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Melnik Mechanical, LLC
New to Angi
Gas Furnace / Forced Air Heating System - InstallGas Boiler or Radiator Heating System - RepairGas Furnace / Forced Air Heating System - Repair+14 more

Serving Unalaska, AK and surrounding areas

Approved

In business since 2025

Credit card accepted

Offers commercial services

Melnik Mechanical, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business.

7 neighbors recently requested a quote
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Moore Heating and Cooling
4.8(
145
)
Air Ducts & Vents - CleanBoiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For Business+48 more

Serving Unalaska, AK and surrounding areas

In business since 1976

Free estimates

Emergency services offered

"My combo boiler/hot water went out yesterday Moore did a great job and came up with innovative solutions to get it fixed quickly - very pleased as temps are going to below zero and big snow has begun. Also great job on mask-wearing for COVID. I have used Moore Heating, including buying my boiler from them 9 years ago, and very pleased with their professional service!"
Recommended by94%of homeowners
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Avatar for Top Notch Cleaning Services
Top Notch Cleaning Services
4.1(
9
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Unalaska, AK and surrounding areas

In business since 2019

Emergency services offered

"Glad that I reached out to Kelci, she’s been nothing but helpful and responsive from our initial phone call. Definite repeat customer here. Found good help for a good price and recommend her to anyone. She’s stepped up exceeding my expectations of being able to help out with moving into new home & helping organize as well as Top Notch cleaning services."
Housecleaning Project
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Devore Housecleaning Project
Housecleaning Project
Housecleaning Project

+67

Recommended by77%of homeowners
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Avatar for Crystal Clear Window Washing
Crystal Clear Window Washing
5.0(
2
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Unalaska, AK and surrounding areas

In business since 2016

Free estimates

Emergency services offered

"David is wonderful. He did a terrific job on a house with many windows on various levels. I have recommended him to my neighbors and will use him again this coming summer."
Recommended by100%of homeowners
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Avatar for Avendano Services, LLC
Avendano Services, LLC
5.0(
2
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Unalaska, AK and surrounding areas

In business since 2009

Free estimates

Credit card accepted

"It was excellent, he's good. He's pretty clean, reliable, and I have no complaints about him,"
Recommended by100%of homeowners
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Heating and Air Conditioning questions, answered by experts

If you have central air conditioning, it’s fine to run your AC all day if that’s what you want—as long as the AC unit is in good condition. But if your AC runs constantly when you don’t want it to, there may be a problem with your system (like the ones we’ve mentioned above). Window AC units and wall air conditioners aren’t as powerful as central AC, so you should only run those kinds of air conditioners for eight to 12 hours at a time.

The American Society of Heating, Refrigerating, and Air-Conditioning Engineers, or ASHRAE, sets the standard guidelines for air changes per hour in homes and businesses. The International Residential Code, or IRC, also sets ACH requirements for residences and bases those requirements off of ASHRAE standards plus climate specifics related to your location.

Condensation forms when warmer, outside air combines with cooler air in your ductwork. This can happen when there are leaks in your air ducts, your HVAC system has a dirty air filter, or there’s a lack of insulation around the ducts. To prevent it from happening, replace your HVAC filters as directed. Also, once every five years, hire a local air duct cleaner to clean and inspect them.

Most AC repair technicians will take between two and six hours to carry out repairs, depending on the work needed and the accessibility of the unit. For example, recharging refrigerant lines should take one to two hours to service, while replacing a compressor, blower fan, or other major components can take five to eight hours. You can ask your AC repair technician how long they expect the job to take, but just in case, you should plan on being home and available for most of the day.

No, you don’t need a ductless unit in every room. Ductless AC units don't work the way that window units do, where the air doesn't travel outside that room. The indoor air handlers all attach to the outdoor condenser. While the air doesn't travel the way that traditional ductwork would, the ductless AC units create zones so that one part of the home can be cooler than another. They can spread effectively enough that indoor units only need to be placed in main living areas.

The Unalaska, AK homeowners’ guide to heating and air conditioning services

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