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Last Updated: February 25, 2025
If you're like the average American, over half of your energy bill (55%, according to the U.S. Department of Energy) goes toward heating and cooling. It's important to make sure the temperature control systems in your Pleasant Hill home are functioning optimally, so that you don't spend more than necessary.
We've researched and assembled this guide to the top HVAC companies in Pleasant Hill to help you hire the best person for your job and get your system into top shape.

Our Rating
User Rating
Reliable customer support
Free quotes
Informative resources
Prompt service delivery
Clear pricing policy
Services Offered

Our Rating
User Rating
Free quotes
Clear pricing policy
Services Offered

Our Rating
User Rating
Informative resources
Reliable customer support
Prompt service delivery
Free quotes
Clear pricing policy
Services Offered

Our Rating
User Rating
Reliable customer support
Clear pricing policy
Prompt service delivery
Informative resources
Free quotes
Services Offered

Our Rating
User Rating
Free quotes
Reliable customer support
Services Offered

Our Rating
User Rating
Informative resources
Reliable customer support
Clear pricing policy
Services Offered

Our Rating
User Rating
Free quotes
Reliable customer support
Prompt service delivery
Clear pricing policy
Services Offered

Our Rating
User Rating
Free quotes
Informative resources
Clear pricing policy
Reliable customer support
Services Offered

Our Rating
User Rating
Clear pricing policy
Informative resources
Prompt service delivery
Reliable customer support
Services Offered

Our Rating
User Rating
Informative resources
Reliable customer support
Free quotes
Clear pricing policy
Services Offered
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:
If your home's HVAC system is malfunctioning or getting old, you may need to hire an HVAC contractor for maintenance or replacement. Watch for these common signs that your system needs expert attention:
If you notice any of these HVAC red flags, your system evaluated. A local provider can complete an inspection, diagnose problems, and advise you whether you should repair or replace your HVAC unit.
What you spend on HVAC installation or maintenance is determined by your system style. Common HVAC unit styles include the following:
HVAC maintenance costs vary based on the specific services required. HVAC systems can be complex and potentially require several different services. Fees for typical jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,927-$4,913 | |
| Hybrid Split | $3,905-$7,194 | |
| Heat Pump | $3,024-$30,809 | |
| Packaged Heating and Air | $253-$422 |
Repairing or replacing your HVAC system when needed is crucial, but can be expensive. Luckily, there are actions you can take to slow the wear and tear on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $63-$169 | |
| Condensor Cleaning | $1,265-$3,795 | |
| Thermostat Repair | $84-$211 | |
| Ductwork Cleaning | $405-$1,012 |
It's important to know what makes a good HVAC company. Working with a contractor that's properly licensed and highly experienced will give you confidence that they can fix your system, providing you with effective air conditioning and heating in your home.
Contact at least three HVAC providers for quotes. Explain your issues and schedule an in-person inspection if possible. Compare providers' diagnoses, suggested repairs, estimated costs, timeframes, and warranties. Avoid companies that pressure you or demand upfront payment.
It's important to choose an HVAC company that employs technicians with the appropriate qualifications and expertise. HVAC contractors in all states have federal requirements set by the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, a contractor must pass an exam (the type of exam depends on the kind of equipment they plan to work with). Section 608 certification is required for all technicians who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." All other licensing requirements are handled on a state-by-state basis.
Missouri doesn't have state-level licensing requirements for HVAC contractors; however, most municipalities have local requirements. Make sure that you check with your local government to understand requirements for licenses such as HVAC Contractor or HVAC Journeyman Contractor. You can also check that a company holds a valid business license. You should also check a company's reviews and complaints with organizations such as Google Reviews, Yelp, and the Better Business Bureau (BBB). Choose a provider with glowing reviews and stories of positive service experiences.
Always make sure you know the details of your project. When HVAC repairs are required, your provider should specify which parts require replacement and why. Confirm that your technician will clean and test the full system after repairs are finished to ensure that it’s working properly. When replacing your HVAC, request that the installation company describe the new model, brand, features, energy efficiency, and estimated installation time. Before signing a contract, ask about the process your provider will use to properly size the new system for your home and how much it will cost.
A trustworthy HVAC company will stand behind its repair work and equipment installations with a warranty. The longer and more comprehensive the coverage terms, the better. Carefully review warranty terms for each contractor and choose the provider that offers the best protection at a reasonable price.
Get a written quote before HVAC work begins. A comprehensive quote includes both labor and material costs. Make sure you understand and agree to all terms before signing the contract.
You should have your HVAC system inspected approximately twice annually. At the time of the inspection, your technician will inform you if any services are required. You should also have your system inspected if you notice new issues such as unusual smells, strange noises, or leaks. If your system has ductwork, it should be inspected every few years.
Usually, you should have your HVAC system inspected in the spring and fall, as technicians tend to be less busy at these times. This also helps get your system ready for the summer and winter, when it likely sees the most use.
You can save energy throughout the year by reducing the amount of power your HVAC system uses to maintain the temperature of your home. Always keep your thermostat as close to the outside temperature as possible, and avoid making drastic changes — adjust it only a few degrees at a time. You could also consider getting a smart thermostat.
For a 2,000-square-foot home, you'll need between 2.5 and 5 tons of air conditioning capacity. For a house over 1,000 square feet, central air will usually be more effective than window units for cooling.
For a 2,000-square-foot home, you'll also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units).
Normally, HVAC financing is offered through a third-party lender. If your HVAC company doesn't offer financing, you might consider taking out a loan on your own. Be sure to speak with your HVAC company and a financial advisor to determine what options are available and appropriate for your situation.
There are several ways you can make your HVAC system more energy-efficient:
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