Emergency HVAC San Marcos

Frequently Asked Questions About Emergency HVAC Services

What is a heat exchanger, and why is it important?

A heat exchanger transfers heat from the burned fuel to the air that circulates throughout your home. It prevents dangerous gases from mixing with the heated air, ensuring that only heated air is distributed. Regular inspection of your heat exchanger is vital for preventing CO leaks. Annual furnace maintenance is crucial for checking the condition of the heat exchanger and ensuring safe operation.

How can I prevent frozen pipes in the winter?

Frozen pipes are a common HVAC emergency in cold climates. Prevent them by:

• Insulate Pipes: Insulate exposed pipes in unheated areas, such as crawl spaces, attics, and garages.
• Seal Air Leaks: Seal air leaks and cracks in walls and foundations near pipes.
• Keep Thermostat Consistent: Maintain a consistent thermostat setting, even when you are away, to keep indoor temperatures above freezing.
• Open Cabinet Doors: Open cabinet doors under sinks to help prevent pipes from freezing.
• Let Faucets Drip: During extremely cold weather, allow cold water taps to drip slightly to keep water moving and prevent freezing.

{If you suspect a frozen pipe, turn off the water supply and contact a plumber.. | Never attempt to thaw a frozen pipe with an open flame, as this could cause a fire.

What should I do while waiting for an emergency HVAC technician?

While waiting for an emergency HVAC technician:

• Safety First: If you suspect a gas leak or any electrical hazard, evacuate your home or building immediately and contact your utility company or emergency services.
• Turn Off Your System: Turn off your HVAC system at the thermostat to prevent further damage.
• Document the Issue: If possible, take photos or videos of the problem to show the technician.
• Gather Information: Have your HVAC system's model and serial number readily available, along with any warranty information.
• Clear Access: Ensure clear access to your HVAC system for the technician.
• Prepare Questions: Write down any questions you want to ask the technician.

How do I know if I have a gas leak?

Gas leaks are dangerous and hazardous. Signs of a gas leak can include:

• A rotten egg smell odor
• Hissing or whistling sounds near gas lines or appliances
• Blowing dirt or bubbles in standing water
• Dead or discolored vegetation near gas lines
• Physical symptoms like dizziness, nausea, or headaches

If you suspect a gas leak, immediately leave your home or building and call your local utility provider or 911 from a safe location. Avoid any open flames or sparks.