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Avatar for Bell Brothers Heating and Air Conditioning, Inc.
Bell Brothers Heating and Air Conditioning, Inc.
4.6(
76
)
Air Ducts & Vents - CleanCentral A/C - InstallCentral A/C - Service or Repair+1 more

Serving Johnston, IA and surrounding areas

Approved (Corporate)

In business since 1955

Free estimates

Emergency services offered

"It went great.  Initially was only going to have two supply runs replaced but Tom, on inspecting the ductwork did three.  His sheet metal work is awesome!  Also the dryer vent looks great.  He had to go through brick to install it and it took quite some time to get the hole drilled."
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+11

Recommended by91%of homeowners
Avatar for Clean Air Systems
Clean Air Systems
4.8(
75
)
Air Ducts & Vents - Clean

Serving Johnston, IA and surrounding areas

Approved

In business since 1989

Free estimates

Credit card accepted

"Cared about his work. Knowledgeable. Was having problems with limited air flow in vents in our new house. It s better now. He and his helper were here about 3 hrs. Very thorough."
Response time1 day
19 neighbors recently requested a quote
Recommended by97%of homeowners
Precision Comfort, LLC
4.8(
109
)
Central A/C - Service or Repair

Serving Johnston, IA and surrounding areas

Approved

In business since 2000

Warranties offered

Credit card accepted

"I went with this company to replace my furnace and air-conditioner. My furnace went out on a Friday night, they came out to give me a bid on Monday and replaced both units on Tuesday. I chose them because their price was within $100-$200 of the big companies, but Precision is owner operated. The owner gave me the bid and was here to do the installation. I appreciate the owner doing the installation as he has a lot of experience and will be the one I call if something goes wrong. They only took 6 hours to do both installations - it was quick, clean, easy and well done. Highly recommend."
Response time6 days
3 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Schaal Plumbing, Heating, and Cooling
Schaal Plumbing, Heating, and Cooling
5.0(
32
)
Central A/C - InstallAir Ducts & Vents - CleanCentral A/C - Service or Repair+1 more

Serving Johnston, IA and surrounding areas

Approved (Corporate)

In business since 1946

Free estimates

Emergency services offered

"Jarad came to inspect my air conditioner. When the furnace and air conditioner was installed, they took time to explain how they worked and what I needed to do from one season to the next. However, there was so much information exchanged then, I forgot part of it. Jarad took the time to thoroughly explain everything. He also looked at another concern of mine, and he fixed that. I couldn't have been more pleased."
59 neighbors recently requested a quote
Recommended by78%of homeowners
True North Mechanical
5.0(
4
)
Central A/C - Service or RepairCentral A/C - InstallCentral A/C - Install - For Business+1 more

Serving Johnston, IA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

1 neighbors recently requested a quote
Voda Cleaning & Restoration of Grimes
New to Angi
Air Ducts & Vents - Clean

Serving Johnston, IA and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

Thank you for considering hiring us for your project! At Voda Cleaning & Restoration of Grimes we pride ourselves on quality work, integrity and competitive pricing. We believe in giving our absolute best, no matter how big or small your project.\n\nWe are experts in our trade, and we will keep you educated and informed throughout the completion of your project. We treat your property like it's our own, with the utmost respect, just like we would our own family!\n\nAs the owner, my aim is to earn a 5-star review on the completion of your project. So, please let me know if at any time we are not living up to earning your perfect 5-star review.\n\nWe look forward to earning your business, so please ask us for references!

Andrea’s Cleaning service
New to Angi
Air Ducts & Vents - Clean

Serving Johnston, IA and surrounding areas

Approved

Emergency services offered

Andrea’s Cleaning Services\n\nWith several years of professional cleaning experience, I specialize in detailed residential, move-in/move-out, and post-construction cleaning. I serve Des Moines and surrounding areas, offering flexible scheduling and travel for select projects.\n\nI’m known for high-quality, detail-focused work—especially in kitchens, bathrooms, and deep cleaning situations that require extra care. I take pride in being reliable, efficient, and consistent.\n\nClients choose me because I deliver results you can see and feel. I treat every home with respect and focus on providing a clean, polished, move-in-ready finish every time.\n

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Air Conditioning questions, answered by experts

A common HVAC rule is that for every 500 to 600 square feet of living space, you need 1 ton of heating or cooling capacity. Now that you know this common rule, you also need to know that it isn’t very accurate, and a dedicated pro wouldn’t use it for your home. If you talk to a pro who won’t or can’t perform a proper Manual J calculation, consider hiring someone more thorough.

If your whole house is cold that’s one thing, but what if you only have a few rooms that are cold? First, you need to determine why this may be happening. A good place to start is to investigate the potential causes listed in this article—heat transfer, airflow, thermostat problems, humidity, and insulation. Once you’ve narrowed down the issue, you’d apply the same principles to the cold rooms as you would to the entire home.

Yes, HVAC zoning systems offer energy savings by allowing precise temperature control in different zones in your home. Rather than conditioning the whole house uniformly, these systems direct airflow where needed, preventing energy waste. Tailoring comfort to specific areas reduces energy consumption and lowers utility costs, making HVAC zoning an energy-efficient choice.

If your AC condenser is nearing the end of its life, it might leak fluid or make loud or unusual sounds (like grinding or hissing). You might also notice that it isn’t heating your home as evenly or effectively as it once did. Also, an aging condenser will have to work harder to cool your home, which may force it to use more power and drive up your utility bills.

Yes, it’s important to turn off your AC sometimes to give it a break and prevent it from freezing up. If your AC runs all the time, your system’s parts will wear down quicker, which may mean that you need to replace it sooner. Plus, using your AC constantly uses more electricity and leads to higher energy bills.

The Johnston, IA homeowners’ guide to air conditioning services

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