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TRUSTED BY HILMAR, CA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon84
    Verified heating and air conditioning services reviews

Verified Reviews for Heating And Air Conditioning Service pros in Hilmar, CA

*The Angi rating for Heating And Air Conditioning Service companies in Hilmar, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Hilmar, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on October 02, 2025

Find Heating and air conditioning pros in Hilmar

Avatar for Calor Air HVAC
Calor Air HVAC
5.0(
21
)
Central A/C - Service or RepairCentral A/C - InstallCentral Air Cleaner - Repair or Service+16 more

Serving Hilmar, CA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Costa takes pride in his work and did an excellent job of installing my microwave. He is very good at recognizing an issue and being able to improvise. I would strong recommend Costa for any handyman job around a home. I will definitely hire Costa again."
AC PM Service
HVAC PM Service
HVAC PM Service
AC Gauges
Before and after

+15

Response time7 hrs
9 neighbors recently requested a quote
Recommended by73%of homeowners
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Avatar for JV HEATING & AIRCONDITIONING
JV HEATING & AIRCONDITIONING
5.0(
7
)
Central A/C - Service or Repair

Serving Hilmar, CA and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"Carlos and his team was very punctual and professional. They worked efficiently and did a great job working at our home. I highly recommend him to others."
41 neighbors recently requested a quote
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Avatar for United Heating and Air
United Heating and Air
5.0(
4
)
Central Air Cleaner - Repair or Service

Serving Hilmar, CA and surrounding areas

Approved

Hi, I’m Jeromy, owner of United Heating & Air.\nI started this company with one goal—do the job right and treat people the way I’d want my own family treated. Around here, you’re not just another call on the schedule. I take pride in being honest about what you actually need, and delivering clean, professional work every time.

1 neighbors recently requested a quote
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Avatar for Cosmic Comfort
Cosmic Comfort
4.8(
98
)
Central A/C - Service or RepairThermostat - Install or ReplaceGas Furnace / Forced Air Heating System - Repair+1 more

Serving Hilmar, CA and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"Very quick and knowledgeable service"
Shop Mini Split Install
Shop Mini Split Install
Rooftop AC Replacement
New Mounting Plate
Installing the Curb

+5

Response time1 day
90 neighbors recently requested a quote
Recommended by93%of homeowners
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LITT HEATING AND AIR CONDITIONING
5.0(
13
)
Central A/C - Service or RepairElectric Furnace / Forced Air Heating System - RepairGas Furnace / Forced Air Heating System - Repair+1 more

Serving Hilmar, CA and surrounding areas

Approved

In business since 2020

Free estimates

Offers commercial services

"I had such a great experience with LITT Heating and Air. He was extremely professional from start to finish and did an amazing job fixing my AC unit. He explained everything clearly, worked efficiently, and made sure everything was running perfectly before he left. I highly recommend him for anyone needing reliable and top-quality service."
AC Starter Kit
Response time8 hrs
Response rate100%
1 neighbors recently requested a quote
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Avatar for ACM Dryervent Care & more
ACM Dryervent Care & more
5.0(
2
)
Air Ducts & Vents - Clean

Serving Hilmar, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

ACM Dryer-Vent Care & More is a local air duct and dryer vent cleaning service based in Hollister, CA. The company is led by technicians with over 3 years of experience and focuses on improving home safety and appliance efficiency by reducing fire hazards and energy costs.

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Avatar for Just Stamping Concrete
Just Stamping Concrete
5.0(
28
)
Air Ducts & Vents - Clean

Serving Hilmar, CA and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

"The team was respectful of my property and worked diligently to ensure that the project was completed within the timeframe and budget we had discussed."
Concrete
Response time2 hrs
Response rate100%
2 neighbors recently requested a quote
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Sergio’s HVAC services
New to Angi
Central Air Cleaner - Repair or Service

Serving Hilmar, CA and surrounding areas

Approved

Emergency services offered

Small jobs welcome

Offers commercial services

Hi, my name is Sergio, owner of Sergio’s HVAC Services. I’ve been working in the HVAC industry since 2019 and specialize in HVAC repairs, maintenance, and full system installations. I earned my HVAC certification along with my EPA 608 Universal Certification, allowing me to professionally service all types of heating and cooling systems.\n\nI take pride in providing honest, reliable, and quality work to make sure every customer stays comfortable year-round. Whether you need a repair, replacement, or new installation, I’m here to help with all your HVAC needs

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Heating and Air Conditioning questions, answered by experts

Yes, HVAC zoning systems offer energy savings by allowing precise temperature control in different zones in your home. Rather than conditioning the whole house uniformly, these systems direct airflow where needed, preventing energy waste. Tailoring comfort to specific areas reduces energy consumption and lowers utility costs, making HVAC zoning an energy-efficient choice.

There are many recognizable symptoms of AC compressor failure. They include loud banging noises, hot air being continually circulated in your home despite running the AC at full blast, uneven airflow and cooling, and electrical issues like constant surges due to the compressor working overtime. While some of these symptoms, like uneven cooling, can have other root causes, they are common indicators of compressor problems.

A new HVAC system combines components to control indoor temperature and air quality. Features include a furnace or heat pump and an air conditioner or evaporator coil, depending on the climate requirements. It also involves a network of ductwork for air distribution, a thermostat for temperature regulation, and electrical connections. Air purifiers or humidifiers can be integrated to improve indoor air quality.

If refrigerant levels are low, it can cause the evaporator coil to freeze up. Low freon causes a drop in pressure, which will make the coil too cold and cause moisture to freeze on the coil. Your system may be low on refrigerant because of a leak. 

Make sure to have maintenance performed twice a year, and contact your local HVAC technician if you suspect your system has low freon levels.

The cost of annual maintenance depends on the type of HVAC system you have. AC service typically costs an average of $200 but ranges from $100 to $550. If your system needs repairs, the price will vary significantly depending on what needs fixing. However, addressing the issues as they arise can prevent further damage to your unit and keep it operating efficiently for much longer.

The Hilmar, CA homeowners’ guide to heating and air conditioning services

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

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