Comprehensive HVAC Solutions for Your Home and Business

Air conditioning systems have evolved dramatically with the introduction of variable-speed compressors, smart thermostats, and environmentally friendly refrigerants. We service all cooling equipment including central air conditioners, ductless mini-splits, heat pumps, and high-velocity systems designed for homes without traditional ductwork. Our cooling services address common issues like refrigerant leaks, frozen evaporator coils, failed capacitors, and worn contactors that compromise system efficiency.

The EPA’s phase-out of R-22 refrigerant has created challenges for older system maintenance, requiring careful retrofit planning or strategic replacement timing. We help customers navigate these transitions by analyzing repair versus replacement economics, considering factors like SEER ratings, equipment age, and available utility rebates. Modern systems achieving 20+ SEER ratings can reduce cooling costs by forty percent compared to units installed before 2006, making upgrades financially attractive despite initial investment requirements.

Indoor air quality directly impacts respiratory health, sleep quality, and overall wellbeing, particularly in Gaithersburg, MD, Chantilly, VA, Treasure Island, FL and their surrounding areas where seasonal allergens and humidity fluctuations create challenging conditions. We install and service comprehensive air quality systems including:

• HEPA filtration systems capturing particles down to 0.3 microns including viruses, bacteria, and allergen proteins
• UV germicidal lights neutralizing biological contaminants within ductwork and on evaporator coils where moisture promotes microbial growth
• Whole-house humidifiers and dehumidifiers maintaining optimal 30-50% relative humidity levels year-round

Professional air quality assessments identify specific contaminants affecting your environment, whether volatile organic compounds from building materials, combustion byproducts from attached garages, or biological allergens from pets and outdoor sources. We design targeted solutions addressing identified concerns while integrating seamlessly with existing HVAC equipment.

Beyond traditional HVAC services, we provide comprehensive home comfort solutions including electrical services, water heater installation, pool heat pump systems, and standby generator installation. These interconnected systems require coordinated planning to maximize efficiency and reliability. Our Aeroseal duct sealing service addresses the twenty to thirty percent energy loss typical in older ductwork systems, using advanced polymer technology to seal leaks from inside ducts without invasive demolition.

If a problem occurs with your heating or cooling system, don’t panic, call Mannix! Our rapid response capabilities, extensive parts inventory, and manufacturer relationships ensure minimal downtime when equipment failures occur. We maintain strong partnerships with Carrier and Honeywell, providing access to premium equipment lines and extended warranty options that protect your investment while ensuring long-term performance reliability throughout Gaithersburg, MD, Chantilly, VA, Treasure Island, FL and their surrounding areas and surrounding communities. We also service a variety of makes and models including Rheem.