Serving Mendota, MN and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
"Joe did a great install for "Pronto Heating and Air Conditioning". Was patient with my questions and thoroughly explained next steps."
+4
Serving Mendota, MN and surrounding areas
Approved
In business since 2002
Free estimates
Emergency services offered
"After a no call/no show by another technician (during 3 weeks of 90+ temps, a sick spouse, 3 tired dogs & a pandemic), I called Hvac Doctor after finding a referral on Angie's List. My call was promptly returned & I was honestly told I would be contacted if an opening presented itself. Within a few hours & much to my delight after a restless night of sleep, I was called & my central air was promptly & accurately repaired. These guys are top notch professionals as well as knowledgeable. Hvac Doctor is now going to be my new ongoing routine maintenance technician as well. Search no more, call Hvac Doctor! Can I give them 10 stars?"
+137
Serving Mendota, MN and surrounding areas
Approved
Super Service Award Winner
In business since 1957
Free estimates
Emergency services offered
"They did very high-quality work! They replaced my furnace and air conditioning. They did a very highly professional job. They did it in one day, They replaced a Montgomery wards furnace of 53 years and air-conditioning, the new furnace and the air-conditioning work very well. A lot less money to operate, I went from a 60% or 96%."
+5
Serving Mendota, MN and surrounding areas
Approved
Super Service Award Winner
In business since 1987
Free estimates
Emergency services offered
"Would 100% recommend this company to anyone that has HVAC needs. From start to finish everyone that I interacted with was helpful, knowledge, and kind! Spending a lot of money on a new furnace, air conditioner, and water heater is never fun, but Aquarius made it so easy. They listened to what I was looking for and make recommendations that would serve my needs (and not just the most expensive option). They were very accommodating with my schedule and were able to install everything while I was out of the State. Everyone made it easy for me to trust getting everything installed when I was not around."
Serving Mendota, MN and surrounding areas
Approved
In business since 2013
Free estimates
Credit card accepted
We invite you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality workmanship will accurately reflect your taste and lifestyle. From conception to completion, we work with you until the job is done. We are ethical, honest, and easy to communicate with. \n \nCall us today you'll be pleased you did. Thank you \n
Serving Mendota, MN and surrounding areas
Approved
In business since 2000
Free estimates
Credit card accepted
We offer a wide range of HVAC services to the entire Twin Cities Metro area, from simple repairs to brand new installation projects. No job is too big or too small for us! If you're looking for reliable HVAC maintenance, repair, and installation services, you've come to the right place!
+2
Serving Mendota, MN and surrounding areas
Approved
Super Service Award Winner
In business since 2021
Free estimates
Emergency services offered
Plugz is your local electrical and HVAC company providing five-star service at an affordable price. Whether you're looking to upgrade your electrical panel, complete a whole-home rewire or, maybe you have an outlet that is giving you trouble, give Plugz Electric a call today. \n\nWe have financing options available to help you with larger repairs that you may not have planned for. Regardless of the situation, we're here for you, 24/7.
Serving Mendota, MN and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"I recently had Prolific Mechanical install a new air conditioning system, and I couldn't be happier with the results. The young man who completed the installation was professional, courteous, and extremely knowledgeable. He took pride in his work, kept everything clean, and made sure the installation was done correctly from start to finish. The new system runs flawlessly and keeps the house comfortable even on the hottest days. I highly recommend Prolific Mechanical to anyone looking for quality workmanship and dependable HVAC service."
Serving Mendota, MN and surrounding areas
Approved
In business since 1883
Emergency services offered
Warranties offered
"We had problems with the air conditioning unit but it was resolved."
+20
Serving Mendota, MN and surrounding areas
Approved
In business since 2011
Free estimates
Emergency services offered
Experienced handyman who insists that his work satisfies each customer. When you call me, I am the professional who does the work. Schedule your own time slot with my online booking app. Texting is the most reliable way to reach me. If you email me, please follow up with a phone call.\n\nhttps://v2.waitwhile.com/checkin/7IheTrhuowMKN5QC1yhh/confirm\n\n\nIf you schedule your appt within 48 hours, please call me to confirm availability....sometimes projects have mission creep and I need some extra time to wrap up existing projects.
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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