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Find Air conditioning pros in Cologne

Avatar for HVAC Doctor LLC
HVAC Doctor LLC
4.9(
28
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Cologne, MN and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"vitaly and his crew did a very good job of removing a big old furnace and installing a new furnace and air conditioner. They did it in a timely manner at a very fair price. explained everything very well. left the place cleaner than when they started. Highly recommend Hvac Doctor."
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+137

Response time1 day
35 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Aquarius Home Services
Aquarius Home Services
4.6(
260
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Cologne, MN and surrounding areas

Approved

Super Service Award Winner

In business since 1987

Free estimates

Emergency services offered

"Aquarius Home Services' personnel are always friendly, efficient, and good communicators. Ryan Kahl did a great job for us servicing our water conditioning system. He is a good communicator and very courteous, exploring how he could provide additional help or service for us."
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Our Team
Response time12 hrs
Response rate100%
6 neighbors recently requested a quote
Avatar for Prolific Mechanical
Prolific Mechanical
5.0(
6
)
Outdoor Mist Cooling System - InstallOutdoor Mist Cooling System - Install - For BusinessOutdoor Mist Cooling System - Service or Repair+1 more

Serving Cologne, MN and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"I recently had Prolific Mechanical install a new air conditioning system, and I couldn't be happier with the results. The young man who completed the installation was professional, courteous, and extremely knowledgeable. He took pride in his work, kept everything clean, and made sure the installation was done correctly from start to finish. The new system runs flawlessly and keeps the house comfortable even on the hottest days. I highly recommend Prolific Mechanical to anyone looking for quality workmanship and dependable HVAC service."
Avatar for Blake's Heating & Air, LLC
Blake's Heating & Air, LLC
3.8(
4
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Cologne, MN and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"If you're looking for honest, dependable HVAC service, I can't recommend Blake enough! My central air unit was leaking and missing some hoses, and he had it fixed up in no time. He was professional, efficient, and took the time to explain everything to me. In a small town, word of mouth means everything, and Blake is the kind of person you want to support hardworking, trustworthy, and genuinely cares about his customers. If you need heating or air conditioning work done, give him a call. You won't be disappointed!"
7 neighbors recently requested a quote
Recommended by33%of homeowners
Avatar for Dusty Boots Repair LLC
Dusty Boots Repair LLC
5.0(
3
)
Window A/C Unit - Service or Relocate

Serving Cologne, MN and surrounding areas

Approved

I specialized in appliance repair. Washers, dryers, refrigerator, dishwasher and garbage disposals. I can do A/C cleaning, small electrical ( outlets and switches) and plumbing.

20 neighbors recently requested a quote
Avatar for Total Comfort Heating and Cooling
Total Comfort Heating and Cooling
4.5(
445
)
Central A/C - InstallCentral A/C - Service or RepairCentral Humidifier - Install or Replace+1 more

Serving Cologne, MN and surrounding areas

In business since 1956

Free estimates

Emergency services offered

"These guys are absolutely awesome! We had a cracked heat exchanger and it was dangerous to continue heating because of carbon monoxide leaking. The original duct work was all done incorrectly and caused the furnace (and A/C} to overwork. We had their representative, Danny come to our house one afternoon to give us a bid for heating, duct replacement, and air conditioning. Well, by the next morning we had we had a whole team of guys here and ready to start work on the job. I still don't know how they managed to pull it all together so fast! They had the new furnace, duct work and air conditioner all here and ready to be installed! These guys were all awesome. They worked so hard, and they went the extra mile to make sure we were happy with what they were doing. We would DEFINITELY recommend using Total Comfort and their great team! Thanks Adam C., Adam P., Dylan, Joe, and Tad!"
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+15

Recommended by88%of homeowners
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FAQs for air conditioning projects in Cologne, MN

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 Cologne, MN homeowners’ guide to air conditioning services

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