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Avatar for Doyal Heating and Cooling
Doyal Heating and Cooling
5.0(
40
)

Serving New Castle, AL and surrounding areas

Approved

In business since 2002

Emergency services offered

Warranties offered

"Very quickly diagnosed my furnace's problem and had the part onboard their truck, which was impressive to me because it's a mobile home furnace. Price of the part was far less than I expected and the labor cost was as well. I was particularly impressed that even though the owner of the company was having surgery that very time, they put my lack of heat as a priority and honored the appointment---even though they could have rescheduled. An excellent company doing business in a more than "fair" way; I would call them "customer-centric" and even "self-sacrificial"---and that is not hype. I recommend them above all other HVAC companies local or franchise (I have been ripped off by several of them, so I think I have a basis for this claim)."
New installations.
Mitsubishi Installation
Response time4 hrs
6 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for One Hour Air Conditioning & Heating of Birmingham
One Hour Air Conditioning & Heating of Birmingham
4.8(
95
)

Serving New Castle, AL and surrounding areas

Approved

In business since 2005

Emergency services offered

Warranties offered

"He was very professional and nice I will recommend James to do services on. anybody ail conditions and heating unit"
System Check
System Check
System Check
System Check
78 neighbors recently requested a quote
Recommended by86%of homeowners
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Avatar for Aire Serv of Birmingham
Aire Serv of Birmingham
4.5(
328
)

Serving New Castle, AL and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Our experience with Kevin from Aire Serve was excellent. He arrived when he was scheduled to arrive. He was very courteous and respectful. He explained everything he was doing and fixed the problem within an hour. I would recommend this company for your HVAC needs."
Before replacement
After replacement
Company Wide
Company Wide
Company Wide

+9

Response time1 day
Response rate85%
4 neighbors recently requested a quote
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Avatar for Ontime Service - Electrical, Heating & Cooling, & Plumbing
Ontime Service - Electrical, Heating & Cooling, & Plumbing
4.6(
167
)

Serving New Castle, AL and surrounding areas

Approved

In business since 1975

Emergency services offered

Warranties offered

"Works great now. No leaks. And came out twice on this holiday weekend! (We also had ceiling damage from this leak so it was an emergency!)"
Response time1 day
21 neighbors recently requested a quote
Recommended by86%of homeowners
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Avatar for Bama Air Systems Mechanical Contractors, Inc
Bama Air Systems Mechanical Contractors, Inc
4.9(
14
)

Serving New Castle, AL and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"Nathan, John and Kenny removed old systems and installed 2 new HVAC systems in my home in 2 days. I was very impressed by their professional work ethic, knowledge, engineering solutions and especially their "can do" attitudes to anything. This was a complete team effort. Thank You!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+14

Response time6 hrs
13 neighbors recently requested a quote
Recommended by92%of homeowners
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Avatar for Overflow Heating and Cooling LLC
Overflow Heating and Cooling LLC
4.4(
173
)

Serving New Castle, AL and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

Founded in 2013, Overflow Heating & Cooling LLC is a family-owned and operated heating and cooling company serving Jefferson County and the surrounding areas. We provide customers with high-quality heating, air conditioning, indoor air quality, attic insulation, and duct cleaning services. Our success continues with the philosophy of our founder: "Treat others as you would want to be treated." Financing Available

Projects
Projects
Projects
9 neighbors recently requested a quote
Recommended by95%of homeowners
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Avatar for J&J Duct Solutions
J&J Duct Solutions
5.0(
6
)

Serving New Castle, AL and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"They were incredible to work with! So accommodating and respectful. I don?t know much about ac since my husband passed away and the helped every step of the way. From answering questions I didn?t know to recommending me what would work best in my area. I would recommend them to anyone who needs any HVAC services done! They really are the best. Thank you so much J+J DUCT SOLUTIONS."
18 neighbors recently requested a quote
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Avatar for Plus One Heating and Air
Plus One Heating and Air
3.9(
8
)

Serving New Castle, AL and surrounding areas

Approved

In business since 2019

Emergency services offered

Credit card accepted

"When I need HVAC work performed, I know I can trust him to give honest recommendations on whether to repair or replace it."
Heating and Air Conditioning Project
Response time11 hrs
Response rate96%
51 neighbors recently requested a quote
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FAQs for air conditioning projects in New Castle, AL

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 New Castle, AL homeowners’ guide to air conditioning services

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

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