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Last Updated: February 25, 2025
On average, 55% of the energy used in American homes is for heating and cooling, according to the Department of Energy. In Lochearn, you're likely looking to reduce your energy expenses and save money on your bills.
We've put together this guide to the top HVAC companies in Lochearn to help you find the right person for your job and get your system into top shape.

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

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

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

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

Our Rating
User Rating
Informative resources
Clear pricing policy
Services Offered

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

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

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

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

Our Rating
User Rating
Reliable customer support
Clear pricing policy
Prompt service delivery
Informative resources
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 might need an HVAC contractor for maintenance or replacement. Watch for these common signs that your system needs professional attention:
These HVAC red flags indicate that you should have your system evaluated. A local company can complete an inspection, identify problems, and advise you whether you should repair or replace your HVAC unit.
The cost of HVAC installation or maintenance will differ depending on the type of unit you have. Common types of HVAC units include the following:
HVAC expenses vary based on the work needed. HVAC systems are complicated and may need a number of types of maintenance. Prices for common jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $2,503-$6,380 | |
| Hybrid Split | $5,071-$9,343 | |
| Heat Pump | $3,927-$40,010 | |
| Packaged Heating and Air | $329-$548 |
Fixing your HVAC by repairing or replacing parts when needed is important, but can be costly. Thankfully, there are actions you can take to minimize wear and tear over time on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $82-$219 | |
| Condensor Cleaning | $1,643-$4,929 | |
| Thermostat Repair | $110-$274 | |
| Ductwork Cleaning | $526-$1,314 |
Knowing the indicators of a reliable HVAC company is key for a smooth installation or repair. Picking an established business with certified technicians gives you assurance your HVAC system will deliver consistent coolig and heating year-round.
Contact at least three HVAC providers for quotes. Explain the issues and have specialists 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.
It's important to choose an HVAC company that employs technicians with the proper qualifications and expertise. HVAC contractors in all states have federal requirements from the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, an individual must pass an exam (the specific 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 by the state.
In Maryland, HVAC contractors are licensed by the Maryland Board of Heating, Ventilation, Air Conditioning and Refrigeration Contractors. To obtain a master or master restricted license, a contractor is required to have at least three years of experience and must hold both general liability and property damage insurance. Reviewing feedback on the Better Business Bureau (BBB), Yelp, Google Reviews, and similar sites can assist your decision. Choose a company with stellar reviews and stories of positive customer experiences.
It’s important to know what the work process will look like. For HVAC repairs, the company should list the exact parts that need replacement and why. Confirm that your technician will clean and test your system afterward to ensure proper functioning. When replacing your HVAC, ask the installation company to provide details on the new brand, energy efficiency, model, features, and estimated installation time. Before signing a contract, make sure you understand the process your provider will use to select the correctly sized system for your home and what the cost will be.
Trustworthy HVAC companies stand behind their services with warranties. Look at warranties from different companies, while remembering that broader coverage is better. Look for the company that provides the most coverage for a reasonable price.
Get a written quote before HVAC work starts. A full quote includes both labor and material costs. Make sure you understand and agree to all terms before signing the contract.
Normally, you should have your HVAC system inspected twice a year. After an inspection, your technician will tell you what services are required. You should also have an inspection if you notice any new issues, like leaks, unusual smells, or strange noises. If you have ductwork in your home, it should be serviced every few years.
The best times of the year to have your HVAC system inspected are during the spring and fall. Technicians are often less busy during these times, so it will be easier to get an appointment. This also ensures that your system is ready for the summer and winter, when it typically gets 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 you can, and try to adjust it only a few degrees at once. You may also consider a smart thermostat.
Generally, HVAC installation or replacement takes one to three days for the entire system. Installing or replacing a furnace or air conditioning unit takes anywhere from about half a day up to two days. The exact amount of time will be based on factors like the size of your home, how easily accessible different sections are, and whether your technician discovers any problems.
For a 2,000-square-foot home, you should 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 an air conditioning unit with around 2.5 to 5 tons of capacity. In general, if your home is larger than 1,000 square feet, central air will be more effective than window air conditioning units.
Your HVAC company might offer financing options via a third-party lender, or you might choose to obtain your own loan. It's smart to discuss payment options with a financial advisor and your HVAC company to make sure that you find the best option for you.
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