
Serving Greenville, IN 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 Greenville, IN 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 Greenville, IN 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 Greenville, IN and surrounding areas
Approved (Corporate)
In business since 1994
Free estimates
Emergency services offered
"Repairman tightened something and that took care of the problem. Only charged me the dispatch fee."





+1

Serving Greenville, IN 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 Greenville, IN and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
"They came, diagnosed the problem and had it fixed within an hour. Very friendly and professional. Would recomend them to anyone."


Serving Greenville, IN and surrounding areas
Approved
In business since 1995
Free estimates
Emergency services offered
"Very pleased with our unit. Zornes was very professional and did the job in a timely manner. Nice job!!"



Serving Greenville, IN and surrounding areas
Approved
In business since 2018
Small jobs welcome
Credit card accepted
"Allan Smith did high-quality work, provided very prompt service, and I am highly pleased with the experience!"

Serving Greenville, IN and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"Thank you so much for your help today. I would highly recommend hiring them! Prompt & Efficient Service & Honest Pricing. He even went above & beyond to help me with another problem that I had. Great Company & I will definitely be hiring them again!"

Serving Greenville, IN and surrounding areas
Approved
Super Service Award Winner
In business since 2008
Free estimates
Emergency services offered
"Excellent, we cannot say enough good about Jason. He was the first to respond to our request we had to delay the appointment on our end twice but he was patient and responsive during the process. He showed up when he said he would and was efficient, meticulous and quick in getting the jobs complete. He never ask for payment until job was finished and even then, he done a walk through. During the walk through he was thorough in finishing last minute tasks even changing light bulbs for us! We will definitely use Jason again!"





+20

Serving Greenville, IN and surrounding areas
Approved
In business since 1985
Free estimates
Credit card accepted
"Shawn is great at explaining at what the problem is and what needs to be done and he gives options."
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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