Serving Champlin, MN and surrounding areas
Approved
Super Service Award Winner
In business since 1930
Free estimates
Emergency services offered
"Ben is an extremely polite technician who tuned up our air conditioning unit, replacing a failing capacitor"
+1
Serving Champlin, MN and surrounding areas
Approved
In business since 2002
Free estimates
Emergency services offered
"Ecellent company - i had central air within 1 day."
+5
Serving Champlin, MN and surrounding areas
Approved
In business since 2002
Free estimates
Emergency services offered
"vitaly and his crew did a very good job of removing a big old furnace and installing a new furnace and air conditioner. They did it in a timely manner at a very fair price. explained everything very well. left the place cleaner than when they started. Highly recommend Hvac Doctor."
+137
Serving Champlin, MN and surrounding areas
Approved
Super Service Award Winner
In business since 1957
Free estimates
Emergency services offered
"24 hour emergency service is excellent. Our air conditioning stopped working at night so we called at 2:00 am and a technician was out and diagnosing the problem by 11:00 am. Excellent customer service, friendly and knowledgeable technicians and very professional company overall. HIGHLY Recommended."
+5
Serving Champlin, MN and surrounding areas
Approved
In business since 2012
Free estimates
Emergency services offered
"Prompt response and service in an emergency for my client to have air conditioning repaired/restored."
Serving Champlin, MN and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"Kody did a fantastic job. His communication skills,expertise, knowledge of his products, timeliness, job site tidiness and fair pricing were greatly appreciated. He installed a Goodman heat pump system ( heating & air conditioning), Mitsubishi multi zone mini split ( wall unit & recessed ceiling unit), an Aprilaire whole home humidifier, a UV air purification system and surge protection system for whole HVAC system. I highly recommend his services."
+3
Serving Champlin, MN and surrounding areas
Approved
In business since 1981
Free estimates
Emergency services offered
"I have an old home where the gravity furnace needed to be replaced. This included abatement for asbestos removal, installation of all new ductwork, the new furnace, air conditioner and water heater. It was a big investment for me but everyone from the sales person to the installers and office staff made me feel comfortable about my decision. I wanted it done right and since I plan on staying in my home for many years, I wanted high quality and service. I haven't been disappointed. The work was done on time and the workmen cleaned up very well. One minor problem was fixed promptly. All my phone calls were returned immediately. All paperwork/rebates/inspection info was provided promptly. Everyone has been a pleasure to work with."
Serving Champlin, 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 Champlin, MN and surrounding areas
Approved
In business since 1982
Emergency services offered
Credit card accepted
"Exceptional work ethics with work provided. I could not be happier with the service that they have always provided. Their Customer Service is fantastic. I have also worked with B&D for my furnace and air conditioner. A very satisfied customer."
+79
Serving Champlin, MN and surrounding areas
Approved
In business since 1994
Emergency services offered
Warranties offered
LeBrun Electric, Heating & Cooling is your local go to electrical and HVAC contractor serving Central, Minnesota and the surrounding communities. We take great pride in our work, providing quality expertise and customer service that goes above and beyond. Customer satisfaction is our priority, so our mission is to provide excellent workmanship and fair up front pricing to every customer. Our reputation is based on service, safety and quality, without hidden costs, fees and change orders. We are also available for emergency services on a 24/7 basis! Give us a call today to let us help with your electrical and HVAC needs!
+24
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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