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Find Air conditioning pros in Allentown

Avatar for Rohrer's One Hour Heating and Air Conditioning
Rohrer's One Hour Heating and Air Conditioning
4.7(
274
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair+1 more

Serving Allentown, PA and surrounding areas

Approved

Super Service Award Winner

In business since 1959

Free estimates

Emergency services offered

"Wonderful to deal with. Very prompt service- everyone was so friendly and polite. They explained everything and were able to fix our air conditioning on the spot. Highly recommend."
Installations
Technicians
Office
Installations
Technicians

+16

102 neighbors recently requested a quote
Recommended by92%of homeowners
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Avatar for J.P. Works, LLC
J.P. Works, LLC
4.9(
50
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Allentown, PA and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"We are very happy with your service and our new heating and air conditioning system."
Response time6 hrs
27 neighbors recently requested a quote
Recommended by93%of homeowners
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Avatar for H L Bowman
H L Bowman
4.6(
420
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Install or Replace+1 more

Serving Allentown, PA and surrounding areas

Approved (Corporate)

In business since 1946

Free estimates

Emergency services offered

"H L Bowman is by far one of the best service companies that I have dealt with. I got a call that the technician was on the way to my house. George showed up and got right to work. Found my problem and explained to me the best way to fix my issue. They did not try to sell me on any pricier fixes. George showed me what he could offer and explained what would be my best option. He was knowledgeable, informative, and explained everything so that I would understand what was going on. I am definitely going to be using them for all my heating and air conditioning needs. Top notch company. Would recommend to anyone needing this kind of help."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+6

744 neighbors recently requested a quote
Recommended by88%of homeowners
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Avatar for AirHeads HVAC LLC
AirHeads HVAC LLC
5.0(
30
)
Central A/C - Service or RepairCentral Air Cleaner - Repair or ServiceCentral A/C - Service or Repair - For Business+1 more

Serving Allentown, PA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"I'm very pleased with the job Air Heads performed. The work was challenging but at the end the Mini Split installation was successful. I would recommend Air Heads for any job."
Response time6 hrs
15 neighbors recently requested a quote
Recommended by96%of homeowners
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Avatar for J&T Heating and Air Conditioning LLC
J&T Heating and Air Conditioning LLC
4.4(
28
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Allentown, PA and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"Excellent knowledge, customer service, and workmanship. Came out on July 4th and completed all work in a very short amount of time. I would definitely recommend this business to anyone who asks about a heating and air guy."
3 neighbors recently requested a quote
Recommended by84%of homeowners
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Avatar for Bosh Home Solutions LLC
Bosh Home Solutions LLC
5.0(
20
)
Central A/C - Service or Repair

Serving Allentown, PA and surrounding areas

Approved

In business since 2019

Free estimates

Small jobs welcome

"Bosh Home Solutions came out to service my central air, and they were great. The tech Peter was super thorough and actually took the time to explain what he was doing, which I really appreciated. I like knowing what’s going on with my house, and he made it easy to understand. Solid experience all around."
Bosh
Gas Boiler Installation
Gas Boiler Installation
Gas Boiler Installation
Final Heater Install

+1

Response time8 hrs
Response rate100%
10 neighbors recently requested a quote
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Avatar for Brooks Heating & Air Conditioning
Brooks Heating & Air Conditioning
4.7(
41
)
Central A/C - Service or RepairCentral Humidifier - Repair or Service

Serving Allentown, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"This is by far one of the most respectful and knowledgeable air conditioning service. I have had the pleasure hiring."
Outdoor Unit
Indoor Unit 1
Indoor Unit 2
Oil Tank with new Vent an Fill Piping
Outdoor Unit

+6

Response time5 hrs
19 neighbors recently requested a quote
Recommended by51%of homeowners
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Avatar for PerfecTemp Inc.
PerfecTemp Inc.
4.9(
16
)
Central A/C - Service or Repair

Serving Allentown, PA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"This fine gentleman provided us with excellent, fast and efficient service. He was there when we needed him and gave us high quality work effort for the money. I intend to use him again."
Heat Pump
Air Handler
Propane Boiler Installation
Response time4 hrs
Response rate87%
Recommended by83%of homeowners
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Avatar for Arctic Fire Heating And Cooling
Arctic Fire Heating And Cooling
4.9(
10
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For BusinessCentral Air Cleaner - Repair or Service+1 more

Serving Allentown, PA and surrounding areas

Approved

In business since 2013

Credit card accepted

Offers commercial services

"Alec was excellent! Great Knowledge of Oil Furnace. Fast and efficient. Very Helpful and Honest as well. Very Customer Focused and Great Personality to deal with!"
Heating & A/C Project
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

3 neighbors recently requested a quote
Recommended by40%of homeowners
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Avatar for Dual Temp CO INC
Dual Temp CO INC
4.8(
6
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Allentown, PA and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

We’re your neighbors, here to bring HVAC expertise to your doorstep so you enjoy every moment at home. Give us a call today for the residential Heating, and Air Conditioning services you need, and beat the heat, the snow, and everything else mother nature throws your way. We serve Lehigh, Northampton counties, and the surrounding greater Lehigh Valley.

Outdoor Unit
Furnace Testing
Daikin Unit
Response time50 mins
48 neighbors recently requested a quote
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FAQs for air conditioning projects in Allentown, 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 Allentown, PA 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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