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Avatar for SUNDIAL HEATING & AIR INC
SUNDIAL HEATING & AIR INC
4.9(
11
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+2 more

Serving Platina, CA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Air Pro did a complete installation of a new HVAC system. This company is entirely professional. The owner showed up first thing on the morning of the installation, made sure all equipment was delivered to the site, and organized the work crew. The crew was very tidy and prompt in their work. Air Pro's marketing rep did a terrific job of analyzing our existing system, taking many photos, and justifying her recommendations as to why we would benefit from a totally new system. She was able to present a proposal to us within twenty minutes of completing her assessment of our needs. We would recommend Air Pro to anyone needing a review of their HVAC system."
Sundial
Response time2 days
Response rate100%
13 neighbors recently requested a quote
Avatar for INFINITE AIR HEATING AND COOLING
INFINITE AIR HEATING AND COOLING
5.0(
7
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For BusinessCentral Air Cleaner - Repair or Service+4 more

Serving Platina, CA and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"A friend told me about this place. After poorly performing during last summer's record hot temps Robert and Alfredo were asked to trouble shoot my HVAC system. They analyzed the unit on the roof and corrected some deficiencies. They also fixed some shortcomings in the duct work and re adjusted the thermostat. They told me to monitor the unit's performance and give them feedback after a few weeks. Now the temperature is the same thruout the house and it's the most comfortable we've been since the unit was installed. They did all that for a very reasonable fee. I recommend Infinite Air to anyone and everyone who needs help with their heating/cooling system regardless of the symptoms."
Mini split system
Mini split system
Mini split system
Mini split system
Response time7 hrs
Recommended by85%of homeowners
Energy Smart Engineering, Inc.
4.5(
33
)
Central A/C - Install - For BusinessCentral A/C - Service or Repair - For BusinessOutdoor Mist Cooling System - Install - For Business+4 more

Serving Platina, CA and surrounding areas

In business since 2017

Free estimates

Credit card accepted

"I looked and looked for a company to repair or replace the evaporative cooler for us. This company took on the job, weâ re promptly came out, diagnosed the problems and within a few days weâ re back to replace the unit. All were very thorough and professional."
Recommended by93%of homeowners
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FAQs for air conditioning projects in Platina, 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 Platina, CA homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.