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Top-Rated Air conditioning pros in Mount Sterling - Updated Nov 2026

Avatar for Logan Services A/C, Heat & Plumbing
Logan Services A/C, Heat & Plumbing
4.7(
51
)
Central A/C - Service or Repair

Serving Mount Sterling, OH and surrounding areas

Approved

In business since 1969

Free estimates

Credit card accepted

"Logan Services was professional, friendly, and informative. The product and work are exceptional. Bravo to Aaron Faughn for a thorough presentation. I felt 100% comfortable moving forward with the purchase. A compete replacement of my furnace and air conditioner was a huge decision. I’m grateful that I chose Logan Services. The installers, Kevin Campbell and Garrett Webb did fabulous work in a timely fashion. I highly recommend Logan Services!"
Trane Furnace Installation
Air Conditioner Installation
State Water Heater Installation
New Water Heater Installation
Water Heater, Furnace, and Water Treatment

+1

Response time3 hrs
Recommended by97%of homeowners
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 Mount Sterling, 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
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 Mount Sterling, 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

196 neighbors recently requested a quote
Avatar for Molecula LLC
Molecula LLC
5.0(
8
)
Window A/C Unit - Install

Serving Mount Sterling, OH and surrounding areas

Approved

Free estimates

Credit card accepted

Customers say: True professional

"Very smooth install. Ed was nice, personable, and timely. He installed the solar lights efficiently and correctly. And they function perfectly. Fee was very reasonable as well. He’s agreed to install similar lights next weekend at our daughter’s home located about 10 minutes away. We’re in the market for a new handyman, so would not hesitate to contact Ed again. Thank you."
Removed the old flooring
Garage door sensors and door opener wired and programed
Used 2x12 treated lumber for the floor boards
Water got into this window frame, rotting the wood.
Digging out old mailbox

+54

2 neighbors recently requested a quote
Recommended by83%of homeowners
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 Mount Sterling, 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
Additional Photos
Additional Photos
Additional Photos

+2

Response time3 days
Response rate93%
1 neighbors recently requested a quote
Shane
New to Angi
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Install or Replace+8 more

Serving Mount Sterling, OH and surrounding areas

Approved

HVAC technician with hands-on experience diagnosing, repairing, and maintaining residential and light commercial heating and cooling systems. Skilled in troubleshooting furnaces, air conditioners, heat pumps, and ventilation systems, with a strong focus on efficiency, reliability, and getting systems back up and running quickly. Multiple certifications including NATE.

Comfort Crew Heating & Cooling, LLC
New to Angi
Central A/C - Service or Repair

Serving Mount Sterling, OH and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

Comfort Crew Heating & Cooling is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. We have a 2 year waranty on all work and parts.

Response time2 days
Avatar for BSP Corp
BSP Corp
5.0(
1
)
Outdoor Mist Cooling System - InstallOutdoor Mist Cooling System - Service or Repair

Serving Mount Sterling, OH and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

"Kenny was excellent!! I hired him to remove the bathroom demolition debris. He was very nice and polite. He responded right away to my request. The price was the best I got from different companies. He got the job done in few minutes and left the area complete clean. I 100% recommend him"
Tree Removal
Tree Removal
Tree Removal
Tree Removal
Tree Removal

+16

18 neighbors recently requested a quote
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Showing 1-10 of 138

FAQs for air conditioning projects in Mount Sterling, 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 Mount Sterling, OH homeowners’ guide to air conditioning services

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