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Find Air conditioning pros in Jamestown

Avatar for Heart Heating, Cooling, Plumbing & Electric
Heart Heating, Cooling, Plumbing & Electric
4.7(
90
)

Serving Jamestown, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"Heart is absolutely amazing! Look no further, as Heart is who you should choose to work with! They are very professional, punctual, and do everything right the first time. We have a couple of different areas Heart helped with, and so this review focuses on the HVAC work we needed, beginning with replacing our rooftop package unit. Every single person is phenomenal to work with, and very knowledgeable; starting from Mike setting up the appointment, Roberto coming out for the diagnostic, and then the multiple teams with Cody, Blake, Steven, Collin, and Cory working to get our unit replaced! I know it was much more involved than initially thought, and these guys were here doing all that they could to get our heat up and running again! They offered us heaters to keep us comfortable, and communicating and explaining what was going on every step of the way! We had an issue with the filter, and so Steven, Collin, and later Cody, came back a different day to create larger return vents for us to be able to replace air filters inside our home. They helped us so much, and removed shelving that was in the way too! We also needed our electrical panel upgraded, and so Cory will be helping us with that (thank you Cassandra for getting that reschedule). Heart also was able to have all of what we needed financed under one bill, which was a huge help! I cannot imagine going through the HVAC and electrical replacement with anyone else; these guys made it easy on me and kept my stress level down. My only regret is not having found them sooner back when we needed our water heater replaced. We will definitely keep Heart for any future issues we have, and keep with the membership program to have areas checked out regularly. Thank you to everyone at Heart--you all are truly amazing and we appreciate you so much!"
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+24

51 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Controlling Systems
Controlling Systems
4.4(
14
)

Serving Jamestown, CO and surrounding areas

Approved

In business since 1976

Free estimates

Emergency services offered

"We had an excellent experience with Controlling Systems from the first phone call to our install. All the professionals were prompt, friendly and hard working. We had a lot of questions throughout the process and they answered every one. The prices seem right in line with the industry and we were overall very happy with their work."
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21 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for Loos & Sons HVAC LLC
Loos & Sons HVAC LLC
5.0(
9
)

Serving Jamestown, CO and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"​Loos & Sons HVAC did a stellar job diagnosing the issue with our system; the technician was incredibly knowledgeable and quickly pinpointed the root cause. We especially appreciated that they took the time to clearly educate us on the problem and walk us through all the available solutions. This commitment to transparent service and customer empowerment makes them our new go-to company, and we highly recommend them."
Furnace replacement
Response time1 day
Response rate93%
7 neighbors recently requested a quote
Avatar for Jim Needham Heating Cooling Plumbing & Drain
Jim Needham Heating Cooling Plumbing & Drain
4.6(
69
)

Serving Jamestown, CO and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Jim did a great job installing my water heater. He also repaired a washer leak and water connectors. I would highly recommend him. He was fair and reasonable, high ethical standards. I certainly will call him again if I have a problem. Thank you Jim......"
After
Furnace
Outdoor a/c (condensing) unit
Indoor furnace
Outdoor a/c (condensing) unit

+1

Response time2 days
9 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Larry’s Legacy Landworks
Larry’s Legacy Landworks
5.0(
9
)

Serving Jamestown, CO and surrounding areas

Approved

Free estimates

Warranties offered

Small jobs welcome

I specialize in building simple, high-quality backyard spaces like pergolas and outdoor living areas, along with select interior projects like tile, flooring, and drywall repair. My goal is to create clean, functional spaces that make your home more enjoyable to use. I take on a limited number of projects to ensure quality and attention to detail.

Bathroom remodel
Bathroom remodel
Kitchen Remodel
Drywall skim coat
Shower Door Instillation

+4

10 neighbors recently requested a quote
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FAQs for air conditioning projects in Jamestown, CO

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 Jamestown, CO homeowners’ guide to air conditioning services

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