I asked for him by name the next time I needed plumbing done. He connected my fridge water line."
My jobs
My jobs
My jobs
My jobs
Response time1 day
Response rate93%
302 neighbors recently requested a quote
Avatar for Harris Plumbing, Heating, Air & Electrical
Harris Plumbing, Heating, Air & Electrical
3.9(
44
)

Serving Wilmington, DE and surrounding areas

Approved

In business since 1988

Credit card accepted

Customers say: Quick response

"Angel at Harris Plumbing, Heating, Air, & Electrical helped me with an issue with my HVAC. He was very professional, courteous and thorough. He did a great job explaining the issue to me and the work he did to resolve the issue. I would highly recommend Angel and Harris Plumbing, Heating, Air & Electrical."
Team
Team
Team
Truck
Truck

+8

Response time1 day
410 neighbors recently requested a quote
Recommended by33%of homeowners
Avatar for Burns and McBride
Burns and McBride
3.8(
16
)

Serving Wilmington, DE and surrounding areas

Approved

In business since 1949

Free estimates

Emergency services offered

Welcome to Burns & McBride Home Comfort! We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! . We know the heating and cooling busiiness inside out. After all, we have been in the business for over six decades. You can always count on Burns & McBride Home Comfort to meet all of your needs. Heating & Cooling technicians offer quality customer service because we believe you shouldn't expect anything less. It is our mission to provide the best service available and to get the job done right the first time and every time.

Response time2 days
52 neighbors recently requested a quote
Recommended by100%of homeowners
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Showing 1-10 of 276

FAQs for air conditioning projects in Wilmington, DE

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The Wilmington, DE homeowners’ guide to air conditioning services

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