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Why Is Your HVAC Unit Blowing Hot Air?

Monday, July 01, 2024

Primary Blog/HVAC/Why Is Your HVAC Unit Blowing Hot Air?

There are several reasons why your HVAC system might be blowing hot air. Some issues are simple fixes, while others may require professional intervention.

Incorrect Thermostat Setting
One of the most common reasons is an incorrect thermostat setting. It’s easy to accidentally set it to 'heat' instead of 'cool'.

Check the Thermostat Mode

Adjust the Temperature Settings

Replace Batteries if Necessary

Dirty Air Filters
A dirty air filter can restrict airflow, causing the system to freeze.

Locate the Air Filter

Inspect and Replace if Dirty

Set a Regular Schedule for Replacement (every 30 days)

Refrigerant Levels
Low refrigerant levels can also cause your system to blow hot air. This usually indicates a leak in the system.

Check Refrigerant Levels

Look for Signs of Leaks

Contact a Professional for Recharging and Repair

DIY Fixes That Homeowners Can Try
Before calling in the professionals, there are several DIY fixes you can try. These simple steps can often resolve the issue without the need for costly repairs.

Resetting the System
Sometimes, a simple reset can solve the problem.

Turn Off the HVAC System

Wait for a Few Minutes

Turn It Back On

Cleaning the Outdoor Unit
Debris and dirt can accumulate around the outdoor unit, affecting its performance.

Turn Off the Power

Clean Around the Unit

Remove Any Visible Debris

Checking the Vents
Blocked or closed vents can restrict airflow, causing the system to blow hot air.

Inspect All Vents

Ensure They Are Open

Remove Any Obstacles

When to Call a Professional
While DIY fixes can be effective, some issues require professional expertise. Knowing when to call a technician can save you from further complications.

Persistent Problems
If the problem persists after trying DIY fixes, it’s time to call a professional.

Describe the Issue Clearly

Ask for a Detailed Inspection

Discuss Repair Options

Complex Issues
Some issues, like electrical problems or major component failures, should always be handled by professionals.

Avoid DIY Electrical Work

Seek Professional Diagnosis

Get a Second Opinion if Necessary

Regular Maintenance
Regular maintenance by a professional can prevent many common issues.

Schedule Annual Inspections

Follow Maintenance Recommendations

Keep a Record of Service History

Preventing Future Issues
Prevention is always better than cure. Taking steps to maintain your HVAC system can prevent future problems and extend its lifespan.

Regular Maintenance
Consistent maintenance is key to preventing issues.

Schedule Regular Check-Ups

Replace Filters Frequently (every 30 days)

Clean Components Regularly

Energy-Efficient Practices
Adopting energy-efficient practices can reduce strain on your HVAC system.

Use Fans to Distribute Air

Seal Windows and Doors

Adjust Thermostat Settings Seasonally

Upgrading Your System
Sometimes, an upgrade is the best solution, especially for older systems.

Evaluate System Age

Consider Energy-Efficient Models

Consult with a Professional

The Importance of Timely Action
Taking timely action can save you from bigger problems down the line. Addressing issues as soon as they arise can prevent them from escalating.

Immediate Benefits
Immediate action can restore comfort quickly.

Improved Comfort

Reduced Energy Bills

Extended System Lifespan

Long-Term Savings
Long-term savings are a significant benefit of timely action.

Fewer Major Repairs

Lower Utility Costs

Increased Property Value

Peace of Mind
Knowing your system is in good working order provides peace of mind.

Reliable Performance

Consistent Comfort

Reduced Stress

Having your HVAC unit blow hot air can be a frustrating experience, but it’s often a problem with straightforward solutions. By understanding the basics of your HVAC system, trying some DIY fixes, and knowing when to call a professional, you can resolve the issue and prevent future problems. Regular maintenance and adopting energy-efficient practices can also help keep your system running smoothly.

​For specific advice and help, consider scheduling a service appointment with a trusted HVAC technician. Ensuring your system is in top condition will keep your home comfortable year-round. Don't wait—take action today to enjoy the full benefits of a properly functioning HVAC system.

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Hi, I'm Derek Cole

GM, Simmons One Hour Heating and Air

With a career spanning over two decades in the HVAC industry, Derek Cole has climbed his way to becoming General Manager of Simmons One Hour. His impressive journey was recognized by News magazine who awarded him Top 40 under 40 honors, as well as Entrepreneur Magazine's Franchise Player Spotlight feature. Notable networks such as CBS, FOX and NBC have also featured him discussing home comfort tips on their programs while publications like Huffington Post and Bloomberg Business highlight his success story with One Hour Heating & Air Conditioning® .

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