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Claim This BusinessAll 4 One Heating & Cooling has served Kansas City-area homeowners for over a decade, operating 24 hours a day, seven days a week from locations in both Missouri and Kansas. The company holds a 4.9-star rating compiled from 52 verified customer reviews, reflecting consistent delivery of honest diagnostics and fair pricing. Technicians service residential properties across the Kansas City metro, including Johnson County on the Kansas side and Jackson County in Missouri, handling everything from routine maintenance to complete system replacements.
What distinguishes All 4 One from larger competitors is their commitment to transparent, itemized pricing and willingness to repair rather than automatically recommend costly replacements. The company offers financing options for major installations, making new furnace and heat pump purchases accessible to budget-conscious homeowners. Their service menu extends beyond traditional HVAC work to include plumbing repairs, tank and tankless water heater installation, and appliance repair, a breadth that lets homeowners consolidate service providers for multiple household systems.
Customers repeatedly praise technician Antoine (also referred to as Anton in reviews) for same-day emergency response during otherwise impossible situations. One homeowner recounted calling at 7 p.m. on a holiday weekend in July when a blown capacitor disabled her AC unit, she had a toddler and newborn in the house, and Antoine traveled to her area that same night at a fair price. Another reviewer noted Antoine and his crew installed two complete system replacements in rental properties, earning trust from a customer who does not easily recommend service providers. The recurring theme across reviews is honest assessment without pressure to purchase new equipment.
Twelve of fifteen sampled reviews specifically mention same-day or next-day emergency service, with several noting Antoine arrived evenings or holidays. Eleven reviewers explicitly praise fair or below-competitor pricing, while nine mention honest diagnostics without upselling pressure. Five-star ratings dominate the dataset, with the single four-star review citing scheduling delays rather than workmanship quality.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Diagnosing no-heat calls, repairing ignition components, and installing new energy-efficient furnaces with financing available.
Capacitor replacements, refrigerant recharges, and preventative tune-ups to extend cooling system lifespan.
Installation and repair of heat pump systems providing both heating and cooling for Missouri and Kansas homes.
Repair and installation of residential boiler systems for homes with hydronic heating.
Tank and tankless water heater installation, plumbing repairs, and leak detection services.
Ductless mini-split installations for additions and zoned cooling, plus package unit services.
Repair services for household appliances beyond HVAC and plumbing systems.