Boiler & HVAC Service in Littleton, CO

From century-old homes near downtown Littleton to newer builds against the foothills, Littleton runs the widest range of heating equipment in the south metro. Parker Boiler & HVAC services all of it — boiler repair, furnace service, AC repair, and legacy-system work most contractors avoid — across Littleton, Colorado.

Licensed, insured, and on call 24/7. Call 303-944-3704.

Littleton, CO climate & equipment

Littleton's mix is its story: a historic downtown with homes over a century old, postwar neighborhoods through the 1970s, and newer builds toward the foothills and Ken Caryl. Heating equipment spans the same range — boilers and gravity-system conversions downtown, mid-century furnaces in between, modern high-efficiency units in the west. Summer heat pooling against the foothills also works AC systems harder than the metro average.

Our coverage in Littleton, CO

We serve all of Littleton — downtown's historic blocks, the postwar neighborhoods, and the western communities toward Ken Caryl and Chatfield. Emergency dispatch runs 24/7; standard appointments typically come same or next day.

Littleton calls we run weekly: radiator systems with air-bound loops, 1950s furnaces worth repairing rather than replacing, and west-side AC units losing capacity to cottonwood-clogged coils.

What we handle in Littleton

Boiler repair & service

Radiators, cast-iron boilers, and hydronic systems — the work we're known for.

Furnace repair & replacement

Mid-century furnaces and modern high-efficiency units, diagnosed honestly.

AC repair & replacement

Cooling service built for foothills heat pooling and mature landscaping.

Legacy system work

Gravity conversions, zone retrofits, and controls upgrades done carefully.

Maintenance plans

Annual care that keeps old boilers safe and new equipment efficient.

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Questions we hear every week

Do you work on boilers and radiators in older Littleton homes?

Yes — boilers, radiator systems, and gravity-furnace conversions are routine work for us. We repair what's repairable and replace what isn't, without upselling.

Why does my AC struggle on the west side of Littleton?

Summer heat pooling against the foothills, long sun exposure on west-facing condensers, and mature trees clogging outdoor coils. We clean and check before blaming the equipment.

How do you approach replacement in historic homes?

We're careful with historic homes — respecting original plaster, radiator systems, and window quirks that a careless duct-and-copper crew can wreck. Zoning and right-sizing come before demolition.

Is maintenance worth it on old equipment?

Legacy equipment benefits most: annual combustion testing, gas valve checks, and cleaning. It's the difference between a boiler that lasts 50 years and one that fails at 3 a.m.

Request service

Tell us what is going on and we will get back to you fast. For emergencies, call 303-944-3704 — we answer 24/7.

Call 303-944-3704