Serving Larkspur, CO and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
"They had a lot of experience in the cleaning up our air duct. They were the best. They also cleaned my dryer and chimney very well. I'm comfortable using them again and again. They had a reasonable price."
+26
Serving Larkspur, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Emergency services offered
"Great experience with seasonal maintenance check. They arrived early in appointment window, checked furnace, humidifier, & air conditioning, explained everything clearly. They replaced a filter, examined every part of air conditioning system, made some recommendations, had easy payment system. I will look forward to using them again!"
+67
Serving Larkspur, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Emergency services offered
"Habib is seriously the most thorough professional we have ever had! He expertly explained the new AC/furnace system to us so we knew precisely how the system worked, before he installed anything. He was so considerate and enthusiastic and he loves helping his customers. Our A/C unit worked so well and I know our brand new furnace will be great this winter. If I could give him 10 stars I would because he was so knowledgeable and conscientious!"
+3
Serving Larkspur, CO and surrounding areas
Approved
In business since 2008
Free estimates
Credit card accepted
"We will hire this company for all HVAC need! great ppl, GREAT JOB! thank-you Marti"
Serving Larkspur, CO and surrounding areas
Approved
In business since 1993
Free estimates
Emergency services offered
"I got several quotes for a central air installment. They were professional they were easy to work with they were affordable I would highly recommend these people great business."
+10
Serving Larkspur, CO and surrounding areas
Approved
In business since 2019
Free estimates
Credit card accepted
"I had a great experience with this company. They were professional, friendly, and very knowledgeable. They took the time to explain everything clearly, answered all of my questions, and made sure the job was done correctly. The service was quick and efficient, and I really appreciated how respectful and honest they were throughout the process. I would definitely recommend 3 Hermanos to anyone looking for reliable heating and cooling services. Great company and great service! Will reach out again for any future issues with my hvac."
Serving Larkspur, CO and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"Brian tested and fixed my AC quickly and professionally. He did the job efficiently and for hundreds, not thousands that the big outfits were quoting. He will be doing my HVAC maintenance from now on!"
Serving Larkspur, CO and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
We offer all of your residential and commercial needs at a competitive price. We provide complete installs, repairs, emergency calls as well as full service for your ac, furnace, water heaters and swamp coolers.\n\n
+51
Serving Larkspur, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Emergency services offered
"We had an issue with our water heater and we had a technician on site in less than two hours and he resolved it very quickly."
+24
Serving Larkspur, CO and surrounding areas
Approved
In business since 1970
Emergency services offered
Credit card accepted
"Have used them for over 20 years and technician Dallas is our go to guy. compenent, friendly and always does great job."
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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