
Serving Boston, KY and surrounding areas
Approved
In business since 2007
Free estimates
Emergency services offered
"Followed through until project was complete. Fair pricing. Would recommend to a friend"



Serving Boston, KY and surrounding areas
Approved
In business since 2007
Free estimates
Emergency services offered
"Followed through until project was complete. Fair pricing. Would recommend to a friend"


Serving Boston, KY and surrounding areas
Approved
In business since 1981
Free estimates
Emergency services offered
"This is just about everything I appreciate and value in a service provider. Our home has two heat pumps, and both were failing. Andrew quoted on both units in the spring, along with two other local providers. There was a pretty good spread between lowest cost and highest cost estimates, with Comfort Zone just shy of the midpoint between lowest and highest. From the initial discussion about the work involved and related equipment choices, I was sure Andrew was the provider I wanted. He spent time answering my questions during his initial visit and left with no pressure to close the deal. I had several follow-up questions which he always promptly answered via email or phone. His estimates offered multiple choices with the differences clearly explained. Comfort Zone replaced the first unit shortly after his initial visit. We just recently had him come back to do the second unit. Each time during his service visit, Andrew was professional and friendly and answered any question I had along the way. I love that the person who gave me the estimate is the same as the person who performed the work. You can tell Andrew is very proud of the work he does. The differences in interior air quality, interior and exterior noise level, and our power bill are all noticeable. I'd highly recommend Comfort Zone to anyone, just as a friend I trust had recommended them to me."




Serving Boston, KY and surrounding areas
Approved (Corporate)
In business since 2001
Free estimates
Credit card accepted
"The Comfort Heating and Air Team were punctual and fast with the install. Quoting was fair and I think I got the best deal I could at the time."

Serving Boston, KY and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Emergency services offered
"My air went out in July and I called they came out price me a system and had it installed the next day on time and on budget. I will use them again if ever needed and I have told my friends"
Serving Boston, KY and surrounding areas
Approved
In business since 1992
Free estimates
Customers say: Quality work
"Very professional and did a great job will recommend them to everyone"

Serving Boston, KY and surrounding areas
Approved (Corporate)
In business since 1974
Emergency services offered
Credit card accepted
"Very pleased were very professional"





+25

Serving Boston, KY and surrounding areas
Approved (Corporate)
In business since 1971
Free estimates
Emergency services offered
Fayette Heating & Air/H2O Maestro is Kentucky's trusted HVAC, Electrical, and Plumbing company for all your complete home solution needs.\nFounded in 1971, Fayette Heating & Air is a professional Heating and Air Company that provides exceptional Residential and Commercial Services to the Central Kentucky area. Each of our Licensed Technicians and Certified Apprentices is verified as drug-free and felony-free, so you can rest assured we are only sending trustworthy people into your home or business.\n

Serving Boston, KY and surrounding areas
Approved (Corporate)
In business since 1956
Emergency services offered
Credit card accepted
Allen's Air Conditioning and Heating offers new system installation, duct cleaning, attic insulation, indoor air quality and more. We offer 24-hour emergency service so that you can count on Allen's Air Conditioning, Inc. to be there when you need us the most.\n\nOur state licensed technicians use state-of-the-art technology to repair and diagnose existing systems and always use the finest new high efficiency equipment for installations.

Serving Boston, KY and surrounding areas
Approved (Corporate)
In business since 1976
Free estimates
Credit card accepted
Respectful. Reliable. Service Reimagined.\nWe are the leading plumbing contractor in Kentucky. Our licensed plumbers serve residential and commercial clients in Louisville and Lexington. Our construction department is among the largest in the state.\n\nWe give each customer and project, regardless of size and cost, the same quality plumbing services while working within the customer's budget. We stand behind our workmanship long after the project is complete. \n\nOur people are what make the difference. Here's what you can expect from your Dauenhauer service technician:\n- Highly skilled and trained to solve any problem\n- Has passed extensive background checks and regular drug testing\n- Identifiable and proud to represent Dauenhauer\n- Professional and neatly uniformed\n- Drives a Dauenhauer service vehicle equipped with a multitude of parts and tools\n- Wears shoe covers inside your home out of respect
Serving Boston, KY and surrounding areas
Approved
In business since 2014
Free estimates
Emergency services offered
"Excellent quality, diligent service, timely, very fair pricing—firs rate work !!👍👍"





+5
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.
From average costs to expert advice, get all the answers you need to get your job done.

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