Serving Coatesville, IN and surrounding areas
Approved
In business since 2011
Free estimates
Emergency services offered
"Roy was great! He fixed our ducts and changed our filter so now our house is heating so much better. He was very informative and we are glad to have him for our heating and A/C service maintenance in the future. Definitely recommend him !"
Serving Coatesville, IN and surrounding areas
Approved
In business since 2012
Emergency services offered
Credit card accepted
"Love this company! My service tech today was Brad Groves. He was courteous, friendly and very professional. He even took the time to show me the photos taken of the interior components of our unit. There is a reason Dugan Air recieves such high ratings from their customers...they earn them. The maintenance services are affordable and I would highly recommend giving them a try."
+46
Serving Coatesville, IN and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1995
Emergency services offered
Warranties offered
"Annual service on air conditioning."
Serving Coatesville, IN and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
"Just finished up with Aaron at Aaron's Air. He put in some additional ducts for my basement finishing project. He and his work were excellent... His pricing very fair and an all around good guy! Hire Him! You will appreciate him as much as I did!"
Serving Coatesville, IN and surrounding areas
Approved (Corporate)
In business since 2007
Warranties offered
Credit card accepted
"Called Hope Plumbing for a leaking sink that the technician (Jarrod) ruled was likely due to hard water buildup. I has assumed this and mentioned we were having an issue with our Softener backing up into the basement. Even though I didn't call them to work on the Softener Jarrod quickly determined a fix for the softener flooding our basement and said a simple Air Gap drain would help prevent it from backing up. He quickly put together a quote that was reasonably priced and within a few hours fixed an issue that had been plaguing us for months. The service was fantastic and I highly recommend joining their membership program for some great benefits!"
+17
Serving Coatesville, IN and surrounding areas
Approved
In business since 2019
Free estimates
Warranties offered
"N&B did a great job I would highly recommend them to anyone . On time , communication was great .. work was 10 out if 10 great company thanks N&B HVAC"
+17
Serving Coatesville, IN and surrounding areas
Approved (Corporate)
In business since 1980
Free estimates
Emergency services offered
For over 40 years, Chapman Heating, Air Conditioning, Plumbing & Electrical has provided high quality, reliable service to families throughout central Indiana. We offer a full range of topnotch heating and air conditioning products and equipment, including gas furnaces, air conditioners, thermostats, humidifiers, boilers and more. We provide quick, professional service and complete service plans to keep your systems operating at peak efficiency, along with plumbing services and equipment like water heaters, sump pumps, drain clearing and camera inspections. Electrical is our newest venture and we are proud to partner with Generac on generators for equipment that has proven reliability. It's all part of our long standing tradition of service assuring your complete satisfaction. Superior service, technical excellence and professional employees that's our commitment to you. Trust the man for all seasons!\n
+8
Serving Coatesville, IN and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
"We did a remodel and Scott installed brand new Heating And Cooling for the home. This was in 2020. I’ve used them for many other projects since then, he comes highly recommended!"
Serving Coatesville, IN and surrounding areas
Approved (Corporate)
In business since 1959
Free estimates
Emergency services offered
"Ended up not needing to replace thermostat. ARS technician checked A/C system and found no issues. Discovered nest thermostat was installed by utility company, allowing them to shut it down during peak usage. Previous homeowner is to blame."
Serving Coatesville, IN and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
At Seven Star Improvement LLC, we specialize in high-quality exterior home improvement services - combining expert craftsmanship, premium materials, and outstanding customer care at competitive prices. With years of hands-on experience, we ensure every project enhances your home's durability, function, and curb appeal.\n\nWhy Choose Us?\n✅ Expert Craftsmanship & Premium Materials – From roofing, siding, windows, doors, gutters, decks, to fencing, we deliver superior results built to last.\n✅ Competitive Pricing & Transparent Estimates – Upfront, honest pricing with no hidden costs. Our lean operations allow better rates than large competitors — without cutting corners on quality.\n✅ Dedicated Customer Service – Clear communication from free estimates to project completion. We keep you informed and confident every step of the way.\n✅ Reliable & On-Time Execution – We respect your time and home, showing up on schedule and finishing projects as promised — on time and on budget.\n✅ Flexible Financing Options – Affordable solutions to help bring your vision to life.\n\nAt Seven Star Improvement LLC, integrity, quality, and customer satisfaction are at the heart of what we do. Contact us today for a free estimate and let’s get started!\n\n📞 Call/Text: (317) 214-0912\n🌐 Visit: www.sevenstarindy.com\n📍 Proudly Serving Indiana
+2
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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