10 Best HVAC Companies in Johnston, IA

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Last Updated: February 25, 2025

According to the U.S. Department of Energy, about 55% of energy use in American homes goes toward heating and cooling. Energy costs in Johnston tend to be higher than in some other places, meaning that you're probably trying to save money on your bill.

We've researched and assembled this guide to Johnston's top HVAC companies to help you find the right person for your job and get your system into top shape.

Top 10 Best HVAC Companies in Johnston

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Baxter Comfort Solutions

Baxter Comfort Solutions Logo

Our Rating

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120 S Main St, Baxter, IA 50028 (641) 328-8797 baxtercs.com

Informative resources

Free quotes

Reliable customer support

Clear pricing policy

Services Offered

Indoor air quality
Boiler repair
Maintenance
Ac installation
Furnace repair
Ac repair
Furnace installation
Ductless
Radiant heating
Boiler installation
Ventilation
Duct cleaning
Filtration
Zoning systems

One Hour Heating & Air Conditioning® of Ames

One Hour Heating & Air Conditioning® of Ames Logo

Our Rating

User Rating

409 S Bell Ave, Ames, IA 50010 (515) 303-3782 onehourheatandair.com

Prompt service delivery

Clear pricing policy

Free quotes

Informative resources

Services Offered

Ac installation
Indoor air quality
Emergency services
Inspection
Furnace repair
Furnace installation
Ac repair
Ductless
Ventilation
Maintenance
Boiler installation
Filtration

Heartland Heating & Cooling

Heartland Heating & Cooling Logo

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User Rating

3155 SE Miehe Dr Suite 1, Grimes, IA 50111 (515) 344-3579 heartlandheating.com

Informative resources

Reliable customer support

Services Offered

Maintenance
Furnace installation
Smart home integration
Zoning systems
Furnace repair
Boiler installation
Ventilation
Filtration
Ductless
Ac repair
Emergency services
Ac installation
Indoor air quality

True Comfort Heating and Cooling

True Comfort Heating and Cooling Logo

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User Rating

751 NE Broadway Ave Unit B, Des Moines, IA 50313 (515) 206-6899 truecomfortiowa.com

Prompt service delivery

Informative resources

Reliable customer support

Free quotes

Clear pricing policy

Services Offered

Ductless
Ventilation
Filtration
Inspection
Maintenance
Indoor air quality
Ac repair
Furnace installation
Duct cleaning
Ac installation

Kohles & Bach Heating & Cooling

Kohles & Bach Heating & Cooling Logo

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User Rating

5185 NW Beaver Dr, Johnston, IA 50131 (515) 207-6569 kohlesandbach.com

Clear pricing policy

Reliable customer support

Informative resources

Services Offered

Ductless
Ventilation
Ac installation
Ac repair
Indoor air quality
Emergency services
Filtration
Boiler installation
Furnace repair
Furnace installation
Zoning systems
Maintenance

Midwest Comfort Heating & Cooling

Midwest Comfort Heating & Cooling Logo

Our Rating

User Rating

6741 University Ave, Des Moines, IA 50324 (515) 277-6327 midwestcomfortiowa.com

Clear pricing policy

Informative resources

Free quotes

Reliable customer support

Services Offered

Furnace installation
Ac repair
Maintenance
Ac installation
Ventilation
Emergency services
Filtration
Boiler installation
Boiler repair
Ductless
Inspection

Kapaun & Brown Inc

Kapaun & Brown Inc Logo

Our Rating

User Rating

1002 Lincoln Way, Marshalltown, IA 50158 (641) 812-2028 kapaunandbrowninc.com

Clear pricing policy

Informative resources

Reliable customer support

Services Offered

Furnace repair
Ventilation
Furnace installation
Ac installation
Emergency services
Boiler installation
Maintenance
Indoor air quality
Zoning systems
Filtration
Ac repair
Ductless

Metro Heating & Cooling

Metro Heating & Cooling Logo

Our Rating

User Rating

3517 Hubbell Ave, Des Moines, IA 50317 (515) 266-3693 metrohci.com

Reliable customer support

Clear pricing policy

Informative resources

Services Offered

Radiant heating
Duct cleaning
Furnace installation
Ductless
Ac repair
Emergency services
Ac installation
Maintenance
Zoning systems
Indoor air quality

Honest Heating and Cooling Inc

Honest Heating and Cooling Inc Logo

Our Rating

User Rating

507 Player St, Marshalltown, IA 50158 (641) 753-3524 honestheatingac.com

Reliable customer support

Informative resources

Services Offered

Maintenance
Boiler installation
Furnace repair
Ductless
Filtration
Ac repair
Boiler repair
Ac installation
Indoor air quality
Furnace installation
Radiant heating

Sears Heating and Air Conditioning

Sears Heating and Air Conditioning Logo

Our Rating

User Rating

3069 99th St, Urbandale, IA 50322 (463) 213-9439 searshomeservices.com

Reliable customer support

Free quote

Clear pricing policy

Informative resources

Services Offered

Ventilation
Furnace installation
Filtration
Maintenance
Boiler installation
Indoor air quality
Ductless
Inspection
Ac repair
Ac installation
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on hvac companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

Signs You May Need HVAC Repair or Replacement

If your home's HVAC system is malfunctioning or suffering from a lot of wear and tear, you might need an HVAC contractor for repairs or replacement. Watch for these common indicators that your system requires professional attention:

  • Cracking, rust, or corrosion
  • Frequent breakdowns and need for repairs
  • Poor air circulation or uneven heating/cooling
  • Strange noises when turning on
  • Refrigerant leaks
  • Thermostat malfunctions or temperature control issues
  • Unusually high energy bills
  • An HVAC system that's over 15 years old

If you notice any of the above, it's wise to have a local HVAC technician inspect your system. They can pinpoint problems and let you know whether repair or full HVAC replacement is required.

Cost of HVAC Installation and Maintenance in Johnston

Your HVAC installation or maintenance cost fluctuates depending on the type of unit. Common HVAC unit varieties include the following:

  • Split or mini-split: If your home lacks the ductwork for central air or heating, you likely have a split or mini-split system instead. Split HVAC systems have indoor units in each room to manage temperature. These connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC unit operates similarly to a regular split system. It gives flexibility by providing the option to use either electricity or gas for energy.
  • Heat pump: Heat pumps exchange warm and cool air between your home and the outdoors. They don't make their own heating and cooling, so they work more efficiently in more mild climates.
  • Packaged heating and air: Packaged HVAC systems are a smart choice for smaller homes. They have a single cooling and heating unit, usually in an attic or basement. This unit is often compact, energy-efficient, and easy to maintain.

HVAC expenses vary based on the work needed. HVAC systems are complex and may need multiple types of maintenance. Costs for common jobs are as follows:

HVAC Unit TypeCost
Split$1,927-$4,913
Hybrid Split$3,905-$7,194
Heat Pump$3,024-$30,809
Packaged Heating and Air$253-$422

Ways to Save Money on HVAC Costs

It's important to fix or swap out your HVAC components when they become damaged, but it can also be expensive. Luckily, there are some steps you can take to slow the wear and tear on your system.

  • Change the position of your blinds seasonally. During winter, leaving your blinds open allows your home to benefit from passive solar heating. In the summer, keeping your blinds shut helps to block out heat. Doing both helps minimize the amount of work your HVAC system is required to do.
  • Monitor for potential problems. Monitoring your system for problems — for example, by checking your thermostat and energy bills regularly — helps you get ahead of problems before they get too expensive.
  • Change filters regularly. Switching out or cleaning your air filters every 30–90 days helps air flow efficiently through your HVAC system. We also recommend regularly clearing dirt and debris away from the outside areas of your system.
  • Keep your system clean. Keeping your grills, indoor evaporator coil, condenser fan blades, and ductwork clean helps your system function optimally and reduces the risk of mold growth. The National Air Duct Cleaners Association recommends that you clean your HVAC system whenever it begins to look dirty.
ServiceCost
Filter Replacement$63-$169
Condensor Cleaning$1,265-$3,795
Thermostat Repair$84-$211
Ductwork Cleaning$405-$1,012

How To Choose a Local HVAC Company

Finding the right HVAC company is crucial for a smooth installation or repair. Hiring an experienced, credentialed HVAC contractor gives you confidence your system can provide reliable heating and air conditioning year-round.

Compare Multiple Bids

Contact at least three HVAC companies for quotes. Describe the issues and have technicians visit to inspect your HVAC system if possible. Compare the companies' explanations, solutions, estimated costs, timeframes, and warranties. Avoid contractors that pressure you or demand payment upfront.

Check Credentials

When selecting an HVAC company, choose one with technicians that have the right training, licenses, and experience. HVAC contractors in all states need to obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is mandatory for all contractors who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." Contractors must pass an exam (the type of exam depends on what kind of equipment they intend to work with) to be certified by the EPA. All other licensing requirements are handled on a state-by-state basis.

HVAC contractors in Iowa are required to be licensed by the Iowa Plumbing and Mechanical Systems Board and registered with the Iowa Division of Labor. Contractors must be both bonded and insured. Licenses are available under the classifications of apprentice, journeyperson, or master; apprentices and journeypersons must be supervised by a licensed master. You should also read reviews and complaints on sites like the Better Business Bureau (BBB), Yelp, and Google Reviews. Pick a company with glowing reviews and testimonials about good customer experiences.

Understand Work Details

Always make sure you know the details of a planned project. For HVAC repairs, your provider should detail which parts need replacement and why. Confirm that your technician will clean and test the system after repairs are done to verify that it’s working properly. When replacing your HVAC, have the contractor explain the new features, brand, energy efficiency, estimated installation time, and model. Before signing paperwork, be sure you understand the process your provider will use to size the new HVAC system appropriately for your home and what the price will be.

Compare Warranties

Good HVAC companies offer warranties on repairs and installations. The more complete the coverage, the better. Review warranty details between providers and pick the one that offers the best protection within your budget.

Get Quote in Writing

Get a written quote before HVAC work starts. A comprehensive quote includes both materials and labor costs. Make sure you understand and accept all terms before signing the contract.

Frequently Asked Questions About HVAC in Johnston, IA

You should have your HVAC system inspected twice annually. Following an inspection, your technician will tell you what services are needed. You should also call a technician if you notice new issues such as strange noises, unusual smells, or leaks. If your system has ductwork, it should be inspected every few years.

Normally, it's a good idea to schedule inspections in the spring and fall, as technicians tend to be less busy at these times. This also helps make sure your system is prepared for the summer and winter, when it probably sees the most use.

You can save energy throughout the year by reducing the amount of power your HVAC system uses to maintain your home's temperature. During all seasons, keep your thermostat as close to the outside temperature as is comfortable, and try to adjust it only a few degrees at a time. You might also consider purchasing a smart thermostat.

Generally, HVAC installation or replacement takes between one and three days for the entire system. Installing or replacing a furnace or air conditioning unit may take anywhere from a few hours up to two days. The exact amount of time will depend on factors like how large your home is, how easily accessible different parts of the system are, and whether your technician runs into any problems.

For a 2,000-square-foot home, look for a furnace that's between 50,000 and 80,000 BTUs (British thermal units).

For a 2,000-square-foot home, you'll also want to purchase an air conditioning unit with around 2.5 to 5 tons of capacity. Typically, if your home is larger than 1,000 square feet, central air will be more effective than window air conditioning units.

Usually, HVAC financing is provided by a third-party lender. If your HVAC company doesn't offer these options, you might consider taking out your own loan. Be sure to speak with your HVAC company and a financial advisor to find out what options are available to you and appropriate for your situation.

There are several ways you can make your HVAC system more energy-efficient:

  • Keep ductwork clean, and clean or change your air filters regularly.
  • Have regular inspections to take care of issues as they arise.
  • Make sure your doors and windows are well-sealed and keep your attic well-ventilated.
  • Install a smart thermostat. If you don't want to or can't buy one, try keeping the temperature indoors as close to the outside temperature as is comfortable.
  • When it comes time to replace any part of your HVAC system, see if there are Energy Star-certified or other environmentally friendly options.

Other Johnston, IA Home Services

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