Expert HVAC and Mini-Split Services

Comprehensive Climate Control

 A to Z Mini Solutions LLC provides a full suite of HVAC services designed to meet the unique needs of Missouri homeowners. From the precision of ductless mini-split installations to the robust power of traditional central air systems, we ensure your indoor environment is perfect year-round. Our certified expertise allows us to diagnose complex issues quickly, recommend energy-saving upgrades, and provide maintenance that extends the life of your equipment. We prioritize long-term reliability over quick fixes.

Exterior of a house with white and brown siding, a green checkmark, and a window.

Our Services

Bright, modern bedroom with large windows, king bed, and soft color palette.

Ductless Mini-Split

Stop wasting energy cooling rooms you aren't using. Our ductless mini-split systems offer whisper-quiet operation and individual temperature control for every room. Perfect for home additions, sunrooms, or older homes where adding ductwork is impossible. We specialize in high-SEER rated units that slash your monthly utility bills while providing the most consistent climate control available today.

Left: furnace in operation. Right: frozen AC unit with gauges.

Heating and Cooling

Whether your air conditioner dies in July or your furnace quits in January, A to Z Mini Solutions LLC is ready to restore your comfort. We provide expert diagnostics, honest repair recommendations, and full system replacements. We work with all major brands to ensure your central air and heating systems operate safely and efficiently, keeping your family protected from the extreme Missouri seasons.

HVAC system in attic with silver ductwork snaking through wooden beams.

Residential Retro Fitting

Retrofitting a modern HVAC system into an existing home requires a master’s touch. We specialize in designing and installing high-performance systems into older structures without compromising their architectural integrity. Whether it’s replacing outdated ductwork or integrating a new heat pump into a 50-year-old home, we ensure your retrofit is energy-efficient, code-compliant, and built to last.

A person uses a multimeter to measure voltage on an outdoor air conditioning unit.

Maintenance

The best way to avoid expensive emergency repairs is through regular, professional maintenance. Our comprehensive multi-point inspections include cleaning coils, checking refrigerant levels, testing safety controls, and lubricating moving parts. A well-maintained system runs more efficiently, lowers your energy bills, and ensures your manufacturer warranty stays valid for years to come.

Interior of a building under construction, showing wooden framing, ductwork, and plywood.

New Construction HVAC

Building a new home in Elmer? Don’t settle for a "one-size-fits-all" HVAC system. We partner with homeowners and builders to design custom heating and cooling layouts that maximize airflow and efficiency. From proper load calculations to the final thermostat installation, we ensure your new construction project is equipped with a system that provides perfect comfort the day you move in.