One Hour Heating & Air Conditioning® of Denver

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About One Hour Heating & Air Conditioning® of Denver
One Hour Heating & Air Conditioning of Denver has earned a 4.8-star average from 1,759 customer reviews while operating around the clock from its Westminster base. Serving Westminster, Denver, and the broader Front Range with furnace repair, AC service, heat pumps, and boiler work, the company fields trained technicians who respond to heating emergencies at any hour. From routine maintenance to system replacements, One Hour has built a steady base of residential customers who rely on consistent scheduling and straightforward diagnostics from the same crew on return visits.
The company sets itself apart with 24/7 emergency availability and a financing promotion offering 24 months of no interest and no payments on qualifying installs. Technicians like Tyler and Ivan handle full furnace replacements, completing premium unit installations in a single day rather than spreading the work across multiple appointments. Cameron and Mateo have earned particular praise for thorough duct cleaning that includes photo documentation of the before and after condition. The combination of rapid same-day scheduling and transparent pricing from staff like Mike gives homeowners confidence that unexpected breakdowns will not drag into multi-day ordeals.
Multiple reviewers specifically named technicians who arrived same-day during crises. Hazel Allison described how One Hour found her a last-minute opening to handle a heating emergency during a cold snap, noting that every point of contact from dispatch through the technician was capable and kind. A furnace replacement job brought out Tyler and Ivan, who swapped a 33-year-old unit for a top-of-the-line model in one day, with the customer calling them professional and highly skilled. Cameron and Mateo handled duct cleaning with picture confirmations and respectful attention to time and property, prompting one reviewer to recommend them without reservation.
What Customers Say
Reviews frequently mention rapid same-day response and respectful home care, with Cameron, Mateo, Tyler, and Ivan cited by name for prompt arrival and thorough work. Technicians consistently explained what repairs involved and provided documentation like photos upon completion. Negative feedback is rare and focuses on past scheduling friction rather than technical skill.
Working Hours
| 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 |
Services
Furnace Repair & Replacement
Diagnosing and fixing gas furnaces with same-day options for emergencies; full replacements including 33-year-old units completed in one day.
AC Repair & Installation
Cooling system diagnostics, repair, and new installations backed by the same 24/7 scheduling and workmanship standards as heating services.
Heat Pump Services
Installation and service for heat pump systems offering both heating and cooling from a single unit, ideal for Denver's temperature swings.
Emergency HVAC Response
Round-the-clock availability for sudden heating or cooling failures, with rapid dispatch and technicians equipped for on-site diagnostics.
Duct Cleaning
Technicians like Cameron and Mateo clean ductwork and provide photo documentation to confirm thorough completion of the job.
Boiler Service
Maintenance and repair for residential boiler systems, covering both routine tune-ups and emergency breakdown calls at any hour.