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Claim This BusinessAll In One Heating And Air Conditioning holds Colorado contractor license 242509 and operates as a family-owned business serving Douglas and Elbert Counties from its base in Parker, Colorado. With 122 client reviews averaging 4.7 stars, the company has built a reputation across Castle Rock, Parker, Elizabeth, Castle Pines and surrounding communities. Their team of licensed technicians handles heating, cooling and ventilation systems around the clock, providing installation, repairs and preventative maintenance for all major equipment brands.
What distinguishes this contractor is its in-house sheet metal fabrication capability and commitment to energy-efficient construction practices. They maintain 24/7 availability without after-hours premium pricing, ensuring same rates regardless of when emergencies arise. The company offers a 10% price match against competitor quotes for replacement equipment and services additional specialized systems including walk-in coolers, commercial refrigeration and humidifiers.
Reviewers consistently name technicians Chris, Casey and Cole for their responsiveness during emergencies. One customer described how Chris arrived at noon on a holiday weekend after their furnace ignition failed during subfreezing temperatures. Another review highlights how Chris and Casey restored heat within hours when the homeowner returned from vacation to a 45-degree house, simultaneously repairing a nonfunctioning fireplace that had stumped previous contractors.
Of 122 reviews, multiple customers specifically praise same-day or holiday-weekend emergency response, with technicians Chris and Cole named across several five-star accounts. Customers frequently mention honest pricing, with one noting the original quote held even after additional issues were discovered during repairs.
Complete furnace services including new equipment installation, diagnostics and repair, plus seasonal tune-ups to maintain efficiency and extend system lifespan.
Boiler systems installation and repair services for radiators and hydronic heating applications.
Air conditioning services covering emergency repairs, new system installation, and preventative maintenance for optimal cooling performance.
Assessment and remediation services addressing air purity, filtration and humidity control within residential spaces.
Custom in-house sheet metal fabrication for ductwork installations and modifications, allowing for precise climate distribution.
Specialized services for commercial refrigeration equipment and walk-in cooler installation and maintenance.
Compliance verification and correction services ensuring existing installations meet current Colorado building codes.