When traditional ductwork isn't an option, ductless mini-splits deliver powerful, zoned comfort. Since 2025, Alphas has been the trusted name for Mesa AC service — specializing in ductless installations that keep homes cool in the brutal summer and comfortable during mild winters. We're a family-owned, 5-star rated, BBB A+ company serving Las Sendas, Dobson Ranch, Red Mountain Ranch, East Mesa, and Downtown. We handle everything from load calculation to final startup. Free estimates, premium equipment, and a commitment to quality that sets us apart.
Whether you need to cool a garage conversion, a home addition, a sunroom, or an entire house without ducts, we've got the solution. We also offer emergency AC repair and AC tune-up for all systems — including ductless.
Serving all of Mesa, Gilbert, Chandler, Scottsdale, and Tempe.
For a full range of our HVAC services, visit our Mesa AC and heating hub.
If you're building an addition, finishing a basement, or converting a garage into a living space, running new ductwork is expensive and disruptive. Ductless mini-splits are the perfect alternative. We specialize in air conditioning installation service for homes without existing ductwork. Our team handles everything from selecting the right system (single-zone or multi-zone) to precise placement of indoor heads and outdoor condensers. We use inverter-driven heat pumps that ramp up and down to match your cooling needs, saving energy and maintaining consistent temperatures.
We also offer compressor replacement and blower motor repair for ductless systems, along with refrigerant leak detection to keep your system running efficiently. Regular AC tune-up is essential for ductless units — we'll check filters, coils, refrigerant levels, and electrical connections to catch problems early.
Ductless systems aren't just for cooling — they're also highly efficient heaters. As a licensed heating contractor, we install ductless heat pumps that provide reliable warmth during Mesa's cooler months. They work effectively down to outdoor temperatures in the teens, so you stay comfortable year-round. We also handle traditional furnace repair and heater maintenance for those with existing ducted systems. Whether you need a new furnace or a ductless heat pump, we'll help you choose the best option for your home and budget.
Our team performs thorough heater maintenance to ensure your system is safe and efficient, checking heat exchangers, ignitors, and blowers. We also offer emergency AC repair if your cooling fails unexpectedly — we're here 24/7.
Even the best systems can have issues. Our HVAC repair service covers everything from standard central AC to ductless mini-splits. Common problems we solve include refrigerant leak detection, compressor replacement, blower motor repair, and electrical malfunctions. We use diagnostic tools to pinpoint the issue quickly, so you're not left sweating in the desert heat.
We also provide AC tune-up services to prevent breakdowns and extend the life of your equipment. A tune-up includes cleaning coils, checking refrigerant pressures, testing capacitors, and verifying airflow. It's the best way to avoid a costly emergency AC repair call during a heatwave.
Homes without central ductwork are ideal for ductless. We install sleek indoor units with just a 3‑inch hole — no remodeling or tearing down walls.
Extend heating & cooling to new spaces without expensive duct extensions. Perfect for converted garages, sunrooms, or home offices.
Ductless heat pumps use inverter technology to ramp up/down, eliminating energy waste. Save 30‑40% compared to window units or baseboard heat.
Energy savings vs. traditional electric resistance or window units
Whisper-quiet operation (quieter than a library)
Single system handles summer heat & mild winters
Individual zone control — set different temperatures in each room, reduce hot spots, and never waste energy cooling unoccupied spaces.
We evaluate your space, insulation, windows, and cooling/heating needs. Determine ideal indoor unit locations and outdoor condenser placement.
Manual J load calculation ensures each indoor head has the right BTU capacity — no oversized or undersized equipment.
We securely mount indoor units (wall, floor, or ceiling cassette), drill small conduit holes, and run refrigerant lines, drain, and wiring.
Place the outdoor condenser on a level pad or wall bracket, connect line sets, and ensure proper electrical disconnects.
We perform nitrogen pressure test, evacuate the system to deep vacuum (below 500 microns) to eliminate moisture and contaminants.
Release refrigerant, test all modes (cooling, heating, fan), calibrate remote controls, and walk you through maintenance and warranty.
Swipe → to see each step. Most ductless installations are completed in one day.
Absolutely. Modern ductless heat pumps are designed for high ambient temperatures, delivering full cooling capacity even when it's 115°F outside. We size each system based on your home's heat load, ensuring reliable comfort all summer long.
Yes — ductless mini-splits use heat pump technology, providing efficient heating down to low outdoor temperatures (most operate effectively in the 20s °F). For Arizona winters, they're an excellent primary or supplemental heating solution.
You can connect up to 8 indoor units to a single outdoor condenser (depending on the model). Each head works independently, so you can cool only the bedrooms at night or the living room during the day — maximizing efficiency.
For homes without existing ductwork, ductless is often more cost-effective because you avoid the expense of installing metal ducting. Plus, zone control reduces monthly bills, making the system pay for itself over time. We provide transparent pricing with multiple options.
Very simple — clean the washable air filters every 2–4 weeks, keep outdoor unit clear of debris, and schedule a professional inspection annually. We offer maintenance plans to keep your system running at peak efficiency.
Yes, we pull all necessary mechanical and electrical permits for Mesa, Gilbert, Chandler, and surrounding cities. We schedule inspections and ensure everything meets local code — you don't have to worry about a thing.
Most single-zone installations are completed in one day. Multi-zone systems may take 1–2 days depending on the number of indoor heads and complexity of the line set routing. We work efficiently while ensuring quality.
Ready to experience zoned comfort without ductwork? Our ductless experts provide free, no-pressure estimates and premium workmanship.
Call 480-709-5684
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