Top-rated air conditioning pros.

Get matched with top air conditioning pros in Middletown, CA

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Air conditioning pros in Middletown

Avatar for Best Chance Heating and Cooling
Best Chance Heating and Cooling
5.0(
47
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+1 more

Serving Middletown, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Credit card accepted

"Very knowledgeable, explained my options, fixed the problem quickly, very reasonable rates for labor. One of best HVAC people I've ever worked with."
Mitsubishi air handler
Air handlers
Attic install
Old furnace
New furnace

+20

Response time8 hrs
53 neighbors recently requested a quote
Recommended by67%of homeowners
Request Quote
Avatar for Enviro Heating & Air Conditioning Inc.
Enviro Heating & Air Conditioning Inc.
4.5(
45
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Middletown, CA and surrounding areas

Approved

In business since 2008

Emergency services offered

Warranties offered

Enviro Heating & Air Conditioning Inc. is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.\n

37 neighbors recently requested a quote
Recommended by95%of homeowners
Request Quote
Avatar for Bragg Home Services
Bragg Home Services
4.7(
46
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+2 more

Serving Middletown, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1968

Free estimates

Warranties offered

"David was super helpful in looking at my Trane furnace and making all of the recommended adjustments. I especially appreciated the timexhextook to assess the health of the heater and suggestions for making some changes to get cleaner air. Also what to expect in the next few years. Bragg has been a reliable partner for my heating and and water heater"
Eichler
Victor
Navien
Mitsubishi
Mitsubishi Electric Heating and Air Conditioning

+1

Response time10 hrs
Response rate88%
173 neighbors recently requested a quote
Request Quote
Avatar for B&W Handyman
B&W Handyman
4.9(
83
)
Window A/C Unit - InstallWindow A/C Unit - Install - For Business

Serving Middletown, CA and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Warranties offered

"Will was able to come over on a Sunday and moved a thermostat which required getting up into the attic and moving wiring. He even helped me move the artwork to this spot where the thermostat had been."
2023 award
Extended Porch
Roof Repair
Gazebo Build & installation
Window Repair

+456

Response time1 day
Response rate99%
2 neighbors recently requested a quote
Request Quote
Avatar for Performance Mechanical Enterprises, Inc.
Performance Mechanical Enterprises, Inc.
4.9(
26
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+10 more

Serving Middletown, CA and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"They responded very quickly to our air conditioner emergency. We will be contacting them when we are ready to upgrade our A/C next fall."
After 2
After 1
Before 2
Before 1
Recommended by100%of homeowners
Request Quote
Black Jack Heating And Air
4.8(
20
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For BusinessCentral Air Cleaner - Repair or Service+5 more

Serving Middletown, CA and surrounding areas

In business since 1985

Free estimates

Credit card accepted

"prompt, knowledgeable, and professional, told me a lot about my unit. wasn't able to solve my problem, which appears to be intermittent, but set my mind at rest about what was not the problem. reasonable service fee"
Recommended by100%of homeowners
Request Quote
Avatar for Climate Services Heating and Air Conditioning
Climate Services Heating and Air Conditioning
5.0(
8
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+1 more

Serving Middletown, CA and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Note: The work performed was for replacement of the Triangle Tube boiler for my radiant heating and domestic hot water system. There was no option matching this so I selected heat pump. Sean and Climate Services was assigned to my service request by my home warranty company and I am so glad they did. My Triangle Tube boiler was failing to ignite and Sean determined it was due to a cracked heat exchanger. It was decided to install a new Triangle Tube boiler due to the age of the old unit. This started a chain of events which included receiving new boilers that were damaged and the closure of the Triangle Tube company. Sean worked with the distributor to return the Triangle Tube boiler and replace it with a Navien system which has worked beautifully. Sean is meticulous, pays attention to detail and takes great pride in his work. I am planning to use Climate Services to design and install a multi-zone mini-split system for the same house."
Honeywell Zone Board
Air Purifier
Air Handler
Outdoor Units
Bryant Heat Pumps

+2

2 neighbors recently requested a quote
Request Quote
Avatar for Next Day Air & Heating
Next Day Air & Heating
5.0(
5
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Middletown, CA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"They did a great job! Hauled to old one away, put the new one in and the water is super hot. I'm a happy customer!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Recommended by100%of homeowners
Request Quote
...
Showing 1-10 of 68

FAQs for air conditioning projects in Middletown, 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 Middletown, CA homeowners’ guide to air conditioning services

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

See all articles