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Find Air conditioning pros in Louisville

Avatar for Lous Heating and Cooling LLC
Lous Heating and Cooling LLC
5.0(
69
)

Serving Louisville, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"The work done was exceptional. It was done in an efficient and timely matter. Louis showed expert knowledge and gave terrific customer service. He answered all my questions and helped me with my new air conditioning system. I would definitely recommend his work to anybody who is looking for a hard-working and knowledgeable HVAC provider! I could tell he really cared about the work and if ther is any other services I need, he will be my first call. Thank you again Louis"
80% Furnace Replacement
1998 York Furnace
Air Conditioner Replacement
Furnace Replacement
Swamp Cooler Deep Cleaning

+7

Response time5 hrs
187 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Behold Heating & Cooling Services
Behold Heating & Cooling Services
5.0(
59
)

Serving Louisville, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"I couldn?t be happier with my experience with Behold Heating & Cooling Services. They were able to squeeze us in on a Saturday without a weekend surcharge? already a huge win ? and from the moment their AC technician Tim arrived, we knew we were in great hands. Tim was friendly, knowledgeable, and genuinely easy to talk to. He walked us through three clear options to fix our AC and took the time to explain what each one meant. He also pointed out a few additional things we?d want to address down the road, without any pressure or upselling. It felt like he was looking out for us, not just trying to get through another service call. What really stood out was how both Behold and Tim listened. They treated us like people they wanted a long-term professional relationship with ? and that?s exactly what they earned. It?s rare these days to feel that level of care and respect from a service company. If you?re in Central Park or anywhere in Denver, I?d recommend Behold without hesitation. I"
Mini Split Install
A nice, new, clean Boiler - restoring heat right in time for the evening!
Glad we were able to restore heat same day for this customer.  Replaced Furnace and A/C for proper installation, air flow and 10 year warranty on FULL SYSTEM.
Glad we were able to restore heat same day.   Full Boiler replacement, repipe and zone valves.
Mini Split Install

+67

67 neighbors recently requested a quote
Recommended by60%of homeowners
Avatar for Pacific Air, Inc.
Pacific Air, Inc.
4.8(
84
)

Serving Louisville, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Offers commercial services

"I rarely write reviews, but Pacific Air, and especially technician Ray, deserve immense praise. If you seek an HVAC company that truly goes above and beyond, look no further. Our central AC is ancient, and we can't afford a replacement. When it broke, we dreaded a summer without air. Shane at Pacific Air understood our situation, assuring us they'd help us get "one more summer." Ray, our hero, arrived. He's professional, expert, and committed. The challenge was immense: finding parts for such an old unit. Ray and Shane tirelessly worked for four days to source the correct, elusive parts. Ray poured so much time and effort into our unit, meticulously bringing it back to life. The result is miraculous! Our old AC now works wonderfully! We have cool air, something we doubted was possible. Ray's dedication saved us from a sweltering summer. Thank you, Shane, Ray, and Pacific Air. You've earned a customer for life! Pacific Air is the company to call!"
New inside set up
New Outside set up
Before inside set up
Before outside set up
Response time4 hrs
Response rate94%
4 neighbors recently requested a quote
Avatar for Steven & Sons Heating and Cooling
Steven & Sons Heating and Cooling
4.8(
116
)

Serving Louisville, CO and surrounding areas

Approved

In business since 2015

Emergency services offered

Warranties offered

"Mariano came out and prepared the estimate for my new furnace and air conditioner. He, his dad and brother installed both units, repaired some of the ducts and configured the electronic. All the while he kept me informed on the status. They cleanup nicely at the end of the day. Excellent to work with. I highly recommend their work and integrity."
Steven Brazing one of our larger projects
Brazing
Mariano Brazing
Furnace Loaded and ready for delivery
Cutting

+47

Response time4 hrs
Response rate92%
7 neighbors recently requested a quote
Avatar for Mountain Pro HVAC Services, LLC
Mountain Pro HVAC Services, LLC
5.0(
126
)

Serving Louisville, CO and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"I just needed some simple advice regarding the filter in my central heating and air system. Adrian explained exactly what I needed and why. He saved me from unintentionally restricting airflow and burning out my entire system. He a Very knowledgeable and an all around good guy. Highly recommend this company."
Maintenance Services
Maintenance Services
Maintenance Services
Maintenance Services
New AC / Furnace Install

+4

Response time11 hrs
Response rate92%
1 neighbors recently requested a quote
Avatar for Your Comfort Heating and Cooling
Your Comfort Heating and Cooling
5.0(
19
)

Serving Louisville, CO and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"We had two AC units and a new furnace installed they were prompt, efficient, very respectful and great customer service! Dean was an absolute pleasure to work with, they have earned my business for life on any HvAC services I might need! Highly recommend"
New Amana Furnace
New Amana Heat Pump
High Efficiency
Outside Condensers
two new condensers

+3

Response time40 mins
Response rate92%
18 neighbors recently requested a quote
Avatar for Airflow Alchemy, LLC
Airflow Alchemy, LLC
4.9(
27
)

Serving Louisville, CO and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Needed help solving multiple electrical problems with my furnace and AC and the owner of the business was very thorough and honest with his recommendations and in explaining and showing what he was doing He fixed the problem in under 24 hours and everything is up and running fine. Will contact again if I need further work."
Dry Air Relief
Custom Comfort
Total HVAC Comfort
Helping a Local Hero
System Refresh

+209

Response time3 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for Apple Aire Heating & Cooling
Apple Aire Heating & Cooling
4.6(
196
)

Serving Louisville, CO and surrounding areas

Approved

Super Service Award Winner

In business since 1988

Free estimates

Warranties offered

"Apple Aire only does HVAC Systems, most other companies work on many things and donâ t have the knowledge or expertise in elevating a home for a new HVAC system. Shane at Apple Air was awesome to work with, a family owned business that cares!"
Boiler Replacement
Boiler Replacement
Boiler Replacement
Triple Furnaces
Triple Furnaces

+9

19 neighbors recently requested a quote
Recommended by93%of homeowners
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FAQs for air conditioning projects in Louisville, 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 Louisville, CO homeowners’ guide to air conditioning services

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