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Top-Rated Air conditioning pros in York - Updated Nov 2026

Avatar for Dean's Heating & Air Conditioning
Dean's Heating & Air Conditioning
4.9(
110
)
Central A/C - InstallCentral A/C - Install - For BusinessDuctless Mini-split A/C - Install or Replace

Serving York, PA and surrounding areas

Approved

In business since 1988

Free estimates

Emergency services offered

"Dean's Heating and Air Conditioning have been great since the first call I received back from Lisa. They are very customer focused!! Mike and his team did an excellent job and went above and beyond to replace our duct system that had rusted and collapsed. This was not an easy job b/c our duct work is under the house in a crawl space. ]hey took the time to assess the space and our problems and designed a system that works better than what was there before. They were very professional and Mike explained things every step of the way. If you want someone who is thorough, pays attention to detail and customizes a solution that works for your specific needs, I would highly recommend Deans Heating & Air Conditioning! They did a great job!"
Response time4 hrs
Response rate100%
4 neighbors recently requested a quote
Avatar for Rohrer's One Hour Heating and Air Conditioning
Rohrer's One Hour Heating and Air Conditioning
4.7(
274
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+1 more

Serving York, PA and surrounding areas

Approved

Super Service Award Winner

In business since 1959

Free estimates

Emergency services offered

"The technician Adam couldn't have been more professional and helpful. He arrived on time and was very courteous. He quickly was able to assess the problem and repair it. I'd recommend One Hour Heating and Air Conditioning to anyone looking to install or repair their HVAC system."
 Installations
 Technicians
 Office
  Installations
  Technicians

+16

81 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Petro Home Services
Petro Home Services
4.4(
1,600
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving York, PA and surrounding areas

Approved (Corporate)

In business since 1903

Emergency services offered

Warranties offered

"I have a service contract with Petro. They came out to fix a leak on my heater. Service person came out on time, fixed the problem and cleaned up so you would never know he was even there. Very pleasant experience all the way through."
Additional Photos
Additional Photos
Additional Photos
Response time6 days
Response rate100%
18 neighbors recently requested a quote
Avatar for Prime Home HVAC
Prime Home HVAC
4.8(
22
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral Air Cleaner - Install or Replace+2 more

Serving York, PA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"I would highly recommend Prime Home HVAC. Our air conditioner was out for an entire weekend. I called Nathan on Monday, by Tuesday we had relief!! Nathan and his staff were professional and paid attention to detail. The price was fair and they made it easy. I love that they are a family-owned business. You will not be disappointed."
Goodman Heat Pump
Geothermal Installation
Amana Inverter Ducted system
Goodman Heat Pump
Geothermal Installation

+3

Response time5 hrs
42 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Jay Bee HVAC LLC
Jay Bee HVAC LLC
5.0(
44
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For BusinessCentral Air Cleaner - Install or Replace+1 more

Serving York, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"Jay did great work, promptly, and taught me much about my older home's plumbing and HVAC systems. Installed new main service cut off valve, plus several other interior cut off valves for water lines to our two bathrooms, toilets and outside water spigot. All up-to-date and super easy to turn on/off. Plus, installed new Hot and Cold valves for tub in main bathroom that go with older style of tile and shower b/c originals had worn out and were leaking. Great to have this tub and shower available again for use! Did the work i requested, no pressure to upsell, but made some great suggestions for improvements at much better price than competition. Definitely will hire again and recommend highly. Thanks. -steve s. York PA"
4Z DMS
Supply Reducing 90
Modified S&R plenum
Top view
Finished project

+1

Response time8 hrs
Response rate98%
4 neighbors recently requested a quote
Avatar for Hoffman Mechanical
Hoffman Mechanical
5.0(
24
)
Central A/C - Service or RepairWindow A/C Unit - Service or RelocateCentral Air Cleaner - Repair or Service

Serving York, PA and surrounding areas

Approved

In business since 2024

Free estimates

Customers say: True professional

I pride myself on my professionalism, as well as my ability to complete every job to the homeowner's total satisfaction. I never leave a job unfinished, or a homeowner not 100% satisfied with my level of service - Call today!

Bosch install
Bosch install
Response time8 hrs
Response rate89%
40 neighbors recently requested a quote
Avatar for Freedom Comfort Services, LLC
Freedom Comfort Services, LLC
4.5(
93
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Install or Replace+2 more

Serving York, PA and surrounding areas

Approved

In business since 2004

Customers say: Quality work

"Very honest - did not try to up sell me on anything. Demonstrated what I need to know - even drew me a sketch in case I forgot if something similar happened down the road. My husband and I plan to use their company annually for inspections of both the Heating and Air Conditioning systems. As a woman alone in the home, at the time of his visit, I felt comfortable. We highly recommend Freedom Comfort Services!"
Response time2 days
24 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Strive Heating & Cooling, LLC
Strive Heating & Cooling, LLC
4.9(
26
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving York, PA and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

At Strive Heating & Cooling LLC, we have over 20 years of industry experience, and our team is prepared to go above and beyond for our customers. Our skilled, licensed, and insured team offers unparalleled heating, cooling, and indoor air quality solutions to homes throughout York County, PA and Carroll County, MD. From fast and reliable furnace repair to honest and dependable AC maintenance, we can keep you comfortable all year long. We only use the best products on the market and are authorized Trane, Mitsubishi, and Goodman dealers—meaning our customers only receive the most energy-efficient systems. Call today to learn how our HVAC specialists can help your home.

Trane high efficiency Tam9 air handler
Trane Xr14 heat pump
Trane Xr14
Goodman furnace and air conditioning replacement
Goodman furnace and air conditioning replacement

+15

Response time1 day
5 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Stahl's Mechanical
Stahl's Mechanical
5.0(
13
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Install or Replace+3 more

Serving York, PA and surrounding areas

Approved

In business since 2023

Free estimates

Warranties offered

"Will Stahl from Stahl Mechanical called me the same day that I submitted my request for a pro. He came to my home for an estimate a few days later. He was knowledgeable about AC and electric, educating my husband and I regarding the different systems available, cost and efficiency. He and his 2 guys arrived the following week on time and finished the job in less time than estimated. Will was skillful, clean, respectful and friendly. He was genuinely concerned with the quality of his work and assisted us in setting the smart thermostat and returned upon request at no extra charge to adjust the vents to balance the air flow in all the upstairs bedrooms. I would highly recommend him to others and have given his card out to friends and family already."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+13

Response time3 days
Response rate100%
11 neighbors recently requested a quote
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FAQs for air conditioning projects in York, PA

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 York, PA homeowners’ guide to air conditioning services

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