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TRUSTED BY MERCED, CA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon87
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Merced - Updated Nov 2026

Avatar for Mechanical Air, LLC
Mechanical Air, LLC
5.0(
6
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - Install+23 more

Serving Merced, CA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

Top Rated Air Conditioning & Heating installation and replacement services. 14+ years in business.\n\nOur Expertise: Delivering Comprehensive HVAC Solutions\nWith over 30 years of combined experience in the HVAC industry, our team possesses the expertise to handle a wide range of needs, from efficient AC repair and installation to complex ductwork services and specialized commercial refrigeration.\n\nWhat sets us apart as a premier AC company is our commitment to providing honest, fair-priced service and a customer-first approach. We understand the importance of a comfortable indoor environment, and we strive to exceed your expectations with every service call.\n\nExperience the difference with Mechanical Air.

HVAC System Bosch Installation
Residential HVAC Heat Pump Installation
HVAC System Bosch Installation
HVAC System Bosch Installation
HVAC System Bosch Installation

+7

Response time9 hrs
Response rate100%
14 neighbors recently requested a quote
Avatar for United Heating and Air
United Heating and Air
5.0(
4
)
Central Air Cleaner - Repair or Service

Serving Merced, 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.

Avatar for Cosmic Comfort
Cosmic Comfort
4.8(
97
)
Central A/C - InstallCentral A/C - Service or RepairGas Furnace / Forced Air Heating System - Install+4 more

Serving Merced, CA and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

Cosmic Comfort is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

21 neighbors recently requested a quote
Recommended by94%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

The average cost to replace or install a new HVAC system is around $7,500. However, the price can range from $5,000 to $12,500, depending on factors like the size of your home, the type and brand of the unit, and your specific heating and cooling needs. If you only need to replace certain components, the cost will be lower; for example, a new AC unit can cost between $2,200 and $5,500, while a new furnace costs $3,200 to $6,000. If additional work like new ductwork is required, the total cost could be as high as $22,000. It's best to contact a local HVAC company for an accurate quote.

To lower humidity quickly, run a dehumidifier or your home's air conditioner or turn on exhaust fans to extract moisture. These methods can quickly and effectively bring your home's humidity levels to a comfortable condition. However, you should consistently practice humidity-reducing tasks to maintain proper indoor humidity levels.

Traditional central air conditioning systems require ductwork to circulate air throughout the home. Alternatively, you can add air conditioning with a mini-split ductless air conditioning system, which can be just as energy efficient as a central air conditioner. This type of system consists of two units–an outside unit that holds the compressor and condenser and an indoor unit that holds an air-handler. With multi-zone ductless systems, there are multiple indoor air handlers tied to a single outdoor compressor/condenser, allowing the system to cool multiple rooms.

If you have central air conditioning, it’s fine to run your AC all day if that’s what you want—as long as the AC unit is in good condition. But if your AC runs constantly when you don’t want it to, there may be a problem with your system (like the ones we’ve mentioned above). Window AC units and wall air conditioners aren’t as powerful as central AC, so you should only run those kinds of air conditioners for eight to 12 hours at a time.

You should only run your dehumidifier in warmer months, such as spring and summer, to get the best performance out of your system. The air gets drier when temperatures drop in the winter months, creating less of a need for a dehumidifier. However, when to run a dehumidifier will depend on your local climate.

The Merced, 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.