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Find Air conditioning pros in Rockville

Avatar for Pronto Heating & Air Conditioning
Pronto Heating & Air Conditioning
4.8(
1,548
)

Serving Rockville, MN and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Robby did a great job. He cleaned and blew out the drain lines for the furnace humidifier and the air conditioner. He replaced the April-aire humidipad filter. He cleaned inside the furnace cabinet, cleaned the flame sensor, and checked the wiring. He checked that the carbon monoxide levels are within normal limits."
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+4

Response time7 hrs
Response rate95%
13 neighbors recently requested a quote
Avatar for Hendrickson and Son's Plumbing, LLC
Hendrickson and Son's Plumbing, LLC
4.7(
9
)

Serving Rockville, MN and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

Hendrickson and Sons Plumbing LLC also does Heating, A/C and Electrical. We have been doing business in the area for many years. We have Experienced Professional Master License Employees. Our professionalism, integrity and attention to detail are what set us apart from the rest. Customer service and satisfactory has and will always be our number one importance. Give us a call today! 320-582-3008.

Response time5 hrs
Response rate89%
Recommended by87%of homeowners
Rent A Husband
4.5(
327
)

Serving Rockville, MN and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Emergency services offered

"Stephen was awesome. He came out right away and helped repair the lock on our sliding door. After getting turned down by many others and being told we potentially needed to replace our lock and handle, he helped repair the current version to restore it to like new condition. He was friendly, thoughtful, and patient, despite the challenge. A+ work. Highly recommended!"
Response time5 days
Response rate91%
1 neighbors recently requested a quote
Avatar for Pemberton Home Services, LLC
Pemberton Home Services, LLC
5.0(
4
)

Serving Rockville, MN and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

"Brian spent the extra time to make sure I understood when filters need to be changed, when the water heater needs to be flushed, and general maintenance on the a/c unit. He is very personable and easy to talk to."
Response time1 day
Response rate98%
6 neighbors recently requested a quote
Prolific Mechanical
5.0(
4
)

Serving Rockville, 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 Bold North Heating & Air, LLC
Bold North Heating & Air, LLC
New to Angi

Serving Rockville, MN and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Bold North Heating & Air is a Locally owned HVAC service company proudly serving homeowners in Big Lake and the surrounding areas. We specialize in furnace, air conditioners and fireplace service. To keep your home comfortable during any season. As a small Business we believe in treating customers the way neighbors should Be treated-with friendly service, honest advice, and fair pricing. Whether your furnace needs repair in the middle of winter or your ac needs service during the heat of the summer, you can count on Bold North Heating & Air for dependable, professional HVAC care.\n

New furnace
Furnace replacement
Dryer venting
Whole home dehumidifier
Whole home humidifier

+2

3 neighbors recently requested a quote
Avatar for Finken Plumbing, Heating & Cooling
Finken Plumbing, Heating & Cooling
3.0(
2
)

Serving Rockville, MN and surrounding areas

Approved

In business since 1961

Free estimates

Emergency services offered

A happy, healthy family thrives with pure, chemical-free water and safely functioning plumbing and climate control systems at home and at work. Finken is made up of two sister companies Finken Water Solutions & Finken Plumbing, Heating & Cooling working side by side to bring you whole-home and office climate comfort and clean water solutions. Finken Water Solutions is your premium source for water treatment and bottled water for your family and co-workers — we even deliver coffee and water softener salt to your door! For problem water as simple as hard water to as complex as arsenic and nitrate tainting, Finken has chemical-free filtration solutions to purify even the nastiest water. We even offer financing and rental options so everyone has access to the purest water possible, straight out of their tap, for better drinking, cleaner laundry and squeaky clean skin and hair. When it comes to bottled beverages, Finken has you covered from our five kinds of bottled water to our 100+ varieties of brewed beverages. Finken Plumbing, Heating and Cooling is ready to tackle your home or commercial construction or remodeling projects and repairs. We work with the best builders in the business to create safe comfortable homes and working environments. From new construction to remodeling, cozy homes to comfortable apartments and office complexes, Finken is the go-to choice for plumbing, heating and cooling contracting. Got a serious plumbing or HVAC predicament? Finken is on call for you 24-hours a day. When your furnace, air conditioner or toilet is clinkin’ better think Finken!

4 neighbors recently requested a quote
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FAQs for air conditioning projects in Rockville, 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 Rockville, MN homeowners’ guide to air conditioning services

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