O'Brien's HVAC LLC

No ratings collected yet Sebastian, Florida

114 AMHERST LANE, Sebastian, FL 32958, USA

License checked License #CAC1815063 20 yrs experience

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When the air conditioner quits in the middle of a Sebastian summer, homeowners want someone who can arrive quickly, diagnose the problem clearly, and explain the options without pressure. That is the kind of local HVAC help O'Brien's HVAC LLC aims to provide. The company serves residential customers in Sebastian, Florida, and holds Florida state contractor license #CAC1815063, which has been active since 2006, giving the business more than 20 years in the trade.

Local market — Sebastian

HVAC pros here

Have a website

29%

Cooling demand

3,404

Heating demand

455

Cooling/heating demand = annual degree days (NOAA). Electricity = state residential average (EIA).

Services Offered

AC Services in Sebastian Heating Services in Sebastian Ductwork Services in Sebastian Heat Pumps in Sebastian Furnace Services in Sebastian Thermostat Services in Sebastian Emergency HVAC in Sebastian Maintenance & Tune-up in Sebastian

Service Area

Sebastian, Florida All of Florida

Location

About O'Brien's HVAC LLC

The work covers a broad range of heating and cooling needs. AC Services include inspection, repair, and replacement of cooling systems, while Heating Services and Furnace Services address heat output and combustion equipment. Heat pumps, which are common in Florida homes, are also serviced. Ductwork Services check for leaks, poor airflow, and blocked returns that waste energy. Thermostat Services cover installation and programming, and Emergency HVAC handles urgent breakdowns. Maintenance and tune-up visits keep equipment running efficiently between seasons.

Because Sebastian's humid climate places steady demand on cooling systems, regular service matters here. Local technicians understand how salt air, heavy rain, and long cooling seasons affect equipment, which helps them recommend practical fixes rather than unnecessary upgrades.

If you are comparing local HVAC pros, look for clear written estimates, verified licensing, and straightforward answers to your questions. HVAC Service Fast can help you find and compare listed contractors in the Sebastian area.

Frequently Asked Questions

What services does O'Brien's HVAC LLC offer?

O'Brien's HVAC LLC offers AC Services, Heating Services, Ductwork Services, Heat Pumps, Furnace Services, Thermostat Services, Emergency HVAC, and Maintenance & Tune-up.

What areas does O'Brien's HVAC LLC serve?

O'Brien's HVAC LLC serves the Sebastian area in Florida. Homeowners there can contact the company for heating and cooling needs.

How do I choose a licensed, insured HVAC contractor in Sebastian?

Ask for the contractor's state license number and verify it through the Florida contractor registry. Also request proof of insurance and written estimates before work begins.

What should I check before hiring an HVAC pro?

Confirm the license is current, read recent customer reviews, and ask whether the price includes parts, labor, and warranty coverage. Get at least two written quotes to compare.

What are signs it is time to call an HVAC professional?

Call a professional if your system runs constantly without cooling or heating, makes grinding or banging noises, produces uneven temperatures, or your energy bills rise without explanation. Unusual odors or water leaks around the unit also warrant prompt service.

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