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Sterling HVAC Services

HVAC Pros · 4660 Adams St, Boulder, CO 80304

4.9 (409 reviews) · 15 years in business
  • Licensed & Insured
  • BBB Accredited
  • License #CO-176026

Call now: (203) 258-8079

About Sterling HVAC Services

Sterling HVAC Services is an established locally-owned hvac contractor serving homeowners across Boulder, CO since 2011. Services include central AC and furnace install and repair, heat pump conversions, ductless mini-split installs, ductwork design and replacement, indoor air quality systems, and the increasingly popular spring/fall maintenance plans that keep manufacturer warranties intact. The technicians on staff carry NATE certifications and are happy to walk customers through a Manual J load calculation before quoting any system replacement, so you never end up with an oversized or undersized system.

Sterling HVAC Services serves homeowners across Boulder, CO and surrounding ZIP codes including 80301, 80302, 80303, 80304, 80305. Pricing is up-front and quoted in writing before any work begins, with no obligation if the estimate isn't right for your project.

Services offered

  • Ductless mini-split install
  • Whole-home humidifier
  • Central AC install & repair
  • Indoor air quality systems
  • Commercial RTU service

Service area

Sterling HVAC Services covers Boulder and the surrounding metro, typically responding to addresses within 25–35 miles of 80304. Same-day appointments are commonly available for non-emergency requests booked before noon, and 24/7 emergency dispatch is offered for active leaks, electrical hazards, no-heat/no-cool calls, and lockouts when applicable.

Licensing & insurance

FixNearMe verifies that Sterling HVAC Services holds an active CO contractor license (#CO-176026) and carries general liability insurance covering work at residential properties. We re-verify licensing annually and remove any pro whose status lapses or whose review pattern deteriorates.

How to request a quote

Use the free quote form on this page to send your job details directly to Sterling HVAC Services and up to two other nearby hvac pros in Boulder. You'll receive up-front written quotes — usually within an hour during business hours — so you can compare apples to apples before booking.

Recent customer reviews

★★★★★
Came out for a second opinion after another company tried to upsell us into a $9,000 job. Turned out to be a $400 fix. Fair, knowledgeable, and respectful.
— Megan L., Boulder
★★★★★
Honest pricing, showed up on time, and explained exactly what was wrong before doing anything. Quote was 25% lower than two other shops we called.
— Sarah K., Boulder
★★★★★
Best contractor experience I've had as a homeowner. They sent a real written estimate, did exactly what they quoted, and the bill matched.
— Diego R., Boulder

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