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Claim This BusinessROX Heating & Air has earned a reputation as Littleton's most reviewed HVAC contractor, holding a 4.9-star rating across 758 client reviews. The company operates around the clock, every day of the year, a reflection of their commitment to serving the community whenever heating or cooling emergencies arise. Beyond Littleton, their technicians respond to calls across Englewood, Greenwood Village, and the broader southwest Denver metro area, handling both residential and light commercial projects. This sustained community trust, built over years of consistent service, positions ROX as a go-to resource for homeowners navigating the Colorado front range's dramatic seasonal swings.
What distinguishes ROX Heating & Air from neighboring contractors is their approach to equipment recommendations and transparency with clients. Their status as a Lennox dealer gives them access to cold-climate heat pumps, a solution that performs exceptionally in Colorado's freeze-thaw winters while offering superior summer efficiency. Unlike contractors who push the most expensive systems, ROX's reviewed technicians have been praised for advising against unnecessary upgrades, when a repair suffices, customers report being told exactly that. This honest guidance, combined with their full installation capabilities including permitting and county inspections, creates a partnership model rather than a simple transaction.
The names keep appearing in five-star reviews: Andrew, Garrison, Bert, Nova, and Kelly. One homeowner recalled Andrew taking thirty minutes to explain a heating cycle without once recommending an unnecessary service, a transparency that earned a lifelong customer. Another detailed how Garrison and Bert installed a Lennox heat pump system during a late-summer replacement, patiently walking the homeowner through the new controls. These are not scriptedtestimonials; they are specific encounters that echo across reviews, suggesting a company culture where technical skill and respect for the client's intelligence are equally valued.
Every reviewer awards 5 stars, with 758 clients reflecting consistent praise for same-day emergency response and transparent diagnostics. Technicians Andrew, Garrison, and Bert are named across multiple reviews for their patience and honesty, customers repeatedly note these team members recommended repairs over replacements when feasible.
| 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 |
Full HVAC system installation including new Lennox high-efficiency furnace setup, permitting, and county inspections.
Central air replacement and cold-climate heat pump installation, with professional start-up and system orientation.
24-hour same-day repair services for heating and cooling failures, available weekends and holidays.
Comprehensive inspection and honest assessment, whether the system needs repair or replacement, customers receive transparent guidance.
Light commercial heating and cooling installations and maintenance for small businesses across the metro area.
Evaluation of home heating and cooling concerns, with practical recommendations tailored to Colorado's climate demands.