Serving Nevada, IA and surrounding areas
Approved (Corporate)
In business since 1958
Free estimates
Emergency services offered
"AC maintenance was done by our very own Robert from Green's Appliance Heating & Cooling"
+9
Serving Nevada, IA and surrounding areas
Approved (Corporate)
In business since 1946
Free estimates
Emergency services offered
"Pete was courteous, respectful, knowledgeable & helpful. We appreciated his expertise & recommendations! We have been extremely impressed & grateful for Schaal Heating & Cooling. The customer service is stellar, from front office scheduling to all the reps that have installed our furnace & air conditioning units."
Serving Nevada, IA and surrounding areas
Approved
Super Service Award Winner
In business since 1999
Emergency services offered
Credit card accepted
"The technician was very helpful. He presented all of the options to address the problem we had. Didn’t push for us doing expensive service work. We ended up doing it ourselves, the way h suggested. Will use them again."
Serving Nevada, IA and surrounding areas
Approved
In business since 1994
Free estimates
Emergency services offered
Small outfit completing projects timely and on budget with meticulous craftsmanship and time-tested materials, done right the first time to save you money and us the embarrassment of a call-back.
Serving Nevada, IA and surrounding areas
Approved
Professional 2 man crew, with a truck and trailer. We offer debris removal,hauling, yard work, and other services just ask.
Serving Nevada, IA and surrounding areas
In business since 1997
Free estimates
Emergency services offered
"Clean the coil and filter. Made recommendations on how to make the system work better."
+4
Serving Nevada, IA and surrounding areas
In business since 1968
Free estimates
Emergency services offered
"CandK was focused and diligent. They are based in Ames where I live. They were punctual and available when I had questions. I was offered a free Carrier Wi-Fi thermostat. I accepted. Installation issues with the powered "C" wire made me switch to a different thermostat. They handled all paperwork needed for rebates, and for a tax credit for the 2016 return. They have decades of experience. They know installation, and I chose them because I trust they will be in business for the life of my Carrier furnace and air-conditioner. The Dynamic air filter is the best filter I have ever seen in a residence. I just spoke with them today about also installing a new Rheem gas water tank to replace my existing tank."
Serving Nevada, IA and surrounding areas
In business since 1981
Free estimates
Emergency services offered
"The system works great and there have been no problems."
+7
Serving Nevada, IA and surrounding areas
In business since 1988
Free estimates
Emergency services offered
We are Iowa's premier provider of home comfort solutions. We offer heating and air conditioning services, insulation, spray foam, air sealing and energy audits. Comfort Solutions has been taking care of homeowners here in Iowa for 31 years. We use the science of energy audits to solve your heating and cooling needs. Our passion is making every single room in your house amazingly comfortable. Call us anytime to receive a free repair quote or free home energy audit.
Serving Nevada, IA and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"Mr. Ferrell worked with my husband over the phone to fix the problem. It was surprisingly fast and stress-free. To have the work done remotely in less than an hour was wonderful."
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.
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