Serving Llano, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
"Great customer service, fast response got my air conditioning working fast. I will recommend to any looking for air conditioning service or repairs"
+14
Serving Llano, CA and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Friendly quality air conditioning estimate"
Serving Llano, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Emergency services offered
"I needed my HVAC system urgently repaired, the technician arrived promptly to resolved the issue. They were professional and knowledgeable and gave me honest recommendations & also was very helpful. Highly recommend! Thank you!"
+22
Serving Llano, CA and surrounding areas
Approved
In business since 2023
Emergency services offered
Warranties offered
We are a family owned residential HVAC repair, maintenance, and installation business. We offer quality workmanship along with excellent customer service at affordable prices. For all of your air conditioning and heating needs please give us a call, text, or email. We even install and service mini splits.
Serving Llano, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2004
Emergency services offered
Small jobs welcome
"Terrance did an outstanding job! He made sure the job was done right. He communicated with us throughout the process, was detailed oriented, and flexible with our schedule. Will definitely use again. Terrance installed a retractable screen door, repaired and reframed a door, and also fixed a roof leak."
+21
Serving Llano, CA and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.\n
+28
Serving Llano, CA and surrounding areas
Approved
In business since 1982
Free estimates
Offers commercial services
"Sam did a great job finding a solution to my problem and fixing it."
Serving Llano, CA and surrounding areas
Approved
In business since 2017
Free estimates
Customers say: True professional
"Our remodeled kitchen exceeded all expectations. Leoni’s eye for design brought our ideas to life, creating an open and functional layout perfect for entertaining. The team’s craftsmanship was top-notch, and they respected our home, leaving it clean each day. The project was finished on time and within budget, and our kitchen now feels like a welcoming and sophisticated part of our home. I’d recommend McCormick to anyone wanting a home transformation without stress!"
+1
Serving Llano, CA and surrounding areas
Approved
Here at Super Heating and Cooling we’re a family owned and operated company specializing in hvac. We have over 10 years in the profession that include installs from complete brand new systems to change outs.
Serving Llano, CA and surrounding areas
Approved
In business since 2019
Free estimates
Credit card accepted
"I had my garden and bathroom remodel done. Albert and Samuel were professional, friendly, and a delight to work with. They're responsive and reliable. I also like the subcontractors whom they used on my project. They kept me informed of everything and I appreciate their excellent work."
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.
Use this guide to budget for appliance installation costs based on factors such as appliance type, installation complexity, labor rates, and more.
Explore how factors such as materials, local labor rates, and the type of damage affect the cost to repair a burst pipe.
Use this guide to learn how much rebar costs per foot so you can budget for your next big home improvement project.
Discover how factors such as linear footage, local labor rates, and trim type affect the total cost of painting baseboards.
Learn how much cat or dog door installation costs based on factors like the door size, material, location, and added features.
Discover how much an electric furnace costs based on factors such as unit size, local labor rates, electrical upgrades, and ductwork condition.