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Avatar for Lous Heating and Cooling LLC
Lous Heating and Cooling LLC
5.0(
70
)
Central A/C - Service or RepairSwamp Cooler - Service or RepairCentral A/C - Service or Repair - For Business+2 more

Serving Northglenn, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"Lou was extremely helpful and knowledgeable. His service was incredible and he got my furnace working in no time. Hands down best HVAC experience Iâ ve ever received! Definitely recommended."
80% Furnace Replacement
1998 York Furnace
Air Conditioner Replacement
Furnace Replacement
Swamp Cooler Deep Cleaning

+7

Response time4 hrs
154 neighbors recently requested a quote
Recommended by87%of homeowners
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Avatar for Air&Hvac Master
Air&Hvac Master
5.0(
14
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Northglenn, CO and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"They had a lot of experience in the cleaning up our air duct. They were the best. They also cleaned my dryer and chimney very well. I'm comfortable using them again and again. They had a reasonable price."
Clogged AC coil
After cleaning
Air Duct Cleaning Project
Air Duct Cleaning Project
Coil after cleaning

+26

Response time10 hrs
Response rate100%
3 neighbors recently requested a quote
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Avatar for Emporia Home Services
Emporia Home Services
4.8(
22
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Northglenn, CO and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"The electricians were very knowledgeable on the project"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+11

Response time2 days
Response rate100%
8 neighbors recently requested a quote
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Avatar for Pacific Air, Inc.
Pacific Air, Inc.
4.8(
84
)
Central A/C - Service or Repair

Serving Northglenn, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Offers commercial services

"Shane and PAC Air tech, Ray were both great. Job was well done and done quickly despite Summer crush!"
New inside set up
New Outside set up
Before inside set up
Before outside set up
Response time4 hrs
Response rate96%
1 neighbors recently requested a quote
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Avatar for M & H Air, LLC
M & H Air, LLC
5.0(
18
)
Central A/C - Service or RepairCentral A/C - InstallCentral A/C - Install - For Business+2 more

Serving Northglenn, CO and surrounding areas

Approved

In business since 2001

Free estimates

Credit card accepted

"Romero Thank you for your exceptional service when our air conditioning stopped working. We truly appreciate that you came out the same day to inspect the system. What we valued most was how you kept us updated throughout the entire process. Your communication, professionalism, and prompt delivery were outstanding. Thank you also for explaining all the options our home qualified for before we made the investment."
M & H Air, LLC
Victory Outreach Church
3 neighbors recently requested a quote
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Avatar for Absolute 1st Choice Heating & Air Conditioning Inc.
Absolute 1st Choice Heating & Air Conditioning Inc.
4.5(
122
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For BusinessCentral Air Cleaner - Repair or Service+1 more

Serving Northglenn, CO and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"He figured out the issue with our air conditioner quickly and fixed it easily. Took 10 days to get onto the schedule (but it was peak hot season)."
Response time8 hrs
4 neighbors recently requested a quote
Recommended by97%of homeowners
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Avatar for Behold Heating & Cooling Services
Behold Heating & Cooling Services
4.9(
47
)
Central A/C - Service or RepairCentral Humidifier - Repair or Service

Serving Northglenn, CO and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Not only did the crew of Behold, Tristan and Kendrick, install a new furnace, but they also installed the Air Conditioning unit, all in one day! They were professional, thorough, friendly and diligent workers. Would hire them any time."
Boiler Repair/Replacement
Boiler Replacement and Repipe
Boiler Replacement and Repipe
Furnace, AC, Water Heater Replacement
Furnace Tune-up

+35

Response time6 hrs
Response rate100%
120 neighbors recently requested a quote
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Avatar for New Era HVAC
New Era HVAC
4.8(
28
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+5 more

Serving Northglenn, CO and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Jared is one of the most knowledgeable technicians I have ever had service my over-the-hill A/C unit. If you're looking for professional service, with an informed technician then I would recommend his services. I'll be using them again for sure."
Navien tankless water heater pvc direct vent
Navien tankless water heater hard piped (copper)
Navien tankless water heater (acid neutralizes)
Gas fired unit heater
Swamp cooler

+49

Response time12 hrs
Response rate98%
Recommended by100%of homeowners
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Avatar for Mountain Pro HVAC Services, LLC
Mountain Pro HVAC Services, LLC
5.0(
126
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For BusinessCentral Humidifier - Repair or Service+2 more

Serving Northglenn, 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%
Recommended by100%of homeowners
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Avatar for Steven & Sons Heating and Cooling
Steven & Sons Heating and Cooling
4.7(
118
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Northglenn, CO and surrounding areas

Approved

In business since 2015

Emergency services offered

Warranties offered

"My air went out yesterday, temp in the 90s. Mario called me this morning, a Sunday morning!! He was on his way home after another job and said he could come right over. He diagnosed the problem and fixed the situation, and the air came right on! Amazing, friendly and professional experience, soooo thankful. Thank you Steven and Sons!!"
Steven Brazing one of our larger projects
Brazing
Mariano Brazing
Furnace Loaded and ready for delivery
Cutting

+47

Response time4 hrs
Response rate93%
6 neighbors recently requested a quote
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FAQs for air conditioning projects in Northglenn, 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 Northglenn, CO homeowners’ guide to air conditioning services

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

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