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Marvin's Heating & Air Conditioning

HVAC System Services in San Marcos, TX

Marvin’s Heating & Air Conditioning has been providing superior HVAC services to clients across the state of Texas since 1982. Located in San Marcos, we serve a variety of surrounding towns and cities including New Braunfels, Canyon Lake, Fischer, Kyle, Wimberley, Martindale, Buda, and beyond. We offer both residential and commercial customers unmatched care on their heating and air conditioning systems, including new installation work, repairs, maintenance, and everything in between.


As an authorized York CCE Dealer, we can give our clients the best quality products on the market today with special pricing and incentives as well. While we specialize in York products, we have the skills needed to work on every make and model HVAC unit on the market today too.

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More about our HVAC brand and services

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Discounts for our customers

Here at Marvin’s Heating & Air Conditioning, we strive to provide competitive pricing by never charging trip fees, diagnostic fees, or service call fees. We also charge a flat rate per hour plus parts to reduce costs.


On top of this everyday great pricing, we also offer these unique specials:

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HVAC FAQ

There's a lot to think about when buying a heat pump, gas furnace, or central air conditioning system. That's because next to your home itself, a home comfort system is one of your largest investments. Here are answers to ten common questions to help you make an intelligent HVAC choice.

  • Should I repair or replace my existing system?

    As a rule of thumb, replace your existing home comfort system when repairs cost 30% of a new purchase or when utility bills have increased 50% as a result of older, less efficient systems using more, higher-priced electricity.

  • How much can I save with new equipment?

    Air conditioning and heating equipment consume about 44% of a home's energy bill. Today's ENERGY STAR qualified systems are as much as 60% more efficient than 10-year-old equipment.

  • Is installing a central HVAC system really necessary?

    In new homes or remodels, a central home comfort system is the best solution for overall comfort and superior indoor air quality and humidity control.

  • What is the best thermostat to use with my system?

    Look for a programmable thermostat for accurate, reliable, energy-saving performance. For added savings and convenience, our Residential Communicating Control with Wi-Fi support works with mobile devices to easily program your system wherever you are.

  • How can I be sure I'm selecting the right contractor?

    Seek out a contractor who is associated with a recognized brand. If they are backed by the product and training resources of a major manufacturer, you will feel confident that you're getting the home comfort system that best meets your needs.

  • How do I select the right heating/cooling system?

    Get solid advice from an expert. The right contractor can perform a load calculation or an energy analysis to determine your operating costs. After getting to know your needs, he can customize a system just for you.

  • If I have an existing system, can any of the components be reused?

    Every system is different. After a thorough inspection of your electrical system, ductwork, and other components, your contractor will provide a rundown of what you need to replace and what you can keep.

  • How complicated is a new system installation?

    That depends on the house and the system. While air conditioners and gas furnaces require different components, the common denominator is ductwork, which must be properly sized and zoned for proper system performance. Your contractor can evaluate your existing setup and tell you how simple your installation will be.

  • What does the air handler do for my system?

    An air handler circulates conditioned air throughout your home. You can combine it with accessories to filter, humidify, or dehumidify the air stream as needed.

  • What can I do to improve indoor air quality?

    Indoor air can be from 5 to 100 times more polluted than outdoor air. Adding humidifiers, dehumidifiers, ventilation systems, UV lights, and air filter technologies can dramatically improve your indoor air quality.

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Call us to set up an HVAC appointment.

(512) 396-4791

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