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*The Angi rating for Air Conditioning companies in Sitka, AK is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Air Conditioning needs.

*The HomeAdvisor rating for Air Conditioning companies in Sitka, AK is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Air Conditioning needs.

Last update on September 23, 2025

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Avatar for Anchorage Plumbing and Heating
Anchorage Plumbing and Heating
4.8(
368
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Sitka, AK and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"It went very well. The plumber was very efficient."
Anchorage Plumbing and Heating
Anchorage Plumbing and Heating
Anchorage Plumbing and Heating
Anchorage Plumbing and Heating
We have a well stocked warehouse to serve you better

+4

1 neighbors recently requested a quote
Recommended by94%of homeowners
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Air Conditioning questions, answered by experts

The cost of R32 refrigerant is about the same as the cost of R410A refrigerant, the most widely available type of refrigerant today. However, R32 systems use about 20% less refrigerant than R410A systems, making the refrigerant less expensive overall.

The DOE is phasing out AC units with SEER ratings that fall below 14 or 15. The exact minimum rating depends on your region. In the northern United States, new ACs must have a minimum SEER rating of 14, though you can still buy and install older systems as long as they were compliant when they were manufactured. In the southern and southwestern United States, you cannot buy or install older air conditioners with lower SEER ratings. The minimum rating is between 14.5 and 15, depending on the power of the unit.

Evaporator coils in HVAC systems typically last around 10 to 15 years. However, their life span can be longer or shorter based on factors like the frequency of your HVAC system usage, whether regular maintenance is performed, and environmental conditions. Regular maintenance, such as HVAC system cleaning and coil inspection, can extend the durability and efficiency of your evaporator coil.

Dirty filters are almost always the cause of poor airflow, so they should be regularly cleaned and then replaced as needed. The fan blades can also get dirty, so they should be cleaned when the unit is turned off. Make sure that the outdoor area around the back of the unit is unobstructed. Trees, shrubs, trash, and other objects could be too close to your unit.

A frosty expansion valve that isn't blowing out cool air is a sure sign that it’s time to replace it. It might also be time to replace the TXV valve if your AC unit switches off soon after turning on or if you have poor airflow in your home.

The Sitka, AK 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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