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Top-Rated Air conditioning pros in Mount Aukum - Updated Nov 2026

Avatar for FOUR ROOTS AIR SOLUTIONS LLC
FOUR ROOTS AIR SOLUTIONS LLC
5.0(
5
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Mount Aukum, CA and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

Four Roots Air Solutions is a family-owned HVAC and refrigeration company based in Loomis, serving Sacramento, Placer County, and the surrounding foothills and valley communities. We design, install, and maintain heating and cooling systems for homes and businesses, including central air, heat pumps, ductless mini-splits, and commercial refrigeration.\n\nOur goal is simple: systems that keep you comfortable, cost less to run, and last longer. That starts with doing the job right the first time. We don’t sell jobs we can’t build, and we don’t build jobs we haven’t thought through.\n\nYou’ll get honest diagnostics, clear pricing, and straight answers about your options, even when the right answer is a repair instead of a replacement. With more than 13 years of field experience, we’re often called in to fix problem systems other contractors couldn’t solve.

HVAC
3 neighbors recently requested a quote
Avatar for FOUR ROOTS AIR SOLUTIONS LLC
FOUR ROOTS AIR SOLUTIONS LLC
5.0(
5
)
Ductless Mini-split A/C - Install or ReplaceCentral A/C - Install

Serving Mount Aukum, CA and surrounding areas

Approved

Free estimates

Credit card accepted

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

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RUUD Furnace
Kitchen Mini Split
Commercial HVAC
New Build HVAC

+1

3 neighbors recently requested a quote
Avatar for Thermotech Solutions, Inc.
Thermotech Solutions, Inc.
5.0(
2
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+1 more

Serving Mount Aukum, CA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"I called ThermoTech Solutions and they sent out a technician within 24 hours. I was pleasantly surprised that the technician was the same gentleman I talked to over the phone so I did not have to retell what was wrong with my system. Jason my technician who is also the owner was great. He tested my system, knew exactly what was needed, and had it repaired the very same day. He did not try to sell me on upgrading my unit or a bunch of repairs I did not need. The service was fast, very reasonably priced, and I have had no issues since. Will definitely be having ThermoTech Solutions come out for all my HVAC needs in the future!"
Response time1 day
Recommended by100%of homeowners
Avatar for Maven Property Cleanup
Maven Property Cleanup
5.0(
1
)
Outdoor Mist Cooling System - InstallOutdoor Mist Cooling System - Service or Repair

Serving Mount Aukum, CA and surrounding areas

Approved

Free estimates

Small jobs welcome

Credit card accepted

"The professional treatment and efficient care and dedication to make sure that the job was done to satisfaction, and all the communication from them made this job so much easier. Any future jobs, be it large or small, I absolutely will be looking for Erik to see me through it. He is a person that I trust completely to receive a honest and fair treatment from. Thank you so much!"
24 neighbors recently requested a quote
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FAQs for air conditioning projects in Mount Aukum, CA

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.

The Mount Aukum, CA homeowners’ guide to air conditioning services

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