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Avatar for Logan Services A/C, Heat & Plumbing
Logan Services A/C, Heat & Plumbing
4.6(
148
)
Central A/C - Install

Serving London, OH and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"Logan Services replaces my forced air furnace and AC. Being an aircraft maintenance quality control inspector I can say these guys installed the units with the quality that amazed me. Attention to even the smallest of details their team is very organized in the process of HVAC installation. I highly recommend Logan Services in your HVAC needs. Many thanks to Randy, Treneil and the guys for everything you have done."
High-Efficiency Trane Air Conditioner
Heat Pump and High Efficiency Furnace Install
New Furnace & Whole-House Humidifier
New Trane Cooling System
It's Hard To Stop A Trane

+8

Recommended by93%of homeowners
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Avatar for 3 Brothers Heating and Cooling
3 Brothers Heating and Cooling
5.0(
26
)
Central A/C - Service or Repair

Serving London, OH and surrounding areas

Approved

In business since 2017

Warranties offered

Credit card accepted

"Job was done right. Customer service was excellent. Gave me solid information on some changes that would be beneficial for my air conditioning unit. Would recommend!"
Response time50 mins
Response rate100%
2 neighbors recently requested a quote
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Avatar for Universal Heating & Cooling LLC
Universal Heating & Cooling LLC
4.5(
41
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving London, OH and surrounding areas

Approved

In business since 1988

Free estimates

Emergency services offered

"Excellent service. Had a call back immediately. Here the same day to diagnose. Came back next day with part. Super friendly. Super professional. Everything you want a company to be. I felt like we were their only customer. So impressed!!!! We found a new heating and air conditioning company"
Upgrading a unit
A/C unit in Springfield
Upgrading a unit
Replacing a filter
Response time1 day
Response rate91%
142 neighbors recently requested a quote
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Avatar for AMS Commercial Services
AMS Commercial Services
4.9(
37
)
Central A/C - Service or RepairCentral A/C - Install - For Business

Serving London, OH and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"I was able to get the technician to come to my house that same day. He had to get the parts so he came back early next morning. Not only the technician fixed the problem(my AC had a blown wire, a weak capacitor and needed some more Freon), he also checked the air flow in my house and corrected the settings. Overall it took more than 8 hours because he had to make several trips to my house, but the money was worth spent to keep my AC in a good shape."
Response time30 mins
2 neighbors recently requested a quote
Recommended by97%of homeowners
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Avatar for Ace Hardware Home Services
Ace Hardware Home Services
5.0(
7
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving London, OH and surrounding areas

Approved (Corporate)

In business since 1990

Free estimates

Credit card accepted

"Ray King was my technician. He was AWESOME!!! I would highly recommend him."
Bryant AC Repair
107 neighbors recently requested a quote
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JMSM Heating-Cooling-Cooking-Fountain-Refrigeration, LLC
4.8(
115
)
Central A/C - Service or RepairCentral Air Cleaner - Install or ReplaceCentral Air Cleaner - Repair or Service+4 more

Serving London, OH and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Warranties offered

Small jobs welcome

"We were having problems getting our gas fireplace to light They were on time very reasonable charge and explained everything that technician was doing There were a couple of things that I could do myself that were permitted I was very pleased and highly recommend"
QUADFIRE PELLET STOVE
PEL PRO PP130 PELLET STOVE
Response time7 hrs
7 neighbors recently requested a quote
Recommended by94%of homeowners
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Avatar for Apex Plumbing, Heating and Air Pros
Apex Plumbing, Heating and Air Pros
3.8(
125
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving London, OH and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"It went well, the best thing about getting my water heater was the people who installed it."
Additional Photos
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+22

Response time1 day
Response rate100%
44 neighbors recently requested a quote
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Avatar for R & T YODER ELECTRIC, INC
R & T YODER ELECTRIC, INC
4.8(
5
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+4 more

Serving London, OH and surrounding areas

Approved (Corporate)

In business since 2004

Free estimates

Credit card accepted

R&T Yoder Electric, Plumbing & HVAC has been serving Central Ohio homeowners with trusted electrical, plumbing, heating, and cooling solutions for over 20 years. Our team is committed to delivering life-changing service through honest recommendations, quality workmanship, and clear communication. Whether you need a repair, replacement, or installation, we're here to make caring for your home simple and stress-free.

HVAC
HVAC
HVAC
HVAC
HVAC

+2

198 neighbors recently requested a quote
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Avatar for Lui Irrigation LLC
Lui Irrigation LLC
4.2(
5
)
Outdoor Mist Cooling System - InstallOutdoor Mist Cooling System - Install - For BusinessOutdoor Mist Cooling System - Service or Repair+1 more

Serving London, OH and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"On March 30, 2026, Lui did an outstanding job on aerating and overseeding my medium-size lawn. Lui was prompt, courteous, very Professional and completed the job for a very reasonable price. I will recommend this company to anyone needing this service"
Additional Photos
Additional Photos
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Additional Photos

+2

Response time3 days
Response rate93%
2 neighbors recently requested a quote
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FAQs for air conditioning projects in London, OH

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 London, OH 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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