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Best heating and air conditioning pros near Lakeside, MT

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Top-Rated Heating and air conditioning pros in Lakeside - Updated Nov 2026

Montana Heating and Cooling LLC
5.0(
8
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service+14 more

Serving Lakeside, MT and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"I couldn?t be happier with the job Cameron did installing my A/C. From the very start, he was professional, knowledgeable, and worked with great attention to detail. He made sure everything was done right and took the time to explain the process along the way. What really impressed me - was how by the end of the job, Cameron treated me less like just another customer and more like a family friend. It?s rare to find someone who combines skill with genuine care like that. I?d highly recommend Cameron to anyone!"
Response time8 hrs
Response rate100%
1 neighbors recently requested a quote
Avatar for AirDynamic
AirDynamic
5.0(
3
)
Central A/C - Service or RepairElectric Furnace / Forced Air Heating System - InstallCentral A/C - Install+10 more

Serving Lakeside, MT and surrounding areas

Approved

Emergency services offered

Warranties offered

Small jobs welcome

Your local HVAC company! Serving Kalispell and surrounding areas for your residential and light commercial heating and cooling needs!\nBacked by 20yrs of field expertise, we deliver comprehensive HVAC solutions that optimize comfort, reliability, and operational efficiency.

Mini split heat pump
Ductwork
2 neighbors recently requested a quote
Avatar for Black Diamond Electrical
Black Diamond Electrical
5.0(
13
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Lakeside, MT and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"Shawn and his crew were super knowledgeable and even helped out with other electrical projects that I was working on, making sure I was doing them the correct way. Black Diamond will be my first call for my next electrical projects."
Response time2 days
Response rate92%
2 neighbors recently requested a quote
Avatar for MK Heating and Cooling LLC
MK Heating and Cooling LLC
3.7(
3
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceDuctless Mini-split Heating System - Install or Replace+7 more

Serving Lakeside, MT and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"I had an issue with my furnace, so I requested help through Angi. Miki called me within 10 min and offered to come straight out to my house to diagnose the problem. After stopping at the store to pickup a new furnace filter for me, he showed up and got to work. I was very impressed with how fast he addressed the problem and fixed it. He then went on and showed me the type of filters to buy and what to stay away from. My furnace is very old and as a result will need to be replaced sometime in the next couple years. So when I change the filter he showed me what to look for so I know when the furnace needs to be replaced. I really liked this guy he came out right away, fixed furnace, offered me free professional advice and charged me next to nothing. He is very honest and reliable. I would and will highly recommend to anyone who seeks a heating/AC professional to work on their project!"
new construction
return air
furnace
furnace
furnace

+2

Response time20 mins
Recommended by50%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

They can, but it’s not as common. Window AC units are much smaller than whole-house systems and less likely to develop refrigerant leaks or similar issues. As a result, you will rarely need to add a new refrigerant, limiting overcharging problems. However, it’s still important to leave refrigerant management in the hands of professionals when window units need work.

If both your furnace and AC unit are more than a decade old, it may be a good idea to replace both of them. However, your furnace can last up to three decades, and your air conditioner can typically last up to 15 years, so consulting with a pro before deciding to replace both of them is best. If it’s before that time limit for each, you can fix many problems with repairs or just replace one.

Modern AC leak sealants work as a temporary measure to stop refrigerant leaks. You can purchase them at most home improvement stores or on online. When using an AC leak sealant, keep in mind that it’s only a temporary solution, so you’ll still need to hire a pro to install a replacement part as soon as possible.

Traditional central air conditioning systems require ductwork to circulate air throughout the home. Alternatively, you can add air conditioning with a mini-split ductless air conditioning system, which can be just as energy efficient as a central air conditioner. This type of system consists of two units–an outside unit that holds the compressor and condenser and an indoor unit that holds an air-handler. With multi-zone ductless systems, there are multiple indoor air handlers tied to a single outdoor compressor/condenser, allowing the system to cool multiple rooms.

Yes, mini split systems cool equally as well as central air. While a central system circulates air throughout the entire home at the same temperature, a mini split system allows each room to be cooled or heated at different temperatures based on your own preferences. Hire a HVAC professional to determine which type of system is best for your home.

The Lakeside, MT homeowners’ guide to heating and air conditioning services

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