10 Best HVAC Companies in Los Osos, CA

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Last Updated: February 25, 2025

On average, Americans devote 55% of their energy usage to heating and cooling their home, according to the U.S. Department of Energy. It's important that the temperature control systems in your Los Osos home are functioning optimally, so that you don't spend more than necessary.

We've compiled this guide to the top HVAC companies in Los Osos to help you choose the right person for your job and get your system into its best shape ever.

Top 10 Best HVAC Companies in Los Osos

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Straight Line Heating and Cooling

Straight Line Heating and Cooling Logo

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User Rating

2101 Vanderlip Ct, Paso Robles, CA 93446 (805) 286-8800 straightlineheatingandcooling.com

Free quote

Clear pricing policy

Informative resources

Reliable customer support

Services Offered

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

Accurate Heating & Air Conditioning

Accurate Heating & Air Conditioning Logo

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811 E Chestnut Ave, Lompoc, CA 93436 (805) 743-3403 accurateheat-ac.com

Clear pricing policy

Free quotes

Prompt service delivery

Services Offered

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

Monarch Home Services (San Luis Obispo)

Monarch Home Services (San Luis Obispo) Logo

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1140 Kendall Rd Suite C, San Luis Obispo, CA 93401 (844) 700-7272 monarchhomeexperts.com

Free quotes

Informative resources

Reliable customer support

Clear pricing policy

Services Offered

Furnace installation
Ac installation
Ac repair
Maintenance
Indoor air quality
Filtration
Duct cleaning

Pacific Heating & Sheet Metal

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User Rating

1600 Main St, Morro Bay, CA 93442 (805) 254-7619 pacificheat.net

Informative resources

Clear pricing policy

Reliable customer support

Services Offered

Maintenance
Ac repair
Filtration
Furnace installation
Ventilation
Indoor air quality
Ac installation
Ductless

Air Rite

Air Rite Logo

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User Rating

5001 Traffic Way, Atascadero, CA 93422 (805) 461-3303 airriteservices.com

Clear pricing policy

Informative resources

Reliable customer support

Services Offered

Maintenance
Ventilation
Ac repair
Indoor air quality
Furnace installation
Ductless
Ac installation
Furnace repair

Ferguson HVAC Supply

Ferguson HVAC Supply Logo

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User Rating

3550 La Cruz Way, Paso Robles, CA 93446 (805) 434-3114 ferguson.com

Clear pricing policy

Free quotes

Informative resources

Reliable customer support

Services Offered

Maintenance
Filtration
Furnace installation
Ductless
Ventilation
Smart home integration
Ac repair
Indoor air quality

Goose Mechanical Systems Inc

Goose Mechanical Systems Inc Logo

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User Rating

1244 Pine St SUITE 203, Paso Robles, CA 93446 (805) 635-5488 goosemechanicalsystems.com

Free quotes

Reliable customer support

Clear pricing policy

Services Offered

Boiler installation
Indoor air quality
Ac installation
Inspection
Furnace installation
Ac repair
Maintenance
Duct cleaning

Regan Air - Air Conditioning & Heating

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User Rating

935 Riverside Ave Suite 8, Paso Robles, CA 93446 (805) 806-5667 reganair.com

Prompt service delivery

Reliable customer support

Clear pricing policy

Services Offered

Ac installation
Indoor air quality
Furnace installation
Inspection
Maintenance
Ac repair

SLOCO Heating & Cooling, Inc.

SLOCO Heating & Cooling, Inc. Logo

Our Rating

User Rating

540 Atascadero Rd, Morro Bay, CA 93442 (805) 772-4433 slocoheatingandcooling.com

Free quotes

Reliable customer support

Informative resources

Services Offered

Maintenance
Ventilation
Furnace installation
Ac installation
Ductless
Duct cleaning
Indoor air quality

Cal-Coast Refrigeration Inc

Cal-Coast Refrigeration Inc Logo

Our Rating

User Rating

2363 Thompson Way # D, Santa Maria, CA 93455 (805) 928-1778 calcoastrefrigeration.com

Free quotes

Reliable customer support

Clear pricing policy

Services Offered

Maintenance
Ac repair
Indoor air quality
Ductless
Furnace installation
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

A faulty or aging HVAC system probably needs attention from a professional who can make repairs or install a new unit. Keep an eye out for these common indicators that your HVAC needs service:

  • Refrigerant leaks
  • Thermostat malfunctions or temperature control issues
  • Poor air circulation or uneven heating/cooling
  • Rust, corrosion, or cracking
  • Higher than normal energy bills
  • Frequent breakdowns and need for repairs
  • Odd noises when turning on
  • An HVAC system that's over 15 years old

If you notice any of the above, have a local HVAC technician inspect your system. They can identify problems and determine whether repair or full HVAC replacement is required.

Cost of HVAC Installation and Maintenance in Los Osos

What you pay for HVAC installation or maintenance varies based on your system type. Common HVAC unit styles include the following:

  • Split or mini-split: If your home doesn't have the right ductwork for central air or heating, you likely have a split HVAC system. Split or mini-split systems consist of interior units that regulate the temperature in individual rooms, and that are all connected to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system performs similarly to a standard split system, but has the capacity to draw on either electricity or gas as energy sources.
  • Heat pump: Heat pumps exchange hot and cold 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 and may not be as effective during Los Osos' hot summers.
  • Packaged heating and air: Packaged HVAC systems are often a good option for smaller houses. Packaged systems consist of a single combined heating and cooling unit that's normally located in a basement or attic. This unit tends to be compact, efficient, and easy to maintain.

HVAC maintenance costs differ depending on what services are needed. HVAC systems are complicated and may require different kinds of maintenance. Costs for common services are as follows:

HVAC Unit TypeCost
Split$1,895-$4,830
Hybrid Split$3,839-$7,073
Heat Pump$2,973-$30,290
Packaged Heating and Air$249-$415

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 steps you can take to reduce wear and tear on your HVAC.

  • Change filters regularly. Replacing 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.
  • Monitor for potential problems. Monitoring your system for problems — for example, by checking your thermostat and energy bills routinely — helps you catch issues before they get too expensive.
  • Change the position of your blinds seasonally. Keeping your blinds open in the winter helps you take advantage of passive solar heating. Keeping them closed in the summer helps keep some of this heat out. Both of these measures help reduce the strain on your HVAC system.
ServiceCost
Filter Replacement$62-$166
Condensor Cleaning$1,244-$3,731
Thermostat Repair$83-$207
Ductwork Cleaning$398-$995

How To Choose a Local HVAC Company

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

Compare Multiple Bids

Request estimates from three or more HVAC providers. Explain your issues and ask if technicians can inspect your system in person. Review each provider's diagnoses, recommended solutions, estimated cost, warranties, and timeline. Avoid companies that pressure you or demand payment before work.

Check Credentials

Look for an HVAC company that employs skilled technicians with the necessary licensure and training. HVAC contractors in all states must obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is required for all technicians 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 the type 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 California must be licensed by the Department of Consumer Affairs Contractors State License Board (CSLB). The CSLB considers HVAC contractors to be specialty contractors. All contractors are required to have four years of experience and to be bonded. Contractors with employees must also meet insurance requirements. You should also check a company's reviews and complaints with organizations such as the Better Business Bureau (BBB), Google Reviews, and Yelp. Look for a a provider with glowing reviews and stories of positive service experiences.

Understand Work Details

Always make sure you understand the details of a planned project. For HVAC repairs, your provider should specify which parts need replacement and why. Confirm that your technician will clean and test your system after repairs are completed to verify that it’s working properly. When replacing your HVAC, have the provider describe the new features, brand, energy efficiency, model, and estimated installation time. Before work starts, ask how your provider plans to accurately size the unit for your home and how much it will cost.

Compare Warranties

Good HVAC companies offer warranties on service and equipment installations. The more complete the coverage, the better. Compare warranty details between companies and pick the one that offers the best protection for the fairest price.

Get Quote in Writing

Always get HVAC bids in writing before work begins. A thorough quote will cover costs for both labor and materials. Ensure that you understand all terms before signing the contract.

Frequently Asked Questions About HVAC in Los Osos, CA

Typically, your HVAC system should be inspected twice a year. After an inspection, your HVAC technician will tell you what, if any, services are needed. You should also have your system inspected and serviced if you start to notice any issues, like leaks, strange noises, or unusual smells. If you have ductwork in your home, it should be serviced every few years.

The best times to have your HVAC system inspected are during the spring and fall. Technicians are generally less busy during these times, which makes it easier to get an appointment. This also helps get your system ready for the summer and winter, when it typically gets the most use.

You can save energy during the summer by making it easier for your HVAC system to keep your home cool. Keep your thermostat temperature as close to the outside temperature as you comfortably can, and try to avoid making drastic changes in temperature all at once. Keep your roof well-maintained and seal any door or window leaks to help keep cool air in. Similarly, ensure that your attic is well ventilated to avoid trapping excess heat in your home.

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

For a 2,000-square-foot home, you'll want a furnace that's between 50,000 and 80,000 BTUs (British thermal units). In Los Osos, you may be able to make do with a furnace on the lower end of this range.

For a 2,000-square-foot home, you'll also want an air conditioning unit with between 2.5 and 5 tons of capacity. In Los Osos, you'll likely want a unit on the higher end of this range. In general, if your home is larger than 1,000 square feet, central air will be more effective than window air conditioning units.

Typically, HVAC financing is offered through a third-party lender. If your HVAC company doesn't offer financing, you may consider taking out your own loan. Be sure to speak with your HVAC company and a financial advisor to determine 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 change or clean your air filters on a regular basis.
  • 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 to keep the temperature indoors as close to the outside temperature as is comfortable.
  • When it comes time to replace any part of your system, explore Energy Star-certified or similar environmentally friendly options.

Other Los Osos, CA Home Services

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