Your Trusted Local HVAC Partner

Mannix Heating & Cooling proudly serves homeowners throughout Montgomery Village, Gaithersburg, Rockville, and Olney in Maryland, as well as Chantilly, Centreville, and Dulles in Virginia. Our commitment to exceptional service and expertise makes us the go-to choice for all your HVAC needs.

Smart HVAC Maintenance Tips

• Schedule bi-annual maintenance checks (spring and fall)
• Replace air filters every 1-3 months
• Keep outdoor units clear of debris and vegetation
• Monitor unusual sounds or odors
• Check thermostat calibration regularly

Energy-Saving Strategies

Maximize your HVAC system’s efficiency with these proven techniques:

• Install a programmable thermostat
• Seal ductwork to prevent air leaks
• Add proper insulation to your home
• Keep vents unobstructed by furniture
• Consider regular professional tune-ups

When to Call Professionals

Contact Mannix Heating & Cooling when you experience:

• Inconsistent heating or cooling
• Unusual system noises
• Higher than normal utility bills
• Poor indoor air quality
• System failure or emergency repairs

Remember that investing in regular maintenance can prevent costly repairs and extend your system’s lifespan. Trust our experienced technicians to keep your home comfortable throughout every season.