HVAC Heating Ventilation Air Conditioning and Cooling

HVAC heating ventilation air conditioningHVAC is an abbreviation for heating, ventilation and air conditioning. HVAC contractors and technicians specialize in the installation and maintenance of furnaces, electric heaters, boilers, heat pumps, central air conditioners, air filtration systems, ventilators, and humidifiers and in assisting customers in making decisions to improve and repair their HVAC systems. heating ventilation air conditioning hvacSometimes it is abbreviated HVACR which adds refrigeration into the mix.

HVAC is important in the design of buildings and other structures. It regulates temperature and humidity, as well HVACR heating ventilation air conditioning refrigerationas bringing in fresh air from an outdoor source. It is based on the principles of thermodynamics, fluid mechanics, and heat transfer.

HVACR - Refrigeration is sometimes added to the field's abbreviation as HVACR.


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Take the guesswork out of shopping for high quality air conditioning and heating parts for your home or office. We offer only top quality parts that the professionals are using. Let our 40+ years in the air conditioning, heating, ventilation and refrigeration industry work for you.


Click here for 10 Reasons to choose Ra Jac as your Air Conditioning and Heating Company for Repair and Installation Service.

Ra-Jac Air Conditioning & Heating has proudly served Galveston County TX since 1966. We pride ourselves on providing top notch service on residential and commercial air conditioning, heating, and refrigeration in the Southern Texas area.


We offer prompt and courteous service on air conditioning, heating, and refrigeration equipment.

Algoa / Arcadia / Bacliff / Bayou Vista / Clear Lake City / Clear Lake Shores / Dickinson / El Lago / Friendswood / Galveston / Hitchcock / Kemah / La Marque / League City / Nasa Area / Nassau Bay / San Leon / Santa Fe / Seabrook / Taylor Lake Village / Texas City / Tiki Island / Webster


Rajac airconditioning heating refrigeration