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Avatar for Standard Heating & Air Conditioning Inc
Standard Heating & Air Conditioning Inc
4.8(
3,084
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business+3 more

Serving Crystal, MN and surrounding areas

Approved

Super Service Award Winner

In business since 1930

Free estimates

Emergency services offered

"I've participated in Standard Heating &Air Conditioning for many years. The come out promptly twice a year to check the AC in the spring Furnace in the fall. Scheduling is easy, they arrive on time, they are courteous and efficient. They always explain their recommendations and pricing and provide options. Ben came out this fall and displayed all of the qualities I've come to expect from Standard Heating and Air Conditioning techs."
Post Job Replacement
Before Installation
New A/C
New Furnace
Before Installation

+1

Response time1 day
5 neighbors recently requested a quote
Recommended by95%of homeowners
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+3 more

Serving Crystal, MN and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"Could not recommend more. Prices were very reasonable for install of an AC unit, and we had gotten multiple quotes before deciding on HVAC Doctor. Everything was done incredibly fast from the free quote to the install. The owner was very straightforward and honest which we appreciated more than anything. We will be using them for our hvac needs going forward and will be recommending them to others."
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+137

Response time1 day
20 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Hoffman Cooling and Heating
Hoffman Cooling and Heating
4.7(
2,072
)
Central A/C - Install

Serving Crystal, MN and surrounding areas

Approved

Super Service Award Winner

In business since 1957

Free estimates

Emergency services offered

"Hoffman got to my house to Replace my AC extremely quickly. And for a better price than I expected. Fast instillation and it’s only about 30 min after they left and my house is already much cooler!"
 Twins!!
 Another set of twins!!
 Oil to gas conversion, took out a monster!!
Jim's new car
New install van!!

+5

1331 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Green Team Carpet & Air Duct Cleaning
Green Team Carpet & Air Duct Cleaning
4.9(
97
)
Air Ducts & Vents - Clean

Serving Crystal, MN and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"I hired this company for air duct cleaning and couldn’t be happier with the experience. From scheduling to completion, everything was professional and straightforward. The technicians arrived on time, explained the entire process, and used powerful equipment to thoroughly clean our vents and HVAC system. We immediately noticed improved air quality and less dust in the house. They were respectful of our home, protected the work areas, and cleaned up completely before leaving. What really stood out to me was their professionalism and honesty. They did NOT nickel and dime me, their pricing was extremely competitive, and they didn’t try to push a bunch of additional services I didn’t need. They simply explained what they offered, answered my questions, and gave me exactly what I needed. I truly appreciated that approach. If you’re looking for reliable, high-quality duct cleaning with fair pricing and no pressure, I would absolutely recommend them. Great service and great results!"
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+16

Response time11 hrs
Recommended by92%of homeowners
Integrity Furnace & Duct Cleaning
4.9(
158
)
Air Ducts & Vents - Clean

Serving Crystal, MN and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"Absolutely over top excellent! They did an amazing job! Would highly recommend to anyone! They even showed me the before and after pictures of my air ducts, which installed even more confidence in the professionalism of Integrity. I talked to him about a concern of a musty smell in my baby’s room and he went the extra mile to also sanitize the duct. I wouldn’t chose anyone else after my experience with Integrity! And will most certainly use this company again! Very satisfied!!!"
Response time2 days
Response rate100%
1 neighbors recently requested a quote
Avatar for Minnesota Vent Pro, llc.
Minnesota Vent Pro, llc.
5.0(
25
)
Air Ducts & Vents - Clean

Serving Crystal, MN and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"June of 2020, Minnesota Vent Pro (MVP) came to clean our air ducts and dryer vent. Seeing how much they cleaned out probably helped to avoid a fire hazard. Andy from MVP was the utmost professional and provided fair pricing and we apprecIated the level of customer service he provided. We will definitely be using MVP again in 2023!"
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+13

Response time9 hrs
Recommended by73%of homeowners
Avatar for Hero Plumbing, Heating Cooling and Electrical
Hero Plumbing, Heating Cooling and Electrical
3.8(
288
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Crystal, MN and surrounding areas

Approved (Corporate)

In business since 1914

Free estimates

Emergency services offered

"They retrofit a central air conditioner in our 1920s house with radiant heat (no existing duct work) and it looks great. It is February so the AC canâ  t be run yet, but I expect it to work great. They worked quickly and left with the house just as clean as when they arrived! Thank you Hero!"
Air Conditioner Tune-Up
Completed Project
Furnace Install
Furnace Tune-Up
Garbage Disposal

+11

Response time2 hrs
63 neighbors recently requested a quote
Recommended by86%of homeowners
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Air Conditioning questions, answered by experts

Ideally, an AC system should never need more Freon (a popular refrigerant) because it circulates in a closed loop. However, refrigerant leaks are not uncommon and may occur gradually over 5 to 15 years. If your system has a leak, it will need to be topped up in a process known as an AC recharge. Signs of a refrigerant leak include weakened AC performance, increased humidity in your home, higher utility bills, and a hissing sound from the unit. The cost of an AC recharge will depend on the size and type of your AC unit, as well as the type of refrigerant it uses.

While your AC unit may still run even if its capacitor is going bad, doing so takes a lot more energy, so it can drive up your electric bill and cause further damage to your AC unit’s parts. If you suspect a bad capacitor, it’s important to have a professional diagnose and fix the problem before you continue to run your AC.

Yes, ventless portable air conditioners exist, and not all standard portable air conditioners must be vented through a window.

Ventless portable units, often called evaporative coolers, do not have exhaust hoses. They use a water reservoir and a cooling pad to add moisture to the air, making it feel cooler. These units work best in dry climates because humid areas cannot absorb much additional moisture.

For standard portable air conditioners that do require venting, a window is not the only option; they can also be vented through a door, wall, or ceiling. However, it is essential to vent these units properly. Running a standard portable AC without venting it is counterproductive because it needs to expel heat to cool the room. Failing to do so will only increase the room's temperature.

As mentioned above, not all HVAC Schrader valves are necessarily the same. While the valve core and pin or spring size on Schrader valves used for HVAC are generally similar, the valves are not all universal and interchangeable. The size of Schrader valves varies depending on whether it's used in an air conditioner, bicycle tire, or motor vehicle tire.

It is normal for the attic to be hotter than the rest of the house in the summer, but only by about 10 or 20 degrees. Attics that aren’t properly insulated or ventilated can reach temperatures of 130 degrees or more which can cause damage to the home’s structure, including the roof, wood framing, and HVAC system.

The Crystal, MN homeowners’ guide to air conditioning services

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