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Find Air conditioning pros in Dumont

Avatar for Chatfields LLC
Chatfields LLC
5.0(
12
)

Serving Dumont, CO and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Brian tested and fixed my AC quickly and professionally. He did the job efficiently and for hundreds, not thousands that the big outfits were quoting. He will be doing my HVAC maintenance from now on!"
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25 neighbors recently requested a quote
Avatar for Blue Sky Plumbing & Heating Inc.
Blue Sky Plumbing & Heating Inc.
5.0(
5
)

Serving Dumont, CO and surrounding areas

Approved

In business since 1989

Free estimates

Small jobs welcome

Blue Sky Plumbing, Heating, Cooling & Electric is a fourth-generation, family-owned home service company proudly serving the Denver Metro area since 1916. For over 100 years, our team has delivered trusted plumbing, HVAC, sewer, drain, electrical, and indoor air quality solutions with a commitment to honest service and long-term customer relationships.\n\nAs a locally owned company, we combine modern expertise with generations of hands-on experience to provide reliable repairs, installations, maintenance, and emergency services for homeowners across Colorado. Customers choose Blue Sky for our highly trained technicians, transparent communication, same-day availability, and dedication to doing the job right the first time.\n\nFrom routine plumbing repairs to complete heating, cooling, and electrical upgrades, Blue Sky is committed to delivering comfort, safety, and peace of mind to every home we serve.

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94 neighbors recently requested a quote
Avatar for Evergreen Heating & Cooling
Evergreen Heating & Cooling
5.0(
4
)

Serving Dumont, CO and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Kyle first confirmed and then followed up. He was professional and outlined potential costs. He quickly discovered the problem, replaced the part and completed the work in under an hour."
Unico High Velocity A/C retrofit
Wood Fired Boiler installed on Large Residence
Response time2 days
Recommended by100%of homeowners
Avatar for VersaPros Handyworks
VersaPros Handyworks
4.7(
14
)

Serving Dumont, CO and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"VersaPros Handyworks has been our go to Handyworks provider for the last decade! Replacing step treads, cleaning out havac system every year as well as keeping our lawn irrigation system programmed and up to par. Be sure to call VersaPros Handyworks and schedule your home service needs today. They are dependable and do great work."
Finished deck
Framework in the air.
With hardware on cabinets
Finished pics
Sink pluming

+54

Response time3 days
2 neighbors recently requested a quote
Recommended by46%of homeowners
K&G builder’s
New to Angi

Serving Dumont, CO and surrounding areas

Approved

We provide complete HVAC solutions for both residential and commercial projects throughout Denver and all of Colorado.\n\nWe specialize in the installation, maintenance, and repair of:\n✔ Central air conditioning systems\n✔ Mini split systems\n✔ Furnaces (heating systems)\n✔ Full HVAC systems\n\nOur team is committed to delivering accurate diagnostics, efficient solutions, and high-quality workmanship on every job. Whether it’s a small residential service or a large commercial project, we have the experience and capability to get the job done right the first time.\n\nWe focus on comfort, energy efficiency, and long-term system performance, adapting every installation to meet Colorado’s climate demands.\n\n✔ Residential & Commercial Work\n✔ Reliable and Professional Service\n✔ Fast and Efficient Response\n\n📍 Serving Denver and all of Colorado\n📞 Free estimates available\n

Avatar for Green Light Outdoor Home Services LLC
Green Light Outdoor Home Services LLC
5.0(
3
)

Serving Dumont, CO and surrounding areas

Approved

Small jobs welcome

Credit card accepted

Offers commercial services

"He was the first to respond and offered to do the work immediately on a Sunday at a competitive price. He communicated very clearly on price and scope. No nonsense and a very pleasant person."
3 neighbors recently requested a quote
Avatar for coloradoservicetechs.com
coloradoservicetechs.com
4.9(
17
)

Serving Dumont, CO and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"Technician diagnosed a bad capacitor; replaced it, cleaned the coils, checked the efficiency of the outdoor unit provided helpful maintenance/cleaning tips that will extend the life of the compressor."
Additional Photos
Recommended by100%of homeowners
Avatar for McCormick Heating and Cooling
McCormick Heating and Cooling
4.9(
42
)

Serving Dumont, CO and surrounding areas

In business since 2002

Free estimates

Emergency services offered

"Wonderful! They responded almost immediately and quickly identified the problem being in my wiring. An electrician had rewired some of the electrical panel and that was what had caused the air conditioner to quit working. I had called the electrician, but he couldn't help me. I was so impressed by McCormick Heating and Air diagnosing the problem and fixing the same day!"
Additional Photos
Additional Photos
Recommended by100%of homeowners
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Showing 1-10 of 121

FAQs for air conditioning projects in Dumont, 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 Dumont, CO homeowners’ guide to air conditioning services

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